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:
Oct. 02, 2007
Filed:
Dec. 23, 2003
Anthony D. Gonzalez, Oak Ridge, NJ (US);
Andrew H. Pechko, Ridgewood, NJ (US);
Glen T. Anderson, Pleasantville, NY (US);
Robert E. Kalafsky, Ogdensburg, NJ (US);
Anthony D. Gonzalez, Oak Ridge, NJ (US);
Andrew H. Pechko, Ridgewood, NJ (US);
Glen T. Anderson, Pleasantville, NY (US);
Robert E. Kalafsky, Ogdensburg, NJ (US);
Avon Products, Inc., New York, NY (US);
Abstract
There is provided a photostable and synergistically enhanced topical sunscreen composition that provides increased substantivity, waterproofness, sweat resistance and rub off resistance. There is further provided methods of enhancing the photostability of a sunscreen active in a topical sunscreen composition, synergistically enhancing the UV absorbance of a topical sunscreen composition having a sunscreen active, and enhancing the substantivity, waterproofness, sweat resistance and rub off resistance in a topical sunscreen composition. The preferred compositions and methods have a sunscreen active, a cosmetically acceptable vehicle, and novel 2-substituted-3,3-diaryl-2-propenoic acid derivatives with [A] a Cto Cstraight or branched chain, substituted or un-substituted, conjugated or non-conjugated hydrocarbon, or [B] a siloxane, polysiloxane, organo-modified polysiloxane residue, a group represented by the formula R[Si(R)]— and Rwhich is a silicone residue derived from a silicone represented by the formula ROH having a molecular weight up to about 30,000, wherein each Ris independently selected from the group consisting of alkyl, alkoxy, aryl and aryloxy and n is from 1 to about 500.