国家/地区 中国（10）
IPC部 C（12）
IPC大类 C07（12）
IPC小类 C07D（12）
IPC B01J035/10（6） C07D307/68（5） B01J021/18（3）
B01J023/42（2） B01J023/46（2） B01J023/644（2）
B01J027/185（2） B01J027/198（2） C07D307/46（2）
发明人 CHEN G（7） SUN Q（7） ZHENG L（7）
ZONG B（7） DU Z（5） RONG J（4）
ZHAO H（4） LIU Y（2）
公开年 2023（12）
申请年 2021（12）
专利权人 CHINA PETROL.（10） RES INST PET.（7） CHINA PETROL.（2）

New vinyldisiloxane compounds used to prepare elastomeric polymer in non-vulcanized polymer composition which is used in article e.g. tire, tire tread, tire side wall, tire carcass, belt, gasket, seal, footwear component, golf ball or hose.

ROESSLE M, THIELE S

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

Catalyst for producing pyromellitic dianhydride from durene comprises carrier and active component loaded on carrier, where active component contains vanadium oxide, optionally phosphorus compounds, cesium compounds, auxiliary agent, heat conducting material and titanium dioxide.

ZHANG Z, ZHANG D, SHI H, YUAN B, LIU Y, AN X

N-butane oxidation catalyst useful in reaction of n-butane oxidation to maleic anhydride, comprises composite oxide of vanadium and phosphorus.

CHEN B, CHEN L, ZENG W, GU L, FENG B

Preparing furoic acid involves reacting furfural with oxygen to obtain the furoic acid, in aqueous solution and in presence of oxidation catalyst, oxidation catalyst is supported catalyst containing bismuth and noble metal, oxygen is derived from pure oxygen or air.

ZONG B, CHEN G, ZHENG L, SUN Q

Preparing 2,5-furandicarboxylic acid comprises reacting 5-hydroxymethylfurfural with oxygen in mixed solvent composed of organic solvent and water in presence of oxidation catalyst.

ZONG B, CHEN G, ZHENG L, SUN Q

New Janus-type nano graphene oxide for viscosity reducing agent used in oil field applications, has one side with dimensional sheet structure, grafted with hydrophobic alkylamine, and other side grafted with hydrophobic aromatic amine, where nano graphene oxide has specific water contact angle.

BI W, WANG Y, LIU Y, GUAN X, MA H, FAN L, XU Y, XU M, WANG T, ZHANG L

Preparing selective oxidation catalyst, involves using water solution containing nitrogen element to dip carbon-containing material, mixing nitrogen-doped carbon carrier with active metal component compound solution, performing first drying and first reduction to first mixture.

ZONG B, RONG J, DU Z, CHEN G, SUN Q, ZHAO H, ZHENG L

Preparing oxidation catalyst useful for preparing 2,5-furandicarboxylic acid, comprises e.g. using aqueous solution containing phosphorus to impregnate carbonaceous material, performing roasting and performing drying and reduction.

ZONG B, DU Z, RONG J, CHEN G, SUN Q, ZHAO H, ZHENG L

Preparation of 2, 5-furan dicarboxylic acid involves reacting 5-hydroxymethyl furfural with oxygen in mixed solvent composed of organic solvent and water in presence of oxidation catalyst containing supported metal catalyst.

ZONG B, DU Z, CHEN G, ZHENG L, SUN Q