Method for producing polyhydroxyalkanoate

Details Method for producing polyhydroxyalkanoate Method for producing polyhydroxyalkanoate

C - Chemistry, Metallurgy

12

P

C12P 7/62 (2006.01) C12N 15/09 (2006.01)

Patent

CA 2555976

A process for easily producing a biodegradable polyhydroxyalkanoate according to a solvent extraction technique without inviting of a substantial decrease of molecular weight. There is provided a process for producing polyhydroxyalkanoate, characterized in that polyhydroxyalkanoate is extracted from a polyhydroxyalkanoate-containing biomass of 5 wt.% or less water content with the use of an extraction solvent, crystallized and recovered.

Un processus permettant de produire aisément un polyhydroxyalkanoate biodégradable, selon une technique d'extraction de solvant, qui ne produit aucune diminution substantielle de la masse moléculaire. Fourniture d'un processus permettant de produire du polyhydroxyalkanoate, caractérisé par le fait que le polyhydroxyalkanoate est extrait d'une biomasse contenant du polyhydroxyalkanoate, avec 5 wt.% ou moins de contenu en eau, et l'utilisation d'un solvant d'extraction, cristallisé et récupéré.

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