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Last Updated: March 22, 2023

Details for Patent: 6,335,335

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Summary for Patent: 6,335,335
Title: Prolonged-action eye drop
Abstract:Eye drops containing a .beta.-blocker such as cartelol hydrochloride are improved in the penetration of the .beta.-blocker into the eye and the retention thereof in the eye tissues by the incorporation of a C.sub.3-7 fatty acid such as sorbic acid to the eye preparations.
Inventor(s): Higashiyama; Masayo (Kobe, JP), Ohtori; Akira (Kobe, JP)
Assignee: Senju Pharmaceutical Co., Ltd. (Osaka, JP)
Application Number:09/802,860
Patent Claim Types:
see list of patent claims
Use; Dosage form;

Drugs Protected by US Patent 6,335,335

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: 6,335,335

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan9-302802Nov 05, 1997
Japan10-250009Sep 03, 1998

International Family Members for US Patent 6,335,335

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 2307303 See Plans and Pricing
China 1124842 See Plans and Pricing
China 1278162 See Plans and Pricing
Germany 69839152 See Plans and Pricing
European Patent Office 1029537 See Plans and Pricing
Spain 2297894 See Plans and Pricing
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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