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:
Mar. 05, 2002
Filed:
Aug. 13, 1999
Applicant:
Inventors:
Wolfgang Friedrichs, Köln, DE;
Uwe Künzel, Leverkusen, DE;
Kurt Krippl, Monheim, DE;
Klaus Schulte, Bergisch Gladbach, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/00 ; C08K 3/20 ; C08K 3/04 ; C08L 7/500 ; B01F 1/306 ;
U.S. Cl.
CPC ...
C08J 3/00 ; C08K 3/20 ; C08K 3/04 ; C08L 7/500 ; B01F 1/306 ;
Abstract
The present invention is directed to a process and corresponding device for incorporating expanded graphite in a gentle manner into a polyurethane reactive mixture and, on the other hand, processes and corresponding means for reducing or preventing sedimentation of the expanded graphite in the liquid.