Inventor
James D. Bell
Inventor
Toronto, CA
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils67%
C10CWorking-up pitch, asphalt, bitumen, tar33%
PatentTitleYear
6,258,255'Method for enhancing asphalt properties'20015,059,299'Method for isomerizing wax to lube base oils'19914,909,927'Extraction of hydrocarbon oils using a combination polar extraction solvent-aliphatic-aromatic or polar extraction solvent-polar substituted naphthenes extraction solvent mixture'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2001Patents assigned to EXXON RESEARCH ENGINEERING CO (3)· patent assignee history
1990–2001Based in Toronto, CA· patent location history
1991Based in Port Moody, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXON RESEARCH ENGINEERING CO | 3 | 1990–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toronto, CA | 2 | 1990–2001 |
| Port Moody, CA | 1 | 1991 |