Inventor
BERND PENNEMANN
Inventor
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 compounds25%
B01DSeparation13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
B01BBoiling6%
C01BNon-metallic elements6%
F16KValves6%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact6%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application6%
F28GCleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes or boilers6%
G05BControl or regulating systems in general6%
PatentTitleYear
12,577,194Method for the hydrogenation of aromatic nitro compounds202612,441,614Method of cleaning an apparatus used in the concentration of a mineral acid202511,702,381Method for operating a rectification column202311,231,727Method for continuously producing a product by way of at least two coupled-together chemical reactions2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to COVESTRO DEUTSCHLAND AG (4)· patent assignee history
2022–2026Based in DE· patent location history
2023Patents assigned to COVESTRO LLC (1)· patent assignee history
2025–2026Patents assigned to COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG (2)· patent assignee history
2026Patents assigned to LANXESS DEUTSCHLAND GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COVESTRO DEUTSCHLAND AG | 4 | 2022–2026 |
| COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG | 2 | 2025–2026 |
| COVESTRO LLC | 1 | 2023 |
| LANXESS DEUTSCHLAND GMBH | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| DE | 4 | 2022–2026 |