Inventor
Michael K. Maholland
Inventor
Bartlesville, OK, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C10GCracking hydrocarbon oils33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
10,947,458Upgrading of renewable feedstocks with spent equilibrium catalyst20215,192,724'Reactivation of spent cracking catalysts'19935,188,995'Reactivation and passivation of spent cracking catalysts'19935,151,391'Reactivation of spent, metal-containing cracking catalysts'19925,141,904'Reactivation of spent cracking catalysts'19925,021,377'Demetallization and passivation of spent cracking catalysts'19914,954,244'Treatment of spent cracking catalysts'19904,935,121'Reactivation of metal-contaminated cracking catalysts'19904,929,336'Treatment of spent cracking catalysts'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1993Patents assigned to PHILLIPS PETROLEUM CO (8)· patent assignee history
1990–1993Based in Bartlesville, OK, US· patent location history
2021Patents assigned to CHEVRON USA INC (1)· patent assignee history
2021Based in Park City, UT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILLIPS PETROLEUM CO | 8 | 1990–1993 |
| CHEVRON USA INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bartlesville, OK, US | 8 | 1990–1993 |
| Park City, UT, US | 1 | 2021 |