Global Patent Index - EP 3802477 A1

EP 3802477 A1 20210414 - METHOD FOR PRODUCING ACETYLACETONATE FROM A HYDRATED OR ANHYDROUS CHEMICAL ELEMENT

Title (en)

METHOD FOR PRODUCING ACETYLACETONATE FROM A HYDRATED OR ANHYDROUS CHEMICAL ELEMENT

Title (de)

VERFAHREN ZUR HERSTELLUNG VON ACETYLACETONAT AUS EINEM WASSERHALTIGEN ODER WASSERFREIEN CHEMISCHEN ELEMENT

Title (fr)

PROCÉDÉ DE PRÉPARATION DE L'ACÉTYLACÉTONATE D'UN ÉLÉMENT CHIMIQUE HYDRATÉ OU ANHYDRE

Publication

EP 3802477 A1 20210414 (FR)

Application

EP 19735369 A 20190605

Priority

  • FR 1854881 A 20180605
  • FR 2019051345 W 20190605

Abstract (en)

[origin: WO2019234356A1] The invention relates to a method for producing acetylacetonate from a hydrated or anhydrous chemical element Me, where the chemical element Me is selected from the alkaline-earth metals, the transition metals and the lanthanides, said method comprising a step of reacting, in an aqueous medium, Me oxide or hydroxide introduced in a solid form and acetylacetone, the acetylacetone being in excess compared to the Me oxide or hydroxide.

IPC 8 full level

C07C 45/77 (2006.01); C07C 49/92 (2006.01); C07F 9/00 (2006.01)

CPC (source: EP KR US)

C07C 45/77 (2013.01 - EP KR US); C07C 49/92 (2013.01 - KR); C07F 9/00 (2013.01 - EP)

C-Set (source: EP)

C07C 45/77 + C07C 49/92

Citation (search report)

See references of WO 2019234356A1

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)

FR 3081868 A1 20191206; FR 3081868 B1 20201106; EP 3802477 A1 20210414; KR 20210018258 A 20210217; US 2021238118 A1 20210805; WO 2019234356 A1 20191212

DOCDB simple family (application)

FR 1854881 A 20180605; EP 19735369 A 20190605; FR 2019051345 W 20190605; KR 20207034695 A 20190605; US 201916972334 A 20190605