Method for producing polyhydroxyalkanoate crystal

Details Method for producing polyhydroxyalkanoate crystal Method for producing polyhydroxyalkanoate crystal

2006-12-26

2006-12-26

Boykin, Terressa (Department: 1711)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C528S191000, C528S495000, C528S499000

Reexamination Certificate

active

07153928

ABSTRACT:
The present invention provides a method for easily obtaining a biodegradable polyhydroxyalkanoate by a solvent extraction method. A method for producing a polyhydroxyalkanoate crystal comprises mixing a solution of a polyhydroxyalkanoate in a good solvent with a poor solvent at 50 to 130° C. to precipitate a polyhydroxyalkanoate.

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