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Last Updated: May 9, 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

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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

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	53294	⤷ Try a Trial
Australia	2643484	⤷ Try a Trial
Australia	565640	⤷ Try a Trial
Canada	1216236	⤷ Try a Trial
Switzerland	662947	⤷ Try a Trial
Germany	3482402	⤷ Try a Trial
Denmark	162630	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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