Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1992-12-11
1995-01-17
Hess, B. Hamilton
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
106 21R, 503212, 503216, 503225, 556 27, 556106, 556115, 556132, 556147, 560 57, 562468, B41M 5135, B41M 530, C07F 306, C09D 1100
Patent
active
053825608
ABSTRACT:
A color developer is provided comprising a polyvalent metal salt of a salicylic derivative. The salicylic derivative is made up of ring-substituted salicylic compounds having one, two and three styrene units bonded to salicylic core where at least 25% of the salicylic derivatives are polyvalent metal salts.
REFERENCES:
patent: 4748259 (1988-05-01), Nachbur
patent: 5274150 (1993-12-01), Tanabe et al.
Patent Abstracts of Japan, vol. 14, No. 311 (M-994) 4 Jul. 1990 and JP-A-02103176 (Mitsubishi Paper Mills Limited) *Abstract*.
Hisada Nobuo
Kotani Yasuo
Nishigakiuchi Yasushi
Ueno Yoshiyuki
Yagyu Tadao
Hess B. Hamilton
Sanyo Chemical Industries Ltd.
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