Inventor
Martin Körfer
Inventor
Kahl, DE
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds32%
B01DSeparation9%
C07DHeterocyclic compounds9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
A23KFodder5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
C01CAmmonia5%
C05CNitrogenous fertilisers5%
C05DInorganic fertilisers not covered by subclasses c05b, c05c5%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse5%
PatentTitleYear
10,919,848Process for preparing methionine202110,441,942Reaction tube and method for producing hydrogen cyanide20199,927,120'Method for thermally after-burning waste gases from acrolein and hydrocyanic acid production'20187,655,072'Process for purifying CO2 gas streams'20107,119,228'Process for producing methionine'20066,797,827'Process for the preparation of alpha-amino acids by hydrolysis of hydantoins at elevated pressure and elevated temperature'20046,287,627'Method for producing pourable methionine salt based animal food supplement and the granulate thus obtained'20016,126,972'Process for the preparation of aqueous sodium methioninate solutions and use of those solutions in the production of a granulate'20005,990,349'Process for the preparation of D,L-methionine or the salt thereof'19995,770,769'Process for the preparation of D,L-methionine or the salt thereof'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2010Patents assigned to DEGUSSA (7)· patent assignee history
1998–2000Based in Johannesberg, DE· patent location history
2001Based in Johannisberg, DE· patent location history
2004–2010Based in Kalmthout, BE· patent location history
2018–2019Patents assigned to EVONIK DEGUSSA GMBH (2)· patent assignee history
2018Patents assigned to FINKELDEI CASPAR HEINRICH (1)· patent assignee history
2018Patents assigned to KOERFER MARTIN (1)· patent assignee history
2018–2021Based in Kahl, DE· patent location history
2021Patents assigned to EVONIK OPERATIONS GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 7 | 1998–2010 |
| EVONIK DEGUSSA GMBH | 2 | 2018–2019 |
| EVONIK OPERATIONS GMBH | 1 | 2021 |
| FINKELDEI CASPAR HEINRICH | 1 | 2018 |
| KOERFER MARTIN | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kahl, DE | 3 | 2018–2021 |
| Kalmthout, BE | 3 | 2004–2010 |
| Johannesberg, DE | 3 | 1998–2000 |
| Johannisberg, DE | 1 | 2001 |