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:
Jul. 14, 1998
Filed:
Feb. 25, 1997
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 29 ; 347 87 ;
Abstract
A sealing mechanism for an ink-jet recording head provided with an acrylate copolymer obtained by crosslinking an acrylic copolymer with isocyanate, the acrylic copolymer being obtained by using at least 80 wt % of a total content of an alkyl acrylate having a OH group and/or an alkoxy alkyl acrylate having an OH group, and an acrylate having a side chain of an alkyl or alkoxy alkyl group having 4 to 9 carbon atoms, wherein the acrylate copolymer is substantially free of any polymer or a residual monomer having a molecular weight of 10,000 or less.