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:
Aug. 13, 2013
Filed:
Jan. 26, 2011
Applicant:
Nael Naguib Zaki, Shawnee, KS (US);
Inventor:
Nael Naguib Zaki, Shawnee, KS (US);
Assignee:
Fuchs Lubricants Co., Harvey, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 115/10 (2006.01); C10M 169/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process includes adding an effective amount of a calcium lignin sulfonate to a thickened base grease to form a lubricating grease wherein the calcium lignin sulfonate has a molecular weight of at least 10,000 g/mol; the calcium lignin sulfonate has a water content of less than about 0.5 wt %; the effective amount is from about 1 wt % to about 20 wt % based upon the weight of the lubricating grease; the thickened base grease is obtained from a grease forming process or a lubricating paste; and the lubricating grease has a water solubility below about 3 wt %, as determined by a water wash out-test.