Global Patent Index - EP 1097485 A1

EP 1097485 A1 2001-05-09 - PURIFICATION OF BATTERY ELECTROLYTES BY MEANS OF CHEMICAL ADSORPTION

Title (en)

PURIFICATION OF BATTERY ELECTROLYTES BY MEANS OF CHEMICAL ADSORPTION

Title (de)

AUFREINIGUNG VON BATTERIEELEKTROLYTEN MITTELS CHEMISCHER ADSORPTION

Title (fr)

PURIFICATION D'ELECTROLYTES POUR ACCUMULATEURS A L'AIDE DE L'ADSORPTION CHIMIQUE

Publication

EP 1097485 A1 (DE)

Application

EP 99929150 A

Priority

  • DE 19827630 A
  • EP 9903937 W

Abstract (en)

[origin: WO9967843A1] The present invention relates to the removal of protic impurities from battery electrodes which are suitable for lithium cells by means of chemical adsorption.

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

H01M 6/16; B01D 15/00; B01J 20/32

IPC 8 full level (invention and additional information)

B01D 15/00 (2006.01); B01J 20/32 (2006.01); H01M 6/16 (2006.01); H01M 10/40 (2006.01)

CPC (invention and additional information)

H01M 6/16 (2013.01); B01J 20/103 (2013.01); B01J 20/261 (2013.01); B01J 20/3204 (2013.01); B01J 20/321 (2013.01); B01J 20/3248 (2013.01); B01J 2220/58 (2013.01); H01M 6/164 (2013.01); H01M 6/166 (2013.01)

Citation (search report)

See references of WO 9967843A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 9967843 A1 19991229; AU 4606499 A 20000110; CA 2336206 A1 19991229; CN 1306681 A 20010801; DE 19827630 A1 20000427; EP 1097485 A1 20010509; JP 2002519821 A 20020702; KR 20010052939 A 20010625; TW 469662 B 20011221; US 6573002 B1 20030603

INPADOC legal status


2003-12-17 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030607

2001-08-29 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010717

2001-05-09 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001109

2001-05-09 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

2001-05-09 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: LT PAYMENT 20001109;LV PAYMENT 20001109;SI PAYMENT 20001109