C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/28 (2006.01) C08B 37/00 (2006.01) C08H 1/00 (2006.01) C08L 5/00 (2006.01) C08L 89/00 (2006.01)
Patent
CA 2440863
Disclosed is a method for modifying naturally occuring biocompatible biopolymers of plant and animal origin by subjecting same to ionizing radiation in the presence of a mediating gas, typically acetylene to enable one to selectively enhance and modify one or more of the physiochemical properties of the starting materials which have a wide range of uses in medicine, food technology and other industrial applications. Notwithstanding the modifications, the biocompatibility of the biopolymer remains unchanged and no new or additional functional groups are introduced into the starting biopolymer.
L'invention concerne un procédé permettant de modifier des biopolymères biocompatibles naturels d'origine animale ou végétale, en soumettant ces biopolymères au rayonnement ionisant en présence d'un gaz de médiation, typiquement de l'acétylène, pour permettre que soit renforcée ou modifiée de façon sélective au moins une des propriétés physico-chimiques des matériaux de départ, lesquels permettent une large gamme d'utilisations en médecine, en technologie alimentaire et dans d'autres applications industrielles. Malgré les modifications, la biocompatibilité du biopolymère reste inchangée et aucun groupement fonctionnel nouveau ou supplémentaire n'est introduit dans le biopolymère de départ.
Al-Assaf Saphwan
Du Plessis Tiaart Andries
Phillips Glyn Owen
Williams Peter Anthony
Oyen Wiggs Green & Mutala Llp
Philips Hydrocolloids Research Limited
San-Ei Gen F.f.i. Inc.
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