BG160Y1 - Biologically active substance - Google Patents
Biologically active substance Download PDFInfo
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- BG160Y1 BG160Y1 BG97195U BG9719592U BG160Y1 BG 160 Y1 BG160 Y1 BG 160Y1 BG 97195 U BG97195 U BG 97195U BG 9719592 U BG9719592 U BG 9719592U BG 160 Y1 BG160 Y1 BG 160Y1
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- Prior art keywords
- water
- extract
- oil
- easter
- biologically active
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- 229940088623 biologically active substance Drugs 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 9
- 229940075529 glyceryl stearate Drugs 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 9
- 235000019198 oils Nutrition 0.000 claims description 9
- 230000000475 sunscreen effect Effects 0.000 claims description 9
- 239000000516 sunscreening agent Substances 0.000 claims description 8
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 claims description 6
- 235000019486 Sunflower oil Nutrition 0.000 claims description 6
- 229940057995 liquid paraffin Drugs 0.000 claims description 6
- 239000002600 sunflower oil Substances 0.000 claims description 6
- 239000008267 milk Substances 0.000 claims description 5
- 210000004080 milk Anatomy 0.000 claims description 5
- 235000013336 milk Nutrition 0.000 claims description 5
- 230000037072 sun protection Effects 0.000 claims description 4
- 235000019489 Almond oil Nutrition 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims description 3
- 239000008168 almond oil Substances 0.000 claims description 3
- 229940008099 dimethicone Drugs 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 239000000284 extract Substances 0.000 abstract description 19
- 239000002537 cosmetic Substances 0.000 abstract description 10
- 240000005592 Veronica officinalis Species 0.000 abstract description 3
- 239000013543 active substance Substances 0.000 abstract description 3
- 239000000419 plant extract Substances 0.000 abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 235000005545 Veronica americana Nutrition 0.000 abstract 1
- 239000008271 cosmetic emulsion Substances 0.000 abstract 1
- 239000010908 plant waste Substances 0.000 abstract 1
- 239000002689 soil Substances 0.000 abstract 1
- 239000003755 preservative agent Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000006071 cream Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 2
- 229930003268 Vitamin C Natural products 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 235000019154 vitamin C Nutrition 0.000 description 2
- 239000011718 vitamin C Substances 0.000 description 2
- 240000000073 Achillea millefolium Species 0.000 description 1
- 235000007754 Achillea millefolium Nutrition 0.000 description 1
- 241001116389 Aloe Species 0.000 description 1
- JMGZEFIQIZZSBH-UHFFFAOYSA-N Bioquercetin Natural products CC1OC(OCC(O)C2OC(OC3=C(Oc4cc(O)cc(O)c4C3=O)c5ccc(O)c(O)c5)C(O)C2O)C(O)C(O)C1O JMGZEFIQIZZSBH-UHFFFAOYSA-N 0.000 description 1
- LVDKZNITIUWNER-UHFFFAOYSA-N Bronopol Chemical compound OCC(Br)(CO)[N+]([O-])=O LVDKZNITIUWNER-UHFFFAOYSA-N 0.000 description 1
- 235000007866 Chamaemelum nobile Nutrition 0.000 description 1
- 241000207199 Citrus Species 0.000 description 1
- 240000007154 Coffea arabica Species 0.000 description 1
- 241000721662 Juniperus Species 0.000 description 1
- 244000042664 Matricaria chamomilla Species 0.000 description 1
- 235000007232 Matricaria chamomilla Nutrition 0.000 description 1
- 244000025272 Persea americana Species 0.000 description 1
- 235000008673 Persea americana Nutrition 0.000 description 1
- 244000058477 Sambucus melanocarpa Species 0.000 description 1
- 235000007052 Sambucus melanocarpa Nutrition 0.000 description 1
- 244000000231 Sesamum indicum Species 0.000 description 1
- 235000003434 Sesamum indicum Nutrition 0.000 description 1
- 235000010465 Veronica officinalis Nutrition 0.000 description 1
- 238000011481 absorbance measurement Methods 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- OENHQHLEOONYIE-UKMVMLAPSA-N all-trans beta-carotene Natural products CC=1CCCC(C)(C)C=1/C=C/C(/C)=C/C=C/C(/C)=C/C=C/C=C(C)C=CC=C(C)C=CC1=C(C)CCCC1(C)C OENHQHLEOONYIE-UKMVMLAPSA-N 0.000 description 1
- 235000011399 aloe vera Nutrition 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229940076810 beta sitosterol Drugs 0.000 description 1
- LGJMUZUPVCAVPU-UHFFFAOYSA-N beta-Sitostanol Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(C)CCC(CC)C(C)C)C1(C)CC2 LGJMUZUPVCAVPU-UHFFFAOYSA-N 0.000 description 1
- 235000013734 beta-carotene Nutrition 0.000 description 1
- TUPZEYHYWIEDIH-WAIFQNFQSA-N beta-carotene Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CCCC1(C)C)C=CC=C(/C)C=CC2=CCCCC2(C)C TUPZEYHYWIEDIH-WAIFQNFQSA-N 0.000 description 1
- 239000011648 beta-carotene Substances 0.000 description 1
- NJKOMDUNNDKEAI-UHFFFAOYSA-N beta-sitosterol Natural products CCC(CCC(C)C1CCC2(C)C3CC=C4CC(O)CCC4C3CCC12C)C(C)C NJKOMDUNNDKEAI-UHFFFAOYSA-N 0.000 description 1
- 229960002747 betacarotene Drugs 0.000 description 1
- 235000011022 black elderberry Nutrition 0.000 description 1
- 229960003168 bronopol Drugs 0.000 description 1
- 235000020971 citrus fruits Nutrition 0.000 description 1
- 235000016213 coffee Nutrition 0.000 description 1
- 235000013353 coffee beverage Nutrition 0.000 description 1
- 239000003241 dermatological agent Substances 0.000 description 1
- 229940000033 dermatological agent Drugs 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- IVTMALDHFAHOGL-UHFFFAOYSA-N eriodictyol 7-O-rutinoside Natural products OC1C(O)C(O)C(C)OC1OCC1C(O)C(O)C(O)C(OC=2C=C3C(C(C(O)=C(O3)C=3C=C(O)C(O)=CC=3)=O)=C(O)C=2)O1 IVTMALDHFAHOGL-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 235000009048 phenolic acids Nutrition 0.000 description 1
- 150000007965 phenolic acids Chemical class 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- FDRQPMVGJOQVTL-UHFFFAOYSA-N quercetin rutinoside Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC=2C(C3=C(O)C=C(O)C=C3OC=2C=2C=C(O)C(O)=CC=2)=O)O1 FDRQPMVGJOQVTL-UHFFFAOYSA-N 0.000 description 1
- 239000012261 resinous substance Substances 0.000 description 1
- 235000005493 rutin Nutrition 0.000 description 1
- IKGXIBQEEMLURG-BKUODXTLSA-N rutin Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](C)O[C@@H]1OC[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](OC=2C(C3=C(O)C=C(O)C=C3OC=2C=2C=C(O)C(O)=CC=2)=O)O1 IKGXIBQEEMLURG-BKUODXTLSA-N 0.000 description 1
- ALABRVAAKCSLSC-UHFFFAOYSA-N rutin Natural products CC1OC(OCC2OC(O)C(O)C(O)C2O)C(O)C(O)C1OC3=C(Oc4cc(O)cc(O)c4C3=O)c5ccc(O)c(O)c5 ALABRVAAKCSLSC-UHFFFAOYSA-N 0.000 description 1
- 229960004555 rutoside Drugs 0.000 description 1
- KZJWDPNRJALLNS-VJSFXXLFSA-N sitosterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CC[C@@H](CC)C(C)C)[C@@]1(C)CC2 KZJWDPNRJALLNS-VJSFXXLFSA-N 0.000 description 1
- 229950005143 sitosterol Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- OENHQHLEOONYIE-JLTXGRSLSA-N β-Carotene Chemical compound CC=1CCCC(C)(C)C=1\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C OENHQHLEOONYIE-JLTXGRSLSA-N 0.000 description 1
Landscapes
- Cosmetics (AREA)
Abstract
Description
Полезният модел се отнася до биологично активно средство, което може да намери приложение в козметиката и дерматологията.The utility model refers to a biologically active agent that can be used in cosmetics and dermatology.
Предшестващо състояние на техникатаBACKGROUND OF THE INVENTION
Известни са слънцепредпазни козметични продукти на основата на специално синтезирани за целта вещества-широкоспектърни филтри с абсорбираща способност в УВ-В и/ или УВ-А областта. Това изискване е лесно осъществимо при синтетичните препарати, но натуралните слънцепредпазни средства като широкоспектърни филтри са рядкост. Натуралните слънцепредпазни средства имат по-слаба абсорбираща способност в сравнение със синтетичните, но вниманието е насочено към тях, като предпочитан компонент в козметиката, тъй като наред с тяхното слънцепредпазно действие, някои имат и противовъзпалително действие, други-омекотяващо, антисептично, епителизиращо, хидратиращо и т.н.There are known sunscreen cosmetic products based on specially synthesized substances, broad-spectrum absorbent filters in the UV-B and / or UV-A range. This requirement is easily achievable with synthetic preparations, but natural sunscreens such as wide-spectrum filters are rare. Natural sunscreens have a lower absorbency than synthetic ones, but attention is focused on them as a preferred component in cosmetics, because along with their sunscreen, some have anti-inflammatory action, others-softening, antiseptic, epithelial, moisturizing, etc.
Познати са натурални продукти със слънцепредпазно действие, които се използват в козметиката, като растителни масла-сусамово, кафеено, авокадо и др., някои етерични масла-от лайка, цитрусови, от бял равнец и други като растителни екстракти.There are known natural sun protection products used in cosmetics, such as vegetable oils - sesame, coffee, avocado, etc., some essential oils - chamomile, citrus, white yarrow and others as plant extracts.
Известни са растителни екстракти, които са широкоспектърни филтри, поглъщащи в УВВ и УВ-А областта. Такива са алое, трицветна теменуга, цветове от черен бъз.Plant extracts are known, which are broad-spectrum filters absorbing in the UV and UV-A regions. These are aloe, tri-colored violet, black elderberry.
Техническа същност на полезния моделThe technical nature of the utility model
Биологично активно средство в козметични продукти със слънцепредпазно действие, което е екстракт от великденче /Veronica officinalis, сем.Живеничеви/ и съдържа в %: маслен екстракт от великденче от 0,5 до 5 и хидрогликолов екстракт от великденче от 3 до 15, като слънцепредпазният крем допълнително съдържа глицерил стеарат и цитеарат от 7 до 10, изопропил миристат от 2 до 5, слънчогледово масло от 2 до 5, бадемово масло 0,5-3, течен парафин от 4 до 10, хументанти от 3 до 8, ПК от 0,2 до 0,7, консерванти q.s. и вода до 100, а слънцепредпазното тоалетно мляко допълнително съдържа глицерил стеарат 1,5-3, ПЕГ-30 глицерил стеарат 0,5-2, изопропил миристат 2-5, течен парафин от 5 до 10, слънчогледово масло 2-5, фенил диметикон 0,3-2, хументанти от 2 до 8, ПК 0,2-0,7, консерванти q.s. и вода до 100.Biologically active agent in cosmetic products with sunscreen effect, which is Easter extract (Veronica officinalis, family. Juniperus) and contains in%: Easter oil extract from 0.5 to 5 and hydroglycol Easter extract from 3 to 15, such as sunscreen cream additionally contains glyceryl stearate and cytearate from 7 to 10, isopropyl myristate from 2 to 5, sunflower oil from 2 to 5, almond oil 0,5-3, liquid paraffin from 4 to 10, humantants from 3 to 8, PK from 0 , 2 to 0.7, qs preservatives and water to 100, and the sun protection toilet milk further contains glyceryl stearate 1.5-3, PEG-30 glyceryl stearate 0.5-2, isopropyl myristate 2-5, liquid paraffin 5 to 10, sunflower oil 2-5, phenyl dimethicone 0.3-2, hummentants 2 to 8, PC 0.2-0.7, preservatives qs and water to 100.
Екстрактът се получава, като надземната част от великденчето се екстрахира с вода, алкохол, водно-алкохолен разтвор, гликол или смес от гликол и вода, растителният отпадък се отстранява, екстрактът се обезцветява с деколоранти, стабилизира се с консерванти и се влага в течни или кремообразни козметични емулсии-вода/масло, масло/вода, със или без добавка на 2-хидрокси-4-метокси бензофенон.The extract is obtained by extracting the aboveground part of the Easter cake with water, alcohol, water-alcohol solution, glycol or a mixture of glycol and water, the vegetable waste is removed, the extract is decolorized, stabilized with preservatives and moistened with liquid or creamy cosmetic emulsions-water / oil, oil / water, with or without the addition of 2-hydroxy-4-methoxy benzophenone.
Екстрактът е с високо съдържание на БАВ: бета-каротен, бетаситостерол, рутин, витамин С. Витамин С е естествен антиоксидант, който повишава стабилността на екстракта и козметичните препарати. Дъбилните вещества оказват адстрингенно действие върху кожата, фенолните киселини са с антисептично действие, а смолистите вещества образуват естествен защитен филм на кожната повърхност. Измерванията на УВ абсорбцията на екстракта показват, че техните максимуми лежат в областите- С-200 до 280 mm,B-280 до 320 mm и А-320 до 380 mm, т.е. той покрива достатъчно широк абсорбционен интервал и е подходящо широкоспектърно слънцепредпазно средство.The extract has a high content of BAV: beta-carotene, betasitosterol, rutin, vitamin C. Vitamin C is a natural antioxidant that increases the stability of the extract and cosmetics. Tannins have an astringent effect on the skin, phenolic acids have an antiseptic effect, and resinous substances form a natural protective film on the skin surface. The UV absorbance measurements of the extract show that their maximums lie in the range of C-200 to 280 mm, B-280 to 320 mm and A-320 to 380 mm, i. it covers a wide enough absorption interval and is a suitable broad-spectrum sunscreen.
Примери за изпълнение на полезния моделExamples of implementation of the utility model
Полезният модел се пояснява със следните примери.The utility model is illustrated by the following examples.
Пример 1. Получаване на екстракт от великденче. 1 kg суха дрога се накисва в екстрагента (смес от Н2О и монопропиленгликол кол =1:1 об.) при температура 40°С до 80°С за 15 до 35 h, в съотношение 1:10 до 1:12. След екстракцията растителните части се отстраняват чрез филтриране. Екстрактът се обезцветява с активен въглен или бентонит, добавя се консервант (бронопол или нипагин) и се съхранява на хладно при стайна температура.Example 1. Preparation of Easter cake. 1 kg of dry drug was soaked in the extractant (mixture of H 2 O and monopropylene glycol qty = 1: 1 vol) at 40 ° C to 80 ° C for 15 to 35 h, in a ratio of 1:10 to 1:12. After extraction, the plant parts are removed by filtration. The extract was decolorized with activated carbon or bentonite, added a preservative (bronopol or nipagin) and stored cool at room temperature.
Физико-химичните показатели на екстракта са: течност без мирис, рефракционно число при 20°С от 1,385 до 1,395, относително тегло при 20°С-1,030 до 1,051, % сухо вещество при 110°С-1,5-4%, разтворимост във вода-пълна, в 60% пълна, pH 5-7, тежки метали-As, Pb, Bi, Hg не съдържа.The physicochemical properties of the extract are: odorless liquid, refractive index at 20 ° C from 1,385 to 1,395, relative weight at 20 ° C-1,030 to 1,051,% solids at 110 ° C-1,5-4%, solubility in water-complete, in 60% complete, pH 5-7, heavy metals-As, Pb, Bi, Hg does not contain.
Пример 2. Козметични продукти с екстракт от великденчеExample 2. Cosmetic products with Easter extract
2.1. Слънцепредпазен крем от типа М/В със състав:2.1. M / B type sunblock with composition:
Консерванти - q.s.Preservatives - q.s.
Технологията на приготвяне на кремовете и млеката е следната.The technology of making creams and milk is as follows.
Компонентите от маслената фаза се смесват и загряват до температура от 70°С до 80°С и към нея се прибавя водната фаза, при непрекъснато бъркане до пълно емулгиране, емулсията се охлажда до 40°С, след което се добавят хидрогликоловият екстракт от великденче, парфюмната композиция и консервантите.The components of the oil phase are mixed and heated to a temperature of 70 ° C to 80 ° C and the aqueous phase is added thereto, with continuous stirring until complete emulsification, the emulsion is cooled to 40 ° C, after which the hydroglycol Easter cake is added, perfume composition and preservatives.
Кремовете и млеката имат омекотяващо и слънцепредпазно действие, което ги определя като надеждно, козметично и дерматологично средство. Действието на екстракта е подчертано благоприятно, особено при високи концентрации на екстракта.Creams and milk have a soothing and sunbathing effect, which defines them as a reliable, cosmetic and dermatological agent. The effect of the extract is particularly favorable, especially at high concentrations of the extract.
Патентни претенцииClaims
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BG97195U BG160Y1 (en) | 1992-12-18 | 1992-12-18 | Biologically active substance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BG97195U BG160Y1 (en) | 1992-12-18 | 1992-12-18 | Biologically active substance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BG97195U BG97195U (en) | 1994-10-31 |
| BG160Y1 true BG160Y1 (en) | 1997-09-30 |
Family
ID=3924812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG97195U BG160Y1 (en) | 1992-12-18 | 1992-12-18 | Biologically active substance |
Country Status (1)
| Country | Link |
|---|---|
| BG (1) | BG160Y1 (en) |
-
1992
- 1992-12-18 BG BG97195U patent/BG160Y1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BG97195U (en) | 1994-10-31 |
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