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:
Jun. 08, 2010
Filed:
Oct. 06, 2005
Katsuyuki Kito, Ibaraki, JP;
Nagayuki Takao, Ibaraki, JP;
Katsuyuki Kito, Ibaraki, JP;
Nagayuki Takao, Ibaraki, JP;
Hitachi Maxell, Ltd., Ibaraki-shi, Osaka, JP;
Abstract
An active energy ray-curable ink composition comprising a colorant, a monomer and a photopolymerization initiator, in which the monomer contains an acrylamide derivative in an amount of 10 to 90% by weight based on the whole weight of the ink composition, and the ink composition has a viscosity of 3 to 35 mPa·s at 25° C. The ink composition has a low viscosity without dilution by a diluent solvent, good storage stability, good pigment dispersibility when a pigment is used as a colorant and also good continuous ejection stability to a printing medium, has a good curing property at a low energy level such as a cumulative amount of light of 150 mJ/cmor less, and it can attain good printing quality on nonabsorbable printing medium and achieves good adhesion of printed images to the printing medium.