C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
260/217
C08B 11/20 (2006.01)
Patent
CA 1127635
Hoe 79/K 015 PROCESS FOR REDUCING THE VISCOSITY OF CELLULOSE ETHERS BY MEANS OF OZONE AND APPLICATION THEREOF Abstract of the Disclosure This invention relates to a process for reducing the viscosity of cellulose ethers by reacting a water-soluble cellulose ether with ozone in the presence of water, wherein said cellulose ether which is moist with water and has a dry content of from 20 to 95% by weight is reacted with an ozone/oxygen mixture or with an ozone/air mixture at a temperature of about 0 to 60° C.
349807
Holst Arno
Perplies Eberhard
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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