Inventor
Wilhelm Risse
Inventor
Marburg, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds43%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
A23GCocoa7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C07CAcyclic or carbocyclic compounds7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
C12CBeer7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
9,980,503Chewing gums and gum bases comprising multi-block copolymers20186,169,153'Polymerization of cyclopentadiene using cationic palladium complexes'20015,705,503'Addition polymers of polycycloolefins containing functional substituents'19984,801,657'Process for producing polyarylethers by forming an alkylated intermediate'19894,769,423'Block copolymers of optionally substituted poly(oxy-1,4-phenylene) segments and liquid crystalline segments'19884,677,185'Process for the preparation of bifunctional polyphenylene oxide'19874,521,584'Process for the production of bifunctional polyphenylene ethers'19854,487,918'Process for the production of bifunctional polyphenylene ethers'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1988Patents assigned to BAYER AG (4)· patent assignee history
1984–1988Based in Marburg, DE· patent location history
1989Patents assigned to DU PONT (1)· patent assignee history
1989Based in Siegen, DE· patent location history
1998Based in Clonskeagh, Dublin 14, IE· patent location history
2001Patents assigned to BASF AG (1)· patent assignee history
2001–2018Based in Dublin, IE· patent location history
2018Patents assigned to BATES FRANK S (1)· patent assignee history
2018Patents assigned to HAAS MICHAEL S (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 4 | 1984–1988 |
| BASF AG | 1 | 2001 |
| BATES FRANK S | 1 | 2018 |
| DU PONT | 1 | 1989 |
| HAAS MICHAEL S | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marburg, DE | 4 | 1984–1988 |
| Dublin, IE | 2 | 2001–2018 |
| Clonskeagh, Dublin 14, IE | 1 | 1998 |
| Siegen, DE | 1 | 1989 |