Details for Patent: 4,221,778

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Summary for Patent: 4,221,778

Title:	Prolonged release pharmaceutical preparations
Abstract:	Prolonged release pharmaceutical preparations containing ion exchange resin drug complexes at least a substantial portion of which have been treated with a solvating agent and provided with a diffusion barrier coating.
Inventor(s):	Raghunathan; Yegnaswami (Fairport, NY)
Assignee:	Pennwalt Corporation (Philadelphia, PA)
Application Number:	06/001,644
Patent Claim Types: see list of patent claims	Composition; Compound;

Drugs Protected by US Patent 4,221,778

Glossary

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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

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