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. 25, 1997
Filed:
Sep. 27, 1995
Applicant:
Inventors:
Achim Fessenbecker, Heidelberg, DE;
Joachim Korff, Hockenheim, DE;
Hans-Jurgen Kress, Bruhl, DE;
Volker Muller, Oftersheim, DE;
Assignee:
Rhein Chemie Rheinau GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508550 ;
Abstract
Lubricant base materials containing ester groups may be stabilised by adding a small quantity of carbodiimides and the service life of lubricants manufactured therefrom may be decisively extended.