Global Patent Index - EP 0793711 B1

EP 0793711 B1 2000-04-26 - CLEANING METHOD

Title (en)

CLEANING METHOD

Title (de)

REINIGUNGSVERFAHREN

Title (fr)

PROCEDE DE NETTOYAGE

Publication

EP 0793711 B1 (EN)

Application

EP 95940201 A

Priority

  • EP 9504537 W
  • GB 9423495 A

Abstract (en)

[origin: WO9616159A1] In a method of cleaning glass containers in a continuous feed process, an aqueous composition comprising an alkaline agent and a weak sequestrant. A typical alkaline agent is NaOH. Typical weak sequestrants are polyacrylates (e.g. MW < 10,000) and phosphonates.

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

C11D 7/60

IPC 8 full level (invention and additional information)

C11D 3/36 (2006.01); C11D 3/37 (2006.01); C11D 7/06 (2006.01)

CPC (invention and additional information)

C11D 3/3765 (2013.01); C11D 3/361 (2013.01); C11D 7/06 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family

WO 9616159 A1 19960530; AU 4173596 A 19960617; BR 9509693 A 19971014; DE 69516537 D1 20000531; DE 69516537 T2 20000810; EP 0793711 A1 19970910; EP 0793711 B1 20000426; ES 2145937 T3 20000716; FI 972124 A0 19970519; FI 972124 A 19970519; GB 9423495 D0 19950111; ZA 9509795 B 19970519