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:
Aug. 23, 2022
Filed:
May. 04, 2018
Applicant:
Lubrizol Advanced Materials, Inc., Cleveland, OH (US);
Inventors:
Shui-Jen Raymond Hsu, Foothill Ranch, CA (US);
Dongcui Li, North Royalton, OH (US);
Sinan Li, Hudson, OH (US);
Robert Jacobs, Olmsted Falls, OH (US);
Assignee:
Lubrizol Advanced Materials, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/00 (2006.01); C11D 3/37 (2006.01); C08F 2/18 (2006.01); C08F 2/20 (2006.01); C08F 220/14 (2006.01); C08F 220/18 (2006.01); C08F 220/20 (2006.01);
U.S. Cl.
CPC ...
C08F 2/18 (2013.01); C08F 220/1802 (2020.02); C11D 3/3765 (2013.01);
Abstract
Disclosed are staged emulsion polymers comprising a crosslinked first stage polymer and a subsequently polymerized linear or slightly crosslinked second stage polymer segment. The staged emulsion polymers possess a dual activation mechanism and provide desirable rheological, clarity, and aesthetic properties in aqueous and aqueous surfactant containing compositions.