Inventor
Joel F. Carpenter
Inventor
Baton Rouge, LA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere38%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
C10MLubricating compositions13%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions13%
A01NPreservation of bodies of humans or animals or plants or parts thereof6%
C02FTreatment of water, waste water, sewage, or sludge6%
C07CAcyclic or carbocyclic compounds6%
PatentTitleYear
7,578,968'Microbiological control in oil or gas field operations'20097,576,041'Bromine-based sulfamate stabilized breaker composition and process'20097,223,719'Breaker composition and process'20076,323,157'Base oil for well fluids having low pour point temperature'20015,432,152'Invert drilling fluid'19955,240,629'Refrigerant compositions'19935,207,940'.alpha.-olefin oligomer-phenol lubricant oil adducts'19935,047,592'Selective hydrogenolysis process'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1993Patents assigned to ETHYL CORP (3)· patent assignee history
1991–2009Based in Baton Rouge, LA, US· patent location history
1995–2009Patents assigned to ALBEMARLE CORP (4)· patent assignee history
2001Patents assigned to BP CORP NORTH AMERICA INC (1)· patent assignee history
2001Based in Naperville, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALBEMARLE CORP | 4 | 1995–2009 |
| ETHYL CORP | 3 | 1991–1993 |
| BP CORP NORTH AMERICA INC | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baton Rouge, LA, US | 7 | 1991–2009 |
| Naperville, Illinois, US | 1 | 2001 |