Patent ID: 11884632
Assignee: ZHEJIANG HENGYI PETROCHEMICAL RESEARCH INSTITUTE CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 1:
2. The method of claim 1, wherein the cyclohexanone oxime in step (1) accounts for 20-50 wt % of the sum of cyclohexanone oxime and ethanol; and/or
the reaction in step (1) is performed in the presence of ethanol and water, wherein water accounts for 0.1-3 wt % of the total amount of water, ethanol and cyclohexanone oxime; and/or
an inert gas is used as a carrier gas in the reaction of step (1), and the molar ratio of the inert gas relative to cyclohexanone oxime is 0.5-50:1.