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:
Sep. 06, 2005
Filed:
May. 03, 2002
Brian C. Eastin, Woodbury, MN (US);
Katherine A. Graham, Roseville, MN (US);
Tony B. Hollobaugh, Jacksonville, FL (US);
James A. Mcdonell, Woodbury, MN (US);
Jeffrey J. Missling, Mound, MN (US);
John R. Wheeler, Oakdale, MN (US);
Brian C. Eastin, Woodbury, MN (US);
Katherine A. Graham, Roseville, MN (US);
Tony B. Hollobaugh, Jacksonville, FL (US);
James A. McDonell, Woodbury, MN (US);
Jeffrey J. Missling, Mound, MN (US);
John R. Wheeler, Oakdale, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Described are methods of making electrodes for electrochemical systems, especially cathodes for lithium polymer batteries, and products prepared from the methods; the methods involve the use of a co-rotating, fully intermeshing twin screw extruder, the extrusion of essentially solvent-free systems, or both.