Inventor
Jan Christoph Pfeffer
Inventor
Hanau, 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 compounds19%
C07DHeterocyclic compounds16%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture16%
B01DSeparation5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
C02FTreatment of water, waste water, sewage, or sludge5%
C12YEnzymes5%
C07BGeneral methods of organic chemistry3%
C07KPeptides3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
PatentTitleYear
10,450,590Process for preparing an alpha, omega-alkanediol201910,071,951Liquid cation exchanger201810,053,713Biological alkane oxidation20189,765,370'Method for aerobically producing alanine or a compound produced using alanine'20179,676,898'Curable compositions based on epoxy resins without benzyl alcohol'20179,611,489'Enzymatic omega-oxidation and omega-amination of fatty acids'20179,580,732'Oxidation and amination of primary alcohols'20179,315,443'Liquid cation exchanger'20168,981,159'Continuously operable method for producing carbonyl compounds by means of a catalyst containing a nitroxyl radical'20158,946,463'Process for the direct amination of alcohols using ammonia to form primary amines by means of a xantphos catalyst system'20158,927,773'Process for the direct amination of secondary alcohols with ammonia to give primary amines'20158,841,096'Method for producing multicyclical ring systems carrying amino groups'20148,835,691'Process for homogeneously catalyzed, highly selective direct amination of primary alcohols with ammonia to primary amines with a high volume ratio of liquid phase to gas phase and/or high pressures'20148,378,127'Method for producing 2,6-dioxabicyclo-(3.3.0)-octane-4,8-dione'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2019Patents assigned to EVONIK DEGUSSA GMBH (14)· patent assignee history
2013–2019Patents assigned to HAAS THOMAS (12)· patent assignee history
2013–2018Patents assigned to TACKE THOMAS (7)· patent assignee history
2013–2014Based in Essen, DE· patent location history
2014–2019Patents assigned to PFEFFER JAN CHRISTOPH (11)· patent assignee history
2014–2015Patents assigned to KLASOVSKY FLORIAN (4)· patent assignee history
2014–2019Based in Hanau, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EVONIK DEGUSSA GMBH | 14 | 2013–2019 |
| HAAS THOMAS | 12 | 2013–2019 |
| PFEFFER JAN CHRISTOPHself | 11 | 2014–2019 |
| TACKE THOMAS | 7 | 2013–2018 |
| KLASOVSKY FLORIAN | 4 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hanau, DE | 12 | 2014–2019 |
| Essen, DE | 2 | 2013–2014 |