Inventor
Wolfgang Tschepat
Inventor
Darmstadt, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions29%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions24%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds18%
C08CTreatment or chemical modification of rubbers6%
C08LCompositions of macromolecular compounds6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
C10GCracking hydrocarbon oils6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
10,731,097Viscosity index improvers with defined molecular weight distributions20209,540,575'Method for dewaxing mineral oil compositions'20178,349,779'Polymers with h-bridge forming functionalities'20137,452,932'Highly stable polymer dispersions and method for the production thereof'20084,677,151'Concentrated emulsions of olefin copolymers'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2020Based in Darmstadt, DE· patent location history
2013–2017Patents assigned to TSCHEPAT WOLFGANG (2)· patent assignee history
2013Patents assigned to EVONIK ROHMAX ADDITIVES GMBH (1)· patent assignee history
2013Patents assigned to HEDRICH KLAUS (1)· patent assignee history
2017Patents assigned to EVONIK OIL ADDITIVES GMBH (1)· patent assignee history
2020Patents assigned to EVONIK OPERATIONS GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TSCHEPAT WOLFGANGself | 2 | 2013–2017 |
| EVONIK OIL ADDITIVES GMBH | 1 | 2017 |
| EVONIK OPERATIONS GMBH | 1 | 2020 |
| EVONIK ROHMAX ADDITIVES GMBH | 1 | 2013 |
| HEDRICH KLAUS | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Darmstadt, DE | 5 | 1987–2020 |