ULTRAVIOLET RAY CURABLE INK COMPOSITION FOR USE IN INK JET METHOD AND RECORDED OBJECT

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United States of America Patent

SERIAL NO

15060061

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Abstract

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An ultraviolet ray curable ink composition is provided. The ultraviolet ray curable ink composition contains a polymerizable compound; and an aluminum pigment subjected to a surface treatment with a phosphate compound. The aluminum pigment subjected to the surface treatment with the phosphate compound is subjected to an X-ray photoelectron spectrometer to obtain an X-ray photoelectron spectrum having a wave form. Thereafter, when a waveform separation was performed by using a Voigt function in such an X-ray photoelectron spectrum, the X-ray photoelectron spectrum has peaks in the rage of 190 eV or more but 192 eV or less. A printed object is also provided. The printed object is produced by applying the ultraviolet ray curable ink composition onto a recording medium, and then irradiating the ultraviolet ray curable ink composition with an ultraviolet ray.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATION1-6 SHINJUKU 4-CHOME SHINJUKU-KU TOKYO 160-8801

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirata, Koki Matsumoto-shi, JP 35 206
Kuribayashi, Homare Matsumoto-shi, JP 14 46
Ogawa, Tomohiro Okaya-shi, JP 114 465
Shibatani, Masaya Matsumoto-shi, JP 60 363
Terada, Masaru Suwa-shi, JP 30 76
Toyoda, Naoyuki Suwa-shi, JP 112 485

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