Invention Grant
- Patent Title: Plate-like magnetite particles, plate-like maghemite particles and processes of producing the same
- Patent Title (中): 板状磁珠，类似片状的颗粒及其生产方法
-
Application No.: US493121Application Date: 1990-03-15
-
Publication No.: US5093100APublication Date: 1992-03-03
- Inventor: Hideaki Sadamura , Atsushi Takedoi
- Applicant: Hideaki Sadamura , Atsushi Takedoi
- Applicant Address: JPX Hiroshima
- Assignee: Toda Kogyo Corp.
- Current Assignee: Toda Kogyo Corp.
- Current Assignee Address: JPX Hiroshima
- Priority: JPX1-265512 19891011
- Main IPC: C01G49/06
- IPC: C01G49/06 ; C01G49/08 ; C09D5/32 ; H01F1/00 ; H01F1/11
Abstract:
Disclosed herein are poreless, non-sintered plate-like magnetite particles having an average particle diameter of more than 0.5 .mu.m and not more than 2.0 .mu.m, and a BET specific surface area of not more than 6.0 m.sup.2 /g, and poreless, non-sintered plate-like maghemite particles having an average particle diameter of more than 0.5 .mu.m and not more than 2.0 .mu.m, and a BET specific surface area of not more than 6.0 m.sup.2 /g.
Public/Granted literature
- US5600740A Narrowband waveguide filter Public/Granted day:1997-02-04
Information query
IPC分类:
