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:
Jul. 22, 2003
Filed:
Nov. 06, 2000
Applicant:
Inventors:
Steven Scott Edwards, Horsham, PA (US);
Ralph Craig Even, Blue Bell, PA (US);
Loretta Ann Wieckowski, Hatfield, PA (US);
Alexander Kowalski, Plymouth Meeting, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/22 ; C08F 2/24 ;
U.S. Cl.
CPC ...
C08F 2/22 ; C08F 2/24 ;
Abstract
An emulsion polymer and a method for preparing the emulsion polymer by the free radical polymerization of at least one first ethylenically unsaturated monomer to form a first emulsion polymer and the subsequent treatment of the first emulsion polymer with a colloidal stabilizer, at least one second ethylenically unsaturated monomer, and a redox system at 20-85° C. is provided.