Global Patent Index - EP 1031170 A1

EP 1031170 A1 2000-08-30 - SEPARATOR FOR LEAD-ACID CELLS OR BATTERIES

Title (en)

SEPARATOR FOR LEAD-ACID CELLS OR BATTERIES

Title (de)

SEPARATOR FÜR BLEISÄURE-ZELLEN ODER BATTERIEN

Title (fr)

SEPARATEUR POUR ACCUMULATEURS OU BATTERIES AU PLOMB

Publication

EP 1031170 A1 (EN)

Application

EP 99941138 A

Priority

  • US 9918499 W
  • US 9696398 P

Abstract (en)

[origin: WO0011746A1] Enhanced performance over the service life of sealed lead-acid cells and batteries is achieved by utilizing separators having preselected characteristics, including a load cell pressure of at least about 6.0 at two months, saturation and stratification characteristics having a variance of no more than about 10 %, a maximum pore size below about 15 microns and a mean pore size of less than about 2.8.

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

H01M 10/34; H01M 2/14; H01M 2/16

IPC 8 full level (invention and additional information)

H01M 2/14 (2006.01); H01M 2/16 (2006.01); H01M 2/18 (2006.01); H01M 10/12 (2006.01); H01M 10/34 (2006.01)

CPC (invention and additional information)

H01M 10/121 (2013.01); H01M 2/14 (2013.01); H01M 2/1613 (2013.01); H01M 2/1633 (2013.01); H01M 2/1666 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

WO 0011746 A1 20000302; WO 0011746 A8 20000720; AU 5485099 A 20000314; CA 2306691 A1 20000302; EP 1031170 A1 20000830; JP 2002523880 A 20020730

INPADOC legal status


2004-05-19 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION):

- Designated State(s): DE ES FR GB IT

2002-10-23 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20020305

2001-12-19 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20011102

2000-08-30 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000410

2000-08-30 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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