Stock material or miscellaneous articles – Composite – Of polyester
Patent
1976-11-26
1978-11-14
Ives, P. C.
Stock material or miscellaneous articles
Composite
Of polyester
428512, 428514, 428518, 428517, 428521, 428520, 428523, 428522, 428307, 428478, 428477, 428488, 282 275, 106137, B32B 2706, B32B 2308, B32B 2310, B41M 516
Patent
active
041256751
ABSTRACT:
A color developer sheet sensitized in a color developing property on contact with a chromogenic material and improved in the light-resistance of the developed color, which comprises a support sheet and a coating composition comprising an organic color developer and, as a binder, a latex of a copolymer prepared by polymerization of a mixture essentially consisting of about 20 to 70% by weight of one or more aliphatic conjugated diolefin monomers, about 0.5 to 15% by weight of one or more unsaturated carboxylic acid monomers and about 15 to 79.5% by weight of one or more other olefin monomers copolymerizable with them and having a gel content of about 95 to 100% by weight applied onto a surface of the said support sheet to make a color developer layer.
REFERENCES:
patent: 3164484 (1965-01-01), Lazzarini
patent: 3297615 (1967-01-01), Frazier et al.
patent: 3365410 (1968-01-01), Wesslau et al.
patent: 3697323 (1972-10-01), Brown, Jr. et al.
patent: 3779800 (1973-12-01), Heiser
patent: 3955026 (1976-05-01), Matsukawa et al.
Ishikawa Tetsuo
Izaki Nobujiro
Matsumoto Kojiro
Mishiba Saburo
Sekiguchi Sadao
Ives P. C.
Sumitomo Naugatuck Co. Ltd.
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