Inventor
Ludwig Bruns
Inventor
Dormagen, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds27%
B01DSeparation18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C07DHeterocyclic compounds9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
C08LCompositions of macromolecular compounds9%
PatentTitleYear
4,400,308'Silver-containing supported catalysts and catalyst intermediate products, processes for their preparation and their use'19834,349,416'Process and device for the separation of mixtures which form an azeotrope'19824,328,382'Process for separating off olefins from gases containing olefins'19824,083,876'Process for the preparation of thioglycols'19783,966,835'Permanently antistatic polyamide compositions'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1982Patents assigned to BAYER AG (2)· patent assignee history
1976–1982Based in Dormagen, DE· patent location history
1978–1983Patents assigned to ERDOELCHEMIE GMBH (3)· patent assignee history
1982–1983Based in Dormagen-Straberg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ERDOELCHEMIE GMBH | 3 | 1978–1983 |
| BAYER AG | 2 | 1976–1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dormagen, DE | 3 | 1976–1982 |
| Dormagen-Straberg, DE | 2 | 1982–1983 |