Linear copolyesters of isophthalic acid 4,4'-sulfonyldibenzoic a

Details Linear copolyesters of isophthalic acid 4,4'-sulfonyldibenzoic a Linear copolyesters of isophthalic acid 4,4'-sulfonyldibenzoic a

1976-05-27

1978-09-19

Lee, Lester L.

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

Synthetic resins

From carboxylic acid or derivative thereof

C08G 6318, C08G 6366, C08G 6368

Patent

active

041153634

ABSTRACT:
Linear copolyesters are contemplated having the following repeating units: ##STR1## and ##STR2## and --O--CH.sub.2 --CH.sub.2 --O-- in their backbone structure. These polyesters have utility in the packaging industry for packaging various comestibles.

REFERENCES:
patent: 2593411 (1952-04-01), Caldwell
patent: 2973339 (1961-02-01), Muenster et al.
patent: 3536665 (1970-10-01), Pietrusza et al.
patent: 3787526 (1974-01-01), Burns et al.
patent: 3972852 (1976-08-01), Inata et al.

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