B - Operations – Transporting – 27 – L
Patent
B - Operations, Transporting
27
L
B27L 11/02 (2006.01) B07B 4/08 (2006.01) C07J 63/00 (2006.01)
Patent
CA 2381967
The invention provides methods for separating outer birch bark from inner birch bark. The invention also provides methods for isolating betulin; lupeol; betulinic acid; 9,10-epoxy-18-hydroxyoctadecanoic acid; 9,10,18-trihydroxyoctadecanoic acid; polyphenolic polymers and fatty acids from birch bark.
La présente invention concerne des procédés qui permettent de séparer l'écorce extérieure de l'écorce intérieure d'un bouleau. Cette invention concerne également des procédés permettant d'isoler, à partir de l'écorce de bouleau, de la bétuline; du lupéol; de l'acide bétulinique; du 9,10-époxy-18-acide hydroxyoctadécanoïque; du 9,10,18-acide trihydroxyoctadécanoïque; des polymères phénoliques et des acides gras.
Carlson Robert M.
Edwardson Chris F.
Kolomitsyn Igor V.
Krasutsky Pavel A.
Nesterenko Vitaliy V.
Goudreau Gage Dubuc
Regents Of The University Of Minnesota
LandOfFree
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