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. 25, 2003
Filed:
Feb. 16, 2000
Applicant:
Inventors:
Robert Hamilton McLoughlin, Wiltshire, GB;
Giovanni Gentilcore, Wiltshire, GB;
John Anthony Cook, Oxfordshire, GB;
Assignee:
Scimat Limited, , GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 6/00 ;
U.S. Cl.
CPC ...
H01M 6/00 ;
Abstract
Non-woven fabrics are disclosed comprising substantially unbonded fibers and vinyl monomers which are capable of reacting with an acid or a base to form a salt directly or indirectly by a reaction involving exposure to ultraviolet radiation while impregnated with a solution of the vinyl monomer copolymerized to the surface of the fibers. Laminates of these non-woven fabrics as well as electrochemical devices employing them as a separator, and methods of treating such non-woven fabrics are also disclosed.