Inventor
Ulrich Notheis
Inventor
Dormagen, DE
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds57%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry19%
C07DHeterocyclic compounds10%
B01DSeparation5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
PatentTitleYear
8,686,197'Method for improving the color number of trimethylolpropane'20148,642,816'Method for isolating di-trimethylol propane'20148,530,676'Process for producing vinylene carbonate'20138,003,830'Method for improving the color number of trimethylolpropane'20117,683,217'Process for preparing monomethylhydrazine'20107,211,701'Preparation of trimethylolpropane'20076,933,409'Amination of aromatic hydrocarbons and heterocyclic analogs thereof'20056,291,392'Catalysts containing a platinum group metal and produced in a sol-gel method, as well as a method for producing diarylcarbonates'20016,242,632'Supported catalysts containing a platinum group metal and method for producing diarylcarbonates'20015,932,768'Process for the preparation of 4-aminodiphenylamine'19995,925,791'Process for producing 4-aminodiphenylamine'19995,856,516'Process for the preparation of carbazole'19995,763,717'Process for preparing hydroxybiphenyl'19985,625,097'Process for preparing diphenylamines and catalysts usable for this purpose'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2005Patents assigned to BAYER AG (8)· patent assignee history
1997–2014Based in Dormagen, DE· patent location history
2001Based in Tonisvorst, DE· patent location history
2007–2014Patents assigned to LANXESS DEUTSCHLAND GMBH (4)· patent assignee history
2013–2014Patents assigned to NOTHEIS ULRICH (3)· patent assignee history
2014Patents assigned to FRIEDERICH MICHAEL (2)· patent assignee history
2014Patents assigned to GERRIETS HANS-DIETER (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 8 | 1997–2005 |
| LANXESS DEUTSCHLAND GMBH | 4 | 2007–2014 |
| NOTHEIS ULRICHself | 3 | 2013–2014 |
| FRIEDERICH MICHAEL | 2 | 2014 |
| GERRIETS HANS-DIETER | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dormagen, DE | 13 | 1997–2014 |
| Tonisvorst, DE | 1 | 2001 |