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:
Aug. 25, 1992
Filed:
Apr. 29, 1991
Applicant:
Inventor:
Helfried Ehrend, Speyer, DE;
Assignee:
Rhein Chemie Rheinau GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524306 ; 524310 ; 524311 ; 524317 ; 524318 ; 524322 ;
Abstract
An addition of 1 to 10% by weight and preferably 2 to 5% by weight, based on polyurethane rubber, of a fatty acid ester of pentaerythritol or a mixture of an alkane with a fatty acid to the polyurethane rubber mix eliminates the tendency towards sticking and improves the flow properties.