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. 24, 1998
Filed:
Sep. 17, 1996
Applicant:
Inventors:
Mark W Grenfell, Woodbury, MN (US);
Dean S Milbrath, Stillwater, MN (US);
Daniel D Krueger, Stillwater, MN (US);
Richard M Flynn, Mahtomedi, MN (US);
Frederick E Behr, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
72 42 ; 72 40 ; 508208 ; 508182 ; 508207 ; 508406 ; 252 52 ; 252171 ; 260611 ; 510410 ; 510411 ;
Abstract
In one aspect, this invention provides a lubricating and colling composition for the forming of metals comprising a hydrofluoroether. In another aspect, the present invention provides a method of forming metals comprising applying to the metal and the workpiece a composition comprising a hydrofluoroether.