Inventor
Dieter Kaufmann
Inventor
Bergisch Gladbach, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds56%
C07CAcyclic or carbocyclic compounds33%
A01NPreservation of bodies of humans or animals or plants or parts thereof11%
PatentTitleYear
7,332,512'Halogenated nitrobutadienes for controlling animal pests'20085,502,232'Process for preparing diaryl carbonates'19965,498,742'Process for the continuous preparation of diaryl carbonates'19965,334,724'Preparation of substituted 2-chloropyridines'19945,334,750'Process for the preparation of cinnamic acid derivatives'19945,103,011'Preparation of 2-chloro-5- methyl-pyridine'19925,099,025'Preparation of 2-chloro-5-methyl-pyridine'19925,010,201'Process for the preparation of substituted 2-chloropyridines'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1996Patents assigned to BAYER AG (7)· patent assignee history
1991–1994Based in Bergisch Gladbach, DE· patent location history
1996–2008Based in Goslar, DE· patent location history
2008Patents assigned to BAYER CROPSCIENCE AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 7 | 1991–1996 |
| BAYER CROPSCIENCE AG | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bergisch Gladbach, DE | 5 | 1991–1994 |
| Goslar, DE | 3 | 1996–2008 |