The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 1991
Filed:
Jun. 20, 1990
Applicant:
Inventors:
Kuldeepak Sharma, Mountain View, CA (US);
Samir D Roy, Mountain View, CA (US);
Eric J Roos, Redwood City, CA (US);
Assignee:
Cygnus Therapeutic Systems, Redwood City, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424449 ; 424448 ; 514947 ;
Abstract
Method and laminated composite for administering buprenorphine transdermally to treat pain. The composite comprises an impermeable backing layer and a reservoir layer containing buprenorphine and optionally a permeation enhancer combined with a pressure-sensitive adhesive with the amounts of buprenorphine and optional enhancer being sufficient to cause the buprenorphine to pass through the skin at a rate in excess of about 0.05 mcg/cm.sup.2 /hr.