Inventor
Otto Engelfried
Inventor
Berlin, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Jprimary
C07JSteroids71%
A61KPreparations for medical, dental or toiletry purposes14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
PatentTitleYear
4,097,678'.DELTA..sup.9 (11) -5.alpha.-D-homo-20-keto steroids'19784,061,661'.DELTA..sup.9(11) -5.alpha.-20-KETO STEROIDS AND PROCESS FOR THEIR PRODUCTION'19774,056,633'D-homo-20-ketopregnanes and method for inducing anesthesia or narcosis'19774,029,777'18-Methyl-19-nor-20-ketopregnanes and process for the preparation thereof'19773,935,245'Radioactively labeled steroid derivatives'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1978Patents assigned to SCHERING AG (5)· patent assignee history
1976–1978Based in Berlin, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHERING AG | 5 | 1976–1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| Berlin, DE | 5 | 1976–1978 |