Inventor
Otto Ambros
Inventor
Mannheim, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification27%
G11BInformation storage based on relative movement between record carrier and transducer20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties13%
E04CStructural elements7%
PatentTitleYear
4,414,262'Shaped body of a settable mineral material with reinforcement fibers embedded therein'19834,271,234'Iron oxide magnetic pigments for the production of magnetic coatings'19814,177,317'Stabilization of chromium dioxide magnetic pigments'19794,169,912'Iron oxide magnetic pigments for the production of magnetic coatings'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1981Patents assigned to DYNAMIT NOBEL AG (2)· patent assignee history
1979Patents assigned to BASF AG (1)· patent assignee history
1979–1983Based in Mannheim, DE· patent location history
1983Patents assigned to FREUDENBERG CARL FA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DYNAMIT NOBEL AG | 2 | 1979–1981 |
| BASF AG | 1 | 1979 |
| FREUDENBERG CARL FA | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mannheim, DE | 4 | 1979–1983 |