国家/地区 中国（18） 世界知识产权组织（7） 美国（5） 欧洲专利局（EPO）（3） 韩国（3） 印度（2） 日本（2）
IPC部 B（21）
IPC大类 C01（21）
IPC小类 C01B（21）
IPC C01B032/198（21）
发明人 GUO H（2） WANG L（2）
公开年 2021（5） 2023（4） 2016（3） 2013（2） 2018（2） 2019（2） 2020（2）
申请年 2022（4）  2020（3）  2021（3）  2016（2）  2018（2）  2019（2） 
专利权人

Performing selective oxidation of propylene glycol to hydroxyacetone through liquid phase oxidation involves using copper-infused sulfated zirconium oxide nanoparticles supported on reduced graphene oxide catalyst.

MANGESH V, TAMIZHDURAI P

Preparation of double-layer polymer modified graphene material used in separation and enrichment of glycoprotein, involves mixing e.g. hydrophilic polymer and solvent for electrostatic adsorption, and mixing obtained material with hyaluronic acid buffer salt solution for electrostatic adsorption.

GUAN S, LI H, YU J, PENG J, WANG L, DONG P, ZHAO Y

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

Continuously producing silazane comprises adding normal-hexane, saturating and passing ammonia gas, dripping trimethylsilyl chloride, adding reaction solution into sodium hydroxide aqueous solution, washing obtained upper layer liquid with hot water and separating organic layer.

ZHANG W

Porphyrin phthalocyanine covalent bifunctional graphene nonlinear nano-hybrid material prepared by e.g. bonding porphyrin and phthalocyanine to surface of graphene through radical addition reaction, adding n-hexyl mercaptan and reacting with monoaminoporphyrin and isoamyl nitrite.

WU C, FU L, ZHANG C

Preparation of organic-organic composite carbonaceous nanoplate used for graphene oxide, involves dissolving glucose and aromatic compound containing hydroxyl group, and hydrogen can be optionally substituted with amino group, carboxyl group, or alkyl, and heating aqueous solution.

LEE H H, KIM Y H, SONG H L, LEE J H, HO L J

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