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: 156 809 018 patent documents

This week's update (28/06/2024 12:00 CET):

176 501 new documents added

1 938 899 documents amended

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EP 0756515 A1 19970205 - LEACHING IN THE PRESENCE OF ABRASIVE

Title (en)

LEACHING IN THE PRESENCE OF ABRASIVE

Title (de)

AUSLAUGEN IN DER ANWESENHEIT VON SCHLEIFMITTEL

Title (fr)

PROCEDE DE LIXIVIATION EN PRESENCE D'ABRASIFS

Publication

EP 0756515 A1 19970205 (EN)

Application

EP 94916539 A 19940419

Priority

BR 9408572 A 19940419
US 9404257 W 19940419

IPC 1-7

B01F 1/00; C22B 15/00; C22B 23/00; B02C 19/00

IPC 8 full level

B01F 1/00 (2006.01); B02C 19/00 (2006.01); C22B 15/00 (2006.01); C22B 23/00 (2006.01)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

BR 9408572 A 19970826; EP 0756515 A1 19970205; EP 0756515 A4 19970319

DOCDB simple family (application)

BR 9408572 A 19940419; EP 94916539 A 19940419