Inventor
LIOTTA RONALD
12 patents
Patents
12 patentsUS5958224ASep 28, 1999
Process for deep desulfurization using combined hydrotreating-oxidation
EXXON RESEARCH ENGINEERING CO90 citations94
US4468231AAug 28, 1984
Cation ion exchange of coal
EXXON RESEARCH ENGINEERING CO89 citations94
US4300995ANov 17, 1981
Oxygen-alkylation of carbonous material and products thereof
EXXON RESEARCH ENGINEERING CO32 citations91
US4300994ANov 17, 1981
Method for producing coke
EXXON RESEARCH ENGINEERING CO7 citations72
US4259168AMar 31, 1981
Treatment of coal to increase yields and improve physical characteristics of coal liquefaction distillates and bottoms
EXXON RESEARCH ENGINEERING CO8 citations72
US4372750AFeb 8, 1983
O-Alkylated/O-acylated coal and coal bottoms
EXXON RESEARCH ENGINEERING CO2 citations61
US4299684ANov 10, 1981
Demineralization of coal
EXXON RESEARCH ENGINEERING CO4 citations61
US4259172AMar 31, 1981
Treatment of heavy coal fractions
EXXON RESEARCH ENGINEERING CO6 citations61
US4259167AMar 31, 1981
Formation of caking coals
EXXON RESEARCH ENGINEERING CO2 citations61
US4259084AMar 31, 1981
Pretreatment of solid, naturally-occurring carbonaceous material
EXXON RESEARCH ENGINEERING CO6 citations61
US4363714ADec 14, 1982
O-Alkylated/O-acylated coal liquids
EXXON RESEARCH ENGINEERING CO1 citations51
US4259173AMar 31, 1981
Treatment of coal liquids
EXXON RESEARCH ENGINEERING CO0 citations51