DE3465194D1 - Process for the preparation of liquid 2-hydroxy-methylthiobutyric acid - Google Patents

Process for the preparation of liquid 2-hydroxy-methylthiobutyric acid

Info

Publication number
DE3465194D1
DE3465194D1 DE8484870151T DE3465194T DE3465194D1 DE 3465194 D1 DE3465194 D1 DE 3465194D1 DE 8484870151 T DE8484870151 T DE 8484870151T DE 3465194 T DE3465194 T DE 3465194T DE 3465194 D1 DE3465194 D1 DE 3465194D1
Authority
DE
Germany
Prior art keywords
hydroxy
methylthiobutyric acid
acid
extract
methylthiobutyric
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
DE8484870151T
Other languages
German (de)
English (en)
Inventor
Dennis Arthur Ruest
Masaharu Takano
Lawrence Russell Wolf
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.)
Novus International Inc
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of DE3465194D1 publication Critical patent/DE3465194D1/de
Expired legal-status Critical Current

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
    • C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/26—Separation; Purification; Stabilisation; Use of additives
    • C07C319/28—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8484870151T 1983-11-14 1984-11-13 Process for the preparation of liquid 2-hydroxy-methylthiobutyric acid Expired DE3465194D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55123183A 1983-11-14 1983-11-14

Publications (1)

Publication Number Publication Date
DE3465194D1 true DE3465194D1 (en) 1987-09-10

Family

ID=24200399

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484870151T Expired DE3465194D1 (en) 1983-11-14 1984-11-13 Process for the preparation of liquid 2-hydroxy-methylthiobutyric acid

Country Status (5)

Country Link
EP (1) EP0143100B1 (cg-RX-API-DMAC7.html)
JP (1) JPS60166661A (cg-RX-API-DMAC7.html)
AT (1) ATE28747T1 (cg-RX-API-DMAC7.html)
CA (1) CA1269995A (cg-RX-API-DMAC7.html)
DE (1) DE3465194D1 (cg-RX-API-DMAC7.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2005784A6 (es) * 1988-02-22 1989-03-16 Desarrollo Tecnico Ind S A Soc Un procedimiento para preparar soluciones acuosas de acido 2-hidroxi-4-metil-tiobutirico.
MY109603A (en) * 1992-05-21 1997-03-31 Daicel Chem Process for producing 2-hydroxy-4-methylthiobutanoic acid
DE4428608C1 (de) * 1994-08-12 1996-02-29 Degussa Verfahren zur Gewinnung von 2-Hydroxy-4-methylthiobuttersäure (MHA)
PT832062E (pt) 1995-06-07 2002-03-28 Novus Int Inc Processo de hidrolise continuo para preparacao de acido 2-hidroxi-4-metiltiobutanoico ou seus sais
US5856567A (en) * 1995-06-07 1999-01-05 Novus International, Inc. Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanioc acid or salts thereof
DE19548538C2 (de) * 1995-12-23 1997-12-18 Degussa Verfahren zur Gewinnung von 2-Hydroxy-4-methylthiobuttersäure (MHA)
FR2780969B1 (fr) * 1998-07-10 2000-08-18 Rhone Poulenc Nutrition Animal Procede de separation de l'acide hydroxymethylthiobutyrique
JP4517474B2 (ja) * 2000-07-25 2010-08-04 住友化学株式会社 ２−ヒドロキシ−４−メチルチオブタン酸の製造方法
JP4517486B2 (ja) * 2000-09-25 2010-08-04 住友化学株式会社 ２−ヒドロキシ−４−メチルチオブタンニトリルの製造方法
JP4517520B2 (ja) * 2001-02-27 2010-08-04 住友化学株式会社 ２−ヒドロキシ−４−メチルチオブタン酸の製造方法
DE10316110A1 (de) * 2003-04-09 2004-10-28 Degussa Ag Verfahren zur Herstellung von 2-Hydroxy-4-methylthio-buttersäure Ammoniumsalz
JP4696496B2 (ja) 2004-08-18 2011-06-08 住友化学株式会社 ２−ヒドロキシ−４−メチルチオ酪酸の製造方法
JP2007238553A (ja) * 2006-03-10 2007-09-20 Sumitomo Chemical Co Ltd ２−ヒドロキシ−４−メチルチオブタン酸の製造方法および製造装置
EP3656760A1 (de) 2018-11-21 2020-05-27 Evonik Operations GmbH Lagerstabile form von 3-methylthiopropionaldehyd

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975192A (en) * 1959-11-09 1961-03-14 Monsanto Chemicals Methionine analogues
BE611435A (fr) * 1960-12-14 1962-06-12 Stamicarbon Procédé de préparation de sels métalliques d'acide alpha-hydroxy- gamma -méthylmercaptobutyrique

Also Published As

Publication number Publication date
CA1269995C (en) 1990-06-05
EP0143100A3 (en) 1985-06-26
ATE28747T1 (de) 1987-08-15
EP0143100A2 (en) 1985-05-29
CA1269995A (en) 1990-06-05
JPS60166661A (ja) 1985-08-29
JPH0430948B2 (cg-RX-API-DMAC7.html) 1992-05-25
EP0143100B1 (en) 1987-08-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NOVUS INTERNATIONAL, INC., ST. LOUIS, MO., US

8328 Change in the person/name/address of the agent

Free format text: SCHWABE, H., DIPL.-ING. SANDMAIR, K., DIPL.-CHEM. DR.JUR. DR.RER.NAT. MARX, L., DIPL.-PHYS. DR.RER.NAT., PAT.-ANWAELTE, 8000 MUENCHEN