Details for Patent: 5,035,899

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Summary for Patent: 5,035,899

Patent landscape, scope, and claims:

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;
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Drugs Protected by US Patent 5,035,899

Glossary

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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

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

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Japan	63-121233	May 18, 1988

International Family Members for US Patent 5,035,899

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	70442	⤷ Subscribe
Canada	1336958	⤷ Subscribe
German Democratic Republic	283771	⤷ Subscribe
Germany	68900566	⤷ Subscribe
Denmark	174664	⤷ Subscribe
Denmark	239189	⤷ Subscribe
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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