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US4767628B1
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US4767628B1 - - Google Patents
Assignee: AstraZeneca UK Ltd
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Filing: 1987-06-29
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Granted: 1990-07-17
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Expires: 2007-06-29
Abstract
Abstract Pharmaceutical compositions, comprising a polylactide and a pharmacologically active, acid stable polypeptide, which when placed in an aqueous physiological environment release the polypeptide at an approximately constant rate in an essentially monophasic manner, with a minimal, or no induction period prior to the release; polylactides suitable for use in said compositions; and a method for the manufacture of such polylactides.
Inventors
- 👤 G Hutchinson Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:09
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0024; A61K9/14; A61K9/16; A61K9/1605; A61K9/1629; A61K9/1641; A61K9/1647; A61K9/20; A61K9/2004; A61K9/2022; A61K9/2031; A61K9/204; A61K9/70; A61K9/7007; C; C07; C07D; C07D319/00; C07D319/10; C07D319/12; C08; C08G; C08G63/00; C08G63/02; C08G63/06; C08G63/08; Y; Y10; Y10S; Y10S930/00; Y10S930/01; Y10S930/28
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-07-16 | 1994-01-15 | 1994-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-16 | 1998-01-15 | 1998-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-16 | 2002-01-15 | 2002-07-17 | $7700.00 | Window Closed / Lapsed |