Heat transfer medium

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United States of America Patent

PATENT NO 4840837
SERIAL NO

07214067

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A heat transfer medium composed of a base material having thereon in order outwardly from the base material; (a) a colorless or light color heat-fusible transfer layer (A) containing from about 55 to 95 wt % of a wax and from about 5 to 45 wt % of a thermoplastic resin compatible with the wax, based on the whole amount of layer (A); and (b) a heat-softenable ink layer (B) containing from about 50 to 90 wt % of a thermoplastic resin incompatible with the wax in the layer (A) and having adhesion upon heating, from about 3 to 30 wt % of a heat-fusible lubricant, and a coloring material, based on the whole amount of layer (B); the viscosity of layer (A) being from about 100 c.p. to 1,000 c.p. at a temperature 20.degree. C. higher than the melting point of layer (A) shown by a differential scanning calorimeter. The heat transfer medium provides transferred images excellent in rubbing resistance and distinctness.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA PILOT CORPORATION (ALSO TRADING AS PILOT CORPORATION)6-21 KYOBASHI 2-CHOME CHUO-KU TOKYO 1048304 ?1048304

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kikuchi, Keiichi Kanagawa, JP 7 9
Koyama, Satoshi Kanagawa, JP 43 221
Tanaka, Noriatsu Kanagawa, JP 7 97
Tanaka, Tsuyoshi Kanagawa, JP 297 6739
Tokunaga, Masami Kanagawa, JP 3 17

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