C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 7/62 (2006.01) C08G 63/89 (2006.01)
Patent
CA 2499607
A method by which particles of a poly-3-hydroxyalkanoic acid are coagulated to increase the particle size. The method of coagulating a poly-3-hydroxyalkanoic acid comprises suspending poly-3-hydroxyalkanoic acid particles in a hydrophilic solvent or a liquid mixture of water and a hydrophilic solvent and stirring the suspension at a temperature not higher than the boiling point of the suspension.
L'invention concerne une méthode de coagulation des particules d'un acide poly-3-hydroxyalcanoïque pour augmenter la dimension des particules. Cette méthode consiste à former une suspension des particules de l'acide poly-3-hydroxyalcanoïque dans un solvant hydrophile ou un mélange liquide d'eau et d'un solvant hydrophile; puis à agiter la suspension à une température n'excédant pas le point d'ébullition de la suspension.
Matsumoto Keiji
Miyamoto Kenji
Ogawa Noriko
Osakada Fumio
Kaneka Corporation
Riches Mckenzie & Herbert Llp
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