Inventor
HSIEH C RICHARD
US9 patents
⚠️ This page may combine multiple inventors who share the name “HSIEH C RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON RES
6 patentsUS4761220AAug 2, 1988
Hydroprocessing catalyst fines as a first-stage catalyst in a two-stage, close-coupled thermal catalytic hydroconversion process
CHEVRON RES27 citations90
US4676889AJun 30, 1987
Solvent extraction process for recovering bitumen from tar sand
CHEVRON RES71 citations90
US4875996AOct 24, 1989
Method for liquid feed dispersion in fluid catalytic cracking systems
CHEVRON RES20 citations69
US4475925AOct 9, 1984
Gasification process for carbonaceous materials
CHEVRON RES4 citations61
US4764270AAug 16, 1988
Simultaneous upgrading of tar sand bitumen and coal by corefining
CHEVRON RES6 citations54
US4398924AAug 16, 1983
Sulfur oxide reduction in a coal gasification process
CHEVRON RES1 citations49
CHEVRON RES & TECH
3 patentsUS5210348AMay 11, 1993
Process to remove benzene from refinery streams
CHEVRON RES & TECH48 citations92
US5082990AJan 21, 1992
Alkylation of aromatics-containing refinery streams
CHEVRON RES & TECH67 citations90
US5061457AOct 29, 1991
Apparatus for liquid feed dispersion in fluid catalytic cracking systems
CHEVRON RES & TECH20 citations69