国家/地区 中国（77）
IPC部 B（77）
IPC大类 B01（77）
IPC小类 B01J（77）
IPC B01J027/24（17） B01J021/18（11） B01J035/10（11）
B01J035/00（9） B01J037/08（9） B01J037/02（8）
B01J027/224（6） C07D307/68（6） B01J023/44（5）
B01J031/22（5） C07C017/20（5） C07C019/10（5）
B01J023/745（4） B01J023/755（4） B01J023/89（4）
发明人 CHEN G（9） SUN Q（9） ZHENG L（8）
ZONG B（8） WANG G（7） DU Z（6）
LI J（6） WANG Y（6） ZHANG C（6）
DAI Y（5） GUO H（5） LI Y（5）
LIU X（5） DING K（4） HAN M（4）
公开年 2023（77）
申请年 2022（46）  2023（17）  2021（14） 
专利权人 CHINA PETROL.（13） RES INST PET.（8） BEIJING YUJI.（4） JIANGSU YANG.（4）
QUANZHOU YUJ.（4） UNIV ZHEJIAN.（4） WANHUA CHEM .（4） CHINA PETROL.（3）
UNIV LIAONIN.（3） BEIJING RES .（2） CAS DALIAN C.（2） CHANGSHU 3F .（2）
SHANGHAI HUA.（2） UNIV NANJING.（2） UNIV TIANJIN（2） WEIFANG HONG.（2）

Synthesizing diethyl oxalate comprises e.g. placing oxalic acid, ethanol, toluene and catalytic adsorption solid material into the reactor and mixing, gradually heating the reactor from room temperature, and heating the esterification mixture.

ZHANG X

Core-shell structure allyl acetate catalyst useful for preparing allyl acetate, comprisese.g. vanadium carbide, and palladium, gold, or copper coating and sodium acetate and/or potassium acetate which are sequentially coated on outer surface of carrier.

KONG D, BU L, YANG Z, WANG L, YIN L, YANG T, HE C, XU Q

Preparing aluminum fluoride/wave absorbing material composite catalyst useful in fluorine-chlorine exchange reaction of chloroform and fluoalkane, comprises ball milling and mixing and roasting aluminum fluoride and wave absorbing material.

WEI X, WANG C, YU H, ZHANG J, LIU W, ZHOU F, HAN W, WANG S

Preparing a supported cobalt-based catalyst useful in the hydrogenation reaction of carbon monoxide, comprises e.g. mixing two soluble salts and auxiliary agents with solvent to prepare impregnating solution, impregnating the carrier, drying to prepare semi-dry base catalyst precursor and roasting.

DONG W, GONG L, LU W, LI Y, ZHU H, ZHAO Z, DING Y

Preparing structure-controllable graphene shell encapsulation nickel nanoparticle catalyst in applying in catalytic hydrogenation reaction of p-chloronitrobenzene, o-chloronitrobenzene or p-bromonitrobenzene, involves reacting nickel salt and organic ligand dissolved in mixed organic solvent.

LI X, YU J, HE W, LU C

Preparing beta-apo-8'-carotene acid ethyl ester, comprises adding decacarbon dialdehyde, C5 phosphine salt, C15 phosphine salt and bimetallic supported catalyst into reaction flask under nitrogen atmosphere, and slowly adding alkali solution dropwise after certain period of reaction.

ZHANG T, YANG Z, XUE A, SHEN H, WANG L, WANG J

Preparing high-purity m-xylene comprises e.g. contacting the mixed xylene with the adsorbent, discharging the raffinate, then contacting the desorbent with the adsorbed adsorbent, mixing the first part of m-xylene with the second part of m-xylene, cooling, crystallizing, and washing.

XIE P, YAN C, MENG L, FANG X, PAN Y, LI Z, XU X, LIU X

High strength polysaccharide-inorganic nanoparticle composite column is prepared by adding different inorganic nano-particles, transferring obtained emulsion to stainless steel or glass column pipe with rubber plug at one end by injector, and utilizing peristaltic pump to circulate mixed solution.

LI J, LI Y, QU J

Supported diatomic catalyst useful in selective hydrogenation of aromatic nitro compounds, comprises noble metal and non-noble metal; and carrier.

LIANG S, SUN S, REN Y, YANG M

Preparation of ethyl pyruvate by using ethyl lactate as raw material under catalysis of potassium-doped graphene phase carbon nitride, using white LED lamp as light source, carrying out open reaction and using normal pressure air to oxidize ethyl lactate to ethyl pyruvate.

TONG M, LIU S, LONG Z