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:
Mar. 18, 2014
Filed:
Jul. 07, 2011
Krishnan Tamareselvy, Brecksville, OH (US);
Deborah S. Filla, Twinsburg, OH (US);
Steven J. Smith, Wakeman, OH (US);
David L. Dashiell, Lakewood, OH (US);
Gary Gray, Avon Lake, OH (US);
Yi Yang, Bridgewater, NJ (US);
John J. Mullay, Mentor, OH (US);
Krishnan Tamareselvy, Brecksville, OH (US);
Deborah S. Filla, Twinsburg, OH (US);
Steven J. Smith, Wakeman, OH (US);
David L. Dashiell, Lakewood, OH (US);
Gary Gray, Avon Lake, OH (US);
Yi Yang, Bridgewater, NJ (US);
John J. Mullay, Mentor, OH (US);
Lubrizol Advanced Materials, Inc., Cleveland, OH (US);
Abstract
Disclosed are multi-staged acrylic based core-shell polymers comprising a linear core polymer and at least one subsequently polymerized shell polymers is crosslinked. The core-shell polymers surprisingly provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions, particularly at low pH.