Inventor
Siegfried Leistner
Inventor
Leipzig, DE
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds60%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations40%
PatentTitleYear
8,058,285'Substituted pyrido [3′, 2′: 4, 5] thieno [3, 2-D] pyrimidines and pyrido [3′, 2′: 4, 5] furo [3, 2-D] pyrimidines used as inhibitors of the PDE-4 and/or the release of TNF-ALPHA'20116,872,727'Polycyclic pyrimidine -2,4(1H,3H)-diones with functionalized alkyl residues at the 1- and/or 3-position(s); methods for their synthesis and pharmaceutical preparation'20055,306,721'3-(mercaptoalkyl)quinazoline'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to ARZNEIMITTELERK DRESDEN G M B (1)· patent assignee history
1994–2011Based in Leipzig, DE· patent location history
2011Patents assigned to DAGHISH MOHAMMED (1)· patent assignee history
2011Patents assigned to HEINICKE JOCHEN (1)· patent assignee history
2011Patents assigned to KROEDEL ANDREAS (1)· patent assignee history
2011Patents assigned to LEISTNER SIEGFRIED (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ARZNEIMITTELERK DRESDEN G M B | 1 | 1994 |
| DAGHISH MOHAMMED | 1 | 2011 |
| HEINICKE JOCHEN | 1 | 2011 |
| KROEDEL ANDREAS | 1 | 2011 |
| LEISTNER SIEGFRIEDself | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leipzig, DE | 3 | 1994–2011 |