C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/06 (2006.01) C08G 63/89 (2006.01)
Patent
CA 2580605
The invention relates to processes for extracting polyhydroxyalkanoate from a biomass, comprising admixing the biomass with an organic solvent for from 1 second to 15 minutes at a first temperature of from 5~C below the melting point of the polyhydroxyalkanoate to 10~C above the melting point of the polyhydroxyalkanoate and at a pressure of from 1 bar to 10 bar to provide a composition comprising the organic solvent and polyhydroxyalkanoate.
L'invention concerne des procédés d'extraction d'un polyhydroxyalkanoate d'une biomasse. Ce procédé consiste à mélanger, pendant 1s à 15 min, la biomasse à un solvant organique à une première température comprise entre au moins 5 °C en dessous du point de fusion du polyhydroxyalkanoate et 10 °C au dessus du point de fusion du polyhydroxyalkanoate, et à une pression comprise entre 1 et 10 bar pour obtenir une composition qui renferme ledit solvant organique et le polyhydroxyalkanoate.
Cearley Angella Christine
Gibson Michael Steven
Narasimhan Karunakaran
Noda Isao
Satkowski Michael Matthew
Dimock Stratton Llp
The Procter And Gamble Company
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