Substituted aromatic polyesters

Details Substituted aromatic polyesters Substituted aromatic polyesters

1988-05-31

1989-05-30

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525437, 528182, 528271, C08G 6318

Patent

active

048352446

ABSTRACT:
This invention relates to polyesters corresponding to formula (I) ##STR1## wherein R.sup.1 and R.sup.2 stand for --CH.sub.2 --CH.sub.2 --Ar wherein Ar denotes an aromatic group or one of these two groups is --CH.sub.2 --CH.sub.2 --Ar while the other is an alkyl group, a substituted alkyl or an aryl group or halogen and

REFERENCES:
patent: 4764583 (1988-08-01), Fukui et al.
patent: 4767830 (1988-08-01), Kageyama et al.

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