Inventor
Hans W. Hammen
Inventor
Solingen, DE
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A23Kprimary
A23KFodder33%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations33%
C07DHeterocyclic compounds33%
PatentTitleYear
4,636,503'Dust-free quinoxaline 1,4-di-N-oxides'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to BAYER AG (1)· patent assignee history
1987Based in Solingen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Solingen, DE | 1 | 1987 |