Global Patent Index - EP 1074055 A1

EP 1074055 A1 2001-02-07 - BATTERY SEPARATOR

Title (en)

BATTERY SEPARATOR

Title (de)

BATTERIESEPARATOR

Title (fr)

SEPARATEUR DE PILE

Publication

EP 1074055 A1 (EN)

Application

EP 98963895 A

Priority

  • US 9826488 W
  • US 182097 A
  • US 5504198 A

Abstract (en)

[origin: WO9934459A1] A separator (16) for batteries that does not include a layer of membrane material is provided. The separator (16) includes two layers (16a, 16b) of materials that are disposed adjacent each other. The layers can be formed of the same or different materials. The materials can be woven or nonwoven. In certain embodiments, the layers are formed of the same nonwoven, non-membrane material which is a matrix of polyvinyl alcohol fibers, cellulose fibers and a polyvinyl alcohol binder.

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

H01M 2/16

IPC 8 full level (invention and additional information)

H01M 2/16 (2006.01); H01M 6/06 (2006.01); H01M 2/14 (2006.01); H01M 4/62 (2006.01)

CPC (invention and additional information)

H01M 2/1633 (2013.01); H01M 2/145 (2013.01); H01M 2/162 (2013.01); H01M 2/1626 (2013.01); H01M 2/1686 (2013.01); H01M 4/622 (2013.01); H01M 6/06 (2013.01)

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 9934459 A1 19990708; AR 014203 A1 20010207; AU 1913099 A 19990719; CA 2313645 A1 19990708; CN 1285958 A 20010228; EP 1074055 A1 20010207; EP 1074055 A4 20050713; JP 2002500416 A 20020108; TW 393795 B 20000611

INPADOC legal status


2008-09-17 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20080311

2008-04-02 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: THE GILLETTE COMPANY

2005-07-13 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20050531

2001-02-07 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000725

2001-02-07 [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