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:
Jul. 19, 2011
Filed:
Aug. 11, 2010
Craig A. Bonda, Winfield, IL (US);
Anna Pavlovic, Elmwood Park, IL (US);
Craig A. Bonda, Winfield, IL (US);
Anna Pavlovic, Elmwood Park, IL (US);
Hallstar Innovations Corp., Chicago, IL (US);
Abstract
Polymers containing one or more novel photoactive moieties, sunscreen compositions including a mixture of a photoactive compound and a polymer containing one or more photoactive moieties are described herein. Polymer of formula (I): wherein the variables are as claimed. Also disclosed are methods for stabilizing a sunscreen composition, methods of filtering out ultra-violet light from a substrate by the addition of one or more of the foregoing polymers, methods accepting the triplet excited state energy with one or more of the foregoing polymer, and methods of increasing the UV-A Protective Value are described herein.