Inventor
Otto Grawinger
Inventor
Frankfurt am Main, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds58%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments17%
C07CAcyclic or carbocyclic compounds8%
PatentTitleYear
4,335,123'1-Acyl-8-(3-amino-2-hydroxypropoxy)-1,2,3,4-tetrahydroquinolines, compositions and use'19824,247,456'Water-insoluble monoazo pyridone dye'19814,216,314'N-Aryloxypropyl-N\'-dioxopyrimidyl-.alpha.,.omega.-alkylenediamines'19804,088,764'Pharmaceutically active derivatives of 1-phenoxy-3-amino-propan-2-ol'19784,066,768'Derivatives of 1-phenoxy-3-amino-propan-2-ol'19784,020,071'Derivatives of 1-phenoxy-3-amino-propan-2-ol'19773,987,036'Basically substituted heterocyclic compounds'19763,969,363'Derivatives of 1-phenoxy-3-amino-propan-2-ol and process for their production'19763,957,749'Water-insoluble monoazo pyridine dyes'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1982Patents assigned to CASSELLA FARBWERKE MAINKUR AG (8)· patent assignee history
1976–1982Based in Frankfurt am Main, DE· patent location history
1980Patents assigned to CASSELLA AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CASSELLA FARBWERKE MAINKUR AG | 8 | 1976–1982 |
| CASSELLA AG | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankfurt am Main, DE | 9 | 1976–1982 |