Inventor

CHU XIAODONG

CN22 patents

⚠️ This page may combine multiple inventors who share the name “CHU XIAODONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHU XIAODONG

SHANGHAI HUAYI NEW MAT CO LTD

Supported composite oxide catalyst and preparation and use thereof

Composite oxide catalyst, preparation method therefor, and use thereof

Heteropolyacid salt catalysts and their preparation method

Methods for preparing methacrolein from t-butanol

(Meth)acrolein oxidation catalyst and preparation method thereof

Spherical titanium silicalite molecular sieve catalyst and preparation method therefor

CHINA OILFIELD SERVICES LTD

Hydraulic power system for downhole device and downhole device

Integrated logging instrument for coring and sampling

Method and system for measuring composition and property of formation fluid

Coring device

Coring and sampling integrated sub and downhole instrument

CHINA NAT OFFSHORE OIL CORP

Pup joint for releasing sidewall contact of stratigraphic test device and apparatus

Drilling type sidewall coring apparatus

Horizontal-to-vertical drilling module for deep well

Wire follow-up protection structure of electric reducer

CHENGDU BOE OPTOELECT TECH CO

Display substrate and display apparatus

Display substrate and display device with transmission portions staggered by distance greater or equal to width of driving circuit

SHANGHAI HUAYI ACRYLIC ACID CO

Heteropoly acid salt catalyst and its preparation method

Method for producing (meth)acrylic acid and (meth)acrylic esters

Shanghai huayi acrylic acid co ltd

Ferrite catalyst and preparation method thereof

WANG JIAN

Catalyst for producing unsaturated aldehyde by oxidation of lower olefin at high space velocity

WEN XIN

Process for regenerating a deactivated heteropolymolybdophosphoric acid catalyst