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. 02, 1999
Filed:
Sep. 25, 1996
Applicant:
Inventors:
Wayne K Dunshee, Maplewood, MN (US);
Mary L Brown, St. Paul, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
604307 ; 604304 ; 602 41 ; 602 43 ; 602 48 ;
Abstract
A flexible sheet material for covering wounds, comprising at least two regions. The first region is in contact with the wound, and facilitates healing of the wound. The second region surrounds the first region and comprises an antimicrobial agent to inhibit or prevent the migration of microorganisms from the external environment to the first region.