Inventor
DEMMIN RICHARD A
US13 patents
⚠️ This page may combine multiple inventors who share the name “DEMMIN RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EXXONMOBIL RES & ENG CO
8 patentsUS7513989B1Apr 7, 2009
Hydrocracking process using bulk group VIII/Group VIB catalysts
EXXONMOBIL RES & ENG CO89 citations95
US6387249B1May 14, 2002
High temperature depressurization for naphtha mercaptan removal
EXXONMOBIL RES & ENG CO22 citations91
US6322692B1Nov 27, 2001
Hydroconversion process for making lubricating oil basestocks
EXXONMOBIL RES & ENG CO46 citations91
US9809764B2Nov 7, 2017
Hydrocracking process for high yields of high quality lube products
EXXONMOBIL RES & ENG CO2 citations69
US7297251B2Nov 20, 2007
Multi-stage hydrodesulfurization of cracked naphtha streams with a stacked bed reactor
EXXONMOBIL RES & ENG CO4 citations62
US10947460B2Mar 16, 2021
Production of upgraded extract and raffinate
EXXONMOBIL RES & ENG CO0 citations61
US7422679B2Sep 9, 2008
Low CO for increased naphtha desulfurization
EXXONMOBIL RES & ENG CO3 citations61
US10450517B2Oct 22, 2019
Production of upgraded extract and raffinate
EXXONMOBIL RES & ENG CO0 citations51
EXXON RESEARCH ENGINEERING CO
4 patentsUS6231753B1May 15, 2001
Two stage deep naphtha desulfurization with reduced mercaptan formation
EXXON RESEARCH ENGINEERING CO65 citations95
US6096189AAug 1, 2000
Hydroconversion process for making lubricating oil basestocks
EXXON RESEARCH ENGINEERING CO68 citations95
US6231754B1May 15, 2001
High temperature naphtha desulfurization using a low metal and partially deactivated catalyst
EXXON RESEARCH ENGINEERING CO46 citations91
US5863417AJan 26, 1999
Method for analyzing for strippable hydrocarbon on FCC catalyst
EXXON RESEARCH ENGINEERING CO0 citations40