JPS5520366B2 - - Google Patents
Info
- Publication number
- JPS5520366B2 JPS5520366B2 JP14124475A JP14124475A JPS5520366B2 JP S5520366 B2 JPS5520366 B2 JP S5520366B2 JP 14124475 A JP14124475 A JP 14124475A JP 14124475 A JP14124475 A JP 14124475A JP S5520366 B2 JPS5520366 B2 JP S5520366B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT30014/74A IT1026663B (it) | 1974-11-29 | 1974-11-29 | Procedimento per preparare polve ri metalliche a base di ferro per registrzione hagnetica |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5177900A JPS5177900A (https=) | 1976-07-06 |
| JPS5520366B2 true JPS5520366B2 (https=) | 1980-06-02 |
Family
ID=11228860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14124475A Expired JPS5520366B2 (https=) | 1974-11-29 | 1975-11-27 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4056410A (https=) |
| JP (1) | JPS5520366B2 (https=) |
| DE (1) | DE2553635A1 (https=) |
| IT (1) | IT1026663B (https=) |
| NL (1) | NL7513785A (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6017802B2 (ja) * | 1975-09-05 | 1985-05-07 | 株式会社日立製作所 | 強磁性金属粉末の製造方法 |
| JPS5376957A (en) * | 1976-12-20 | 1978-07-07 | Hitachi Maxell | Magnetic metal iron powder and said manufacturing process |
| US4305752A (en) * | 1979-07-30 | 1981-12-15 | Pfizer Inc. | Metallic iron particles for magnetic recording |
| US4256484A (en) * | 1979-07-30 | 1981-03-17 | Pfizer Inc. | Metallic iron particles for magnetic recording |
| DE3167164D1 (en) * | 1980-05-30 | 1984-12-20 | Hitachi Maxell | Process for preparing ferromagnetic particles comprising metallic iron |
| JPS5763605A (en) * | 1980-10-01 | 1982-04-17 | Kanto Denka Kogyo Kk | Manufacture of metallic magnetic powder |
| JPS59562B2 (ja) * | 1981-10-01 | 1984-01-07 | 工業技術院長 | 強磁性金属粉末およびその製造方法 |
| DE3204547A1 (de) * | 1982-02-10 | 1983-08-18 | Basf Ag, 6700 Ludwigshafen | Nadelfoermiges ferrimagnetisches eisenoxid und verfahren zu seiner herstellung |
| DE3516884A1 (de) * | 1985-05-10 | 1986-11-13 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung nadelfoermiger, im wesentlichen aus eisen bestehender ferromagnetischer metallteilchen |
| FR2587990B1 (fr) * | 1985-09-30 | 1987-11-13 | Centre Nat Rech Scient | Compositions d'oxydes magnetiques particulaires a structure de type spinelle lacunaire, leur preparation et leur application |
| US4826671A (en) * | 1986-03-14 | 1989-05-02 | Basf Aktiengesellschaft | Preparation of acicular α-Fe2 O3 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2651105A (en) * | 1942-04-07 | 1953-09-08 | Electro Chimie Metal | Manufacture of permanent magnets |
| NL160106C (nl) * | 1968-01-31 | 1979-09-17 | Philips Nv | Werkwijze ter bereiding van een in hoofdzaak uit ijzer bestaand magnetisch stabiel poeder, voor magnetische registratie. |
| NL162233C (nl) * | 1968-03-05 | 1980-04-15 | Philips Nv | Werkwijze ter bereiding van een in hoofdzaak uit ijzer bestaand magnetisch stabiel poeder, voor magnetische registratie. |
| NL6909443A (https=) * | 1969-06-20 | 1970-12-22 | ||
| US3634063A (en) * | 1970-04-23 | 1972-01-11 | Ampex | Acicular, stable magnetic iron particles |
| US3669643A (en) * | 1970-05-05 | 1972-06-13 | Bell Telephone Labor Inc | Method for the preparation of small cobalt particles |
| JPS4922630B1 (https=) * | 1970-06-23 | 1974-06-10 |
-
1974
- 1974-11-29 IT IT30014/74A patent/IT1026663B/it active
-
1975
- 1975-11-26 NL NL7513785A patent/NL7513785A/xx not_active Application Discontinuation
- 1975-11-27 JP JP14124475A patent/JPS5520366B2/ja not_active Expired
- 1975-11-28 US US05/635,985 patent/US4056410A/en not_active Expired - Lifetime
- 1975-11-28 DE DE19752553635 patent/DE2553635A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2553635A1 (de) | 1976-06-10 |
| NL7513785A (nl) | 1976-06-01 |
| IT1026663B (it) | 1978-10-20 |
| US4056410A (en) | 1977-11-01 |
| JPS5177900A (https=) | 1976-07-06 |