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:
Feb. 14, 1989
Filed:
Sep. 25, 1987
Applicant:
Inventors:
Cung Vu, Gaithersburg, MD (US);
Richard C Hartwig, Laurel, MD (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 54 ; 528 58 ; 528 60 ; 528 55 ; 528 56 ; 25218225 ;
Abstract
Two-component polyol/polyisocyanate composition especially useful as an abrasion-, heat-, and corrosion-resistant automotive undercoating. The polyol component comprises glycerol, a polypropylene oxide glycol, and a polypropylene oxide triol. The polyisocyanate component comprises MDI (diphenylmethane-4,4'-diisocyanate), plus a poly(oxypropylene) glycol capped with MDI.