国家/地区 中国（16）
IPC部 B（16）
IPC大类 C07（16）
IPC小类 C07D（16）
IPC B01J031/02（4） B01J021/18（2） B01J023/89（2）
B01J027/122（2） B01J032/00（2） B01J035/00（2）
B01J037/08（2） C07D317/36（2） C07D317/38（2）
发明人 HUANG F（2） LIU J（2） SHI F（2）
SUN Y（2） YANG J（2） YUAN B（2）
ZHANG Z（2）
公开年 2022（16）
申请年 2022（9）  2021（6） 
专利权人 LANZHOU CHEM.（2） SICHUAN HONG.（2）

Preparing paraquat by mixing pyridine and methanol, dripping methyl chloride, carrying out pyridine alkylation reaction and dimerization reaction, removing impurities, adding beating water, acid solution, homogeneous catalyst, feeding liquid chlorine, reacting, filtering and separating catalyst.

HUO M, FU S, WU C, ZHANG L, ZHANG Z, YU J

Preparing delta-caprolactone involves using gluconolactone as substrate, using modified DODH as catalyst, reacting in reactor under present temperature and pressure conditions.

LI C, LIU J, LIANG C

Carbon-modified metal-based reduction catalyst used in cyano hydrogenation reaction, comprises metal-based active center reacting with carbon-containing gas, metal-based active center is nickel, cobalt or nickel alloy, forming nickel carbide or cobalt carbide or nickle metal carbide carrier.

LIU S, CHEN J, RUAN P, ZHANG H, ZHENG N

Synthesis of symmetrical disulfide by dissolving insoluble copper salt and amine in methanol to form mixed solution, dispersing graphene in methanol to form dispersion liquid, mixing halide, elemental sulfur, copper-based catalyst, acid binding agent and solvent and carry out post-processing.

CHEN X, ZHOU S, RUAN J, JIN H, QIAN C

Catalyst for preparing gama-valerolactone by catalytic hydrogenation of levulinic acid, comprises copper silver zirconium graphene oxide catalyst, where catalyst is metal copper-silver, metal silver as electronic agent, zirconium oxide as carrier, and graphene oxide as structural auxiliary agent.

YIN J, LI S, MAO J, JIA Y, ZHOU J

Preparation of carbon-based metal single atom catalyst in cycloaddition reaction of carbon dioxide, by mixing carbon source, nitrogen source and metal salt, ball milling, heating under inert atmosphere using high temperature pyrolysis method to uniformly disperse metal single atom in metal salt.

LONG R, GONG W, LI J, XIONG Y

Catalyst for production of vinylene carbonate, comprises composite metal oxide and graphene oxide as carrier and active component loaded on the carrier, where active component comprises dopamine hydrochloride and hydrotalcite.

SHI F, YUAN B, YANG J, HUANG F

Pod-type degradable temporary plugging ball useful in temporary plugging treatment of oil and gas wells in fracturing system, comprises degradable outer shell (comprising e.g. polymerized product of glycolide, lactide, polybutylene succinate prepolymer) and inner core.

LI H, ZHANG Y, SHANG L, HUANG B, LIU J, WANG Y, YANG X, JIANG Q

Catalyst useful for producing ethylene carbonate, comprises nanometer metal oxide and graphene oxide as carrier which i s loaded on active components includes ionic liquid, and anionic polymer.

SHI F, YUAN B, YANG J, HUANG F

Automobile air outlet thumbwheel with fluorescent function comprises polypropylene, fluorescent particles, plasticizer and antioxidant, where thumbwheel is prepared by e.g. melting polypropylene, adding fluorescent particles, plasticizer and antioxidant, extruding, cooling extruded material.

MAO M, SHENG H, YUAN G, JIANG Z, XIA H