Inventor
James E. Critchfield
Inventor
Austin, TX, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation33%
C01BNon-metallic elements11%
C02FTreatment of water, waste water, sewage, or sludge11%
C07CAcyclic or carbocyclic compounds11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
C10GCracking hydrocarbon oils11%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]11%
PatentTitleYear
11,071,944Absorbent composition for the selective absorption of hydrogen sulfide20218,945,280'Method to decrease decomposition products in solutions that absorb acidic gases such as carbon dioxide and the like in the presence of oxygen'20155,861,051'Process for removing carbon dioxide from gas mixture'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to HUNTSMAN SPEC CHEM CORP (1)· patent assignee history
1999–2021Based in Austin, TX, US· patent location history
2015Patents assigned to CRITCHFIELD JAMES E (1)· patent assignee history
2015Patents assigned to GRIGSBY JR ROBERT A (1)· patent assignee history
2015Patents assigned to HOLUB PATRICK E (1)· patent assignee history
2015Patents assigned to HUNTSMAN PETROCHEMICAL LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CRITCHFIELD JAMES Eself | 1 | 2015 |
| GRIGSBY JR ROBERT A | 1 | 2015 |
| HOLUB PATRICK E | 1 | 2015 |
| HUNTSMAN PETROCHEMICAL LLC | 1 | 2015 |
| HUNTSMAN SPEC CHEM CORP | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Austin, Texas, US | 3 | 1999–2021 |