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Last Updated: November 21, 2024

Details for Patent: 4,517,179


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Summary for Patent: 4,517,179
Title: Rapid dissolving, uniform drug compositions and their preparation
Abstract:Rapid dissolving uniform compositions of low water solubility drugs are formed from a dry mixture of the drug having a reduced particle size in combination with properly selected and sized excipients including microcrystalline cellulose, dibasic calcium phosphate, starches and a lubricant.
Inventor(s): Raghunathan; Yegnasawami (Fairport, NY)
Assignee: Pennwalt Corporation (Philadelphia, PA)
Application Number:06/586,605
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Process;

Drugs Protected by US Patent 4,517,179

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

International Family Members for US Patent 4,517,179

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 53294 ⤷  Sign Up
Australia 2643484 ⤷  Sign Up
Australia 565640 ⤷  Sign Up
Canada 1216236 ⤷  Sign Up
Switzerland 662947 ⤷  Sign Up
Germany 3482402 ⤷  Sign Up
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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