Andrew J O'Connor

US Patent:

58339612, Nov 10, 1998

Filed:

Jun 25, 1996

Appl. No.:

8/673707

Inventors:

Robert W. Siegfried - Medford NJ
Anna Marie Howe - Ewing NJ
Rocco V. Burgo - Cherry Hill NJ
Andrew Peter O'Connor - Drexel Hill PA
Thomas Grebenar - Ewing NJ

Assignee:

Inolex Investment Corporation - Wilmington DE

International Classification:

A61K 742
A61K 700
A61K 3174

US Classification:

424 59

Abstract:

Sunscreen formulations including functionalized polyesters and at least two organic active sunscreen ingredients are provided. One of the organic active ingredients is at least partially soluble in the other, and the organic active ingredients are compatible and co-soluble with the functionalized polyester. The functionalized polyesters are also included in sunscreen formulations as dispersing agents for inorganic active sunscreen ingredients.

US Patent:

59895276, Nov 23, 1999

Filed:

Jan 26, 1998

Appl. No.:

9/012995

Inventors:

Robert W. Siegfried - Medford NJ
Rocco Burgo - Cherry Hill NJ
Andrew P. O'Connor - Drexel Hill PA
Diana L. Smith - Tabernacle NJ

Assignee:

Inolex Investment Corporation - Wilmington DE

International Classification:

A61K 742
A61K 4734
A01N 2510

US Classification:

424 59

Abstract:

Topical compositions for application to the stratum corneum include a polyester and an active ingredient which is a chemical exfoliating agent, sunless tanning agent, skin lightening agent and/or an insect repellent. The polyester substantially retains the active ingredient on or in the stratum corneum. A method for improving the effect of the active ingredient in a topical composition includes providing a polyester which functions to substantially retain the active ingredient on or in the stratum corneum to improve the effect of the active ingredient.