Inventor
OLMSTEAD WILLIAM NEERGAARD
US8 patents
Patents
8 patentsUS6258258B1Jul 10, 2001
Process for treatment of petroleum acids with ammonia
EXXON RESEARCH ENGINEERING CO139 citations97
US5914030AJun 22, 1999
Process for reducing total acid number of crude oil
EXXON RESEARCH ENGINEERING CO112 citations97
US5928502AJul 27, 1999
Process for reducing total acid number of crude oil
EXXON RESEARCH ENGINEERING CO86 citations95
US5820750AOct 13, 1998
Thermal decomposition of naphthenic acids
EXXON RESEARCH ENGINEERING CO78 citations95
US5891325AApr 6, 1999
Process for reducing total acid number of crude oil
EXXON RESEARCH ENGINEERING CO22 citations90
US5976360ANov 2, 1999
Viscosity reduction by heat soak-induced naphthenic acid decomposition in hydrocarbon oils
EXXON RESEARCH ENGINEERING CO16 citations73
US5879529AMar 9, 1999
Method for decreasing the conradson carbon content of petroleum feedstreams
EXXON RESEARCH ENGINEERING CO14 citations73
US5855764AJan 5, 1999
Method for demetallating petroleum streams
EXXON RESEARCH ENGINEERING CO10 citations73