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:
Nov. 16, 1993
Filed:
May. 20, 1992
Applicant:
Inventors:
Frank Erickson, Seattle, WA (US);
David L Folkins, Seattle, WA (US);
Assignee:
International Lubricants, Inc., Seattle, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 49003 ; 252 49008 ; 252 / ;
Abstract
There is disclosed a dry film lubricant for use in metal stamping, fabricating and forming operations. The dry film lubricant comprises a wax component suspended in an aqueous solvent. The wax component comprises a saturated wax ester having a carbon chain length from about 28 to about 44 carbons atoms in length surrounding an ester bond. The unsaturated component comprises a phosphite adduct friction modifier and an unsaturated vegetable oil or modified unsaturated vegetable oil.