Global Patent Index - EP 2091997 A1

EP 2091997 A1 20090826 - A METHOD FOR WASHING A POLYCARBONATE ARTICLE

Title (en)

A METHOD FOR WASHING A POLYCARBONATE ARTICLE

Title (de)

VERFAHREN ZUM WASCHEN EINES POLYCARBONATARTIKELS

Title (fr)

PROCÉDÉ DE LAVAGE D'UN ARTICLE EN POLYCARBONATE

Publication

EP 2091997 A1 20090826 (EN)

Application

EP 07869622 A 20071220

Priority

  • US 2007088307 W 20071220
  • EP 06026530 A 20061221
  • US 88502907 P 20070116
  • EP 07869622 A 20071220

Abstract (en)

[origin: WO2008079941A1] The present invention relates to a method for washing a polycarbonate (PC) article, wherein the PC article is washed with an acidic concentrate containing the following components: at least one strong acid and at least one compound selected from glycolic acid, benzoic acid, bromoacetic acid, sorbic acid, lactic acid, salicylic acid and caprylic acid, whereby component a) does not include any compounds from component b).

IPC 8 full level

C11D 3/00 (2006.01); C11D 3/02 (2006.01); C11D 3/20 (2006.01); C11D 3/39 (2006.01); C11D 7/08 (2006.01); C11D 7/26 (2006.01); C11D 11/00 (2006.01)

CPC (source: EP)

C11D 3/2075 (2013.01); C11D 7/08 (2013.01); C11D 7/265 (2013.01); C11D 2111/18 (2024.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2008079941 A1 20080703; EP 2091997 A1 20090826; EP 2091997 A4 20120104; EP 2091997 B1 20160817; MX 2009006754 A 20090702

DOCDB simple family (application)

US 2007088307 W 20071220; EP 07869622 A 20071220; MX 2009006754 A 20071220