Inventor
Franz-Josef Mersmann
Inventor
Bergisch Gladbach, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Cprimary
C08CTreatment or chemical modification of rubbers27%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds23%
C08LCompositions of macromolecular compounds23%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents5%
PatentTitleYear
10,882,980Process for the production of water and solvent-free hydrogenated nitrile rubbers20219,249,236'Process for the production of water and solvent-free hydrogenated nitrile rubbers'20167,846,995'Process for removing ruthenium-containing catalyst residues from optionally hydrogenated nitrile rubber'20107,666,950'Process for preparing hydrogenated nitrile rubbers'20107,071,292'Method for the preparation of purified elastomers from solution'20066,646,059'Process for removing iron-and rhodium-containing catalyst residues from hydrogenated nitrile rubber'20036,441,108'Gas-phase polymerization in a bell-shaped reactor'20026,372,865'Method and device for extracting rubber from gaseous phase polymerization'20024,791,172'Process for the preparation of partially hydrogenated nitrile rubbers'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2006Patents assigned to BAYER AG (4)· patent assignee history
1988Based in Bergisch Glasbach, DE· patent location history
2002–2021Based in Bergisch Gladbach, DE· patent location history
2003Patents assigned to BAYER INC (1)· patent assignee history
2010–2016Patents assigned to LANXESS DEUTSCHLAND GMBH (3)· patent assignee history
2016Patents assigned to LANXESS INT SA (1)· patent assignee history
2021Patents assigned to ARLANXEO DEUTSCHLAND GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 4 | 1988–2006 |
| LANXESS DEUTSCHLAND GMBH | 3 | 2010–2016 |
| ARLANXEO DEUTSCHLAND GMBH | 1 | 2021 |
| BAYER INC | 1 | 2003 |
| LANXESS INT SA | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bergisch Gladbach, DE | 8 | 2002–2021 |
| Bergisch Glasbach, DE | 1 | 1988 |