Inventor
Lothar Kerker
Inventor
Duelmen, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds80%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases20%
PatentTitleYear
7,161,053'Oligomerization of isobutene in N-butenic hydrocarbon streams'20077,002,053'Method for preparing high-purity diisobutene'20066,864,388'Process for preparing salts of methallylsulfonic acid'20054,588,850'Process for the production of acetylene and synthesis or reduction gas from coal in an electric arc process'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to HUELS CHEMISCHE WERKE AG (1)· patent assignee history
1986Based in Dulmen, DE· patent location history
2005–2007Patents assigned to OXENO OLEFINCHEMIE GMBH (3)· patent assignee history
2005–2006Based in Duelmen, DE· patent location history
2007Based in Dülmen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OXENO OLEFINCHEMIE GMBH | 3 | 2005–2007 |
| HUELS CHEMISCHE WERKE AG | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Duelmen, DE | 2 | 2005–2006 |
| Dülmen, DE | 1 | 2007 |
| Dulmen, DE | 1 | 1986 |