Biodegradable saturated/unsaturated thermoplastic polyesters

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

Reexamination Certificate

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Details

C428S373000, C528S272000, C528S294000, C528S354000, C528S361000

Reexamination Certificate

active

10968949

ABSTRACT:
Biodegradable aliphatic thermoplastic copolyesters of the saturated-unsaturated type, utilizable for the production of several types of articles such as films, sheets, nets, expanded molded products, and the like, and process for their production.

REFERENCES:
patent: 5593778 (1997-01-01), Kondo et al.

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