BR8902310A - Processo para a preparacao de dialquil dissulfetos e polissulfetos - Google Patents

Processo para a preparacao de dialquil dissulfetos e polissulfetos

Info

Publication number
BR8902310A
BR8902310A BR898902310A BR8902310A BR8902310A BR 8902310 A BR8902310 A BR 8902310A BR 898902310 A BR898902310 A BR 898902310A BR 8902310 A BR8902310 A BR 8902310A BR 8902310 A BR8902310 A BR 8902310A
Authority
BR
Brazil
Prior art keywords
polysulphets
dissulphets
dialkyl
preparation
dialkyl dissulphets
Prior art date
Application number
BR898902310A
Other languages
English (en)
Inventor
Robert Bonner Hager
Edward John Dzierza
Bernard Buchholz
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of BR8902310A publication Critical patent/BR8902310A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
    • C07C319/16—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by addition of hydrogen sulfide or its salts to unsaturated compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BR898902310A 1988-05-18 1989-05-17 Processo para a preparacao de dialquil dissulfetos e polissulfetos BR8902310A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/195,246 US4937385A (en) 1988-05-18 1988-05-18 Process for the manufacture of dialkyl disulfides and polysulfides

Publications (1)

Publication Number Publication Date
BR8902310A true BR8902310A (pt) 1990-01-09

Family

ID=22720642

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898902310A BR8902310A (pt) 1988-05-18 1989-05-17 Processo para a preparacao de dialquil dissulfetos e polissulfetos

Country Status (11)

Country Link
US (1) US4937385A (pt)
EP (1) EP0342454B1 (pt)
JP (1) JPH0228145A (pt)
AR (1) AR244663A1 (pt)
AU (1) AU618352B2 (pt)
BR (1) BR8902310A (pt)
CA (1) CA1329219C (pt)
DE (1) DE68905519T2 (pt)
DK (1) DK239489A (pt)
IN (1) IN171866B (pt)
MX (1) MX166391B (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146000A (en) * 1991-03-25 1992-09-08 Ethyl Corporation Production of dihydrocarbyl polysulfides
EP0529388B1 (en) * 1991-08-22 1996-03-20 Elf Atochem North America, Inc. Process for selectively preparing organic trisulfides
US5242613A (en) * 1991-11-13 1993-09-07 Ethyl Corporation Process for mixed extreme pressure additives
US5250737A (en) * 1992-01-31 1993-10-05 Ethyl Corporation Process for hydrocarbyl trisulfide product
US5304683A (en) * 1992-07-02 1994-04-19 Phillips Petroleum Company Conversion of alkyl mercaptan to dialkyl sulfide and catalyst therefor
US5232623A (en) * 1992-08-17 1993-08-03 Phillips Petroleum Company Catalyst and process for producing organic polysulfide
US5464931A (en) * 1994-08-15 1995-11-07 Phillips Petroleum Company Oxidation of dimercaptans to organic disulfide polymers
US5565517A (en) * 1994-11-16 1996-10-15 Phillips Petroleum Company Synthesis of organic polysulfide polymers
US5530163A (en) * 1995-01-23 1996-06-25 Phillips Petroleum Company Process for producing organic polysulfide compounds
FR2808273B1 (fr) * 2000-04-28 2002-06-14 Atofina Procede de fabrication d'olefines sulfurees
FR2808272B1 (fr) * 2000-04-28 2002-06-14 Atofina Procede de fabrication d'olefines sulfurees
EP1428819B1 (en) * 2002-11-27 2010-01-27 Chevron Phillips Chemical Company Production of dithiodiglycol
FR2866024A1 (fr) * 2004-02-06 2005-08-12 Arkema Procede de fabrication de dodecylmercaptans.
FR2910348B1 (fr) * 2006-12-22 2012-05-18 Arkema France Agent de sulfuration de catalyseur d'hydrotraitement et son utilisation pour la presulfuration in-situ et ex-situ
FR2925520B1 (fr) 2007-12-21 2011-02-25 Total France Compositions lubrifiantes pour transmissions
US10487285B2 (en) * 2013-09-24 2019-11-26 Dic Corporation Method for producing dialkyl polysulfide, dialkyl polysulfide, extreme-pressure additive and lubricating fluid composition
KR20180005192A (ko) * 2015-05-08 2018-01-15 알케마 인코포레이티드 유기 폴리황화물 및 이의 염의 제조
IL244872B (en) 2016-04-03 2022-03-01 Treitel Chemical Eng Ltd Apparatus and method for dosing powdery or granular material
CN108409713B (zh) * 2018-03-15 2021-01-19 山东豪迈化工技术有限公司 硫化异丁烯的合成方法
US11459345B2 (en) * 2020-08-14 2022-10-04 The Goodyear Tire & Rubber Company Method for the synthesis of asymmetric polysulfides
CN114920674B (zh) * 2022-06-28 2024-08-06 山东京博石油化工有限公司 一种低成本制备有机预硫化剂的方法
WO2024158648A1 (en) 2023-01-24 2024-08-02 The Lubrizol Corporation Lubricating composition with phenolic antioxidant and low active sulfur
WO2025024623A1 (en) 2023-07-27 2025-01-30 The Lubrizol Corporation Lubricating composition with phenolic antioxidant, calcium salicylate detergent, and low active sulfur

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022351A (en) * 1957-03-07 1962-02-20 Phillips Petroleum Co Production of organic polysulfides
US3036133A (en) * 1960-07-25 1962-05-22 Pennsalt Chemicals Corp Process for the preparation of sulfur compounds
US3314999A (en) * 1963-11-15 1967-04-18 Aquitaine Petrole Process for the preparation of organic disulphides
FR2130985A5 (pt) * 1971-03-29 1972-11-10 Aquitaine Petrole
US4119550A (en) * 1975-03-21 1978-10-10 The Lubrizol Corporation Sulfurized compositions
CA1064463A (en) * 1975-03-21 1979-10-16 Kirk E. Davis Sulfurized compositions
US4102931A (en) * 1977-05-17 1978-07-25 Pennwalt Corporation Manufacture of tertiary mercaptans using zeolite catalysts
US4313006A (en) * 1980-09-03 1982-01-26 Pennwalt Corporation Process for converting dialkyl sulfides to alkyl mercaptans
US4568767A (en) * 1981-12-23 1986-02-04 Pennwalt Corporation Process for the manufacture of dialkyl sulfides
US4638093A (en) * 1983-04-11 1987-01-20 Shell Oil Company Preparation of secondary thiols
EP0202420B1 (en) * 1985-05-13 1991-01-02 ATOCHEM NORTH AMERICA, INC. (a Pennsylvania corp.) Process for the manufacture of dialkyl disulfides
DE68900007D1 (de) * 1988-04-14 1990-10-04 Elf Aquitaine Verfahren zur herstellung von organischen di- und polysulfiden.

Also Published As

Publication number Publication date
CA1329219C (en) 1994-05-03
DE68905519T2 (de) 1993-08-26
US4937385A (en) 1990-06-26
DE68905519D1 (de) 1993-04-29
AU618352B2 (en) 1991-12-19
DK239489A (da) 1989-11-19
MX166391B (es) 1993-01-06
EP0342454B1 (en) 1993-03-24
JPH0228145A (ja) 1990-01-30
AU3460689A (en) 1989-11-23
IN171866B (pt) 1993-01-30
AR244663A1 (es) 1993-11-30
DK239489D0 (da) 1989-05-17
EP0342454A1 (en) 1989-11-23

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FA2 Application deemed withdrawn (art. 19(5))
B15K Others concerning applications: alteration of classification

Ipc: C07C 319/16 (2006.01), C07C 321/14 (2006.0