BE745432A - METHOD FOR THE PREPARATION OF METHIONINE - Google Patents

METHOD FOR THE PREPARATION OF METHIONINE

Info

Publication number
BE745432A
BE745432A BE745432DA BE745432A BE 745432 A BE745432 A BE 745432A BE 745432D A BE745432D A BE 745432DA BE 745432 A BE745432 A BE 745432A
Authority
BE
Belgium
Prior art keywords
methionine
preparation
Prior art date
Application number
Other languages
French (fr)
Inventor
H Wagner
H Tanner
S-P Mannsfeld
A Pfeiffer
E A H Liebetanz
Original Assignee
Degussa
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
Priority claimed from DE19691906405 external-priority patent/DE1906405C/en
Application filed by Degussa filed Critical Degussa
Publication of BE745432A publication Critical patent/BE745432A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/72—Two oxygen atoms, e.g. hydantoin
    • C07D233/76—Two oxygen atoms, e.g. hydantoin with substituted hydrocarbon radicals attached to the third ring carbon atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE745432D 1969-02-08 1970-02-03 METHOD FOR THE PREPARATION OF METHIONINE BE745432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691906405 DE1906405C (en) 1969-02-08 Process for the preparation of Methio mn

Publications (1)

Publication Number Publication Date
BE745432A true BE745432A (en) 1970-07-16

Family

ID=5724731

Family Applications (1)

Application Number Title Priority Date Filing Date
BE745432D BE745432A (en) 1969-02-08 1970-02-03 METHOD FOR THE PREPARATION OF METHIONINE

Country Status (13)

Country Link
JP (1) JPS549174B1 (en)
AT (1) AT295489B (en)
BE (1) BE745432A (en)
CH (1) CH529118A (en)
FR (1) FR2032788A5 (en)
GB (1) GB1296347A (en)
HU (1) HU162233B (en)
IL (1) IL33840A (en)
IT (1) IT954084B (en)
NL (1) NL150435B (en)
RO (1) RO56492A (en)
SE (1) SE373842B (en)
SU (1) SU503509A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319044A (en) * 1979-01-25 1982-03-09 Sumitomo Chemical Company, Limited Process for recovering useful components from waste gas of methionine synthesis

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19846825A1 (en) † 1998-10-10 2000-04-13 Degussa Free-flowing moldings containing methionine and process for their production
JP4997729B2 (en) * 2005-08-29 2012-08-08 住友化学株式会社 Method for producing methionine
TW200811086A (en) * 2006-07-11 2008-03-01 Adisseo Ireland Ltd Process for preparing 2-hydroxy-4-(methylthio)butyronitrile and methionine
FR2903690B1 (en) * 2006-07-11 2008-11-14 Adisseo Ireland Ltd PROCESS FOR THE PREPARATION OF METHIONINE FROM ACROLEIN WITHOUT ISOLATING INTERMEDIATE PRODUCTS
JP2009292796A (en) 2008-06-09 2009-12-17 Sumitomo Chemical Co Ltd Method for producing methionine
JP2010111640A (en) 2008-11-07 2010-05-20 Sumitomo Chemical Co Ltd Method for producing methionine
JP5307512B2 (en) 2008-11-07 2013-10-02 住友化学株式会社 Method for producing methionine
FR2951195B1 (en) * 2009-10-14 2014-01-31 Roquette Freres COMPOSITION RICH IN METHIONINE FOR ANIMAL FEEDING
FR3035400B1 (en) * 2015-04-21 2017-04-07 Adisseo France Sas PROCESS FOR THE PRODUCTION OF METHIONINE
CN116535338B (en) * 2023-04-25 2023-11-03 重庆渝化新材料有限责任公司 Potassium salt recycling process in production process of D, L-methionine
CN116675631B (en) * 2023-06-07 2023-12-12 重庆渝化新材料有限责任公司 Cyclic production method of D, L-methionine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319044A (en) * 1979-01-25 1982-03-09 Sumitomo Chemical Company, Limited Process for recovering useful components from waste gas of methionine synthesis

Also Published As

Publication number Publication date
DE1906405A1 (en) 1970-12-03
GB1296347A (en) 1972-11-15
IL33840A0 (en) 1970-04-20
NL150435B (en) 1976-08-16
HU162233B (en) 1973-01-29
FR2032788A5 (en) 1970-11-27
CH529118A (en) 1972-10-15
RO56492A (en) 1975-06-15
SE373842B (en) 1975-02-17
IT954084B (en) 1973-08-30
SU503509A3 (en) 1976-02-15
IL33840A (en) 1973-08-29
JPS549174B1 (en) 1979-04-21
NL7001725A (en) 1970-08-11
AT295489B (en) 1972-01-10

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT VORMALS R

Effective date: 19900203