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:
Oct. 03, 2000
Filed:
Nov. 05, 1998
Applicant:
Inventors:
Siegfried Lang, Ludwigshafen, DE;
Bernhard Fussnegger, Kirrweiler, DE;
Dietmar Oechsle, Schwabisch Gmund, DE;
Klaus Helmut Feifel, Schwabisch Gmund, DE;
Martin Zeiler, Waldstetten, DE;
Assignees:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Schenk Filterbau GmbH, Waldstetten, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
210764 ; 208179 ;
Abstract
A process for treating cooling lubricants to prevent attack by microorganisms using crospovidone-iodine as biocidal substance, wherein the cooling lubricant to be treated is brought into contact with a filter cake which consists essentially of particulate crospovidone-iodine as filter medium.