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. 05, 1999
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Asare Nkansah, Lansdale, PA (US);
Robert David Solomon, Jeffersonville, PA (US);
Stewart Orlyn Williams, Hatfield, PA (US);
Assignee:
Rohm and Haas Company, Phila., PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524547 ; 523201 ; 524817 ; 526240 ; 526286 ; 526287 ;
Abstract
A method for providing a waterborne coating composition having improved color acceptance is provided. More particularly, a method for improving the color acceptance of a waterborne coating composition containing an emulsion-polymerized addition polymer by incorporating a polymerizable surfactant into the polymer with a certain surface coverage of bound surfactant is provided.