Inventor
Ronald Liotta
Inventor
Clark, NJ, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils61%
C10LFuels not otherwise provided for28%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
5,958,224'Process for deep desulfurization using combined hydrotreating-oxidation'19994,468,231'Cation ion exchange of coal'19844,372,750'O-Alkylated/O-acylated coal and coal bottoms'19834,363,714'O-Alkylated/O-acylated coal liquids'19824,300,994'Method for producing coke'19814,300,995'Oxygen-alkylation of carbonous material and products thereof'19814,299,684'Demineralization of coal'19814,259,168'Treatment of coal to increase yields and improve physical characteristics of coal liquefaction distillates and bottoms'19814,259,172'Treatment of heavy coal fractions'19814,259,167'Formation of caking coals'19814,259,173'Treatment of coal liquids'19814,259,084'Pretreatment of solid, naturally-occurring carbonaceous material'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1999Patents assigned to EXXON RESEARCH ENGINEERING CO (12)· patent assignee history
1981–1984Based in Clark, NJ, US· patent location history
1999Based in Kingswood, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXON RESEARCH ENGINEERING CO | 12 | 1981–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Clark, New Jersey, US | 11 | 1981–1984 |
| Kingswood, Texas, US | 1 | 1999 |