Inventor

DESSAU RALPH M

US92 patents

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

DESSAU RALPH M

MOBIL OIL CORP

Method of preparation of ex situ selectivated zeolite catalysts for aromatic alkylation applications

Fluid bed process for para-xylene production

Para-selective aromatization process with ex situ selectivated zeolite catalyst

Shape selective hydrogenation of aromatics over modified non-acidic platinum/ZSM-5 catalysts

Process for the selective conversion of naphtha to aromatics and olefins

Activation of alkali metal zeolite catalysts by steaming

Selective production of para-dialkyl substituted benzenes and catalyst therefor

Upgrading of normal pentane to cyclopentene

Dehydrogenation and dehydrocyclization using a non-acidic NU-87 catalyst

Tin-colating microporous crystalline materials and their use as dehydrogenation, dehydrocyclization reforming catalysts

Low acidity catalyst for conversion of paraffins to olefins and/or aromatics

Integrated low pressure aromatization process

Process for the conversion of paraffins to olefins and/or aromatics and low acidity zeolite catalyst therefor

Tin-containing microporous crystalline materials and their use as dehydrogenation, dehydrocyclization and reforming catalysts

Dehydrocyclization and reforming process

Catalytic dehydrogenation of hydrocarbons over tin-containing crystalline microporous materials

Catalytic conversions using shape selective metallic catalysts

Base-exchanged zeolite compositions with shape-selective metal functions

Hydrocarbon dewaxing process using steam-activated alkali metal zeolite catalyst

Shape selective acid catalyzed reactions of olefins over crystalline zeolites

Selective sorption by zeolites

Operation of an internal combustion engine with a pre-engine reformer

Reactivation of steam-deactivated catalysts

Reforming and dehydrocyclization

Reforming process

Dehydrogenation and dehydrocyclization catalyst

Activity enhancement of high silica zeolites

Coal desulfurization process

Processes for converting feedstock organic compounds

Isobutene and isoamylene production

Base-catalyzed reactions using zeolite catalysts

Gasoline upgrading by aromatics amination

Upgrading of normal pentane to cyclopentane

Hydrogen regeneration of monofunctional dehydrogenation and aromatization catalysts

Production of mono-substituted alkylaromatics from C8 +N-paraffins

Non-acidic dehydrogenation catalyst of enhanced stability

Dehydrogenation of alcohols over non-acidic metal-zeolite catalysts

Base-catalyzed reactions using zeolite catalysts

Dehydrogenation, dehydrocyclization and reforming catalyst

Dehydrogenation, dehydrocyclization and reforming catalyst

Alkylate upgrading

Zeolite modifications

Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials

Base-exchanged zeolite catalyst compositions with shape-selective metal function

ARCO CHEM TECH

Epoxidation process

Epoxidation process

Process for direct oxidation of propylene to propylene oxide and large particle size titanium silicalite catalysts for use therein

MOBIL OIL

Process for the conversion of paraffins to olefins and/or aromatics and non-acidic zeolite catalyst therefor

DESSAU RALPH M

Dehydrogenation, dehydrocyclization and reforming catalyst

MOBIL CORP

Preparation of gamma-butyrolactones