B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/16
B41M 5/155 (2006.01) B41M 5/165 (2006.01)
Patent
CA 1270274
Abstract: The color-developing agent for pressure- sensitive recording wheet comprises the polyvalent-metal salt of carboxylated terpenphenol resin. The color- developing sheet containing the above color-developing agent provides excellent yellowing-resistance, superior color-developing ability and improved fastness of the colored image.
513072
Hasegawa Akira
Hata Kunio
Suzuki Mamoru
Umeda Hiroaki
Nippon Paper Industries Co. Ltd.
Smart & Biggar
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