国家/地区 中国（9）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 B01J（9）
IPC C01B032/198（9）
发明人 GUO H（2）
公开年 2021（3） 2020（2） 2023（2）
申请年 2020（3）  2022（2） 
专利权人

Synthesizing caprolactam comprises using catalyst to catalyze reaction raw material comprising cyclohexanone oxime to carry out Beckmann gas-phase rearrangement reaction to obtain caprolactam.

GUO Y, HAN M, DAI Y, KONG M, XU L, DING K, GUO H, WANG G

Preparing graphene oxide/chitosan/polyvinyl alcohol composite microsphere immobilized copper catalyst comprises e.g. adding graphene oxide into chitosan solution, ultra-sonicating, adding polyvinyl alcohol and glutaraldehyde, sonicating, adding copper(II) sulfate aqueous solution and reaction.

LI W, LI B, FU C, ZHU L, HU X, GUO H, ZHANG Y

Preparing composite catalyst for production of dioctyl terephthalate, involves immersing loose and porous gamma-aluminum oxide core in alcohol solution of tetraisopropyl titanate and graphene oxide, immersing, evaporating to remove alcohol.

CAO Z, FENG L, YAN Q, HUANG Y, YAN W

Phosphine compound, prepared by adding phosphorus trichloride, sublimed sulfur, aluminum trichloride, reactant, and tetrahydrofuran into reaction kettle, stirring, adding catalyst, heating and carrying out reflux reaction.

BAO Y, WENG S

Extracting purified phospholipid from clam comprises e.g. collecting clam tissue, using high speed dispersion machine to homogenizing, then drying into clam powder, using chloroform methanol ultrasonic processing and extracting crude lipid.

SHEN Q, SONG G, WANG P, ZHAO Q

Preparing graphene oxide supported ruthenium-based catalyst by preparing graphene oxide, adding ruthenium chloride trihydrate to water, adding graphene oxide, stirring, drying, roasting dried product and reducing metal with hydrogen gas.

YI S, MIN Y, LI K

Oxidizing naphthenes comprise contacting cycloalkane with catalyst under oxidation reaction conditions, allowing to stand, and measuring absorbance of the upper, middle and bottom graphene aqueous dispersions.

SHI C, OU E, XU W

Preparation of metal composite material used as catalyst, involves subjecting graphite flake to Hummers method to obtain graphene oxide dispersion, adding nickel source and reducing agent, processing with copper, and dispersing in water.

MA Y, JIANG X, YAN S

Manufacture of graphene balls involves preparing dispersion comprising graphene oxide, monosaccharide to polysaccharide reducing agent and specified amount of aqueous ammonia, and spray-drying resultant dispersion.

JANG H D, CHANG H K, CHOI J H, JANG H, CHANG H, CHOI J, ZHANG X