Inventor
Rolf Hoffmann
Inventor
Hammersbach, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds33%
A61KPreparations for medical, dental or toiletry purposes17%
C07BGeneral methods of organic chemistry17%
C07CAcyclic or carbocyclic compounds17%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture17%
PatentTitleYear
8,618,310'Process for preparing n-protected 4-ketoproline derivatives'20137,728,167'Process for the preparation of enantiomerically enriched amino acids'20106,037,474'Process for the preparation of cyclic 4-oxoamidines'20004,466,442'Carrier liquid solutions for the production of gas microbubbles, preparation thereof, and use thereof as contrast medium for ultrasonic diagnostics'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to SCHERING AG (1)· patent assignee history
1984Based in Berlin, DE· patent location history
2000–2010Patents assigned to DEGUSSA (2)· patent assignee history
2000Based in Brasschaat, BE· patent location history
2010–2013Based in Hammersbach, DE· patent location history
2013Patents assigned to EVONIK DEGUSSA GMBH (1)· patent assignee history
2013Patents assigned to ROSSEN KAI (1)· patent assignee history
2013Patents assigned to SARICH MARTIN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 2 | 2000–2010 |
| EVONIK DEGUSSA GMBH | 1 | 2013 |
| ROSSEN KAI | 1 | 2013 |
| SARICH MARTIN | 1 | 2013 |
| SCHERING AG | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hammersbach, DE | 2 | 2010–2013 |
| Brasschaat, BE | 1 | 2000 |
| Berlin, DE | 1 | 1984 |