Inventor

CHANG YUN-FENG

US48 patents

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

CHANG YUN-FENG

EXXONMOBIL CHEM PATENTS INC

Process for the production of benzene, toluene, and xylenes

Molecular sieve catalyst composition, its making and use in conversion processes

Molecular sieve catalyst composition, its making and use in conversion processes

Method of making molecular sieve catalyst

Molecular sieve catalyst composition, its making and use in conversion process

Molecular sieve catalyst composition, its making and use in conversion processes

Molecular sieve catalyst composition, its production and use in conversion processes

Attrition resistant molecular sieve catalyst

Molecular-sieve catalyst composition, its making and use in conversion processes

Attrition resistant molecular sieve catalysts

Molecular sieve catalyst composition, its making and use in conversion processes

Crystalline intergrowth material, its synthesis and its use in the conversion of oxygenates to olefins

Molecular sieve catalyst composition, its making and use in conversion processes

Method of making and process for using molecular sieve catalyst

Method of formulating a molecular sieve catalyst composition by controlling component addition

Molecular sieve catalyst composition, its making and use in conversion processes

Molecular sieve catalyst composition, its making and use in conversion processes

Molecular sieve catalyst composition, its making and use in conversion processes

Molecular sieve catalyst composition, its making and use in conversion processes

Molecular sieve catalyst composition, its making and use in conversion processes

Attrition resistant molecular sieve catalysts

Molecular sieve catalyst compositions, its making and use in conversion processes

Molecular sieve catalyst composition, its making and use in conversion processes

Catalyst and process for the conversion of oxygenates to olefins

Molecular sieve catalyst composition, its making and use in conversion processes

Method of making molecular sieve catalyst

Fines co-feed for maintaining efficient reactor hydrodynamics

Molecular sieve catalyst composition, its production and use in conversion processes

Method of separating condensed liquid from an olefin stream

Monoalkylated aromatic compound production

Monoalkylated aromatic compound production

Crystalline intergrowth material of silicoaluminophosphate having two intergrown phases

Removal of catalyst fines from a reaction system

Method of recovering crystalline material and compositions therefrom

Method of flocculation and formulation of crystalline materials

Methods addressing aging in flocculated molecular sieve catalysts for hydrocarbon conversion processes

Attrition resistant molecular sieve catalyst, method of making and process for using

ABB LUMMUS GLOBAL INC

Method for making molecular sieves and novel molecular sieve compositions

Conversion of nitrogen oxides in the presence of a catalyst supported on a mesh-like structure

Method for making molecular sieves and novel molecular sieve compositions

Conversion of nitrogen oxides in the presence of a catalyst supported on a mesh-like structure

Zeolites and molecular sieves and the use thereof

FORD MOTOR CO

Powder coating compositions containing glycidyl ester copolymers and carboxyl terminated crosslinking agent

Powder coating composition with hydroxy functional copolymer and amino functional crosslinking agent

Powder coating compositions with hydroxy containing acrylic copolymers-I and carboxylic acid or anhydride crosslinking agent

Coating composition of aminoplast, hydroxy polymers and vinylic monomers

CLARK MICHAEL C

Monoalkylated aromatic compound production

LUMMUS TECHNOLOGY INC

Zeolites and molecular sieves and the use thereof