Global Patent Index - EP 0972001 A1

EP 0972001 A1 2000-01-19 - SEPARATION OF HEAVY METALS AND MATERIALS FOR USE IN THIS

Title (en)

SEPARATION OF HEAVY METALS AND MATERIALS FOR USE IN THIS

Title (de)

TRENNUNG VON SCHWERMETALLEN SOWIE HIERFÜR VERWENDETE MATERIALIEN

Title (fr)

SEPARATION DES METAUX LOURDS ET MATERIAUX UTILISES A CETTE FIN

Publication

EP 0972001 A1 (EN)

Application

EP 98901790 A

Priority

  • EP 98901790 A
  • EP 97870004 A
  • US 9800591 W

Abstract (en)

[origin: EP0853986A1] The present invention concerns a method for separating heavy metals from contaminated substrates with compositions comprising [S,S]-EDDS.

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

C11D 3/33

IPC 8 full level (invention and additional information)

B09C 1/02 (2006.01); B09C 1/08 (2006.01); C02F 1/42 (2006.01); C02F 1/46 (2006.01); C02F 1/68 (2006.01); C02F 9/00 (2006.01); C11D 3/33 (2006.01); C22B 3/16 (2006.01); C22B 3/32 (2006.01); C22B 7/00 (2006.01)

CPC (invention and additional information)

C22B 7/006 (2013.01); B09C 1/02 (2013.01); C02F 1/26 (2013.01); C02F 1/683 (2013.01); C22B 3/0024 (2013.01); C22B 3/165 (2013.01); C02F 1/5236 (2013.01); C02F 2001/007 (2013.01); C02F 2101/20 (2013.01); C02F 2303/16 (2013.01); Y02P 10/234 (2015.11); Y02P 10/238 (2015.11)

Citation (search report)

See references of WO 9831779A1

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

EP 0853986 A1 19980722; AU 5822898 A 19980807; AU 737654 B2 20010823; CA 2277156 A1 19980723; EP 0972001 A1 20000119; JP 2001509734 A 20010724; KR 100371823 B1 20030211; NZ 503926 A 20030630; WO 9831779 A1 19980723; ZA 9800311 B 19980717

INPADOC legal status


2005-03-02 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040803

2000-01-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19990729

2000-01-19 [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