Inventor
Winfried Kreuch
Inventor
Essen-Heisingen, DE
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions100%
PatentTitleYear
4,797,198'Process for the working up of salvage oil'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to KRUPP KOPPERS GMBH (1)· patent assignee history
1989Based in Essen-Heisingen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KRUPP KOPPERS GMBH | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Essen-Heisingen, DE | 1 | 1989 |