Inventor
Ralf Meier
Inventor
Dortmund, 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 compounds20%
C07DHeterocyclic compounds20%
B01DSeparation18%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
B01LChemical or physical laboratory apparatus for general use3%
F23JRemoval or treatment of combustion products or combustion residues3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
PatentTitleYear
11,105,734Method for calibrated optical measurement and system therefor202111,099,484Method for repairing reflective optical elements for EUV lithography202110,479,751Process for preparing acrylic acid20199,643,153'Membrane-supported catalyst removal in the epoxidation of cyclic unsaturated C12 compounds, for example cyclododecene (CDEN)'20179,637,436'Catalyst system for producing ketones from epoxides'20179,533,932'Process for preparing cyclododecanone'20179,533,933'Process for preparing cyclododecanone'20179,382,181'Workup of a cyclododecanone cyclododecanol mixture in a sequence of side draw columns'20169,278,898'Workup of a cyclododecanone cyclododecanol mixture in a dividing wall column'20169,221,007'Method and device for separating acid gases from a gas mixture'20159,156,768'Isolation of acrylic acid by means of a distillation column having a side offtake'20158,426,637'Process for preparation of high purity methacrylic acid'20138,399,658'Method for isolation of laurolactam from a laurolactam synthesis process stream'20137,807,826'Purification of a crude lactam mixture by means of melt crystallization'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2019Patents assigned to EVONIK DEGUSSA GMBH (11)· patent assignee history
2010–2019Based in Dortmund, DE· patent location history
2013–2017Patents assigned to MEIER RALF (8)· patent assignee history
2013–2017Patents assigned to ROOS MARTIN (3)· patent assignee history
2013–2016Patents assigned to DEMICOLI DANIEL (2)· patent assignee history
2016–2017Patents assigned to CAMERETTI LUCA (3)· patent assignee history
2021Based in Nittendorf, DE· patent location history
2021Based in Munich, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EVONIK DEGUSSA GMBH | 11 | 2010–2019 |
| MEIER RALFself | 8 | 2013–2017 |
| CAMERETTI LUCA | 3 | 2016–2017 |
| ROOS MARTIN | 3 | 2013–2017 |
| DEMICOLI DANIEL | 2 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dortmund, DE | 12 | 2010–2019 |
| Nittendorf, DE | 1 | 2021 |
| Munich, DE | 1 | 2021 |