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:
Aug. 12, 1986
Filed:
Jul. 18, 1984
Applicant:
Inventors:
Keiichi Ushiyama, Osaka, JP;
Hisashi Ichinose, Osaka, JP;
Assignee:
Nitto Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L / ; A61K / ;
U.S. Cl.
CPC ...
424 15 ; 424 16 ; 424 20 ; 424 21 ;
Abstract
A drug administration material for continuously administering an active drug at a controlled rate through an integument or mucous membrane, which comprises a drug-retaining layer having provided on at least one side thereof a drug administration layer which continuously feeds an active drug to an integument or mucous membrane, said drug administration layer comprising a porous membrane containing in pores thereof a liquid having a limited solubility for the active drug.