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. 25, 2009
Filed:
Jan. 31, 2007
Thomas N. Blanton, Rochester, NY (US);
Narasimharao Dontula, Rochester, NY (US);
Seshadri Jagannathan, Rochester, NY (US);
Kevin L. Bishop, Rochester, NY (US);
David W. Sandford, Rochester, NY (US);
Craig L. Barnes, LeRoy, NY (US);
Thomas N. Blanton, Rochester, NY (US);
Narasimharao Dontula, Rochester, NY (US);
Seshadri Jagannathan, Rochester, NY (US);
Kevin L. Bishop, Rochester, NY (US);
David W. Sandford, Rochester, NY (US);
Craig L. Barnes, LeRoy, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A polymer composite comprising a thermoplastic polymer compounded with a phenolic antioxidant, an organo-disulfide antioxidant, and a silver-based antimicrobial agent. The specified combination of antioxidant stabilizers is superior in inhibiting undesirable discoloration of thermoplastic polymers in the presence of compounded silver-based antimicrobial agents. A process of preparing such a composite, comprising compounding the phenolic antioxidant and organo-disulfide antioxidant with the thermoplastic polymer prior to compounding the silver-based antimicrobial agent with the thermoplastic polymer.