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:
Jun. 24, 2014
Filed:
Dec. 02, 2009
Applicants:
Rainer Kupfer, Hattersheim, DE;
Carsten Cohrs, Frankfurt, DE;
Inventors:
Rainer Kupfer, Hattersheim, DE;
Carsten Cohrs, Frankfurt, DE;
Assignee:
Clarient Finance (BVI) Limited, Tortola, VG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 65/17 (2006.01); C08K 5/01 (2006.01); C07C 325/00 (2006.01); C07C 323/00 (2006.01); C07C 381/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to water-based hydraulic fluids comprising a) water, b) at least one glycol, a polyglycol, or both, and c) 0.1 to 30 wt % of at least one compound of formula 1, where M is hydrogen, an alkali metal, an alkali earth metal, or ammonia, Arand Arare independently monocyclic or polycyclic aromatic groups that can have substituents or can comprise heteroatoms.