Inventor
Ralf Krahwinkel
Inventor
Langenfeld, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds22%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages11%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C07BGeneral methods of organic chemistry11%
C07DHeterocyclic compounds11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
C10LFuels not otherwise provided for11%
PatentTitleYear
10,875,823Method for producing N-methyl-p-toluidine for use as an additive for aviation gasoline20209,102,613'Method for producing sorbic anhydride and also use thereof as a preservative in foods'20158,742,034'Method for the homogeneously catalyzed production of terminal group-capped polyethers'20148,309,732'Process for preparing quaternary salts of piperidyl esters of mandelic acid'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2015Patents assigned to KRAHWINKEL RALF (3)· patent assignee history
2012–2014Patents assigned to SALTIGO GMBH (2)· patent assignee history
2012Patents assigned to BASKAKOV DENYS (1)· patent assignee history
2012Patents assigned to HIERONYMI ANTJE (1)· patent assignee history
2012–2020Based in Langenfeld, DE· patent location history
2015–2020Patents assigned to LANXESS DEUTSCHLAND GMBH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KRAHWINKEL RALFself | 3 | 2012–2015 |
| LANXESS DEUTSCHLAND GMBH | 2 | 2015–2020 |
| SALTIGO GMBH | 2 | 2012–2014 |
| BASKAKOV DENYS | 1 | 2012 |
| HIERONYMI ANTJE | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Langenfeld, DE | 4 | 2012–2020 |