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:
Oct. 19, 1993
Filed:
Nov. 24, 1992
Applicant:
Inventors:
Peter Horn, Heidelberg, DE;
Ulrich Mueller, Neustadt, DE;
Wolfgang Hoelderich, Frankenthal, DE;
Rudolf Taddey, Damme, DE;
Dieter Tintelnot, Diepholz, DE;
Ludwig Schuster, Limburgerhof, DE;
Assignee:
BASF A.G., Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 51 ; 264 454 ; 264D / ; 521 99 ; 521172 ; 521173 ; 521174 ; 521176 ; 521901 ; 521131 ;
Abstract
A process for the production of chlorofluorocarbon-free, urethane- or urethane- and urea-containing, soft-elastic, semirigid or rigid moldings having a cellular core and a compacted peripheral zone and an essentially pore-free, smooth surface involves reacting