Liquid-melt aliphatic dicarboxylic acids

Details Liquid-melt aliphatic dicarboxylic acids Liquid-melt aliphatic dicarboxylic acids

1994-03-04

1995-04-11

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528170, 528183, 528185, 528188, 528289, 528322, 528323, 528353, 564153, 564160, C08G 7310, C08G 7316, C07C23300

Patent

active

054059364

ABSTRACT:
Liquid-melt aliphatic dicarboxylic acids tend to undergo undesirable discoloration during prolonged storage. The discoloration can be avoided by an addition of 0.1 to 3.0% by weight of a primary amine.

REFERENCES:
patent: 3856791 (1974-12-01), Daniher et al.
patent: 3910847 (1975-10-01), Thompson
patent: 3969253 (1976-07-01), Poklacki
patent: 5091572 (1992-02-01), Speranza et al.
patent: 5097070 (1992-03-01), Lin et al.
patent: 5138097 (1992-08-01), Speranza et al.
patent: 5139706 (1992-08-01), Speranza et al.
patent: 5324812 (1994-06-01), Speranza et al.

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