Global Patent Index - EP 1031170 A1

EP 1031170 A1 20000830 - 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 20000830 (EN)

Application

EP 99941138 A 19990817

Priority

  • US 9918499 W 19990817
  • US 9696398 P 19980818

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

H01M 10/34; H01M 2/14; H01M 2/16

IPC 8 full level

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 (source: EP)

H01M 10/121 (2013.01); H01M 50/40 (2021.01); H01M 50/431 (2021.01); H01M 50/44 (2021.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01); Y02E 60/10 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

WO 0011746 A1 20000302; WO 0011746 A8 20000720; AU 5485099 A 20000314; CA 2306691 A1 20000302; EP 1031170 A1 20000830; JP 2002523880 A 20020730; KR 20010031203 A 20010416

DOCDB simple family (application)

US 9918499 W 19990817; AU 5485099 A 19990817; CA 2306691 A 19990817; EP 99941138 A 19990817; JP 2000566913 A 19990817; KR 20007004150 A 20000418