PT89776A - Processo para a preparacao de solucoes aquosas de acido 2-hidroxi-4-metiltio-bitirico - Google Patents
Processo para a preparacao de solucoes aquosas de acido 2-hidroxi-4-metiltio-bitiricoInfo
- Publication number
- PT89776A PT89776A PT89776A PT8977689A PT89776A PT 89776 A PT89776 A PT 89776A PT 89776 A PT89776 A PT 89776A PT 8977689 A PT8977689 A PT 8977689A PT 89776 A PT89776 A PT 89776A
- Authority
- PT
- Portugal
- Prior art keywords
- hydroxy
- acid
- organic phase
- bythric
- methylthyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES8800496A ES2005784A6 (es) | 1988-02-22 | 1988-02-22 | Un procedimiento para preparar soluciones acuosas de acido 2-hidroxi-4-metil-tiobutirico. |
Publications (2)
Publication Number | Publication Date |
---|---|
PT89776A true PT89776A (pt) | 1989-10-04 |
PT89776B PT89776B (pt) | 1994-03-31 |
Family
ID=8254970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT89776A PT89776B (pt) | 1988-02-22 | 1989-02-21 | Processo para a preparacao de solucoes aquosas de acido 2-hidroxi-4-metiltio-bitirico |
Country Status (12)
Country | Link |
---|---|
US (1) | US4912257A (pt) |
EP (1) | EP0330527B1 (pt) |
AT (1) | ATE80871T1 (pt) |
CA (1) | CA1308419C (pt) |
DE (1) | DE68902934T2 (pt) |
DK (1) | DK175368B1 (pt) |
ES (2) | ES2005784A6 (pt) |
GR (1) | GR3005881T3 (pt) |
HK (1) | HK17793A (pt) |
IE (1) | IE63393B1 (pt) |
PT (1) | PT89776B (pt) |
SG (1) | SG125692G (pt) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY109603A (en) * | 1992-05-21 | 1997-03-31 | Daicel Chem | Process for producing 2-hydroxy-4-methylthiobutanoic acid |
US5498790A (en) * | 1993-06-09 | 1996-03-12 | Novus International, Inc. | Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture |
KR100389971B1 (ko) * | 1994-07-11 | 2004-05-17 | 데구사 아게 | 2-하이드록시-4-메틸티오부티르산(mha)의회수방법및mha를포함하는동물사료첨가제용혼합물 |
DE4428608C1 (de) * | 1994-08-12 | 1996-02-29 | Degussa | Verfahren zur Gewinnung von 2-Hydroxy-4-methylthiobuttersäure (MHA) |
FR2733231B1 (fr) * | 1995-04-24 | 1997-07-04 | Rhone Poulenc Nutrition Animal | Procede de condensation de l'acide cyanhydrique avec un aldehyde |
US5583243A (en) * | 1995-05-19 | 1996-12-10 | Zinpro Corporation | Salts of alpha-hydroxy aliphatic carboxylic acids and uses thereof |
DE69615183T2 (de) | 1995-06-07 | 2002-05-29 | Novus International, Inc. | Kontinuerliches hydrolyse-verfahren zur herstellung von 2-hydroxy-4-methylthiobutansäure oder salze davon |
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) |
JP3804210B2 (ja) * | 1997-03-04 | 2006-08-02 | 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 |
DE19754562A1 (de) * | 1997-12-09 | 1999-06-10 | Degussa | Verfahren zur Rückgewinnung von Schwefelsäure aus schwefelhaltigen Nebenprodukten eines Prozesses zur Herstellung 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 |
FR2780968B1 (fr) * | 1998-07-10 | 2000-08-18 | Rhone Poulenc Nutrition Animal | Procede de preparation de l'acide hydroxymethylthiobutyrique |
RU2213729C2 (ru) * | 1999-02-03 | 2003-10-10 | Сумитомо Кемикал Компани, Лимитед | Способ получения 2-гидрокси-4-метилтиобутановой кислоты |
US6342651B1 (en) | 1999-08-05 | 2002-01-29 | Novus International, Inc. | Reductive combustion of ammonium salts of sulfuric acid |
US6649794B2 (en) * | 2000-02-18 | 2003-11-18 | Sumitomo Chemical Company, Limited | Method for producing 2-Hydroxy-4-Methylthiobutanoic Acid |
MXPA06009797A (es) * | 2004-02-26 | 2007-08-14 | Tasker Products Ip Holdings Co | Composicion anti-microbiana para tratamiento pre-cosecha y post-cosecha de plantas y animales. |
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 |
DE102004041250A1 (de) * | 2004-08-26 | 2006-03-02 | Degussa Ag | Herstellung von 2-Hydroxy-4-Methylthiobuttersäure |
JP4896548B2 (ja) * | 2006-03-10 | 2012-03-14 | 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および製造装置 |
JP4948002B2 (ja) * | 2006-03-10 | 2012-06-06 | 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および製造装置 |
KR101907230B1 (ko) * | 2011-02-23 | 2018-10-11 | 에보니크 데구사 게엠베하 | 저장 안정성 2-히드록시-4-(메틸티오)부티르산 니트릴 |
MX341595B (es) | 2011-02-23 | 2016-08-26 | Evonik Degussa Gmbh | Metodo para producir 2-hidroxi-4-(metiltio)butironitrilo a partir de 3-(metiltio)propanal y cianuro de hidrogeno. |
CN103420883A (zh) * | 2013-08-28 | 2013-12-04 | 重庆紫光化工股份有限公司 | 利用粗氢氰酸气体制备2-羟基-4-甲硫基丁腈的方法 |
CN103641754B (zh) * | 2013-11-19 | 2016-08-24 | 宁夏紫光天化蛋氨酸有限责任公司 | 药用d,l-2-羟基-4-甲硫基丁酸金属螯合物的制备方法 |
CN104262216A (zh) * | 2014-10-15 | 2015-01-07 | 重庆紫光化工股份有限公司 | 一种2-羟基-4-甲硫基丁酸的制备方法 |
CN105130861A (zh) * | 2015-07-28 | 2015-12-09 | 重庆紫光国际化工有限责任公司 | 氰醇水解法合成蛋氨酸羟基类似物的分离纯化方法 |
FR3064006B1 (fr) | 2017-03-16 | 2019-03-29 | Adisseo France S.A.S. | Procede de fabrication de l'acide-2-hydroxy-4-methylthio-butyrique |
CN111116437B (zh) | 2018-11-01 | 2021-02-05 | 山东新和成氨基酸有限公司 | 制备2-羟基-4-甲硫基丁酸及其中间体的方法和装置 |
CN109232336A (zh) * | 2018-11-09 | 2019-01-18 | 禄丰天宝磷化工有限公司 | 一种清洁环保的蛋氨酸羟基类似物生产方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA694650A (en) * | 1964-09-22 | Mark Victor | Preparation of 4-(alkylthio)-2-hydroxybutyric acids | |
CA694610A (en) * | 1964-09-22 | J. Wineman Robert | Preparation of salts of 2-hydroxy-4-alkylthiobutyric acid | |
GB722024A (en) * | 1950-10-31 | 1955-01-19 | Monsanto Chemicals | Production of alpha-hydroxy-gamma-mercapto-carboxylic acids and salts thereof and compositions containing the same |
US2745745A (en) * | 1952-10-30 | 1956-05-15 | Monsanto Chemicals | Poultry feed |
US2938053A (en) * | 1955-12-29 | 1960-05-24 | Monsanto Chemicals | Amino acid analogues |
CH385823A (de) * | 1959-09-01 | 1964-12-31 | Inventa Ag | Verfahren zur Herstellung des Calciumsalzes der a-Oxy-y-methylthio-buttersäure |
BE611435A (fr) * | 1960-12-14 | 1962-06-12 | Stamicarbon | Procédé de préparation de sels métalliques d'acide alpha-hydroxy- gamma -méthylmercaptobutyrique |
GB1353832A (en) * | 1971-08-03 | 1974-05-22 | Degussa | Sulphonium compounds of alpha-hydroxy-gamma-alkyl-mercapto butyric acid |
US3773927A (en) * | 1971-12-20 | 1973-11-20 | Du Pont | Preparation of an aqueous slurry of ammonium chloride and methylmercapto-hydroxybutyric acid |
US4353924A (en) * | 1979-09-04 | 1982-10-12 | Monsanto Company | Animal feed supplement having reduced corrosion characteristics |
US4524077A (en) * | 1983-11-14 | 1985-06-18 | Monsanto Company | Liquid 2-hydroxy-4-methylthiobutyric acid and process for the preparation thereof |
EP0143100B1 (en) * | 1983-11-14 | 1987-08-05 | Monsanto Company | Process for the preparation of liquid 2-hydroxy-methylthiobutyric acid |
-
1988
- 1988-02-22 ES ES8800496A patent/ES2005784A6/es not_active Expired
-
1989
- 1989-01-19 AT AT89400157T patent/ATE80871T1/de not_active IP Right Cessation
- 1989-01-19 DE DE8989400157T patent/DE68902934T2/de not_active Expired - Fee Related
- 1989-01-19 EP EP19890400157 patent/EP0330527B1/fr not_active Expired - Lifetime
- 1989-01-19 ES ES89400157T patent/ES2045478T3/es not_active Expired - Lifetime
- 1989-02-03 CA CA000590042A patent/CA1308419C/fr not_active Expired - Lifetime
- 1989-02-13 US US07/309,241 patent/US4912257A/en not_active Expired - Lifetime
- 1989-02-21 IE IE54789A patent/IE63393B1/en not_active IP Right Cessation
- 1989-02-21 DK DK198900788A patent/DK175368B1/da not_active IP Right Cessation
- 1989-02-21 PT PT89776A patent/PT89776B/pt not_active IP Right Cessation
-
1992
- 1992-10-05 GR GR920400876T patent/GR3005881T3/el unknown
- 1992-12-09 SG SG1256/92A patent/SG125692G/en unknown
-
1993
- 1993-03-04 HK HK177/93A patent/HK17793A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2045478T3 (es) | 1994-01-16 |
SG125692G (en) | 1993-02-19 |
IE890547L (en) | 1989-08-22 |
DE68902934D1 (de) | 1992-10-29 |
EP0330527B1 (fr) | 1992-09-23 |
HK17793A (en) | 1993-03-12 |
DK78889A (da) | 1989-08-22 |
IE63393B1 (en) | 1995-04-19 |
EP0330527A1 (fr) | 1989-08-30 |
DK78889D0 (da) | 1989-02-21 |
DE68902934T2 (de) | 1993-04-08 |
ES2005784A6 (es) | 1989-03-16 |
ATE80871T1 (de) | 1992-10-15 |
US4912257A (en) | 1990-03-27 |
DK175368B1 (da) | 2004-09-13 |
PT89776B (pt) | 1994-03-31 |
CA1308419C (fr) | 1992-10-06 |
GR3005881T3 (pt) | 1993-06-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG3A | Patent granted, date of granting |
Effective date: 19930913 |
|
PC3A | Transfer or assignment |
Free format text: 940825 RHONE-POULENC NUTRITION ANIMALE FR |
|
PC3A | Transfer or assignment |
Owner name: ADISSEO IRELAND LIMITED, IE Effective date: 20041129 |
|
PD3A | Change of proprietorship |
Owner name: AVENTIS ANIMAL NUTRITION SA, FR Effective date: 20041129 Owner name: RHONE-POULENC ANINAL NUTRITION S.A., FR Effective date: 20041129 |
|
TE3A | Change of address (patent) |
Owner name: AVENTIS ANIMAL NUTRITION S. A., FR Effective date: 20041129 Owner name: RHONE-POULENC NUTRITION ANIMALE, SA., FR Effective date: 20041129 |
|
MM4A | Annulment/lapse due to non-payment of fees, searched and examined patent |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20080313 |
|
MM4A | Annulment/lapse due to non-payment of fees, searched and examined patent |
Free format text: MAXIMUM VALIDITY LIMIT REACHED Effective date: 20090221 |