Novel clay mineral color developer for pressure sensitive record

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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282 275, 427150, 427152, 428446, C09D 1100

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active

044053711

ABSTRACT:
A color developer for pressure-sensitive recording paper which is derived from a clay mineral having a layer-structure composed of regular tetrahedrons of silica and which shows

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patent: 4071646 (1978-01-01), Williams
patent: 4164476 (1979-08-01), Watanabe et al.
patent: 4329257 (1982-05-01), Sommer et al.

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