国家/地区 中国（8）
IPC部 C（8） B（6） A（2）
IPC大类 C07（8）
IPC小类 B01J（5） C07C（4） C07D（2）
C07F（2） C08G（2）
IPC B01J031/22（3）
发明人 ZHANG Y（8）
公开年 2021（5） 2022（3）
申请年 2021（8）
专利权人 WANHUA CHEM .（2）

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

Plastic hydrolysis using binuclear metal complex catalyst, comprises carrying out plastic hydrolysis reaction in alkaline aqueous solution in presence of binuclear metal complex as catalyst to obtain monomer.

HU Q, ZHANG Y, ZHANG S, NIU Z

Solid super acid catalyst used for preparing p-methoxy cinnamic acid isooctyl ester, comprises chromium oxide-silica as composite carrier, graphene as hard template, sulfuric acid as sulfur source, and modified solid super strong acid.

ZHANG Y, ZHANG D, JIANG P, GUO Y, LIU L

Preparing oxygen reduction catalyst of cobalt dimethyl imidazole combined with nickel-aluminum layered double hydroxide-graphene oxide used in microbial fuel cell, involves mixing nickel chloride hexahydrate.

WEI Q, WANG Y, YANG D, YANG Y, WANG R, ZHANG Y, WANG X, LIU Y, YANG J, CHEN J

Resource utilization of canthaxanthin heterogeneous filter mother liquor involves taking isomerous filtering mother liquor containing canthaxanthin over-oxidizing impurity as reaction substrate, subjecting to deoxidizing and reducing reaction, under action of modified catalyst and reducing agent.

WANG J, ZHANG Y, SHEN H, ZHANG X, SONG J

Graphene covalently supported bipyridine metal complex used as catalyst to catalyze Suzuki-Miyaura coupling reaction of phenylboronic acid and bromobenzene.

LI S, WANG Z, SHU H, ZHANG Y, FENG H, FENG Y

Preparing catalyst useful for e.g. acetylene hydrochlorination reaction, comprises e.g. dissolving copper chloride hydrate in absolute ethanol, filtering, soaking carrier in solution, washing with distilled water and drying.

ZHANG L, WANG J, ZHANG Y, ZHANG J

Nanomicrosphere anti-biofilm peptide cathelin-related antimicrobial peptide (CRAMP) useful in preparation of medicine for removing bacterial biofilm and inhibiting Pseudomonas aeruginosa, made by coupling CRAMP, chitosan and graphene oxide.

CHEN H, CHENG P, WANG S, ZHANG Y, LI H, XIONG J