Inventor
Paula R. Vettel
Inventor
Downers Grove, IL, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions20%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions20%
C07DHeterocyclic compounds7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
H01BCables7%
H01FMagnets7%
H01GCapacitors7%
H01HElectric switches7%
H05KPrinted circuits7%
PatentTitleYear
10,501,670Dielectric fluid and coolant made with biobased base oil20195,454,962'Fluoroelastomer-friendly crankcase and drivetrain lubricants and their use'19955,080,815'Method for preparing engine seal compatible dispersant for lubricating oils comprising reacting hydrocarbyl substituted discarboxylic compound with aminoguanirise or basic salt thereof'19924,889,646'Nitrogen containing dispersants treated with mineral acids'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1992Patents assigned to AMOCO CORP (2)· patent assignee history
1989–2019Based in Downers Grove, IL, US· patent location history
1995Patents assigned to ETHYL PETROLEUM ADDITIVES INC (1)· patent assignee history
2019Patents assigned to NOVVI LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMOCO CORP | 2 | 1989–1992 |
| ETHYL PETROLEUM ADDITIVES INC | 1 | 1995 |
| NOVVI LLC | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Downers Grove, Illinois, US | 4 | 1989–2019 |