Global Patent Index - EP 1017753 A1

EP 1017753 A1 2000-07-12 - ELECTRICALLY CONDUCTIVE NON-AQUEOUS WELLBORE FLUIDS

Title (en)

ELECTRICALLY CONDUCTIVE NON-AQUEOUS WELLBORE FLUIDS

Title (de)

ELEKTRISCH-LEITFÄHIGE, NICHT-WÄSSRIGE BOHRFLÜSSIGKEIT

Title (fr)

LIQUIDES DE FORAGE NON AQUEUX CONDUCTEURS

Publication

EP 1017753 A1 (EN)

Application

EP 98948937 A

Priority

  • EP 98948937 A
  • EP 9805718 W
  • EP 9705045 W

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

C09K 7/06

Citation (search report)

See references of WO 9914286A1

Designated contracting state (EPC)

DE DK FR GB IE IT NL

EPO simple patent family

EP 1017753 A1 20000712

INPADOC legal status


2004-09-01 [18R] REFUSED

- Effective date: 20031117

2002-01-02 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20011119

2000-07-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000315

2000-07-12 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE DK FR GB IE IT NL