GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 159 823 134 patent documents

This week's update (15/11/2024 12:00 CET):

143 307 new documents added

1 003 170 documents amended

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EP 0924309 A3 19990908 - Tantalum-containing nickel base superalloy

Title (en)

Tantalum-containing nickel base superalloy

Title (de)

Nickelsuperlegierung mit Tantal

Title (fr)

Une superalliage avec tantale

Publication

EP 0924309 A3 19990908 (EN)

Application

EP 98309980 A 19981204

Priority

US 99190097 A 19971217

Abstract (en)

[origin: EP0924309A2] A tantalum-containing nickel base superalloy strengthened by gamma precipitates has greatly improved temperature capability, with a fatigue cracking resistance substantially independent of the fatigue frequency and waveform up to about 1500 DEG F. <IMAGE>

IPC 1-7

C22C 19/05

IPC 8 full level

C22C 1/04 (2006.01); C22C 19/05 (2006.01)

CPC (source: EP)

C22C 1/0433 (2013.01); C22C 19/056 (2013.01)

Citation (search report)

[X] US 5662749 A 19970902 - CHANG KEH-MINN [US]

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0924309 A2 19990623; EP 0924309 A3 19990908

DOCDB simple family (application)

EP 98309980 A 19981204