C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 31/04 (2006.01) C08B 33/02 (2006.01)
Patent
CA 2176732
A process for the uniform acylation of starch comprising preconditioning the starch with a base for at least six hours, adjusting the PH to a suitable range for acylation, adding the desired acylation agent and isolating the acylated starch. A continuous method for acylating starch is also described.
L'invention se rapporte à un procédé d'acylation homogène de l'amidon comprenant les étapes consistant à conditionner préalablement l'amidon avec une base pendant au moins six heures, à régler le pH pour qu'il se situe dans une plage de valeurs appropriée permettant l'acylation, à ajouter l'agent d'acylation voulu et à isoler l'amidon acylé. L'invention se rapporte également à un procédé d'acylation de l'amidon en continu.
Berger Bernhard
Nickel Gary B.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Parrish & Heimbecker Limited
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