Global Patent Index - EP 0714993 B1

EP 0714993 B1 2000-03-08 - Deep drawable and weldable AlMgSi type aluminium alloy

Title (en)

Deep drawable and weldable AlMgSi type aluminium alloy

Title (de)

Tiefziehbare und schweissbare Aluminiumlegierung vom Typ ALMgSi

Title (fr)

Alliage d'aluminium du type AlMgSi soudable et apte à l'emboutissage profond

Publication

EP 0714993 B1 (DE)

Application

EP 95810691 A

Priority

CH 360094 A

Abstract (en)

[origin: EP0714993A1] AlMgSi-type Al alloy contains Mg and Si in amounts defined by ABCDE where: A = 0.5 Si;0.35 Mg B = 0.5 Si;0.6 Mg C = 0.95 Si;0.6 Mg D = 0.95 Si;0.4 Mg E = 0.8 Si;0.35 Mg. The alloy also contains 0.05-0.4 Cu; max. 0.15 Mn; max. 0.25 Fe plus other elements upto max. 0.05 per element and 0.15 in total; balance Al.

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

C22C 21/02; C22C 21/08; C22F 1/043; C22F 1/047

IPC 8 full level (invention and additional information)

C22C 21/02 (2006.01); C22C 21/08 (2006.01); C22F 1/043 (2006.01); C22F 1/047 (2006.01)

CPC (invention and additional information)

C22F 1/043 (2013.01); C22C 21/02 (2013.01); C22C 21/08 (2013.01); C22F 1/047 (2013.01)

Designated contracting state (EPC)

CH DE FR GB LI

EPO simple patent family

EP 0714993 A1 19960605; EP 0714993 B1 20000308; CH 688379 A5 19970829; DE 59507951 D1 20000413

INPADOC legal status


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2008-08-31 [REG CH NV] NEW AGENT

- Representative's name: LUCHS & PARTNER PATENTANWAELTE

2008-08-31 [REG CH PUE] ASSIGNMENT

- Owner name: NOVELIS, INC.

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- Effective date: 20021113

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2001-02-07 [26] OPPOSITION FILED

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- Effective date: 20001208

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