国家/地区 中国（3）
IPC部 B（4） C（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D061/14（4）
发明人
公开年
申请年 2021（2） 
专利权人

Process for 5-hydroxymethyl ether formation involves using ionic liquid catalyst of fructose in corresponding alcohol and adding to N,N-dimethylacetamide methanesulfonate, refluxing reaction mixture, cooling and isolating desired ether product under reduced pressure and reusing recovered alcohol.

DUTTA S

Preparation of p-nitrophenol comprising adding p-nitrochlorobenzene and aqueous sodium hydroxide solution, stirring, raising temperature, adding sulfuric acid solution to obtain reaction solution, separating oil layer by oil-water separation and subjecting oil layer to ultrafiltration.

CAO M, YAO X, XIONG G, HUANG Z, GUO X, CHEN Y, CHEN B

Preparing 5-chloro-4-acetamido-2-methoxy methyl benzoate involves adding N,N-dimethylformamide, methyl 4-acetamido-2-methoxybenzoate, and N-chlorosuccinimide into reaction kettle to obtain reaction solution, and keeping it in ice-water bath.

WANG J, WANG T

Preparing silver-halloysite-polyvinyl alcohol containing ultrafiltration membrane used in separation of bovine serum albumin, involves dispersing graphene oxide in ethanol solution, and heating.

WANG F, LU M, TU W, ZHAO J, FAN Y, YANG H