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. 02, 2015
Filed:
Nov. 06, 2012
Applicant:
Rohm and Haas Company, Philadelphia, PA (US);
Inventors:
Charles J. Rand, Philadelphia, PA (US);
Barry Weinstein, Dresher, PA (US);
C. Damien Rodowski, Downingtown, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/08 (2006.01); C08F 2/38 (2006.01);
U.S. Cl.
CPC ...
C08F 220/08 (2013.01); C08F 2/38 (2013.01);
Abstract
The present invention provides hypophosphite (co)telomers of methacrylic anhydride having a weight average molecular weight of from 1,000 to 20,000, and having, on average, at least one phosphorus atom bound to two carbon atoms, and at least one carboxylic acid or salt group.