C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
42/16, 402/362
C08F 8/44 (2006.01) B41M 5/155 (2006.01)
Patent
CA 1336031
A reaction product of carboxylated terpenephenol resin, aromatic carboxylic acid and polyvalent metal compound is useful as a color-developing agent for pressure-sensitive recording sheet. The color-developing sheet containing the above color-developing agent provides an excellent color-developing speed and an improved image fastness against light.
553865
Hasegawa Akira
Hata Kunio
Suzuki Mamoru
Umeda Hiroaki
Nippon Paper Industries Co. Ltd.
Smart & Biggar
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