Kenneth Ray Clem

Crystalline intergrowth material of silicoaluminophosphate having two intergrown phases

Method and system for reducing decomposition byproducts in a methanol to olefin reactor system

Low metal content catalyst compositions and processes for making and using same

Gas-solids separation device and method

Method and apparatus for reducing decomposition byproducts in a methanol to olefin reactor system

Reducing temperature differences within the regenerator of an oxygenate to olefin process

Method and apparatus for reducing decomposition byproducts in a methanol to olefin reactor system

Maintaining molecular sieve catalytic activity under water vapor conditions

Catalyst and process for the conversion of oxygenates to olefins

Catalyst and process for the conversion of oxygenates to olefins

Maintaining molecular sieve catalytic activity under water vapor conditions

Coated zeolite catalysts and use for hydrocarbon conversion

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

Method of protecting SAPO molecular sieve from loss of catalytic activity

Catalyst pretreatment with aldehyde in an oxygenate to olefins reaction system

Catalyst pretreatment with C4-C7 olefins in an oxygenate to olefins reaction system

Catalyst pretreatment with dimethyl ether in an oxygenate to olefins reaction system

Selectively removing undesirably sized catalyst particles from a reaction system

Low metal content catalyst compositions and processes for making and using same

Tailored zeolite bound zeolite catalysts and its use for hydrocarbon conversion

Method of starting up a reaction system