Global Patent Index - EP 2688698 A1

EP 2688698 A1 20140129 - FOUNDRY BINDER SYSTEMS

Title (en)

FOUNDRY BINDER SYSTEMS

Title (de)

GIESSEREIBINDERSYSTEME

Title (fr)

SYSTÈMES LIANTS DE FONDERIE

Publication

EP 2688698 A1 20140129 (FR)

Application

EP 12718327 A 20120320

Priority

  • FR 1152347 A 20110322
  • IB 2012000539 W 20120320

Abstract (en)

[origin: WO2012127299A1] The present invention relates to foundry binder systems forming a polyurethane that can be hardened with a catalytically effective amount of a hardening catalyst, comprising at least one phenolic resin component comprising at least: a phenolic resin and a solvent of triacetin type and a polyisocyanate component. The invention also relates to foundry mixes prepared from binder and an aggregate, foundry forms such as cores and moulds prepared by no-bake or cold-box processes, and also the respective processes. The foundry forms obtained by the present invention are in particular used for manufacturing metal parts, especially for casting metal parts.

IPC 8 full level

B22C 1/22 (2006.01); C08G 18/08 (2006.01); C08G 18/54 (2006.01); C08L 75/04 (2006.01)

CPC (source: EP US)

B22C 1/2253 (2013.01 - EP US); B22C 1/2273 (2013.01 - EP US); C08G 18/0852 (2013.01 - EP US); C08G 18/542 (2013.01 - EP US)

Citation (search report)

See references of WO 2012127299A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2012127299 A1 20120927; AR 085479 A1 20131002; BR 112013023910 A2 20161213; CN 103442824 A 20131211; EP 2688698 A1 20140129; FR 2972946 A1 20120928; FR 2972946 B1 20130329; US 2014018468 A1 20140116

DOCDB simple family (application)

IB 2012000539 W 20120320; AR P120100940 A 20120322; BR 112013023910 A 20120320; CN 201280014291 A 20120320; EP 12718327 A 20120320; FR 1152347 A 20110322; US 201214001241 A 20120320