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. 20, 2007
Filed:
Jul. 14, 2004
Richard Rosen, Princeton, NJ (US);
Jean-marie Bernard, Saint-Laurent d'Agny, FR;
Shiming Wo, Monroe Township, NJ (US);
Corinne Simone Duffy, Lyons, FR;
Richard Rosen, Princeton, NJ (US);
Jean-Marie Bernard, Saint-Laurent d'Agny, FR;
Shiming Wo, Monroe Township, NJ (US);
Corinne Simone Duffy, Lyons, FR;
Rhodia Inc., Cranbury, NJ (US);
Abstract
A hardener composition for use as a component of a two component polyurethane coating composition, comprising a polyisocyanate, a catalyst for promoting reaction of the polyisocyanate with a reactive hydrogen compound, and one or more antioxidants selected from: a first antioxidant comprising one or more of sterically hindered phenol antioxidants and secondary aryl amine antioxidants, and a second antioxidant comprising one or more organophosphite antioxidant, exhibits improved color stability.