Inventor
Klaus-Dieter Ramsch
Inventor
Wuppertal, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes67%
C07DHeterocyclic compounds33%
PatentTitleYear
5,264,446'Solid medicament formulations containing nifedipine, and processes for their preparation'19934,857,312'Dihydropyridine spray, process for its preparation and its pharmaceutical use'19894,562,069'Two-phase formulation'19854,537,898'Liquid formulations of dihydropyridines'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1993Patents assigned to BAYER AG (4)· patent assignee history
1985–1989Based in Wuppertal, DE· patent location history
1993Based in Heerlen, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 4 | 1985–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wuppertal, DE | 3 | 1985–1989 |
| Heerlen, NL | 1 | 1993 |