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. 04, 1997
Filed:
Mar. 08, 1996
Applicant:
Inventors:
Masahiro Shinkai, Chiba, JP;
Kenryo Namba, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
43027011 ; 430945 ; 347105 ;
Abstract
A printable member comprising a substrate and a surface layer thereon is provided. The surface layer is a radiation cured coating comprising a compound having a quaternary ammonium salt group having three alkyl groups and a compound having a carboxyl group. The three alkyl groups contain at least 4 carbon atoms in total. At least one compound is a monomer having an ethylenically unsaturated reactive group. The surface layer is printable with an ink containing a water soluble dye and improved in quick drying and water resistance.