Inventor
Bernd Pennemann
Inventor
Bergisch Gladbach, DE
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds50%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
B01DSeparation10%
Y02PClimate change mitigation technologies in the production or processing of goods7%
C01BNon-metallic elements2%
C09DCoating compositions, e.g. paints, varnishes or lacquers2%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals2%
F16KValves2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
G05BControl or regulating systems in general2%
PatentTitleYear
10,799,810Cascade tray, rectifying column containing said cascade tray, method for operating such a rectifying column, and use of same202010,698,424Method for continuously producing a product by way of at least two coupled-together chemical reactions202010,155,720Method for producing toluenediamine201810,041,921Device and method for producing aromatic amines20189,896,407'Exhaust gas cleaning in a method for continuously producing dinitrotoluene'20189,518,006'Method for producing diaminotoluene'20169,365,503'Process for the preparation of isocyanates in the gas phase'20169,346,012'Method and apparatus for denenoxing waste gases from nitration'20169,150,493'Method for producing aromatic amines in the liquid phase'20159,139,508'Method and system for producing nitrobenzene'20158,357,827'Process for the continuous preparation of nitrobenzene'20138,110,073'Process for the preparation of aromatic amines'20128,063,241'Process for the preparation of toluene-diisocyanate'20118,030,522'Process for the production of toluene diisocyanate'20117,511,176'Process for the preparation of toluenediamines by catalytic hydrogenation of dinitrotoluenes'20097,495,136'Process for the production of dinitrotoluene'20097,307,190'Process for the preparation of toluenediamine'20077,041,858'Process for the production of dinitrotoluene'20066,395,934'Raney nickel catalysts, a method for producing said raney nickel catalysts and the use of the same for hydrogenating organic compounds'20025,728,896'Process for the preparation of hydroxymethyl-cyclopropane'19985,593,936'Hydrated niobium oxide and hydrated tantalum oxide catalysts, their preparation and a process for preparing N-alkylated anilines using these catalysts'19975,498,744'Process for the preparation of dimethyl carbonate'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2002Patents assigned to BAYER AG (4)· patent assignee history
1996–1998Based in Koln, DE· patent location history
2002Based in League City, TX, US· patent location history
2006–2016Patents assigned to BAYER MATERIALSCIENCE AG (9)· patent assignee history
2006–2020Based in Bergisch Gladbach, DE· patent location history
2011–2016Patents assigned to PENNEMANN BERND (5)· patent assignee history
2011–2016Patents assigned to LORENZ WOLFGANG (3)· patent assignee history
2016–2020Patents assigned to COVESTRO DEUTSCHLAND AG (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER MATERIALSCIENCE AG | 9 | 2006–2016 |
| COVESTRO DEUTSCHLAND AG | 8 | 2016–2020 |
| PENNEMANN BERNDself | 5 | 2011–2016 |
| BAYER AG | 4 | 1996–2002 |
| LORENZ WOLFGANG | 3 | 2011–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bergisch Gladbach, DE | 18 | 2006–2020 |
| Koln, DE | 3 | 1996–1998 |
| League City, Texas, US | 1 | 2002 |