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. 29, 2011
Filed:
Dec. 14, 2005
Toshihiko Oguchi, Koza-gun, JP;
Shozo Murata, Koza-gun, JP;
Toshihiko Oguchi, Koza-gun, JP;
Shozo Murata, Koza-gun, JP;
Morimura Chemicals Ltd., Koza-gun, JP;
Abstract
A printing ink composition that not only exerts an excellent anti-blocking effect but also is free from any hickey phenomenon, resolving the problems of form plate stain, blanket stain, etc. There are provided a printing ink composition wherein there are dispersed composite particles having a volume-average particle diameter of 2 to 8 μm in which the volume content of solid polymer particles having a particle diameter of larger than 10 μm is not larger than 5 vol. % or less. Each of the composite particles (A) comprises a solid polymer particle (B), such as wax, insoluble in the printing ink, and inorganic microparticles (C) mainly adhered to the periphery of the solid polymer particle (B) and having an average particle diameter of 5 to 1000 nm.