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:
Jul. 15, 1997
Filed:
Dec. 22, 1995
Applicant:
Inventors:
Stephen D Seneker, Sissonville, WV (US);
Nigel Barksby, Dunbar, WV (US);
Bruce D Lawrey, Charleston, WV (US);
Assignee:
ARCO Chemical Technology, L.P., Greenville, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 63 ; 528 64 ; 528 65 ; 528 66 ; 528 76 ; 2521822 ; 25218222 ; 521159 ; 521174 ; 521163 ;
Abstract
Polyurethane elastomers of improved elongation, tensile strength and other physical properties are prepared from a polyol component containing a crystallizable polyol and from 5 to 35 equivalent percent of a low monol polyoxypropylene polyol by one-shot, quasiprepolymer, and preferably, by prepolymer techniques involving chain extension with an aliphatic diol or aromatic amine.