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:
Sep. 24, 1985
Filed:
Oct. 01, 1984
Applicant:
Inventors:
Ronald R Ambrose, Allison Park, PA (US);
Wen-Hsuan Chang, Gibsonia, PA (US);
David T McKeough, Gibsonia, PA (US);
John R Peffer, Pittsburgh, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 78 ; 252182 ; 524761 ; 524762 ; 524765 ; 528 85 ; 528369 ;
Abstract
There are disclosed herein polyurethane polyols and coating compositions formulated therewith. The polyurethane polyols are prepared by typically reacting low molecular weight polyols in amounts sufficient to produce reaction products containing a significant amount of unreacted starting polyols which can be subsequently removed by means such as vacuum distillation.