B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/16
B41M 5/155 (2006.01)
Patent
CA 1329985
Abstract of the Disclosure Disclosed is a color developer for a pressure sensitive recording paper, which comprises an acid- treated smectite clay mineral having a specific chemical composition, an X-ray diffraction pattern peculiar to dioctahedral smectite, a specific solid NMR spectrum and a specific cation exchange capacity. This color developer shows a high whiteness, a high initial color density, excellent light resistance and weatherability, and a low viscosity.
611522
Abe Kiyoshi
Inoue Hiroo
Ogawa Masahide
Saito Mitsuo
Sato Teiji
Mizusawa Industrial Chemicals Ltd.
Smart & Biggar
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