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:
Jun. 01, 1999
Filed:
Nov. 13, 1997
Applicant:
Inventors:
Manfred Genz, Damme, DE;
Frank Prissok, Lemforde, DE;
Peter Horn, Heidelberg, DE;
Ruediger Krech, Diepholz, DE;
Gerhard Lehr, Schwegenheim, DE;
Horst King, Limburgerhof, DE;
Assignee:
Basf Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ; C08K / ; C08L / ;
U.S. Cl.
CPC ...
524590 ; 521 49 ; 521 495 ; 524589 ; 528 44 ; 528 59 ; 528 60 ; 528 65 ; 528 85 ;
Abstract
Thermoplastic polyurethanes are prepared by reacting (a) isocyanates with (b) compounds reactive toward isocyanates, in the presence or absence of (c) chain extenders, (d) catalysts and (e) customary auxiliaries and additives and adding crosslinked polyurethanes in comminuted form before, during and/or after the reaction.