Inventor
Fritz Rodi
Inventor
Moers, DE
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer21%
H01FMagnets17%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds10%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties10%
C01GCompounds containing metals not covered by subclasses c01d or c01f7%
F26BDrying solid materials or objects by removing liquid therefrom7%
F27BFurnaces, kilns, ovens or retorts in general7%
Y10TTechnical subjects covered by former us classification7%
B22FWorking metallic powder3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
PatentTitleYear
5,002,751'Highly-coercive isometric iron oxides, a process for the production and the use thereof'19914,985,073'Needle shaped alloy powders based on iron and their use'19914,933,014'Magnetic iron oxide pigments and a process for their preparation'19904,923,519'Magnetic iron oxide pigments and a process for their preparation'19904,781,580'Indirectly heated rotary tubular kiln'19884,689,086'Stabilized magnetic pigments'19874,629,500'Use of novel rotary tubular kiln'19864,344,799'Readily dispersible TiO.sub.2 pigment'19824,186,028'Fluid pigment suspensions with phosphonocarboxylic acids'19803,974,079'Production of gamma iron oxide'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1991Patents assigned to BAYER AG (10)· patent assignee history
1976Based in Rumeln-Kaldenhausen, DT· patent location history
1980Based in Duisburg, DE· patent location history
1982–1991Based in Moers, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 10 | 1976–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Moers, DE | 8 | 1982–1991 |
| Duisburg, DE | 1 | 1980 |
| Rumeln-Kaldenhausen, DT | 1 | 1976 |