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:
Dec. 25, 2000
Filed:
Aug. 25, 1998
Applicant:
Inventors:
Ronald P Taylor, Moon Township, PA (US);
Jack C Chan, Coraopolis, PA (US);
Karl W Haider, McKees Rocks, PA (US);
E Haakan Jonsson, Cologne, DE;
Uli W Franz, Moon Township, PA (US);
Mark A Peters, Moon Township, PA (US);
Assignee:
Bayer Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 65 ; 2642102 ; 26421112 ; 2642112 ; 26421121 ; 26421123 ; 264212 ; 264216 ; 264540 ; 528 75 ; 528 85 ;
Abstract
A process for making a thermoplastic polyurethane material comprising the steps of casting an NCO-terminated prepolymer with 1,4-butanediol to form a casting composition; extruding the casting composition to form at least one strand of a polyurethane elastomer; pelletizing the at least one strand of said polyurethane elastomer to form at least one pellet; and processing the at least one pellet to form a thermoplastic article.