EP 3774114 A1 20210217 - CLEANING OF FOUNDRY MOLDS
Title (en)
CLEANING OF FOUNDRY MOLDS
Title (de)
REINIGUNG VON GIESSEREIFORMEN
Title (fr)
NETTOYAGE DE MOULES DE FONDERIE
Publication
Application
Priority
- EP 18165295 A 20180330
- EP 2019057042 W 20190321
Abstract (en)
[origin: WO2019185437A1] The present invention relates to a method of disintegrating a foundry mold comprising sand and a polyurethane binder. The present invention further relates to a method of disintegrating a foundry mold by contacting it with a composition comprising at least one carboxylic acid amide and at least one alkanolamine.
IPC 8 full level
B22C 1/22 (2006.01); B22C 5/08 (2006.01); B22D 29/00 (2006.01); B22D 31/00 (2006.01); C23G 1/00 (2006.01)
CPC (source: EP US)
B22C 1/2233 (2013.01 - US); B22C 1/2273 (2013.01 - EP US); B22C 5/08 (2013.01 - EP US); B22D 29/00 (2013.01 - EP); B22D 29/002 (2013.01 - EP US); B22D 31/002 (2013.01 - EP US)
Citation (search report)
See references of WO 2019185437A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2019185437 A1 20191003; BR 112020019796 A2 20210105; CN 111936252 A 20201113; EP 3774114 A1 20210217; JP 2021519214 A 20210810; MX 2020010276 A 20201106; RU 2020135681 A 20220504; US 2021114090 A1 20210422
DOCDB simple family (application)
EP 2019057042 W 20190321; BR 112020019796 A 20190321; CN 201980024473 A 20190321; EP 19711120 A 20190321; JP 2020552244 A 20190321; MX 2020010276 A 20190321; RU 2020135681 A 20190321; US 201917042240 A 20190321