Patent EP0289979A1 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0289979A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Plastic magnets

Assignee: SAWAFUJI CO Ltd
•
Filing: 1988-05-02
•
Granted: —
•
Expires: 2008-05-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Plastic magnets comprising Nd-Fe-B group alloys powder, ferrite magnetic powder and phenol resin binding agent offering lower­intermediary-high magnetic power as desired.

Inventors

  • 👤 Tadashi Sawafuji

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 08:53
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04; H01F1/047; H01F1/053; H01F1/055; H01F1/057; H01F1/0571; H01F1/0575; H01F1/0578

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 24 words
(1) Plastic magnets having the characteristics of a composite moulded pieces comprising Nd-Fe-B group alloys powder, ferrite magnet powder and phenol resin binding agent.

References Cited (Backward Citations)

US4022701A Cited
US4308155A Cited
US4184972A Cited
DE3006736A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag