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.

Date of Patent:
Feb. 11, 2025

Filed:

Oct. 01, 2019
Applicants:

Dow Global Technologies Llc, Midland, MI (US);

Rohm and Haas Company, Collegeville, PA (US);

Dow Silicones Corporation, Midland, MI (US);

Inventors:

Fanwen Zeng, Audubon, PA (US);

Xiaodong Lu, North Wales, PA (US);

Tian Lan, Langhorne, PA (US);

Isabelle Van Reeth, Incourt Walloon Brabant, BE;

Helene Dihang, Taisnières-sur-Hon, FR;

Marc Eeman, Sombreffe, BE;

Inna Shulman, Langhorne, PA (US);

Assignees:

ROHM AND HAAS COMPANY, Collegeville, PA (US);

DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);

DOW SILICONES CORPORATION, Midland, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 8/91 (2006.01); A61K 8/34 (2006.01); A61K 8/35 (2006.01); A61K 8/37 (2006.01); A61K 8/40 (2006.01); A61K 8/81 (2006.01); A61K 8/893 (2006.01); A61Q 17/04 (2006.01);
U.S. Cl.
CPC ...
A61K 8/91 (2013.01); A61K 8/345 (2013.01); A61K 8/35 (2013.01); A61K 8/37 (2013.01); A61K 8/40 (2013.01); A61K 8/8147 (2013.01); A61K 8/893 (2013.01); A61Q 17/04 (2013.01); A61K 2800/544 (2013.01); A61K 2800/5922 (2013.01);
Abstract

A polymer blend is provided comprising: a single stage polymer and a silicone-grafted vinyl copolymer; wherein the single stage polymer comprises: structural units of a monoethylenically unsaturated non-ionic monomer; structural units of a monoethylenically unsaturated carboxylic acid monomer; and structural units of a multiethylenically unsaturated monomer having at least two ethylenically unsaturated groups per molecule; and wherein the silicone-grafted vinyl copolymer, comprises: structural units of a vinyl monomer; and structural units of a carbosiloxane dendrimer of formula (I). Also provided is a suncare formulation comprising the polymer blend in a dermatologically acceptable carrier with a suncare active.


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