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:
Feb. 28, 2012
Filed:
Nov. 17, 2004
Applicants:
Deborah Addison, Keasden, GB;
David Greenhalgh, Skipton, GB;
Breda Mary Cullen, Skipton, GB;
Inventors:
Assignee:
Systagenix Wound Management (US), Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wound dressing material comprising a polymeric substrate, a silver salt, and a dyestuff to photostabilize the silver salt. The substrate may comprise collagen and/or oxidized regenerated cellulose complexed to Ag, and the dyestuff may for example be an aniline or acridine dye. Also provided are methods of making such materials, and wound dressings comprising such materials.