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:
Dec. 11, 2012
Filed:
May. 03, 2010
Applicants:
Peter Rohrbach, Liestal, CH;
Samuel Evans, Marly, CH;
Stefan Laeuger, Rheinfelden-Degerfelden, DE;
Inventors:
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 173/02 (2006.01); C10M 145/24 (2006.01); C10M 145/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an aqueous functional fluid comprising an antioxidant of the hindered phenol type and a water-soluble polyalkylene glycol. The aqueous functional fluids are especially suitable for use as hydraulic or metal working fluids. The present invention also relates to the use of the aqueous functional fluid for improving the performance properties of hydraulic or metal working fluids.