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Serving hundreds of leading biopharmaceutical companies globally:

Julphar
Boehringer Ingelheim
McKinsey
Dow
Mallinckrodt
Accenture
Queensland Health
Harvard Business School
Daiichi Sankyo

Generated: May 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,335,335

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Which drugs does patent 6,335,335 protect, and when does it expire?

Patent 6,335,335 protects ISTALOL and is included in one NDA.

This patent has eight patent family members in seven countries.
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 Patent Submitted
Bausch And Lomb ISTALOL timolol maleate SOLUTION/DROPS;OPHTHALMIC 021516-001 Jun 4, 2004 AT2 RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
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: 6,335,335

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

Non-Orange Book US Patents Family Members for Patent 6,335,335

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
6,645,963 Prolonged-action eye drop ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Chinese Patent Office
Moodys
Cantor Fitzgerald
AstraZeneca
Cerilliant
Federal Trade Commission
Cipla
McKinsey
Fish and Richardson

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