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Serving hundreds of leading biopharmaceutical companies globally:

Fuji
Farmers Insurance
US Army
Cantor Fitzgerald
Accenture
Medtronic
Colorcon
Cipla
Argus Health

Generated: April 20, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,559,222

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Summary for Patent: 4,559,222
Title: Matrix composition for transdermal therapeutic system
Abstract:Mineral oil (MO) polyisobutylene (PIB), colloidal silicon dioxide (CSD) mixtures suitable for use as drug containing matrices in transdermal delivery systems are disclosed. Preferred systems for dispensing moderately mineral oil soluble drugs contain at least about 6% CSD, have a MO/PIB of at least 1.0 and a viscosity of at least 1.5.times.10.sup.7 poises. Preferred systems for dispensing clonidine have a clonidine permeability of at least 1.0.times.10.sup.-4 .mu.g/cm sec and a MO/PIB of at least 1.2.
Inventor(s): Enscore; David J. (Mountain View, CA), Gale; Robert M. (Mountain View, CA)
Assignee: ALZA Corporation (Palo Alto, CA)
Application Number:06/491,490
Patent Claim Types:
see list of patent claims
Composition; Delivery;

Drugs Protected by US Patent 4,559,222

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:

McKesson
Argus Health
Merck
Chubb
Fuji
US Department of Justice
Daiichi Sankyo
Chinese Patent Office
Julphar

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