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Last Updated: September 28, 2021

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Details for Patent: 6,562,375


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Summary for Patent: 6,562,375
Title: Stable pharmaceutical composition for oral use
Abstract:The present invention is to provide a stable pharmaceutical composition for oral use and preparation thereof in which changes are prevented in drug release at stored even under the exposure to light by adding yellow ferric oxide and/or red ferric oxide in a matrix type sustained-release preparation containing a drug, hydrophilic base, and polyethylene oxide. The present invention is to further provide a method for preventing changes in drug release at stored under the exposure to light in a matrix type sustained-release preparation containing a drug, hydrophilic base, and polyethylene oxide. The quality assurance period of the product can be prolonged and the product value can be improved by the present invention.
Inventor(s): Sako; Kazuhiro (Shizuoka, JP), Sawada; Toyohiro (Shizuoka, JP), Yoshihara; Keiichi (Shizuoka, JP), Yoshioka; Tatsunobu (Shizuoka, JP), Watanabe; Shunsuke (Shizuoka, JP)
Assignee: Yamanouchi Pharmaceuticals, Co., Ltd. (Tokyo, JP)
Application Number:09/629,405
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,562,375
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form; Use;

Drugs Protected by US Patent 6,562,375

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 6,562,375

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 324909 ⤷  Free Forever Trial
Australia 6182100 ⤷  Free Forever Trial
Australia 769807 ⤷  Free Forever Trial
Canada 2387705 ⤷  Free Forever Trial
China 1193792 ⤷  Free Forever Trial
China 1373673 ⤷  Free Forever Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

McKesson
Mallinckrodt
AstraZeneca
Harvard Business School
Johnson and Johnson
Merck

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