Polyvalent metal salt of salicyclic acid resin and process for p

Details Polyvalent metal salt of salicyclic acid resin and process for p Polyvalent metal salt of salicyclic acid resin and process for p

1994-12-13

1996-06-11

Dodson, Shelley A.

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

Synthetic resins

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

503210, 503211, 503212, 503216, 528205, 528206, 528392, C08G 8300

Patent

active

055256864

ABSTRACT:
A process for preparing a polyvalent metal salt of a salicylic acid resin which comprises the steps of reacting salicylic acid or its derivative with styrene or its derivative at a temperature of -20.degree. C. or higher but lower than 40.degree. C. in the presence of sulfuric acid, and then reacting the resulting reaction product with a polyvalent metal compound; an aqueous dispersion in which the polyvalent metal salt of the resin is dispersed in water; and a developing sheet in which the polyvalent metal salt of the salicylic acid resin is used.

REFERENCES:
patent: 3983292 (1976-09-01), Saito et al.
patent: 4748259 (1988-05-01), Nachbur
patent: 4929710 (1990-05-01), Scholl et al.
patent: 4952648 (1990-08-01), Yamaguchi et al.

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