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Serving hundreds of leading biopharmaceutical companies globally:

McKesson
McKinsey
Baxter
Chinese Patent Office
Queensland Health
Cipla
Johnson and Johnson
AstraZeneca
Teva

Generated: April 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,690,825

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Summary for Patent: 4,690,825
Title: Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be prepared by a process utilizing the active ingredient as a porogen
Abstract:Delivery vehicles comprised of a polymeric bead having a network of pores with an active ingredient held within the network are provided for use in a method to provide controlled release of the active ingredient. The network of pores is substantially non-collapsible upon removal of the active ingredient and the delivery vehicles are polymerized by a process in which the active ingredient also comprises the porogen during formation of the network of pores.
Inventor(s): Won; Richard (Palo Alto, CA)
Assignee: Advanced Polymer Systems, Inc. (Redwood City, CA)
Application Number:06/784,382
Patent Claim Types:
see list of patent claims
Composition; Delivery; Process; Formulation; Use;

Drugs Protected by US Patent 4,690,825

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:

Cipla
Teva
Moodys
Farmers Insurance
McKinsey
Fuji
Chubb
Accenture
Mallinckrodt

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