C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 305/14 (2006.01) B01D 1/00 (2006.01) B01D 3/00 (2006.01)
Patent
CA 2647564
The present invention is related to a thermal extract of a plant material and methods of extraction thereof. The method of producing a thermal extract from a plant starting material by means of a thermal extraction of the starting material wherein the improvement consists in requiring smaller amounts of costly and/or toxic organic solvents for the extraction and partitioning steps.
La présente invention concerne un extrait thermique d'une matière végétale et des procédés d'extraction de celui-ci. Le procédé de production d'un extrait thermique à partir d'une matière de départ végétale par extraction thermique de celle-ci est amélioré du fait que ses besoins en solvants organiques coûteux et/ou toxiques pour les étapes d'extraction et de fractionnement sont réduits.
Boulard David
Freel Barry
Graham Robert G.
Pharmatherm Chemicals Inc.
Smart & Biggar
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