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Last Updated: September 27, 2020

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Patent: 4,255,415

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Summary for Patent: 4,255,415
Title: Polyvinyl alcohol ophthalmic gel
Abstract:An ophthalmic gel having an improved intensity and duration of the biological response is provided by utilizing a polyvinyl alcohol-sodium borate gel buffered to a pH of 6.5-8.5.
Inventor(s): Chrai; Sukhbir S. (Belleville, NJ), Gupta; Santosh (Bloomfield, NJ), Hensley; Michael J. (Dover, NJ)
Assignee: Schering Corporation (Kenilworth, NJ)
Application Number:05/962,812
Patent Claims:see list of patent claims

Details for Patent 4,255,415

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 001 2006-05-25   Start Trial Schering Corporation (Kenilworth, NJ) 2039-09-23 search
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 1 2006-05-25   Start Trial Schering Corporation (Kenilworth, NJ) 2039-09-23 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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