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Serving leading biopharmaceutical companies globally:

AstraZeneca
Covington
Cantor Fitzgerald
UBS
Dow
QuintilesIMS
Cerilliant
Daiichi Sankyo
Colorcon
Queensland Health

Generated: February 25, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,035,899

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Summary for Patent: 5,035,899
Title: Peroral preparation of acid-unstable compound
Abstract:A peroral preparation of an acid-unstable compound comprises (1) a core containing the acid-unstable compound, (2) a first layer, coated on the core, comprising a hardly water-soluble, film-forming material and fine particles of a hardly water-soluble substance, suspended in the material, and (3) a second layer, coated on the first layer, of enteric film. The acid-unstable compound is a benzimidazole compound.
Inventor(s): Saeki; Yasuharu (Tsukuba, JP), Koyama; Noritoshi (Ibaraki, JP), Watanabe; Sumio (Aichi, JP), Aoki; Shigeru (Gifu, JP)
Assignee: Eisai Co., Ltd. (Tokyo, JP)
Application Number:07/332,731
Patent Claim Types:
see list of patent claims
Compound; Dosage form;

Drugs Protected by US Patent 5,035,899

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

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Foreign Priority and PCT Information for Patent: 5,035,899

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan63-121233May 18, 1988

International Patents Family Members for US Patent 5,035,899

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Spain 2051919 ➤ Sign Up
Germany 68900566 ➤ Sign Up
Denmark 239189 ➤ Sign Up
Denmark 174664 ➤ Sign Up
European Patent Office 0342522 ➤ Sign Up
Finland 93422 ➤ Sign Up
Finland 891650 ➤ Sign Up
German Democratic Republic 283771 ➤ Sign Up
Austria 70442 ➤ Sign Up
Canada 1336958 ➤ Sign Up
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Colorcon
Moodys
Teva
McKinsey
Merck
UBS
Boehringer Ingelheim
Queensland Health
Dow

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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