Inventor
Leif Johnen
Inventor
Voerde, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds45%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds18%
C08LCompositions of macromolecular compounds9%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
C09JAdhesives9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
9,695,100'Method for the production of mixtures containing tertiary isononanoic acids based on 2-ethylhexanol'20179,334,225'Vinyl esters of isononanoic acid starting from 2-ethyl hexanol, methods for the production thereof and use thereof'20169,315,694'Vinyl acetate/vinyl 3,5,5-trimethylhexanoate copolymer binder resins'20169,174,922'Method for producing vinyl esters'20159,174,921'Transvinylation as a first stage of coupling production of vinyl esters and acetic acid or propionic acid reaction products'20159,108,898'Continuous method for producing primary aliphatic amines from aldehydes'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2017Patents assigned to OXEA GMBH (6)· patent assignee history
2015–2016Based in Voerde, DE· patent location history
2015Based in Voerge, DE· patent location history
2016Patents assigned to BALZAREK CHRISTOPH (1)· patent assignee history
2016Patents assigned to BORGMEIER OLIVIER (1)· patent assignee history
2016Patents assigned to FREY GUIDO (1)· patent assignee history
2016Patents assigned to JOHNEN LEIF (1)· patent assignee history
2017Based in Dorsten, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OXEA GMBH | 6 | 2015–2017 |
| BALZAREK CHRISTOPH | 1 | 2016 |
| BORGMEIER OLIVIER | 1 | 2016 |
| FREY GUIDO | 1 | 2016 |
| JOHNEN LEIFself | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Voerde, DE | 4 | 2015–2016 |
| Dorsten, DE | 1 | 2017 |
| Voerge, DE | 1 | 2015 |