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. 08, 1997
Filed:
Dec. 21, 1995
Applicant:
Inventors:
Richard S Pantone, New Martinsville, WV (US);
James W Rosthauser, Glendale, WV (US);
Karl W Haider, New Martinsville, WV (US);
Assignee:
Bayer Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 64 ; 528 67 ; 2521822 ; 25218222 ;
Abstract
This invention relates to isocyanate-terminated prepolymers, a process for the preparation of these isocyanate-terminated prepolymers, a process for the production of polyurethane.backslash.polyurea elastomers prepared from a diisocyanate comprising these prepolymers, and the elastomers produced by this process. These isocyanate-terminated prepolymers have a viscosity less than about 6000 mPa.cndot.s at 80.degree. C. and an NCO content of about 3 to 10%. These isocyanate-terminated prepolymers are the reaction product of