SG11202001688WA - Improved resorbable polymer purification process - Google Patents
Improved resorbable polymer purification processInfo
- Publication number
- SG11202001688WA SG11202001688WA SG11202001688WA SG11202001688WA SG11202001688WA SG 11202001688W A SG11202001688W A SG 11202001688WA SG 11202001688W A SG11202001688W A SG 11202001688WA SG 11202001688W A SG11202001688W A SG 11202001688WA SG 11202001688W A SG11202001688W A SG 11202001688WA
- Authority
- SG
- Singapore
- Prior art keywords
- purification process
- resorbable polymer
- polymer purification
- improved
- improved resorbable
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/88—Post-polymerisation treatment
- C08G63/90—Purification; Drying
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Biological Depolymerization Polymers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762552973P | 2017-08-31 | 2017-08-31 | |
| PCT/US2018/049140 WO2019046748A1 (en) | 2017-08-31 | 2018-08-31 | Improved resorbable polymer purification process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202001688WA true SG11202001688WA (en) | 2020-03-30 |
Family
ID=63684504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202001688WA SG11202001688WA (en) | 2017-08-31 | 2018-08-31 | Improved resorbable polymer purification process |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11261293B2 (en) |
| EP (1) | EP3675921A1 (en) |
| JP (1) | JP7374081B2 (en) |
| KR (1) | KR20200044085A (en) |
| CN (1) | CN111032097A (en) |
| CA (1) | CA3073842A1 (en) |
| IL (1) | IL272809A (en) |
| SG (1) | SG11202001688WA (en) |
| WO (1) | WO2019046748A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117813338A (en) * | 2021-09-03 | 2024-04-02 | 南京再明医药有限公司 | Method for purifying amphiphilic block copolymer |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273920A (en) | 1979-09-12 | 1981-06-16 | Eli Lilly And Company | Polymerization process and product |
| CA1236641A (en) | 1984-07-06 | 1988-05-10 | Motoaki Tanaka | Copolymer of lactic acid and glycolic acid and method for producing same |
| DE3641692A1 (en) | 1986-12-06 | 1988-06-09 | Boehringer Ingelheim Kg | CATALYST-FREE RESORBABLE HOMOPOLYMERS AND COPOLYMERS |
| DE3708916A1 (en) * | 1987-03-19 | 1988-09-29 | Boehringer Ingelheim Kg | METHOD FOR CLEANING RESORBABLE POLYESTERS |
| US6353030B1 (en) | 1990-08-01 | 2002-03-05 | Novartis Ag | Relating to organic compounds |
| MY108621A (en) * | 1990-08-01 | 1996-10-31 | Novartis Ag | Polylactide preparation and purification |
| US6221958B1 (en) | 1993-01-06 | 2001-04-24 | Societe De Conseils De Recherches Et D'applications Scientifiques, Sas | Ionic molecular conjugates of biodegradable polyesters and bioactive polypeptides |
| CN1071346C (en) * | 1994-10-07 | 2001-09-19 | 巴斯福股份公司 | Polyether, Polyester and polyether ester purification process |
| JPH10168175A (en) * | 1996-12-10 | 1998-06-23 | Mitsui Chem Inc | Purification of aliphatic polyester |
| CN1053675C (en) * | 1997-09-03 | 2000-06-21 | 北京燕山石油化工公司研究院 | Removal of catalyst from polymer by atom transferred free radical polymerization |
| JP4393670B2 (en) * | 2000-05-12 | 2010-01-06 | 株式会社カネカ | Method for purifying vinyl polymer |
| WO2002012369A1 (en) | 2000-08-07 | 2002-02-14 | Wako Pure Chemical Industries, Ltd. | Lactic acid polymer and process for producing the same |
| CA2653295C (en) * | 2006-06-28 | 2014-03-11 | Gunze Limited | Bio-degradable/absorbable polymer having reduced metal catalyst content, and process for production thereof |
| JP2009256668A (en) * | 2008-03-28 | 2009-11-05 | Jms Co Ltd | Method for purifying polymer and method for producing polymer using the method |
-
2018
- 2018-08-31 WO PCT/US2018/049140 patent/WO2019046748A1/en unknown
- 2018-08-31 CN CN201880056110.6A patent/CN111032097A/en active Pending
- 2018-08-31 SG SG11202001688WA patent/SG11202001688WA/en unknown
- 2018-08-31 EP EP18778671.0A patent/EP3675921A1/en active Pending
- 2018-08-31 US US16/643,375 patent/US11261293B2/en active Active
- 2018-08-31 JP JP2020512551A patent/JP7374081B2/en active Active
- 2018-08-31 KR KR1020207008756A patent/KR20200044085A/en not_active Application Discontinuation
- 2018-08-31 CA CA3073842A patent/CA3073842A1/en active Pending
-
2020
- 2020-02-20 IL IL272809A patent/IL272809A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP3675921A1 (en) | 2020-07-08 |
| CN111032097A (en) | 2020-04-17 |
| KR20200044085A (en) | 2020-04-28 |
| JP2020532621A (en) | 2020-11-12 |
| WO2019046748A1 (en) | 2019-03-07 |
| JP7374081B2 (en) | 2023-11-06 |
| CA3073842A1 (en) | 2019-03-07 |
| US11261293B2 (en) | 2022-03-01 |
| IL272809A (en) | 2020-04-30 |
| US20200190258A1 (en) | 2020-06-18 |
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