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:
Nov. 14, 1989
Filed:
Oct. 31, 1988
Applicant:
Inventors:
Tetsuo Horiuchi, Osaka, JP;
Yuichi Inoue, Osaka, JP;
Assignee:
Nitto Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
604307 ; 128155 ; 128156 ; 604304 ; 424427 ; 424445 ;
Abstract
A dermal bandage comprising a film-like adhesive material comprising at least one of polycarboxylic acids and polycarboxylic acid anhydrides, and a vinyl accetate polymer, and a dermal preparation comprising a film-like adhesive material containing drug, comprising at least one of polycarboxylic acids and polycarboxylic acid anhydride, and a vinyl acetate polymer are disclosed. The dermal bandage and dermal preparation exhibit strong adhesion of long duration only upon water absorption and is useful for prevention of running off of drugs applied to the skin or protection of affected parts of the skin.