Inventor
Harro Witt
Inventor
Kuden, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds55%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
B01DSeparation9%
C01BNon-metallic elements9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
5,779,995'Sludge phase reactor and process for performing sludge phase reactions'19985,728,880'Process for the separation of high-boiling materials from the reaction mixture generated during the production of diaminotoluene'19985,001,286'Process for separating sulphuric acid and nitric acid from dinitrotoluene mixtures obtained during the nitration of toluene'19914,857,281'Pauling boiler and process for the concentration of sulphuric acid'19894,792,626'Production of aromatic diamino compounds using a modified Raney catalyst'19884,720,326'Process for working-up aqueous amine solutions'19884,663,490'Process for the production of dinitrotoluene'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1998Patents assigned to BAYER AG (7)· patent assignee history
1987–1998Based in Kuden, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 7 | 1987–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kuden, DE | 7 | 1987–1998 |