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:
May. 12, 1992
Filed:
Aug. 24, 1989
Applicant:
Inventors:
Ottfried Schlak, Cologne, DE;
Dieter Wecker, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08K / ;
U.S. Cl.
CPC ...
521 51 ; 521 50 ; 521155 ; 528 21 ; 528 27 ; 528 28 ; 528906 ;
Abstract
The present invention is directed to optionally cellular, molded polyurethane plastics having a solid surface and characterized by a content of about 0.1 to 8.0% by weight, based on the weight of the polyurethane plastic, of a polysiloxane which is chemically incorporated into the polyurethane structure. The present invention is also directed to a process for the production of these molded plastics by reacting in closed molds a reaction mixture containing