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. 10, 2010
Filed:
Mar. 31, 2006
David M. Fasano, Maple Glen, PA (US);
Matthew S. Gebhard, New Britain, PA (US);
Kathleen A. Koziski, Lansdale, PA (US);
Willie Lau, Lower Gwynedd, PA (US);
Aurelia C. Sheppard, Newtown, PA (US);
David M. Fasano, Maple Glen, PA (US);
Matthew S. Gebhard, New Britain, PA (US);
Kathleen A. Koziski, Lansdale, PA (US);
Willie Lau, Lower Gwynedd, PA (US);
Aurelia C. Sheppard, Newtown, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
An aqueous polymer dispersion comprising polymer particles (A), polymer particles (B) and at least one low molecular weight polymer (C) where polymer particles (A) comprise high molecular weight polymer pA having Mw >50,000 and acid number of from 0 to 160, polymer particles (B) comprise high molecular weight polymer pB having Mw >50,000 and acid number of from 0 to 160, and C is an addition polymer having a calculated Tg,(low) of less than 10° C., Mn <10,000, acid number of from 0 to 80, formed by the polymerization of at least one ethylenically unsaturated nonionic monomer.