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Serving hundreds of leading biopharmaceutical companies globally:

Cantor Fitzgerald
Covington
Healthtrust
Johnson and Johnson
Baxter
QuintilesIMS
Merck
US Army
McKinsey

Generated: April 26, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,217,909

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Summary for Patent: 6,217,909
Title: Pharmaceutical excipient having improved compressibility
Abstract:A microcrystalline cellulose-based excipient having improved compressibility, whether utilized in direct compression, dry granulation or wet granulation formulations, is disclosed. The excipient is an agglomerate of microcrystalline cellulose particles and from about 0.1% to about 20% silicon dioxide particles, by weight of the microcrystalline cellulose, wherein the microcrystalline cellulose and silicon dioxide are in intimate association with each other. The silicon dioxide utilized in the novel excipient has a particle size from about 1 nanometer to about 100 microns. Most preferably, the silicon dioxide is a grade of colloidal silicon dioxide.
Inventor(s): Sherwood; Bob E. (Amenia, NY), Staniforth; John H. (Bath, GB), Hunter; Edward A. (Glenham, NY)
Assignee: Edward Mendell Co., Inc. (Patterson, NY)
Application Number:09/438,646
Patent Claim Types:
see list of patent claims
Composition;

Drugs Protected by US Patent 6,217,909

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
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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Serving hundreds of leading biopharmaceutical companies globally:

Chinese Patent Office
Dow
Johnson and Johnson
Baxter
AstraZeneca
Argus Health
Deloitte
Julphar
Fuji

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