Inventor

SEUFERT FREDERICK B

US5 patents

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

TEXACO INC

2 patents

US5571403ANov 5, 1996

Process for extracting hydrocarbons from diatomite

TEXACO INC208 citations93

US4891950AJan 9, 1990

Control system and method for a synthesis gas process

TEXACO INC19 citations70

TEXACO DEVELOPMENT CORP

2 patents

US4526676AJul 2, 1985

Integrated H-oil process including recovery and treatment of vent and purge gas streams and soot-naphtha stream

TEXACO DEVELOPMENT CORP11 citations71

US4523986AJun 18, 1985

Liquefaction of coal

TEXACO DEVELOPMENT CORP14 citations71

STONE & WEBSTER ENG CORP

1 patent

US4191845AMar 4, 1980

Process for converting unsaturated C4 hydrocarbons into normal butane

STONE & WEBSTER ENG CORP27 citations80