Global Patent Index - EP 1087911 A1

EP 1087911 A1 2001-04-04 - METHOD FOR PRECIPITATING OR FLOCCULATING SUBSTANCES OUT OF SOLUTIONS

Title (en)

METHOD FOR PRECIPITATING OR FLOCCULATING SUBSTANCES OUT OF SOLUTIONS

Title (de)

VERFAHREN ZUM FÄLLEN ODER AUSFLOCKEN VON INHALTSSTOFFEN AUS LÖSUNGEN

Title (fr)

PROCEDE POUR LA PRECIPITATION OU LA FLOCULATION DE SUBSTANCES DANS DES SOLUTIONS

Publication

EP 1087911 A1 (DE)

Application

EP 99916860 A

Priority

  • EP 99916860 A
  • EP 9901921 W
  • EP 98105346 A

Abstract (en)

[origin: WO9948822A1] The invention relates to a method for precipitating or flocculating substances out of solutions, whereby the solution is brought into contact with at least one ion exchanger material. Said ion exchanger material releases ions in the solution which bring about the precipitation or flocculation and/or comprises functional groups on the surface of said exchanger material which bring about the precipitation or flocculation in a catalytic manner.

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

C02F 1/52; C02F 1/42; C02F 5/02

IPC 8 full level (invention and additional information)

C02F 1/42 (2006.01); C02F 1/48 (2006.01); C02F 1/52 (2006.01); C02F 1/64 (2006.01); C02F 5/02 (2006.01); C02F 9/00 (2006.01)

CPC (invention and additional information)

C02F 5/02 (2013.01); C02F 1/42 (2013.01); C02F 1/48 (2013.01); C02F 1/52 (2013.01); C02F 1/5236 (2013.01); C02F 1/64 (2013.01); C02F 2103/023 (2013.01); C02F 2303/08 (2013.01)

Citation (search report)

See references of WO 9948822A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 9948822 A1 19990930; AT 293581 T 20050515; AU 3518399 A 19991018; AU 3519999 A 19991018; CA 2325395 A1 19990930; CA 2325395 C 20080219; DE 29917556 U1 20000113; DE 29923331 U1 20000810; DE 29923331 U8 20070531; DE 59812745 C5 20140828; DE 59812745 D1 20050525; DK 0957066 T3 20050704; EP 0957066 A1 19991117; EP 0957066 B1 20050420; EP 1087911 A1 20010404; EP 1515917 A1 20050323; ES 2241072 T3 20051016; US 6660167 B1 20031209; WO 9948821 A1 19990930

INPADOC legal status


2006-03-01 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20050819

2005-05-25 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20050408

2003-03-19 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: WATERCRYST CHEMIEFREIE WASSERBEHANDLUNG GMBH

2003-03-19 [RIN1] INVENTOR (CORRECTION)

- Inventor name: WALDER, GERHARD, DR.

2003-03-19 [RIN1] INVENTOR (CORRECTION)

- Inventor name: LEITER, KLAUS, DR.

2001-04-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000907

2001-04-04 [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

2001-04-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: RO PAYMENT 20000907;SI PAYMENT 20000907