BRPI0808138A2 - Processo para produzir metilmercaptano a partir de sulfetos de dialquila e polissulfetos de dialquila - Google Patents

Processo para produzir metilmercaptano a partir de sulfetos de dialquila e polissulfetos de dialquila

Info

Publication number
BRPI0808138A2
BRPI0808138A2 BRPI0808138-7A2A BRPI0808138A BRPI0808138A2 BR PI0808138 A2 BRPI0808138 A2 BR PI0808138A2 BR PI0808138 A BRPI0808138 A BR PI0808138A BR PI0808138 A2 BRPI0808138 A2 BR PI0808138A2
Authority
BR
Brazil
Prior art keywords
dialkyl
sulfets
polysulfets
methylmercaptan
producing
Prior art date
Application number
BRPI0808138-7A2A
Other languages
English (en)
Inventor
Jan-Olaf Barth
Hubert Redlingshoefer
Christoph Weckbecker
Klaus Huthmacher
Original Assignee
Evonik Degussa Gmbh
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 Evonik Degussa Gmbh filed Critical Evonik Degussa Gmbh
Publication of BRPI0808138A2 publication Critical patent/BRPI0808138A2/pt
Publication of BRPI0808138B1 publication Critical patent/BRPI0808138B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/02Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
    • C07C319/06Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols from sulfides, hydropolysulfides or polysulfides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/02Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
    • C07C319/08Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by replacement of hydroxy groups or etherified or esterified hydroxy groups

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)
BRPI0808138A 2007-02-15 2008-01-16 processo para produzir metilmercaptano a partir de sulfetos de dialquila e polissulfetos de dialquila BRPI0808138B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007007458A DE102007007458A1 (de) 2007-02-15 2007-02-15 Verfahren zur Herstellung von Methylmercaptan aus Dialkylsulfiden und Dialkylpolysulfiden
PCT/EP2008/050464 WO2008098810A2 (de) 2007-02-15 2008-01-16 Verfahren zur herstellung von alkylmercaptan aus dialkylsulfiden und dialkylpolysulfiden

Publications (2)

Publication Number Publication Date
BRPI0808138A2 true BRPI0808138A2 (pt) 2014-06-17
BRPI0808138B1 BRPI0808138B1 (pt) 2017-06-06

Family

ID=39345575

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0808138A BRPI0808138B1 (pt) 2007-02-15 2008-01-16 processo para produzir metilmercaptano a partir de sulfetos de dialquila e polissulfetos de dialquila

Country Status (11)

Country Link
US (1) US7576243B2 (pt)
EP (1) EP2118054B1 (pt)
JP (1) JP5295130B2 (pt)
CN (1) CN101646649B (pt)
BR (1) BRPI0808138B1 (pt)
DE (1) DE102007007458A1 (pt)
ES (1) ES2511816T3 (pt)
MX (1) MX2009008607A (pt)
MY (1) MY148555A (pt)
RU (1) RU2490255C2 (pt)
WO (1) WO2008098810A2 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2873380T3 (es) 2016-05-31 2021-11-03 Novus Int Inc Procedimiento para producir metil mercaptano a partir de sulfuro de dimetilo
US10273204B2 (en) 2016-08-19 2019-04-30 Chevron Phillips Chemical Company Lp Process for conversion of dimethyl sulfide to methyl mercaptan
EP3689451A1 (en) * 2019-01-29 2020-08-05 Evonik Operations GmbH Catalyst for the synthesis of alkyl mercaptan and process for its preparation
FR3101631B1 (fr) * 2019-10-04 2023-07-14 Arkema France Procede de preparation de mercaptans par sulfhydrolyse de sulfures
FR3124183B1 (fr) 2021-06-21 2024-05-17 Arkema France Procede de preparation de mercaptans avec sulfhydrolyse de dialkylsulfures purifies
FR3124184A1 (fr) 2021-06-21 2022-12-23 Arkema France Procede de preparation de mercaptans par sulfhydrolyse de dialkylsulfures avec pre-traitement de catalyseur
CN114478334B (zh) * 2022-02-25 2023-11-10 新疆广汇陆友硫化工有限公司 一种甲硫醇硫化法生产二甲基二硫的方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816146A (en) 1953-04-06 1957-12-10 Union Oil Co Preparation of organic sulfides
US2831031A (en) 1954-02-16 1958-04-15 American Oil Co Conversion of organic sulfur compounds
DE1193038C2 (de) 1963-08-16 1975-11-27 Union Rheinische Braunkohlen Kraftstoff Ag, 5047 Wesseling Verfahren zur herstellung von niedermolekularen alkylmercaptanen
DE1768826B1 (de) 1968-07-04 1971-08-26 Degussa Verfahren zur Gewinnung von niederen aliphatischen Mercaptanen
FR2253013B1 (pt) * 1973-11-30 1980-01-04 Rhone Progil
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
US4396778A (en) * 1980-09-03 1983-08-02 Pennwalt Corporation Process for converting dialkyl sulfides to alkyl mercaptans
US4313006A (en) 1980-09-03 1982-01-26 Pennwalt Corporation Process for converting dialkyl sulfides to alkyl mercaptans
JPS58159456A (ja) 1982-03-17 1983-09-21 Seitetsu Kagaku Co Ltd メチルメルカプタンの製造方法
JP2817657B2 (ja) * 1994-08-23 1998-10-30 富士ゼロックス株式会社 インク供給装置および記録装置
FR2603889B1 (fr) * 1986-09-11 1989-05-05 Elf Aquitaine Procede catalytique de production de mercaptans a partir de thioethers
JPH05246203A (ja) 1992-03-10 1993-09-24 Nissan Motor Co Ltd 自動車の車輪自動取付方法
FR2711366B1 (fr) * 1993-10-20 1995-12-15 Elf Aquitaine Synthèse du méthylmercaptan à partir du diméthyldisulfure.
US5453543A (en) * 1994-10-11 1995-09-26 Elf Atochem North America, Inc. Process for the manufacture of high purity linear C4 + alkyl mercaptans
DE19654516C1 (de) 1996-12-27 1998-10-01 Degussa Verfahren zur Auftrennung des Produktgasgemisches der katalytischen Synthese von Methylmercaptan
RU2157366C1 (ru) * 1999-03-10 2000-10-10 Наумейко Анатолий Васильевич Способ производства метилмеркаптана, способ получения катализатора для производства метилмеркаптана и способ получения сероводорода для производства метилмеркаптана

Also Published As

Publication number Publication date
JP2010518176A (ja) 2010-05-27
EP2118054A2 (de) 2009-11-18
WO2008098810A3 (de) 2009-10-15
EP2118054B1 (de) 2014-08-06
WO2008098810A2 (de) 2008-08-21
CN101646649A (zh) 2010-02-10
DE102007007458A1 (de) 2008-08-21
US20080200730A1 (en) 2008-08-21
US7576243B2 (en) 2009-08-18
MX2009008607A (es) 2009-08-21
CN101646649B (zh) 2013-05-01
RU2490255C2 (ru) 2013-08-20
ES2511816T3 (es) 2014-10-23
MY148555A (en) 2013-04-30
RU2009134225A (ru) 2011-03-20
BRPI0808138B1 (pt) 2017-06-06
JP5295130B2 (ja) 2013-09-18

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 13A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2613 DE 02-02-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.