BR8207141A - Processo continuo,em fase de vapor,para preparar alquil-mercaptans de alta pureza - Google Patents
Processo continuo,em fase de vapor,para preparar alquil-mercaptans de alta purezaInfo
- Publication number
- BR8207141A BR8207141A BR8207141A BR8207141A BR8207141A BR 8207141 A BR8207141 A BR 8207141A BR 8207141 A BR8207141 A BR 8207141A BR 8207141 A BR8207141 A BR 8207141A BR 8207141 A BR8207141 A BR 8207141A
- Authority
- BR
- Brazil
- Prior art keywords
- mercaptans
- high purity
- prepare high
- continuous steam
- steam process
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
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)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/331,486 US4396778A (en) | 1980-09-03 | 1981-12-17 | Process for converting dialkyl sulfides to alkyl mercaptans |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8207141A true BR8207141A (pt) | 1983-10-11 |
Family
ID=23294170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8207141A BR8207141A (pt) | 1981-12-17 | 1982-12-09 | Processo continuo,em fase de vapor,para preparar alquil-mercaptans de alta pureza |
Country Status (8)
Country | Link |
---|---|
US (1) | US4396778A (pt) |
EP (1) | EP0082500B1 (pt) |
JP (1) | JPS58146556A (pt) |
BR (1) | BR8207141A (pt) |
CA (1) | CA1184201A (pt) |
DE (1) | DE3263792D1 (pt) |
MX (1) | MX166830B (pt) |
ZA (1) | ZA828409B (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5026915A (en) * | 1985-05-13 | 1991-06-25 | Atochem North America, Inc. | Process for the manufacture of dialkyl disulfides |
FR2627184B1 (fr) * | 1988-02-17 | 1990-07-13 | Elf Aquitaine | Procede de preparation de dithiols |
US5453543A (en) * | 1994-10-11 | 1995-09-26 | Elf Atochem North America, Inc. | Process for the manufacture of high purity linear C4 + alkyl mercaptans |
JP4959063B2 (ja) * | 2001-03-09 | 2012-06-20 | 和光純薬工業株式会社 | チオール化合物を含んでなる反応試薬 |
FR2844726B1 (fr) * | 2002-09-25 | 2004-12-03 | Atofina | Procede catalytique de fabricaton de mercaptans a partir de thioethers |
RU2394023C2 (ru) * | 2003-10-10 | 2010-07-10 | Эвоник Дегусса Гмбх | Способ получения метилмеркаптана |
DE102007007458A1 (de) * | 2007-02-15 | 2008-08-21 | Evonik Degussa Gmbh | Verfahren zur Herstellung von Methylmercaptan aus Dialkylsulfiden und Dialkylpolysulfiden |
US10577314B2 (en) | 2016-05-31 | 2020-03-03 | Novus International, Inc. | Process for producing methyl mercaptan from dimethyl sulfide |
US10273204B2 (en) | 2016-08-19 | 2019-04-30 | Chevron Phillips Chemical Company Lp | Process for conversion of dimethyl sulfide to methyl mercaptan |
FR3124184B1 (fr) | 2021-06-21 | 2024-08-02 | Arkema France | Procede de preparation de mercaptans par sulfhydrolyse de dialkylsulfures avec pre-traitement de catalyseur |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2816146A (en) * | 1953-04-06 | 1957-12-10 | Union Oil Co | Preparation of organic sulfides |
US2910506A (en) * | 1956-11-28 | 1959-10-27 | Pure Oil Co | Process of preparing low molecular weight alkyl monosulfides |
US4005149A (en) * | 1975-05-01 | 1977-01-25 | Phillips Petroleum Company | Mercaptans by hydrogen sulfide-cleavage of organic sulfides in presence of carbon disulfide |
JPS5246203A (en) * | 1975-10-11 | 1977-04-12 | Hitachi Ltd | Method of controlling feed-water pumps for power genration plant |
US4059636A (en) * | 1976-05-04 | 1977-11-22 | Phillips Petroleum Company | Mercaptans by catalytic cleavage of organic sulfides |
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 |
-
1981
- 1981-12-17 US US06/331,486 patent/US4396778A/en not_active Expired - Lifetime
-
1982
- 1982-11-16 ZA ZA828409A patent/ZA828409B/xx unknown
- 1982-12-02 CA CA000416856A patent/CA1184201A/en not_active Expired
- 1982-12-09 BR BR8207141A patent/BR8207141A/pt not_active IP Right Cessation
- 1982-12-13 JP JP57217115A patent/JPS58146556A/ja active Granted
- 1982-12-16 MX MX195689A patent/MX166830B/es unknown
- 1982-12-17 EP EP82111735A patent/EP0082500B1/en not_active Expired
- 1982-12-17 DE DE8282111735T patent/DE3263792D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1184201A (en) | 1985-03-19 |
JPH0320387B2 (pt) | 1991-03-19 |
EP0082500A1 (en) | 1983-06-29 |
ZA828409B (en) | 1983-09-28 |
DE3263792D1 (en) | 1985-06-27 |
US4396778A (en) | 1983-08-02 |
MX166830B (es) | 1993-02-08 |
EP0082500B1 (en) | 1985-05-22 |
JPS58146556A (ja) | 1983-09-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) | ||
B15K | Others concerning applications: alteration of classification |
Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. AS CLASSIFICACOES IPC ANTERIORES ERAM: C07C 149/06; B01J 29/28; C07C 313/00; C07C 321/02; C07C 321/04; C07C 321/06; C07C 321/22; C07C 321/00. Ipc: C07C 321/00 (2006.01) Ipc: C07C 321/00 (2006.01) |