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US 8,153,106 B1Granted
Silicone based sun screening compositions with improved UVA1/UV ratios
AssigneeSiltech Inc.
InventorsDennis Lee Lott, Anthony J. O'Lenick, Jr.
Life of this patent
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Abstract
The present invention is directed to a synergistic blend of a sunscreen agent, specifically avobenzone and a specific class of ester that results in substantially improved sunscreen effectiveness, improving the performance of the sunscreen formulation as determined by the star system.
Claims8
A sunscreen composition, which comprises:
- (1) a silicone compound conforming to the following structure
- wherein;
- a is an integer ranging from 0 to 50;
- b is an integer ranging from 1 to 20;
- c is an integer ranging from 1 to 20;
- d is an integer ranging from 5 to 20;
- e is an integer ranging from 5 to 20;
- and
- (2) avobenzone.
6 more elements
A process for providing improved sun protection, which comprises
- contacting the skin with an effective sun screening concentration of a composition comprising:
- (1)) a silicone compound conforming to the following structure
- wherein;
- a is an integer ranging from 0 to 50;
- b is an integer ranging from 1 to 20;
- c is an integer ranging from 1 to 20;
- d is an integer ranging from 5 to 20;
- e is an integer ranging from 5 to 20;
- and
- (2) avobenzone.
7 more elements
Dependencies are inferred from the claim text.