Global Patent Index - EP 0719239 A4

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EP 0719239 A4 19980729 - MIXED LIQUOR WASTING SYSTEM AND METHOD

Title (en)

MIXED LIQUOR WASTING SYSTEM AND METHOD

Title (de)

ABWASSERBEHANDLUNGSSYSTEM UND -METHODE MIT GEMISCHTER FLÜSSIGKEIT

Title (fr)

SYSTEME ET PROCEDE DE TRAITEMENT DE LIQUEUR MELANGEE

Publication

EP 0719239 A4 19980729 (EN)

Application

EP 93923113 A 19930916

Priority

US 9308760 W 19930916

IPC 1-7

IPC 8 full level

B01D 21/00 (2006.01); C02F 3/00 (2006.01); C02F 3/02 (2006.01); C02F 3/12 (2006.01)

CPC (source: EP US)

B01D 21/0018 (2013.01 - EP); B01D 21/0024 (2013.01 - EP); B01D 21/0042 (2013.01 - EP); B01D 21/06 (2013.01 - EP); B01D 21/2405 (2013.01 - EP); B01D 21/2427 (2013.01 - EP); B01D 21/2444 (2013.01 - EP); B01D 21/2461 (2013.01 - EP); B01D 21/32 (2013.01 - EP); B01D 21/34 (2013.01 - EP); C02F 3/006 (2013.01 - EP); C02F 3/1257 (2013.01 - EP US); C02F 2209/11 (2013.01 - EP); C02F 2209/42 (2013.01 - EP); C02F 2209/44 (2013.01 - EP); Y02W 10/10 (2015.05 - EP); Y10S 210/926 (2013.01 - EP)

Citation (search report)

[XA] US 4952310 A 19900828 - MCMAHAN ANTHONY A [US], et al
[A] US 4711721 A 19871208 - JAMONET BERNARD [FR], et al
[A] PATENT ABSTRACTS OF JAPAN vol. 010, no. 377 (C - 392) 16 December 1986 (1986-12-16) & DATABASE WPI Section Ch Week 8608, Derwent World Patents Index; Class D15, AN 86-242438, XP002064742, "Digestive tank supernant liquor treatment - by returning it to condensing tank with primary tank sludge"
See references of WO 9507862A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

AU 5290693 A 19950403; AU 687759 B2 19980305; EP 0719239 A1 19960703; EP 0719239 A4 19980729

DOCDB simple family (application)

AU 5290693 A 19930916; EP 93923113 A 19930916