ITRM910553A0 - Polilattide purificato e relativo metodo di produzione - Google Patents
Polilattide purificato e relativo metodo di produzioneInfo
- Publication number
- ITRM910553A0 ITRM910553A0 IT91RM553A ITRM910553A ITRM910553A0 IT RM910553 A0 ITRM910553 A0 IT RM910553A0 IT 91RM553 A IT91RM553 A IT 91RM553A IT RM910553 A ITRM910553 A IT RM910553A IT RM910553 A0 ITRM910553 A0 IT RM910553A0
- Authority
- IT
- Italy
- Prior art keywords
- production method
- purified polylactide
- polylactide
- purified
- production
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 229920000747 poly(lactic acid) Polymers 0.000 title 1
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
- C08G63/88—Post-polymerisation treatment
- C08G63/90—Purification; Drying
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
- A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909016840A GB9016840D0 (en) | 1990-08-01 | 1990-08-01 | Improvements in or relating to organic compounds |
GB909016882A GB9016882D0 (en) | 1990-08-01 | 1990-08-01 | Improvements in or relating to organic compounds |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM910553A0 true ITRM910553A0 (it) | 1991-07-23 |
ITRM910553A1 ITRM910553A1 (it) | 1993-01-23 |
IT1252944B IT1252944B (it) | 1995-07-05 |
Family
ID=26297417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM910553A IT1252944B (it) | 1990-08-01 | 1991-07-23 | Polilattide purificato e relativo metodo di produzione |
Country Status (27)
Country | Link |
---|---|
EP (2) | EP0469520B1 (it) |
JP (1) | JP3137368B2 (it) |
KR (1) | KR100255904B1 (it) |
AT (1) | AT402503B (it) |
AU (1) | AU650277B2 (it) |
CA (1) | CA2048200C (it) |
CH (1) | CH683772A5 (it) |
CY (1) | CY1986A (it) |
DE (1) | DE4124468B4 (it) |
DK (2) | DK0816413T3 (it) |
ES (2) | ES2112259T3 (it) |
FI (2) | FI108040B (it) |
FR (1) | FR2665453B1 (it) |
GB (1) | GB2246573B (it) |
GR (1) | GR3026322T3 (it) |
HK (1) | HK11797A (it) |
HU (1) | HUT59837A (it) |
IE (1) | IE66185B1 (it) |
IL (1) | IL99007A (it) |
IT (1) | IT1252944B (it) |
LU (1) | LU87985A1 (it) |
MY (1) | MY108621A (it) |
NO (1) | NO912960D0 (it) |
NZ (1) | NZ239184A (it) |
PH (1) | PH31047A (it) |
PT (1) | PT98491B (it) |
TW (2) | TW282477B (it) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5527524A (en) * | 1986-08-18 | 1996-06-18 | The Dow Chemical Company | Dense star polymer conjugates |
US5560929A (en) * | 1986-08-18 | 1996-10-01 | The Dow Chemical Company | Structured copolymers and their use as absorbents, gels and carriers of metal ions |
US5225521A (en) * | 1991-12-31 | 1993-07-06 | E. I. Du Pont De Nemours And Company | Star-shaped hydroxyacid polymers |
US5525357A (en) * | 1992-08-24 | 1996-06-11 | The United States Of America As Represented By The Department Of Health And Human Services | Polymer-bound nitric oxide/nucleophile adduct compositions, pharmaceutical compositions incorporating same and methods of treating biological disorders using same |
US6200558B1 (en) | 1993-09-14 | 2001-03-13 | The United States Of America As Represented By The Department Of Health And Human Services | Biopolymer-bound nitric oxide-releasing compositions, pharmaceutical compositions incorporating same and methods of treating biological disorders using same |
US5405919A (en) * | 1992-08-24 | 1995-04-11 | The United States Of America As Represented By The Secretary Of Health And Human Services | Polymer-bound nitric oxide/nucleophile adduct compositions, pharmaceutical compositions and methods of treating biological disorders |
JPH06116381A (ja) * | 1992-10-09 | 1994-04-26 | Mitsui Toatsu Chem Inc | ポリヒドロキシカルボン酸の精製方法 |
DE4412317A1 (de) * | 1993-04-21 | 1994-10-27 | Basf Ag | Polylactid mit verbreiterter Molmassenverteilung |
US5359026A (en) * | 1993-07-30 | 1994-10-25 | Cargill, Incorporated | Poly(lactide) copolymer and process for manufacture thereof |
US5496923A (en) * | 1993-09-20 | 1996-03-05 | Mitsui Toatsu Chemicals, Inc. | Purification process of aliphatic polyester |
WO1995013814A1 (en) * | 1993-11-19 | 1995-05-26 | Janssen Pharmaceutica N.V. | Microencapsulated 3-piperidinyl-substituted 1,2-benzisoxazoles and 1,2-benzisothiazoles |
ZA951877B (en) * | 1994-03-07 | 1996-09-09 | Dow Chemical Co | Bioactive and/or targeted dendrimer conjugates |
WO2000015273A1 (de) | 1998-09-11 | 2000-03-23 | Gerhard Schmidmaier | Biologisch aktive implantate |
US6362308B1 (en) | 2000-08-10 | 2002-03-26 | Alkermes Controlled Therapeutics Inc. Ii | Acid end group poly(d,l-lactide-co-glycolide) copolymers high glycolide content |
JP4231781B2 (ja) | 2001-07-10 | 2009-03-04 | 株式会社クレハ | ポリグリコール酸及びその製造方法 |
FR2830448B1 (fr) * | 2001-10-10 | 2004-03-19 | Pf Medicament | Microspheres biodegradables a liberation prolongee et leur procede de preparation |
EP1450766B1 (fr) * | 2001-10-10 | 2015-04-22 | Pierre Fabre Medicament | Microspheres biodegradables a liberation prolongee et leur procede de preparation |
US20040097419A1 (en) * | 2002-11-19 | 2004-05-20 | Holger Petersen | Organic compounds |
AU2013204972B2 (en) * | 2002-11-19 | 2016-04-21 | Novartis Ag | Pharmaceutical composition comprising octreotide microparticles |
GB0226993D0 (en) * | 2002-11-19 | 2002-12-24 | Novartis Ag | Organic compounds |
SI1787658T1 (sl) | 2005-11-10 | 2012-07-31 | Chemi Spa | Formulacije z trajnim sproščanjem somatostatin analognih inhibitorjev rastnega hormona |
CN101193531B (zh) | 2006-11-29 | 2010-12-01 | 富准精密工业(深圳)有限公司 | 散热装置 |
JP5576291B2 (ja) * | 2007-12-31 | 2014-08-20 | サムヤン バイオファーマシューティカルズ コーポレイション | ポリ(α−ヒドロキシ酸)の疎水性高分子ブロックを含む高純度の両親媒性ブロック共重合体及びその製造方法 |
CA2756388C (en) * | 2009-03-23 | 2015-10-27 | Micell Technologies, Inc. | Biodegradable polymers with low acidic impurity |
JP5594996B2 (ja) | 2009-09-14 | 2014-09-24 | 三菱重工業株式会社 | 航空機の操縦システム |
CN102947367B (zh) | 2010-06-21 | 2014-11-12 | Lg化学株式会社 | 具有优异耐热性的聚交酯树脂及其制备方法 |
EP2455414A1 (de) * | 2010-11-17 | 2012-05-23 | Evonik Röhm GmbH | Verfahren zur Herstellung von hochmolekularen, resorbierbaren Polyestern, die mit dem Verfahren herstellbaren hochmolekularen resorbierbaren Polyester und deren Verwendung |
EP2455415A1 (de) * | 2010-11-17 | 2012-05-23 | Evonik Röhm GmbH | Verfahren zur Herstellung von niedermolekularen, resorbierbaren Polyestern, die mit dem Verfahren herstellbaren niedermolekularen resorbierbaren Polyester und deren Verwendung |
CN105820332B (zh) * | 2015-01-09 | 2018-06-29 | 北京化工大学 | 一种星形聚氨基酸和星形聚氨基酸载药纳米胶束及制备方法 |
US10556999B2 (en) | 2016-01-29 | 2020-02-11 | Tolmar, Inc. | Purification and decolorization of polymers |
US11261293B2 (en) | 2017-08-31 | 2022-03-01 | Evonik Corporation | Resorbable polymer purification process |
GR1009392B (el) * | 2017-09-19 | 2018-10-25 | Φαρματεν Αβεε | Φαρμακευτικο σκευασμα που περιλαμβανει ενα πεπτιδικο φαρμακο και μεθοδος για την παρασκευη αυτου |
GB2568526A (en) * | 2017-11-20 | 2019-05-22 | Rebio Tech Oy | Composition |
CN112940234B (zh) * | 2021-01-28 | 2022-05-03 | 广东粤港澳大湾区黄埔材料研究院 | 一种高纯度聚乙丙交酯的制备方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1467970A (en) * | 1975-05-02 | 1977-03-23 | Ici Ltd | Purification of polyethers |
US4273920A (en) * | 1979-09-12 | 1981-06-16 | Eli Lilly And Company | Polymerization process and product |
CH656884A5 (de) * | 1983-08-26 | 1986-07-31 | Sandoz Ag | Polyolester, deren herstellung und verwendung. |
CA1236641A (en) * | 1984-07-06 | 1988-05-10 | Motoaki Tanaka | Copolymer of lactic acid and glycolic acid and method for producing same |
EP0181621B1 (en) * | 1984-11-13 | 1991-09-04 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for purification of polyalkylene ether |
JP2551756B2 (ja) * | 1985-05-07 | 1996-11-06 | 武田薬品工業株式会社 | ポリオキシカルボン酸エステルおよびその製造法 |
JPH0610252B2 (ja) * | 1985-08-21 | 1994-02-09 | 和光純薬工業株式会社 | 重合体の製造法 |
DE3641692A1 (de) * | 1986-12-06 | 1988-06-09 | Boehringer Ingelheim Kg | Katalysatorfreie resorbierbare homopolymere und copolymere |
DE3708916A1 (de) * | 1987-03-19 | 1988-09-29 | Boehringer Ingelheim Kg | Verfahren zur reinigung resorbierbarer polyester |
JP2714454B2 (ja) * | 1988-11-07 | 1998-02-16 | 三井東圧化学株式会社 | 生体吸収性ポリエステルの製造方法 |
EP0452111B1 (en) * | 1990-04-13 | 1998-07-15 | Takeda Chemical Industries, Ltd. | Biodegradable high-molecular polymers, production and use thereof |
-
1991
- 1991-07-17 MY MYPI91001289A patent/MY108621A/en unknown
- 1991-07-22 HU HU912452A patent/HUT59837A/hu unknown
- 1991-07-23 IT ITRM910553A patent/IT1252944B/it active IP Right Grant
- 1991-07-24 DE DE4124468A patent/DE4124468B4/de not_active Expired - Fee Related
- 1991-07-29 ES ES91112725T patent/ES2112259T3/es not_active Expired - Lifetime
- 1991-07-29 DK DK97202586T patent/DK0816413T3/da active
- 1991-07-29 EP EP91112725A patent/EP0469520B1/en not_active Expired - Lifetime
- 1991-07-29 DK DK91112725T patent/DK0469520T3/da active
- 1991-07-29 CH CH2264/91A patent/CH683772A5/de not_active IP Right Cessation
- 1991-07-29 EP EP97202586A patent/EP0816413B1/en not_active Expired - Lifetime
- 1991-07-29 ES ES97202586T patent/ES2243966T3/es not_active Expired - Lifetime
- 1991-07-30 AU AU81430/91A patent/AU650277B2/en not_active Ceased
- 1991-07-30 NO NO912960A patent/NO912960D0/no unknown
- 1991-07-30 GB GB9116396A patent/GB2246573B/en not_active Expired - Fee Related
- 1991-07-30 NZ NZ239184A patent/NZ239184A/en not_active IP Right Cessation
- 1991-07-30 AT AT0151591A patent/AT402503B/de not_active IP Right Cessation
- 1991-07-30 IL IL9900791A patent/IL99007A/en not_active IP Right Cessation
- 1991-07-30 FR FR9109673A patent/FR2665453B1/fr not_active Expired - Fee Related
- 1991-07-30 LU LU87985A patent/LU87985A1/fr unknown
- 1991-07-30 PH PH42864A patent/PH31047A/en unknown
- 1991-07-30 FI FI913641A patent/FI108040B/fi active
- 1991-07-30 PT PT98491A patent/PT98491B/pt not_active IP Right Cessation
- 1991-07-31 CA CA002048200A patent/CA2048200C/en not_active Expired - Lifetime
- 1991-07-31 KR KR1019910013171A patent/KR100255904B1/ko not_active IP Right Cessation
- 1991-07-31 IE IE269791A patent/IE66185B1/en not_active IP Right Cessation
- 1991-07-31 JP JP03191781A patent/JP3137368B2/ja not_active Expired - Fee Related
- 1991-08-02 TW TW082100731A patent/TW282477B/zh not_active IP Right Cessation
- 1991-08-02 TW TW080106046A patent/TW218025B/zh not_active IP Right Cessation
-
1997
- 1997-02-05 HK HK11797A patent/HK11797A/xx not_active IP Right Cessation
- 1997-09-05 CY CY198697A patent/CY1986A/xx unknown
-
1998
- 1998-03-11 GR GR980400513T patent/GR3026322T3/el unknown
-
2001
- 2001-06-05 FI FI20011189A patent/FI111268B/fi active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970623 |