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AstraZeneca UK Ltd

AstraZenec

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US5004602A	Continuous release pharmaceutical compositions formed by fr…	Expired / Lapsed	1986-05-12	1991-04-02	2	Details
US4767628B1	US4767628B1 - - Google Patents	Expired / Lapsed	1987-06-29	1990-07-17	0	Details
US4767628A	Continuous release pharmaceutical compositions	Expired / Lapsed	1987-06-29	1988-08-30	18	Details
US4745160A	Biodegradable amphipathic copolymers	Expired / Lapsed	1985-06-21	1988-05-17	6	Details