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. 13, 2001
Filed:
Jun. 22, 1993
Applicant:
Inventors:
Miyuki Matsubara, Tokyo, JP;
Tokuya Ohta, Yokohama, JP;
Masahiro Chiba, Machida, JP;
Tomomi Kaneko, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/00 ;
U.S. Cl.
CPC ...
B41M 5/00 ;
Abstract
Disclosed herein is a recording medium comprising a base material, the surface of which is coated with a composition comprising, as an essential component, a polymer having a weight average molecular weight of not less than 20,000 which is obtained by reacting a polyvalent carboxylic acid, or anhydride or lower alkyl ester thereof with a polyhydroxyl compound having a weight average molecular weight of not less than 1,000 obtained by adding ethylene oxide and/or propylene oxide to a compound having 2 to 4 active hydrogen atoms.