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:
Mar. 28, 1995
Filed:
Oct. 08, 1993
Applicant:
Inventors:
Dennis J Kalota, Fenton, MO (US);
Larry A Spickard, Chesterfield, MO (US);
Skippy H Ramsey, Fenton, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 493 ; 252 336 ; 252 / ; 72 42 ;
Abstract
There are disclosed novel water soluble metal working fluids comprising polyaspartic acid and salts thereof useful as a lubricant in process to cut, bend, grind and shape both ferrous and non-ferrous metal. The polyaspartic acid and salts thereof are particularly advantageous in that the fluids can be easily disposed of after use with special treatment because polyaspartic acid and salts thereof are readily biodegradable.