Inventor

SPITNALE GREGORY G

US3 patents

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

STANDARD OIL CO OHIO

2 patents

US4351773ASep 28, 1982

Preparation of maleic anhydride from butane using fluidized vanadium-phosphorous-oxide containing catalysts

STANDARD OIL CO OHIO30 citations91

US4360453ANov 23, 1982

Preparation of vanadium phosphorus catalysts

STANDARD OIL CO OHIO17 citations72

STANDARD OIL CO

1 patent

US4400522AAug 23, 1983

Preparation of maleic anhydride

STANDARD OIL CO3 citations61