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:
Jun. 16, 2026
Filed:
Mar. 22, 2021
Applicant:
Rohm and Haas Company, Collegeville, PA (US);
Inventors:
James C. Bohling, Lansdale, PA (US);
Ibrahim Eryazici, Phoenixville, PA (US);
Christopher Kozak, Audubon, PA (US);
Partha S. Majumdar, Harleysville, PA (US);
Johnpeter N. Ngunjiri, Gilbertsville, PA (US);
Assignee:
Rohm and Haas Company, Collegeville, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 220/18 (2006.01); C08K 3/22 (2006.01); C08L 51/00 (2006.01);
U.S. Cl.
CPC ...
C08L 51/003 (2013.01); C08F 220/1804 (2020.02); C08K 2003/2241 (2013.01);
Abstract
The present invention relates to an aqueous dispersion of polymeric microspheres with a high surface Young's modulus and a relatively low core Young's modulus. The dispersion of the present invention is useful in paint formulations for providing improving hydrophobic stain resistance, for example, resistance to lipstick.