Inventor
Wilhelm Sarnecki
Inventor
Limburgerhof, DE
Overview
Patents· 12 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 transducer24%
C01GCompounds containing metals not covered by subclasses c01d or c01f18%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds18%
B22FWorking metallic powder15%
H01FMagnets15%
B82YSpecific uses or applications of nanostructures3%
C21BManufacture of iron or steel3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
4,497,723'Preparation of acicular, ferrimagnetic iron oxides'19854,464,352'Manufacture of acicular ferrimagnetic iron oxide'19844,448,761'Preparation of acicular, ferrimagnetic iron oxides'19844,439,231'Preparation of acicular ferromagnetic metal particles consisting essentially of iron'19844,367,214'Manufacture of acicular ferrimagnetic iron oxide'19834,360,377'Ferromagnetic metal particles, consisting essentially of iron and carrying a surface coating, and their production'19824,344,791'Manufacture of acicular ferromagnetic iron particles'19824,295,879'Manufacture of acicular ferromagnetic iron particles'19814,259,368'Manufacture of acicular magnetic iron oxide'19814,221,776'Manufacture of acicular ferrimagnetic iron oxides'19804,213,959'Manufacture of acicular, ferrimagnetic iron oxide'19804,178,171'Manufacture of acicular ferromagnetic iron particles'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1985Patents assigned to BASF AG (12)· patent assignee history
1979–1985Based in Limburgerhof, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 12 | 1979–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Limburgerhof, DE | 12 | 1979–1985 |