GB297363A - Improvements in or relating to the manufacture of light-sensitive layers - Google Patents

Improvements in or relating to the manufacture of light-sensitive layers

Info

Publication number
GB297363A
GB297363A GB26886/28A GB2688628A GB297363A GB 297363 A GB297363 A GB 297363A GB 26886/28 A GB26886/28 A GB 26886/28A GB 2688628 A GB2688628 A GB 2688628A GB 297363 A GB297363 A GB 297363A
Authority
GB
United Kingdom
Prior art keywords
relating
manufacture
light
sensitive layers
amino
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB26886/28A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kalle GmbH and Co KG
Original Assignee
Kalle GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kalle GmbH and Co KG filed Critical Kalle GmbH and Co KG
Publication of GB297363A publication Critical patent/GB297363A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • G03C1/54—Diazonium salts or diazo anhydrides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Hydrogenated Pyridines (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

297,363. Kalle & Co. Akt.-Ges. Sept. 19, 1927, [Convention date]. Diazo compounds.-A diazo compound is obtained in the usual manner from 1-(5<1>-amino-2<1>- piperidyl - benzoylamino)-8-hydroxynaphthalene- 3 : 6-disulphonic acid, which is prepared by condensing 1-amino-8-oxynaphthalene - 3 : 6 - disulphonic acid with 5-nitro-2-chlorobenzoylchloride, causing the condensation product to react with piperidine, and reducing the nitro compound in the usual manner.
GB26886/28A 1927-09-19 1928-09-19 Improvements in or relating to the manufacture of light-sensitive layers Expired GB297363A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE297363X 1927-09-19

Publications (1)

Publication Number Publication Date
GB297363A true GB297363A (en) 1929-12-05

Family

ID=6090652

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26886/28A Expired GB297363A (en) 1927-09-19 1928-09-19 Improvements in or relating to the manufacture of light-sensitive layers

Country Status (3)

Country Link
US (1) US1936957A (en)
FR (1) FR660575A (en)
GB (1) GB297363A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551570A (en) * 1946-10-24 1951-05-01 Gen Aniline & Film Corp Azo dye components of the amino naphthol series for diazotypes
US2525751A (en) * 1947-12-30 1950-10-10 L L Ridgway Co Inc Light-sensitive diazonium salt materials
GB644493A (en) * 1948-01-09 1950-10-11 Hall Harding Ltd Improvements relating to the production of diazotype photo printing materials
US3331690A (en) * 1964-06-08 1967-07-18 Ibm Development of diazotype papers without a coupler

Also Published As

Publication number Publication date
US1936957A (en) 1933-11-28
FR660575A (en) 1929-07-12

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