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:
Oct. 07, 2008
Filed:
Nov. 15, 2004
Robert Mitchell Blankenship, Harleysville, PA (US);
Barrett Richard Bobsein, Sellersville, PA (US);
Lifeng Zhang, Chalfont, PA (US);
Robert Mitchell Blankenship, Harleysville, PA (US);
Barrett Richard Bobsein, Sellersville, PA (US);
Lifeng Zhang, Chalfont, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
Nonionic associative thickeners are provided having a nonionic water soluble polymer backbone with at least two pendant polymeric chains attached to the nonionic water soluble polymer backbone. The pendant polymeric chains have terminal chain segments containing polyoxyalkylene units comprising 3 to 6 carbon atoms. The nonionic associative thickeners are useful for modifying the rheology of compositions including aqueous compositions, such as latex containing compositions.