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Serving hundreds of leading biopharmaceutical companies globally:

Medtronic
Queensland Health
McKinsey
Farmers Insurance
Covington
US Army
Chinese Patent Office
Moodys
Cantor Fitzgerald

Generated: May 27, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,430,343

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Summary for Patent: 4,430,343
Title: Benzimidazole derivatives, process for the preparation thereof and pharmaceutical composition containing the same
Abstract:Novel benzimidazole derivatives of the formula: ##STR1## wherein R.sup.1 is an alkyl group having 1 to 3 carbon atoms, allyl group, propargyl group, or phenyl group; R.sup.2 is hydrogen atom or an alkyl group having 1 to 3 carbon atoms; and n is 2 or 3, or pharmaceutically acceptable acid addition salts thereof, which have excellent antihistaminic activities and are useful as antiallergics for various allergic diseases, and a process for the preparation thereof, and an antihistaminic composition containing the compound as an active ingredient.
Inventor(s): Iemura; Ryuichi (Kawanisi, JP), Kawashima; Tsuneo (Kobe, JP), Fukuda; Toshikazu (Osaka, JP), Ito; Keizo (Osaka, JP), Nose; Takashi (Nara, JP), Tsukamoto; Goro (Toyonaka, JP)
Assignee: Kanebo, Ltd. (Tokyo, JP)
Application Number:06/436,032
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,430,343
Patent Claim Types:
see list of patent claims
Compound; Composition;

Drugs Protected by US Patent 4,430,343

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: 4,430,343

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan56-178804Nov 06, 1981

International Family Members for US Patent 4,430,343

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 19878 ➤ Try a Free Trial
Germany 3271269 ➤ Try a Free Trial
European Patent Office 0079545 ➤ Try a Free Trial
Japan H0224821 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Baxter
Federal Trade Commission
Colorcon
AstraZeneca
Julphar
Mallinckrodt
Harvard Business School
Farmers Insurance
Daiichi Sankyo

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