Inventor

DRIA DENNIS E

19 patents

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

DRIA DENNIS E

STANDARD OIL CO OHIO

Mixed vanadium phosphorus oxide catalysts and preparation thereof

Nitrile compounds as oil field biocides

Process for the preparation of fluidizable catalysts

Preparation of vanadium phosphorus catalysts using a mixed phosphorus source

Preparation of maleic anhydride

Preparation of maleic anhydride

Preparation of maleic anhydride

Preparation of mixed vanadium phosphorus oxide catalysts and their use in oxidative processes

Preparation of vanadium phosphorous catalysts using olefinic oxygenated media

Maleic anhydride process

Attrition resistant microspheroidal fluid bed catalysts containing the mixed oxides of vanadium and phosphorus

Preparation of improved mixed vanadium phosphorus oxide catalyst and their use in oxidation processes

Preparation of mixed vanadium phosphorus oxide catalysts

Preparation of maleic anhydride

Process for tableting fine powders

Preparation of maleic anhydride

Use of improved mixed vanadium phosphorus oxide catalyst in oxidation processes

Process for the preparation of maleic anhydride

STANDARD OIL CO

Preparation of vanadium phosphorus catalysts