国家/地区 中国（10）
IPC部 C（8） B（7）
IPC大类 B01（6） C07（4） C01（2）
IPC小类 B01J（6） C07D（4） C01B（2）
IPC B01J023/42（4） B01J023/44（4） B01J023/46（4）
C07D307/68（4）
发明人 ZHENG L（10）
公开年 2021（7） 2020（2）
申请年 2019（10）
专利权人 CHINA PETROL.（4） SINOPEC RES .（4） CHINA PETROL.（3）

Use of volatile small molecule compounds in preparation of suspended two-dimensional material films by clean transfer for transmission electron microscopy carrier network, high-resolution structure analysis of single particles, or high-resolution single-atom imaging.

PENG H, ZHENG L

Method for preparing gas diffusion layer for proton exchange membrane fuel cell, involves making gas diffusion layer by filling pores of porous framework with microporous layer slurry.

HOU M, CHEN H, AI J, ZHENG L, SHAO Z

Preparing furoic acid comprises contacting aqueous solution of furfural with catalyst under air and/or oxygen conditions and carrying out catalytic oxidation reaction.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing furoic acid comprises e.g. adding aqueous solution of furfural and catalyst, carrying out catalytic oxidation reaction to obtain furoic acid, and catalyst is obtained by mixing front carrier and basic nitrogen-containing compound.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing 5-hydroxymethyl furoic acid, comprises contacting aqueous solution of 5-hydroxymethyl furfural with catalyst under air and/or oxygen conditions, and carrying out catalytic oxidation reaction.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing 5-hydroxymethyl furoic acid comprises placing 5-hydroxymethyl furfural and catalyst in mixed solution of water and organic solvent under air and/or oxygen conditions, and carrying out catalytic oxidation reaction.

ZHENG L, SUN Q, DU Z, ZONG B

Composite material of nano-zinc oxide and reduced graphene oxide for electrochemical detection of dopamine is prepared by pretreating nano-zinc oxide, mixing with reduced graphene oxide suspension, dripping on gold electrode and drying.

XU X, CAO M, ZHENG L

Preparation of graphene oxide-enhanced water-absorbing swellable rubber involves taking and ultrasonically dispersing graphene oxide in deionized water, and mixing graphene oxide/rubber masterbatch.

WEN S, SU Y, ZHENG L, LIU L

Adsorption material used for purifying flue gas from sludge incineration, has a three-layer structure, which is a biomass graphene layer, a non-woven fabric layer, and a mixed material layer, respectively.

LIU J, XIE W, ZHENG L, TANG X, CHEN Z, DING Z

Preparing graphene-based photocomposite catalyst useful for degrading organic pollutants in a water body, comprises e.g. heating zirconium dioxide in a mixed gas atmosphere, calcining, dispersing, centrifuging, washing and drying.

WU M, YAN X, LI S, ZHENG L, ZOU J