C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
260/217.3
C08B 11/08 (2006.01)
Patent
CA 1087177
PROCESS FOR THE SYNTHESIS OF HYDROXYETHYL CELLULOSE WITH IMPROVED RESISTANCE TO ENZYME CATALYZED HYDROLYSIS ABSTRACT OF THE DISCLOSURE A process for the synthesis of hydroxyethyl cellulose having improved resistance to enzyme catalyzed hydrolysis is provided by employment of a controlled, optimum amount of available water for swelling the cellulose in aqueous caustic reaction medium in hydroxy ethoxylation sequences of first high and then low ratios of caustic:cellulose. S P E C I F I C A T I O N -1-
289615
Glass Joseph E. Jr.
Lowther Roy G.
Hopley William G.
Union Carbide Corporation
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