JPS5746995A - Manufacture of 4,1',6'-trichloro-4,1',6'- trideoxygalactosucrose - Google Patents
Manufacture of 4,1',6'-trichloro-4,1',6'- trideoxygalactosucroseInfo
- Publication number
- JPS5746995A JPS5746995A JP56106170A JP10617081A JPS5746995A JP S5746995 A JPS5746995 A JP S5746995A JP 56106170 A JP56106170 A JP 56106170A JP 10617081 A JP10617081 A JP 10617081A JP S5746995 A JPS5746995 A JP S5746995A
- Authority
- JP
- Japan
- Prior art keywords
- sucrose
- trideoxygalactosucrose
- trichloro
- monoacylated
- reacting
- 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.)
- Granted
Links
- 235000019408 sucralose Nutrition 0.000 title abstract 4
- BAQAVOSOZGMPRM-UHFFFAOYSA-N sucralose Chemical compound OC1C(O)C(Cl)C(CO)OC1OC1(CCl)C(O)C(O)C(CCl)O1 BAQAVOSOZGMPRM-UHFFFAOYSA-N 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 150000003445 sucroses Chemical class 0.000 abstract 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 abstract 2
- 229930006000 Sucrose Natural products 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000005720 sucrose Substances 0.000 abstract 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 239000012320 chlorinating reagent Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H5/00—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium
- C07H5/02—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium to halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Saccharide Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8022320 | 1980-07-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5746995A true JPS5746995A (en) | 1982-03-17 |
| JPS6261597B2 JPS6261597B2 (cg-RX-API-DMAC7.html) | 1987-12-22 |
Family
ID=10514604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56106170A Granted JPS5746995A (en) | 1980-07-08 | 1981-07-07 | Manufacture of 4,1',6'-trichloro-4,1',6'- trideoxygalactosucrose |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4380476A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0043649B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5746995A (cg-RX-API-DMAC7.html) |
| AT (1) | ATE9355T1 (cg-RX-API-DMAC7.html) |
| CA (1) | CA1171852A (cg-RX-API-DMAC7.html) |
| DE (1) | DE3165986D1 (cg-RX-API-DMAC7.html) |
| DK (1) | DK155087C (cg-RX-API-DMAC7.html) |
| GR (1) | GR74583B (cg-RX-API-DMAC7.html) |
| IE (1) | IE51370B1 (cg-RX-API-DMAC7.html) |
| SU (1) | SU1431680A3 (cg-RX-API-DMAC7.html) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005526767A (ja) * | 2002-03-08 | 2005-09-08 | テート アンド ライル パブリック リミテッド カンパニー | スクラロースの純度および収率を改善するためのプロセス |
| JP2009528342A (ja) * | 2006-02-28 | 2009-08-06 | ヴイ ビー メディケア プライヴェート リミテッド | 塩化チオニルを使用する糖類を塩素化するための新規塩素化試薬及び新規方法 |
| JP2009298803A (ja) * | 2000-11-17 | 2009-12-24 | Tate & Lyle Plc | 改良されたスクラロース組成物およびその結晶化の方法 |
| JP2010511705A (ja) * | 2006-12-05 | 2010-04-15 | テート アンド ライル テクノロジー リミテッド | トリチルクロライド回収 |
| US7838642B2 (en) | 2007-03-06 | 2010-11-23 | Jk Sucralose Inc. | Process for the preparation of sucralose by the deacylation of trichlorosucrose-6-ethyl ester |
Families Citing this family (80)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3362086D1 (en) * | 1982-09-13 | 1986-03-20 | Tate & Lyle Plc | Sucrose derivatives |
| GB8316790D0 (en) * | 1983-06-21 | 1983-07-27 | Tate & Lyle Plc | Chemical process |
| GB8525871D0 (en) * | 1985-10-21 | 1985-11-27 | Tate & Lyle Plc | Chemical compound |
| GB8525953D0 (en) * | 1985-10-21 | 1985-11-27 | Mcneilab Inc | Preparation of galactopyranoside |
| GB8622345D0 (en) * | 1986-09-17 | 1986-10-22 | Tate & Lyle Plc | Sucrose derivatives |
| US4986991A (en) * | 1987-05-15 | 1991-01-22 | Wm Wrigley, Jr., Company | Chewing gum having an extended sweetness |
| US4950746A (en) * | 1988-07-18 | 1990-08-21 | Noramco, Inc. | Process for synthesizing sucrose derivatives by regioselective reaction |
| GB8818430D0 (en) * | 1988-08-03 | 1988-09-07 | Tate & Lyle Plc | Process |
| FR2635326B1 (fr) * | 1988-08-10 | 1992-05-15 | Beghin Say Sa | Procede pour la preparation de 4,1(prime),6(prime)-trichloro-4,1(prime),6(prime)-tridesoxy-galactosaccharose |
| GB8822673D0 (en) * | 1988-09-27 | 1988-11-02 | Tate & Lyle Plc | Selective acylation of sugars |
| MD31C2 (ro) * | 1988-09-16 | 1995-01-31 | Tate & Lyle Public Limited Company | Procedeu de obţinere a zaharolozei |
| GB2222827B (en) * | 1988-09-16 | 1992-08-19 | Tate & Lyle Plc | Chlorination of sugars |
| US4980463A (en) * | 1989-07-18 | 1990-12-25 | Noramco, Inc. | Sucrose-6-ester chlorination |
| US5089608A (en) * | 1990-03-23 | 1992-02-18 | Mcneil-Ppc, Inc. | Selective 6-acylation of sucrose mediated by cyclic adducts of dialkyltin oxides and diols |
| US5023329A (en) * | 1990-04-23 | 1991-06-11 | Noramco, Inc. | Sucrose-6-ester production process |
| US5136031A (en) * | 1990-07-09 | 1992-08-04 | Tate & Lyle Public Limited Company | Chlorination of sugars |
| US5298611A (en) * | 1993-03-12 | 1994-03-29 | Mcneil-Ppc, Inc. | Sucralose pentaester production |
| US5498709A (en) * | 1994-10-17 | 1996-03-12 | Mcneil-Ppc, Inc. | Production of sucralose without intermediate isolation of crystalline sucralose-6-ester |
| RU2155769C2 (ru) * | 1994-10-17 | 2000-09-10 | Макнейл - Ппс, Инк. | Получение сукралозы без промежуточного выделения кристаллического сукралоза-6-эфира |
| US6075139A (en) * | 1996-07-24 | 2000-06-13 | Iowa State University Research Foundation, Inc. | Linear and cyclic sucrose reaction products, their preparation and their use |
| KR100619874B1 (ko) * | 1997-02-13 | 2006-09-06 | 테이트 앤드 라일 퍼블릭 리미티드 컴파니 | 염소화된 슈크로즈의 크로마토그래피 정제법 |
| US5900478A (en) * | 1997-06-20 | 1999-05-04 | Iowa State University Research Foundation, Inc. | Activated mono-, di-, and polysaccharides reaction products thereof, their preparation and uses |
| AU1864899A (en) * | 1998-05-15 | 1999-12-06 | Tamara E. Kolosova | Method of preparation 4,1,6-trichloro-4,1,6-trideoxygalactosucrose |
| US7049435B2 (en) | 2002-03-08 | 2006-05-23 | Tate & Lyle Public Limited Company | Extractive methods for purifying sucralose |
| US20040170735A2 (en) * | 2002-04-05 | 2004-09-02 | Mcneil-Ppc, Inc. | Methods and compositions for altering the sweetness delivery profile of sucralose |
| US6890581B2 (en) * | 2002-04-05 | 2005-05-10 | Tate & Lyle Public Limited Company | Methods for buffer stabilized aqueous deacylation |
| CN1176094C (zh) * | 2003-05-23 | 2004-11-17 | 广东省食品工业研究所 | 一种三氯蔗糖的合成方法 |
| EA200601742A1 (ru) | 2004-03-19 | 2007-02-27 | Фармед Медикэр Прайвит Лимитед | Усовершенствованный способ производства хлорированной сахарозы |
| US20080125584A1 (en) * | 2004-12-10 | 2008-05-29 | Rakesh Ratnam | Salts Assisted Selective Extraction Of 6-Acetyl- 4,1' , 6' Trichlorogalactosucrose And 4,1', 6' Trichlorogalactosucrosse From Aqueous Reaction Mixture |
| GB2437205B (en) * | 2004-12-10 | 2010-03-17 | Pharmed Medicare Pvt Ltd | Control of ph by direct addition of carbonates and bicarbonates during concentration of organic solvent extracts of 6-acetyl-4,1',6'trichlorogalactosucrose |
| WO2006072965A2 (en) * | 2005-01-03 | 2006-07-13 | Pharmed Medicare Private Limited | Sucrose-6-ester chlorination by co-addition of chlorination reagent. |
| US7750146B2 (en) | 2005-03-18 | 2010-07-06 | Tate & Lyle Plc | Granular sucralose |
| US20060247180A1 (en) * | 2005-04-29 | 2006-11-02 | Bergey James L | Purgative composition and uses thereof |
| GB2442619B (en) * | 2005-05-04 | 2010-05-26 | Pharmed Medicare Pvt Ltd | Chlorination of sucrose acylates using triphosgene |
| US20060276639A1 (en) * | 2005-06-01 | 2006-12-07 | Healthy Brands, Llc | Conversion of sucralose-6-ester to sucralose |
| EA200800456A1 (ru) * | 2005-08-30 | 2008-10-30 | Фармед Медикэр Прайвит Лимитед | Способ производства хлорированной сахарозы на основе гидрофобной аффинной хроматографии |
| WO2007052302A2 (en) * | 2005-08-30 | 2007-05-10 | Pharmed Medicare Pvt. Ltd. | Removal of pyridine and pyridine analogs from reaction mass containing sucrose esters |
| CN101268091A (zh) * | 2005-09-22 | 2008-09-17 | 法马德医疗保险私人有限公司 | 从无水氯化反应物料制备6-o-酰基氯化蔗糖的新型方法 |
| US20070100139A1 (en) * | 2005-10-31 | 2007-05-03 | Healthy Brands, Llc | Methods for chlorinating sucrose-6-ester |
| US7741477B2 (en) * | 2006-01-10 | 2010-06-22 | Alembic Limited | Process for purification of sucralose |
| CN1814609B (zh) | 2006-03-06 | 2010-11-10 | 盐城捷康三氯蔗糖制造有限公司 | 一种提高三氯蔗糖合成收率的方法 |
| CN100418976C (zh) * | 2006-04-03 | 2008-09-17 | 广州科宏食品添加物有限公司 | 一种三氯蔗糖的制备方法 |
| CN100420697C (zh) * | 2006-08-30 | 2008-09-24 | 河北苏科瑞科技有限公司 | 一种制备蔗糖-6-有机酸酯的方法 |
| US8258291B2 (en) * | 2006-10-25 | 2012-09-04 | Mamtek International Limited | Process for the preparation of sucralose by the chlorination of sugar with triphosgene (BTC) |
| US20080103295A1 (en) * | 2006-10-25 | 2008-05-01 | David Losan Ho | Process for the preparation of sucrose-6-ester by esterification in the presence of solid superacid catalyst |
| CN100591684C (zh) * | 2006-12-27 | 2010-02-24 | 盐城捷康三氯蔗糖制造有限公司 | 三氯蔗糖结晶方法 |
| CN101260126B (zh) * | 2007-03-06 | 2010-12-22 | 盐城捷康三氯蔗糖制造有限公司 | 三氯蔗糖的结晶方法 |
| US20080300392A1 (en) * | 2007-06-04 | 2008-12-04 | Polymed Therapeutics, Inc. | Novel chlorination process for preparing sucralose |
| US20080300401A1 (en) * | 2007-06-04 | 2008-12-04 | Polymed Therapeutics, Inc. | Novel chlorination process for preparing sucralose |
| CN101177437B (zh) * | 2007-12-07 | 2010-10-27 | 浙江普洛医药科技有限公司 | 一种环保的三氯蔗糖的合成方法 |
| CN101245085B (zh) * | 2007-12-19 | 2012-02-01 | 上海同辰生物科技有限公司 | 一种三氯蔗糖的合成及纯化工艺 |
| AR070082A1 (es) | 2008-01-04 | 2010-03-10 | Tate & Lyle Technology Ltd | Metodo para la produccion de sucralosa |
| US7932380B2 (en) | 2008-03-06 | 2011-04-26 | Wanhe International (Group) Co. Ltd. | Process for the preparation of sucralose |
| JP2011517445A (ja) | 2008-03-20 | 2011-06-09 | テート アンド ライル テクノロジー リミテッド | 第三級アミド溶媒からの酸の除去 |
| US8436157B2 (en) | 2008-03-26 | 2013-05-07 | Tate & Lyle Technology Limited | Method for the production of sucralose |
| US8497367B2 (en) | 2008-04-03 | 2013-07-30 | Tate & Lyle Technology Limited | Sucralose purification process |
| AR071134A1 (es) * | 2008-04-03 | 2010-05-26 | Tate & Lyle Technology Ltd | Cristalizacion de sucralosa a partir de chorros que contienen sucralosa |
| US20090299055A1 (en) * | 2008-04-03 | 2009-12-03 | Tate & Lyle Technology Limited | Purification of Sucralose Containing Feed Streams for Sucralose Crystallization |
| US20090259036A1 (en) * | 2008-04-03 | 2009-10-15 | Tate & Lyle Technology Limited | Extraction of less polar impurities from sucralose containing aqueous feed streams |
| JP5653341B2 (ja) | 2008-04-03 | 2015-01-14 | テート アンド ライル テクノロジー リミテッド | スクラロース抽出効率に対する炭水化物濃度の影響 |
| CN101260128B (zh) * | 2008-04-11 | 2011-04-27 | 中国计量学院 | 一种三氯蔗糖五乙酸酯的合成方法 |
| GB2468936B (en) * | 2009-03-27 | 2011-09-07 | Mohamad Rami Radwan Jaber | Chlorination of sucrose-6-esters |
| GB2469157B (en) | 2009-03-30 | 2011-07-06 | John Kerr | Process for removing dimethylamine during sucralose production |
| GB2471348B (en) | 2009-06-22 | 2011-12-14 | Tate & Lyle Technology Ltd | A method for producing sucralose-6-acylate |
| GB2474310B (en) | 2009-10-12 | 2012-02-29 | Tate & Lyle Technology Ltd | Process for the production of sucrose-6-ester |
| GB2474311B (en) | 2009-10-12 | 2012-10-17 | Tate & Lyle Technology Ltd | Low temperature, single solvent process for the production of sucrose-6-ester |
| SG190083A1 (en) * | 2010-11-23 | 2013-06-28 | Lexington Pharmaceuticals Lab Llc | Low temperature chlorination of carbohydrates |
| US8884004B2 (en) | 2011-09-02 | 2014-11-11 | Divi's Laboratories, Ltd. | Process for the preparation of sucralose |
| DK2646452T3 (da) | 2011-10-14 | 2016-06-20 | Lexington Pharmaceutical Laboratories Llc | Chlorering af carbohydrater og carbohydratderivater |
| CN103113426B (zh) * | 2013-03-19 | 2015-01-21 | 新发药业有限公司 | 一锅法制备甜味剂三氯蔗糖的方法 |
| US10227367B2 (en) | 2013-12-16 | 2019-03-12 | Tate & Lyle Technology Limited | Chlorination of sucrose-6-esters |
| CN103936799B (zh) * | 2014-04-24 | 2016-04-20 | 南京工业大学 | 一种蔗糖-6-乙酸酯的合成方法 |
| US10081651B2 (en) | 2014-08-08 | 2018-09-25 | Tate & Lyle Technology Limited | Chlorination of sucrose-6-esters |
| GB2536480B (en) | 2015-03-17 | 2019-09-04 | Tate & Lyle Tech Ltd | DMF Distillation |
| GB2551591B (en) | 2016-06-23 | 2019-08-07 | Tate & Lyle Tech Ltd | Liquid-liquid extraction of DMF |
| RU2633698C1 (ru) * | 2016-12-21 | 2017-10-17 | Общество с ограниченной ответственностью "Сахар Плюс" | Способ получения сукралозы |
| CN108315372A (zh) * | 2018-01-26 | 2018-07-24 | 东南大学 | 一种酶法脱除三氯蔗糖-6-乙酯乙酰基的方法 |
| CN109897075B (zh) * | 2019-04-24 | 2023-12-05 | 盐城捷康三氯蔗糖制造有限公司 | 一种三氯蔗糖-6-乙酸酯的绿色合成方法 |
| CN114052236B (zh) * | 2020-07-29 | 2023-08-22 | 盐城捷康三氯蔗糖制造有限公司 | 高甜度、低热量的复合甜味剂晶体及其制备方法 |
| CN112384522A (zh) * | 2020-09-21 | 2021-02-19 | 安徽金禾实业股份有限公司 | 一种蔗糖-6-羧酸酯的制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4117224A (en) * | 1974-10-15 | 1978-09-26 | Tate & Lyle Limited | Preparation of sucrose 6,6'-dichloro hexa-acetate |
| GB1543167A (en) * | 1976-01-08 | 1979-03-28 | Tate & Lyle Ltd | Sweeteners |
| ATE732T1 (de) * | 1978-10-18 | 1982-03-15 | Tate & Lyle Patent Holdings Limited | Verfahren zur herstellung von 2-chlor-2-deoxy-sacchariden und einige 2-chlor-2-deoxy-saccharide. |
| JPS5522700A (en) * | 1979-08-13 | 1980-02-18 | Rikagaku Kenkyusho | Preparation of sugar ester |
| GB2065648B (en) | 1979-12-20 | 1983-08-17 | Tate & Lyle Ltd | Preparation of 4,1',6'-trichloro-4,1',6'-trideoxgalactosucrose |
-
1981
- 1981-06-09 DE DE8181302563T patent/DE3165986D1/de not_active Expired
- 1981-06-09 AT AT81302563T patent/ATE9355T1/de not_active IP Right Cessation
- 1981-06-09 EP EP81302563A patent/EP0043649B1/en not_active Expired
- 1981-06-10 CA CA000379457A patent/CA1171852A/en not_active Expired
- 1981-06-15 DK DK262281A patent/DK155087C/da active
- 1981-06-18 GR GR65273A patent/GR74583B/el unknown
- 1981-06-19 US US06/275,593 patent/US4380476A/en not_active Expired - Lifetime
- 1981-07-07 JP JP56106170A patent/JPS5746995A/ja active Granted
- 1981-07-07 IE IE1517/81A patent/IE51370B1/en not_active IP Right Cessation
- 1981-07-07 SU SU813338232A patent/SU1431680A3/ru active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009298803A (ja) * | 2000-11-17 | 2009-12-24 | Tate & Lyle Plc | 改良されたスクラロース組成物およびその結晶化の方法 |
| JP2005526767A (ja) * | 2002-03-08 | 2005-09-08 | テート アンド ライル パブリック リミテッド カンパニー | スクラロースの純度および収率を改善するためのプロセス |
| JP4916089B2 (ja) * | 2002-03-08 | 2012-04-11 | テート アンド ライル テクノロジー リミテッド | スクラロースの純度および収率を改善するためのプロセス |
| JP2009528342A (ja) * | 2006-02-28 | 2009-08-06 | ヴイ ビー メディケア プライヴェート リミテッド | 塩化チオニルを使用する糖類を塩素化するための新規塩素化試薬及び新規方法 |
| JP2010511705A (ja) * | 2006-12-05 | 2010-04-15 | テート アンド ライル テクノロジー リミテッド | トリチルクロライド回収 |
| US7838642B2 (en) | 2007-03-06 | 2010-11-23 | Jk Sucralose Inc. | Process for the preparation of sucralose by the deacylation of trichlorosucrose-6-ethyl ester |
Also Published As
| Publication number | Publication date |
|---|---|
| US4380476A (en) | 1983-04-19 |
| GR74583B (cg-RX-API-DMAC7.html) | 1984-06-29 |
| IE51370B1 (en) | 1986-12-10 |
| SU1431680A3 (ru) | 1988-10-15 |
| DE3165986D1 (en) | 1984-10-18 |
| EP0043649B1 (en) | 1984-09-12 |
| ATE9355T1 (de) | 1984-09-15 |
| DK262281A (da) | 1982-01-09 |
| DK155087B (da) | 1989-02-06 |
| IE811517L (en) | 1982-01-08 |
| EP0043649A1 (en) | 1982-01-13 |
| DK155087C (da) | 1989-06-26 |
| JPS6261597B2 (cg-RX-API-DMAC7.html) | 1987-12-22 |
| CA1171852A (en) | 1984-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3165986D1 (en) | Process for the preparation of 4, 1',6'-trichloro-4,1',6'-trideoxygalactosucrose (tgs) | |
| IL61763A (en) | Process for the preparation of 4,1',6'-trichloro-4,1',6'-trideoxygalactosucrose | |
| ZA796119B (en) | Gas separation process | |
| DE3261839D1 (en) | Prolonged-action form of bromohexine, and process for its preparation | |
| DE3260794D1 (en) | Cyclic carbonic acid derivatives, process for their preparation and their use as copolymerisation constituents for the preparation of polycarbonates | |
| GB2127806B (en) | 6-derivatives of 4,1',6'-trichloro-4,1',6'-trideoxygalactosucrose | |
| GB2045931B (en) | Sample chamber for ducted gas analyzer | |
| GB2195557B (en) | Process for gas enrichment | |
| BE883853A (fr) | Procede de preparation de verre cellulaire et verre cellulaire ainsi obtenu | |
| DE3062065D1 (en) | Process for the separation of olefines from gases containing olefines | |
| GB2085890B (en) | Process for the production of human chorionic gonadotropin | |
| YU41969B (en) | Process for the separation of fructose from glucose in a mixture comprising the same | |
| DE2964109D1 (en) | Polyamides having the transparency of glass, process for their production and their use | |
| EP0305120A3 (en) | Process for separating gas | |
| HUT38220A (en) | Herbicides containing as reagent derivatives of 1-aril-delta-above-2-1,2,4-triazolin-5-on and process for production of the reagents | |
| AU1268788A (en) | Novel organic platinum complex and process for the preparation thereof | |
| GB2073636B (en) | Calibrating tubular articles | |
| AU539620B2 (en) | Gas scrubbing process | |
| DE2861368D1 (en) | Reaction product of nickel thiobis(alkylphenolate) and thiobisphenol or thiobis(alkylphenol) and organic compositions containing the same | |
| GR80553B (en) | Novel process for the preparation of derivatives from the 17a-hydroxy 19-nor -progesterone series | |
| AU1153283A (en) | Chemical process | |
| IL65985A0 (en) | Process for the preparation of 5,6,7,7a-tetrahydro-4h-thieno(3,2-c)pyridin-2-ones | |
| HK61585A (en) | Process for the preparation of 5,6,7,7a-4h-tetrahydrothieno(3,2-c)pyridin-2-ones | |
| DE3061132D1 (en) | Gas recovery process | |
| EP0066231A3 (en) | Process for the preparation of n-monosubstituted o-alkyl methanes |