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:
Dec. 26, 2000
Filed:
Jun. 23, 1998
Applicant:
Inventor:
Revathi R Tomko, North Olmsted, OH (US);
Assignee:
The Sherwin-Williams Company, Cleveland, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524507 ;
Abstract
A process for producing a coating compositions having superior solvent resistance and film hardness comprising an interpenetrating network of a polyurethane component and a functionalized waterborne polymer, wherein the polyurethane component is prepared in the presence of the functionalized waterborne polymer and said polyurethane component and said waterborne polymer are crosslinked directly or indirectly via the chain extender.