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:
Mar. 25, 1997
Filed:
May. 19, 1995
Applicant:
Inventor:
Randolph B Krafcik, Aurora, OH (US);
Assignee:
The Sherwin-Williams Company, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 28 ; 528 29 ; 528 38 ;
Abstract
This invention relates to silicon-containing polyurethane thickeners having particular utility in paints and coatings comprising the reaction product of an isocyanate functional material, a polyether polyol, a monofunctional, active-hydrogen containing, hydrophobic endcapping material, a silane-functional material, and water.