Process for production of alkaline or alkaline-earth metal terep

Details Process for production of alkaline or alkaline-earth metal terep Process for production of alkaline or alkaline-earth metal terep

1992-01-29

1993-10-19

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

562480, 562485, C08G 6302, C07C 6314

Patent

active

052546667

ABSTRACT:
Production of alkali metal or alkaline-earth metal terephthalate by reaction of an alkali metal or alkaline-earth metal hydroxide with a polyol polyterephthalate, and optional conversion of the terephthalate into terephthalic acid.
The reaction is performed without addition of water or in the presence of an amount of water representing at most, by weight, the amount of polyterephthalate.
The invention is useful for the treatment of polyol polyterephthalate waste.

REFERENCES:
patent: 610135 (1948-10-01), Heath et al.
patent: 3873609 (1975-03-01), Wu et al.
patent: 3952053 (1976-04-01), Brown, Jr. et al.
patent: 3953502 (1976-04-01), Fassell et al.
patent: 4355175 (1982-10-01), Pusztaszeri

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