Process for producing water-soluble dicarboxylic acid imide comp

Details Process for producing water-soluble dicarboxylic acid imide comp Process for producing water-soluble dicarboxylic acid imide comp

1984-10-05

1986-05-13

Ivy, C. Warren

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

Synthetic resins

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

5253296, 548413, 548415, 548461, 548513, 548545, 548546, 548547, 548548, 260101, C08F 2202, C08F 2204, C08F 2206

Patent

active

045887861

ABSTRACT:
A process for producing a water-soluble dicarboxylic acid imide compound which comprises adding a primary amine compound to an aqueous solution of a water-soluble salt of a dicarboxylic acid compound containing at least one dicarboxylic acid unit capable of forming a 5-membered cyclic acid imide linkage and heating the mixture to introduce an acid imide linkage into the molecule.

REFERENCES:
patent: 2182178 (1939-03-01), Pinkernelle
patent: 3004987 (1961-10-01), Paris
patent: 3163603 (1964-12-01), LeSuer
patent: 3789056 (1974-01-01), Pfirrmann
patent: 3910951 (1975-10-01), Fuerst
patent: 4124512 (1978-11-01), Stournas
patent: 4442260 (1984-04-01), Larsen

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