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Patent details

1171389 Title: COMPOSITION ET PROCEDE PERMETTANT DE PRECIPITER LES IONS METALLIQUES DES EAUX RESIDUAIRES ISSUES DU TRAITEMENT DES SEMI-CONDUCTEURS TOUT EN AMELIORANT LE FONCTIONNEMENT D'UN MICROFILTRE

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Basic information

Application number:
999629652
WO application number:
US1999028477
Type:
European patent granted for BE
Status:
Publication number:
1171389
WO publication number:
WO 2000/041974
1rst applicant's nationality:
Translation language:
French
EPO publication language:
English
SPC number:

Dates

Filing date:
02/12/1999
Grant date:
22/07/2009
EP publication date:
WO publication date:
Claims translation received date:
Translation received date (EP publication B1):
13/08/2009
Translation received date (EP publication B2):
Translation received date (EP publication B3):
Registration date:
EP B1 publication date:
22/07/2009
EP B2 publication date:
EP B3 publication date:
Lapsed date:
31/12/2009
Expiration date (if granted and all annual fees paid):

Applicant

Name:
NALCO CHEMICAL COMPANY
Legal Form:
From:
22/07/2009
Address:
One Nalco Center Naperville Illinois 60563-1198(US), US
To:

Priority

Priority patent number:
232485
Priority date:
15/01/1999
Priority country:
United States (US)

Classification

IPC or IDT classification:
C02F 1/62;

Additional information section

Status:
Case kind / Max duration / Publication code:
Basic patent details (Patent law 1854):
Representative details:
FRENNET Pierre-Paul-OFFICE KIRKPATRICK S.A.-Avenue Wolfers 32 - B 1310 LA HULPE
Inventor(s) details:
SALMEN, Kristine, S.;KOWALSKI, Angela, S.;ZEIHER, E., H., Kelle;WARD, William, J.;
History of owners:
Filing date Document type Publication Type Document Description Number of pages File Type
13/08/2009 General Document (TP - T:Traduction Originale plus Pouvoir) 30 PDF /9/8/3/1/7/0611171389/migrated-docs/999629652_1_248904.pdf