Global Patent Index - EP 0764955 B1

EP 0764955 B1 2000-11-29 - Composite magnetic material with reduced permeability and losses

Title (en)

Composite magnetic material with reduced permeability and losses

Title (de)

Kompositmagnetmaterial mit reduzierte Permeabilität und Verluste

Title (fr)

Matériau magnétique composite à perméabilité et pertes réduites

Publication

EP 0764955 B1 (FR)

Application

EP 96401962 A

Priority

FR 9510952 A

Abstract (en)

[origin: EP0764955A1] Composite magnetic material having reduction in the permeability when exposed to a magnetic field of frequencies lower than approximately 100 MHz, consisting of ceramic polycrystalline magnetic plates (5) dispersed in a dielectric binder (6) and orientated so that their faces are parallel to the magnetic field and are in contact with each other. Also claimed are: (i) prodn. of the magnetic material; (ii) a magnetic core consisting of the magnetic material; (iii) inductor comprising the magnetic core; and (iv) a transformer comprising the magnetic core.

IPC 1-7 (main, further and additional classification)

H01F 1/37

IPC 8 full level (invention and additional information)

H01F 1/34 (2006.01); H01F 1/37 (2006.01); H01F 27/24 (2006.01)

CPC (invention and additional information)

H01F 1/37 (2013.01)

Designated contracting state (EPC)

AT DE FR GB NL

EPO simple patent family

EP 0764955 A1 19970326; EP 0764955 B1 20001129; AT 197855 T 20001215; CA 2185930 A1 19970320; DE 69611072 D1 20010104; DE 69611072 T2 20010510; FR 2738949 A1 19970321; FR 2738949 B1 19971024; JP H09129434 A 19970516; US 6120916 A 20000919

INPADOC legal status


2003-07-11 [REG FR ST] NOTIFICATION OF LAPSE

2003-06-03 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Effective date: 20030603

2003-04-30 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20020913

2003-04-01 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2003-04-01 [PG25 NL] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2002-09-27 [REG FR CD] CHANGE OF NAME OR COMPANY NAME

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2002-09-13 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20020913

2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-12-03 [NLT2] NL: MODIFICATIONS (OF NAMES), TAKEN FROM THE EUROPEAN PATENT PATENT BULLETIN

- Owner name: THALES

2001-11-21 [26N] NO OPPOSITION FILED

2001-10-04 [RAP2] TRANSFER OF RIGHTS OF AN EP GRANTED PATENT

- Owner name: THALES

2001-09-27 [PGFP AT] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2001-08-30 [PGFP NL] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2001-08-21 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2001-03-28 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20010302

2001-01-04 [REF] CORRESPONDS TO:

- Document: DE 69611072 20010104

2000-11-29 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): AT DE FR GB NL

2000-11-29 [REF] CORRESPONDS TO:

- Document: AT 197855 T 20001215

2000-01-19 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19990311

1999-04-28 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19990311

1997-06-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19970426

1997-03-26 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT DE FR GB NL