Inventor
Werner Loeser
Inventor
Ludwigshafen, DE
Overview
Patents· 15 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%
H01FMagnets21%
B22FWorking metallic powder15%
C01GCompounds containing metals not covered by subclasses c01d or c01f12%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds12%
C23CCoating metallic material6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
C22CAlloys3%
PatentTitleYear
4,835,909'Surface treatment of disk-shaped nickel-plated aluminum substrates'19894,755,395'Preparation of acicular cobalt-containing ferrimagnetic iron oxides'19884,448,761'Preparation of acicular, ferrimagnetic iron oxides'19844,439,231'Preparation of acicular ferromagnetic metal particles consisting essentially of iron'19844,420,330'Stabilization of pyrophoric ferromagnetic acicular metal particles consisting essentially of iron'19834,378,240'Preparation of acicular ferromagnetic metal particles consisting essentially of iron'19834,344,791'Manufacture of acicular ferromagnetic iron particles'19824,272,563'Manufacture of magnetic recording media having a wear-resistant surface'19814,221,776'Manufacture of acicular ferrimagnetic iron oxides'19804,213,959'Manufacture of acicular, ferrimagnetic iron oxide'19804,188,302'Manufacture of acicular cobalt-modified magnetic iron oxide'19804,165,232'Manufacture of ferromagnetic metal particles essentially consisting of iron'19794,155,748'Manufacture of ferromagnetic metal particles consisting essentially of iron'19794,128,672'Process of making a magnetic recording medium'19783,993,807'Activation of substrates for electroless metallization with zero valent palladium complex'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1989Patents assigned to BASF AG (15)· patent assignee history
1976–1989Based in Ludwigshafen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 15 | 1976–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ludwigshafen, DE | 15 | 1976–1989 |