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:
Jun. 09, 2009
Filed:
May. 06, 2005
Craig A. Bonda, Winfield, IL (US);
Stephen O'rourke, Bolingbrook, IL (US);
Anna Pavlovic, Elmwood Park, IL (US);
Urvil B. Shah, Mokena, IL (US);
Craig A. Bonda, Winfield, IL (US);
Stephen O'Rourke, Bolingbrook, IL (US);
Anna Pavlovic, Elmwood Park, IL (US);
Urvil B. Shah, Mokena, IL (US);
Hallstar Innovations Corp., Chicago, IL (US);
Abstract
A method of decreasing the UV light degradation of a UV-light degradable polymer comprising adding to said polymer an effective amount of a compound of formula (IX): wherein, R, Rand Rare the same or different and are selected from the group consisting of C-Calkyl, C-Ccycloalkyl, substituted alkyl, substituted cycloalkyl, ester, aryl, heteroaryl, heterocycloalkyl, substituted aryl, substituted heteroaryl, substituted heterocycloalkyl, and amino; Rand Rare the same or different and are selected from the group consisting of C-Calkyl, C-Ccycloalkyl, substituted alkyl, substituted cycloalkyl, ester, aryl, heteroaryl, heterocycloalkyl, substituted aryl, substituted heteroaryl, substituted heterocycloalkyl, cyano, and amino; Rand Rare the same or different and are selected from the group consisting of substituted diphenylmethylene, unsubstituted diphenylmethylene, substituted 9H-fluorene, and unsubstituted 9H-fluorene; t and u are each in the range of 1 to 100; s is in the range of 0 to 100; and a, b, c, and d are each in the range of 0 to 4.