Title (en)

POLYMERIC BONDED METAL MAGNET WITH CORROSION RESISTANT METAL PARTICLES

Publication

EP 0260870 A3 19890419 (EN)

Application

EP 87307965 A 19870909

Priority

US 90681986 A 19860912

Abstract (en)

[origin: EP0260870A2] A highly stable, non-pyrophoric, highly corrosion resistant magnetic powder provided by treating magnetic particles with a solution containing chromate or dichromate ions and polymeric magnets containing the powder.

IPC 1-7

H01F 1/06; H01F 1/08

IPC 8 full level

B22F 1/00 (2006.01); B22F 1/02 (2006.01); C22C 19/07 (2006.01); C22C 38/00 (2006.01); H01F 1/055 (2006.01); H01F 1/057 (2006.01)

CPC (source: EP KR)

H01F 1/0558 (2013.01 - EP); H01F 1/0572 (2013.01 - EP); H01F 1/0578 (2013.01 - EP); H01F 10/12 (2013.01 - KR)

Citation (search report)

• [X] EP 0043921 A1 19820120 - BASF AG [DE]
• [A] EP 0190461 A2 19860813 - SUMITOMO SPEC METALS [JP]
• [AD] US 3932293 A 19760113 - RODEN JOHN S

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0260870 A2 19880323; EP 0260870 A3 19890419; JP S6376801 A 19880407; KR 880004508 A 19880604

DOCDB simple family (application)

EP 87307965 A 19870909; JP 22821687 A 19870911; KR 870010104 A 19870911