Ternary mixture of biodegradable polyesters and products...

Details Ternary mixture of biodegradable polyesters and products... Ternary mixture of biodegradable polyesters and products...

2005-01-11

2005-01-11

Yoon, Tae H. (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C525S444000, C525S450000, C528S302000, C528S354000, C528S361000, C428S480000

Reexamination Certificate

active

06841597

ABSTRACT:
The invention relates to a mixture of biodegradable polyesters comprising: (A) a polyhydroxy acid of the poly-ε-caprolactone type and its copolymers, (B) aliphatic polyester, and (C) a polymer of polylactic acid, in which the concentration of (A) varies with respect to (A+B) in the range between 40 and 70% by weight, and the concentration of (C) with respects to (A+B+C) lies between 2 and 30%.

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