Color developer for pressure sensitive recording paper and produ

Details Color developer for pressure sensitive recording paper and produ Color developer for pressure sensitive recording paper and produ

1989-01-12

1990-04-24

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528160, C08G 828, C08G 832

Patent

active

049201867

ABSTRACT:
The present invention relates to a polyvalent metal-bound carboxyl-modified p-alkylphenol-mesitylene-formaldehyde resin composition produced by binding with a polyvalent metal a -alkylphenol-mesitylene-formaldehyde co-condensate containing a carboxyl group, to produce a color developer for pressure-sensitive recording paper.

REFERENCES:
patent: 4216299 (1980-08-01), Kikuga et al.
patent: 4216300 (1980-08-01), Kikuga et al.
patent: 4379897 (1983-04-01), Asano et al.
patent: 4400492 (1983-08-01), Asano et al.
patent: 4604436 (1986-08-01), Thorpe et al.
patent: 4612254 (1986-09-01), Ginter et al.

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