Invention Grant
- Patent Title: Preparation of ferromagnetic chromium dioxide
- Patent Title (中): 制备铁磁性二氧化铬
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Application No.: US91306Application Date: 1987-08-28
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Publication No.: US4781851APublication Date: 1988-11-01
- Inventor: Werner Steck , Herbert Haberkorn , Laszlo Marosi , Werner Huebner , Helmut Jakusch
- Applicant: Werner Steck , Herbert Haberkorn , Laszlo Marosi , Werner Huebner , Helmut Jakusch
- Applicant Address: DEX
- Assignee: BASF Aktiengesellschaft
- Current Assignee: BASF Aktiengesellschaft
- Current Assignee Address: DEX
- Priority: DEX3535465 19851004
- Main IPC: H01F1/11
- IPC: H01F1/11 ; C01G37/027 ; G11B5/706 ; H01F1/10
Abstract:
Ferromagnetic chromium dioxide is improved by subjecting chromium dioxide materials prepared by a known method to an additional heat treatment.
Public/Granted literature
- USD427226S Eyeglass front Public/Granted day:2000-06-27
Information query
