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:
Apr. 20, 1999
Filed:
Sep. 16, 1997
Applicant:
Inventors:
Norbert Aurin, Ockenheim, DE;
Thomas Roth, Dusseldorf, DE;
Assignee:
Chemische Fabrik Budenheim Rudolf A. Oetker, Budenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508163 ; 508155 ;
Abstract
The invention concerns a lubricant for the hot forming of metals with at least one alkali metal phosphate and possibly additionally at least one phosphate of a divalent metal, which has improved lubricating properties in comparison with known high-temperature lubricants and which at the same time does not attack the workpiece and tool or attacks same to a lesser degree than known lubricants as it contains at least one additives which forms a gas upon being heated.