Inventor
Heinz Durr
Inventor
Saarbrucken, DE
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes17%
B05BSpraying apparatus17%
B05DProcesses for applying fluent materials to surfaces, in general17%
C07DHeterocyclic compounds17%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to DURR HEINZ (1)· patent assignee history
1976Patents assigned to GAFGEN KLAUS (1)· patent assignee history
1976Based in Stuttgart-Feuerbach, DE· patent location history
1991Patents assigned to MERCK PATENT GMBH (1)· patent assignee history
1991Based in Saarbrucken-Schafbrucke, DE· patent location history
1997Patents assigned to IVOCLAR AG (1)· patent assignee history
1997Based in Saarbrucken, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DURR HEINZself | 1 | 1976 |
| GAFGEN KLAUS | 1 | 1976 |
| IVOCLAR AG | 1 | 1997 |
| MERCK PATENT GMBH | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saarbrucken, DE | 1 | 1997 |
| Saarbrucken-Schafbrucke, DE | 1 | 1991 |
| Stuttgart-Feuerbach, DE | 1 | 1976 |