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:
Dec. 07, 1993
Applicant:
Inventors:
Ernst Orthmann, Dormagen, DE;
Klaus Wulff, Krefeld, DE;
Peter Hoeltzenbein, Dormagen, DE;
Helmut Judat, Langenfeld, DE;
Hans Wagner, Dormagen, DE;
Gottfried Zaby, Leverkusen, DE;
Herbert Heidingsfeld, Frechen, DE;
Assignee:
Bayer Aktiengesellschaft, D-51368 Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 49 ; 528 44 ; 528 69 ; 2643286 ;
Abstract
The invention relates to the continuous production of polyurethane and polyurethane urea prepolymers by reaction of polyisocyanates with isocyanate-reactive compounds in a mixing nozzle.