RU2005108057A - METHOD FOR PRODUCING LACTIDE - Google Patents
METHOD FOR PRODUCING LACTIDE Download PDFInfo
- Publication number
- RU2005108057A RU2005108057A RU2005108057/04A RU2005108057A RU2005108057A RU 2005108057 A RU2005108057 A RU 2005108057A RU 2005108057/04 A RU2005108057/04 A RU 2005108057/04A RU 2005108057 A RU2005108057 A RU 2005108057A RU 2005108057 A RU2005108057 A RU 2005108057A
- Authority
- RU
- Russia
- Prior art keywords
- lactide
- stream
- gaseous
- inert
- reactor
- Prior art date
Links
Landscapes
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2005108057/04A RU2301230C2 (en) | 2005-03-23 | 2005-03-23 | Method for preparing lactide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2005108057/04A RU2301230C2 (en) | 2005-03-23 | 2005-03-23 | Method for preparing lactide |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2005108057A true RU2005108057A (en) | 2006-09-10 |
RU2301230C2 RU2301230C2 (en) | 2007-06-20 |
Family
ID=37112258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2005108057/04A RU2301230C2 (en) | 2005-03-23 | 2005-03-23 | Method for preparing lactide |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2301230C2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2471791C2 (en) * | 2007-09-03 | 2013-01-10 | Уде Инвента-Фишер ГмбХ | Method of cleaning process streams during production of dilactide or polylactide |
RU2541567C2 (en) * | 2008-08-29 | 2015-02-20 | Уде Инвента-Фишер ГмбХ | Method of obtaining mixture of lactide derivatives |
RU2631110C1 (en) * | 2016-12-20 | 2017-09-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | Method for l-lactide obtaining |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105294424A (en) * | 2008-12-26 | 2016-02-03 | 东丽株式会社 | Method for producing lactic acid and method for producing polylactic acid |
CA2827595C (en) * | 2011-02-18 | 2018-08-21 | Sulzer Chemtech Ag | Method for the manufacture of a polyhydroxy-carboxylic acid |
EP2508548B1 (en) * | 2011-04-05 | 2014-10-15 | PURAC Biochem BV | Method for removal of the cyclic diester of a 2-hydroxy alkanoic acid from a vapor |
BR112014010481B1 (en) * | 2011-11-04 | 2020-11-03 | Uhde Inventa-Fischer Gmbh | process for the production of polymerizable lactic acid from fermentation broths, use of polymerizable lactic acid and process for producing polylactides from polymerizable lactic acid |
RU2531942C1 (en) * | 2013-05-22 | 2014-10-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский государственный университет" | Chamber module for glycolide and lactide synthesis reactor |
ES2775609T3 (en) * | 2014-09-17 | 2020-07-27 | Sulzer Management Ag | A procedure for stabilizing a condensed phase composition including a cyclic ester in a polyester or lactide manufacturing process |
-
2005
- 2005-03-23 RU RU2005108057/04A patent/RU2301230C2/en not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2471791C2 (en) * | 2007-09-03 | 2013-01-10 | Уде Инвента-Фишер ГмбХ | Method of cleaning process streams during production of dilactide or polylactide |
RU2541567C2 (en) * | 2008-08-29 | 2015-02-20 | Уде Инвента-Фишер ГмбХ | Method of obtaining mixture of lactide derivatives |
RU2631110C1 (en) * | 2016-12-20 | 2017-09-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | Method for l-lactide obtaining |
Also Published As
Publication number | Publication date |
---|---|
RU2301230C2 (en) | 2007-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20090324 |
|
NF4A | Reinstatement of patent |
Effective date: 20101120 |
|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20140324 |