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: 155 263 406 patent documents

This week's update (19/04/2024 12:00 CET):

215 613 new documents added

1 342 057 documents amended

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EP 1053384 A1 20001122 - CLEANING OF DRILL CUTTINGS AND APPARATUS THERFOR

Title (en)

CLEANING OF DRILL CUTTINGS AND APPARATUS THERFOR

Title (de)

REINIGUNG VON BOHRKLEIN UND DAZU BENNTZTER APPARAT

Title (fr)

NETTOYAGE DES DEBRIS DE FORAGE ET DISPOSITIF CORRESPONDANT

Publication

EP 1053384 A1 20001122 (EN)

Application

EP 99903955 A 19990203

Priority

NO 9900037 W 19990203
US 7354698 P 19980203

Abstract (en)

[origin: WO9940292A1] The present invention comprises a process and apparatus for removing nonpolar organic contaminants including oil from particulate solids, wherein said solids are brought in contact with an extracting agent.

IPC 1-7

E21B 21/06; E21B 41/00

IPC 8 full level

E21B 21/06 (2006.01); E21B 41/00 (2006.01)

CPC (source: EP)

E21B 21/066 (2013.01)

Citation (search report)

See references of WO 9940292A1

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)

WO 9940292 A1 19990812; AU 2442799 A 19990823; CA 2319016 A1 19990812; EP 1053384 A1 20001122

DOCDB simple family (application)

NO 9900037 W 19990203; AU 2442799 A 19990203; CA 2319016 A 19990203; EP 99903955 A 19990203