Global Patent Index - EP 4376970 A1

EP 4376970 A1 20240605 - PROCESS FOR THE CONTINUOUS DISTILLATION OF ACRYLATES

Title (en)

PROCESS FOR THE CONTINUOUS DISTILLATION OF ACRYLATES

Title (de)

VERFAHREN ZUR KONTINUIERLICHEN DESTILLATION VON ACRYLATEN

Title (fr)

PROCÉDÉ DE DISTILLATION CONTINUE D?ACRYLATES

Publication

EP 4376970 A1 20240605 (DE)

Application

EP 22761052 A 20220719

Priority

  • EP 21188534 A 20210729
  • EP 2022070157 W 20220719

Abstract (en)

[origin: WO2023006499A1] Disclosed is a process for the continuous distillation of acrylates by means of a rectification column, characterized in that the acrylate concentration in the feed line of the rectification column is at least 80 wt%, the liquid in the bottom region of the rectification column is heated by an evaporator, and the evaporator parts in contact with the product are made of stainless steel.

IPC 8 full level

B01D 3/32 (2006.01); C07C 67/54 (2006.01); C07C 69/54 (2006.01)

CPC (source: EP KR)

B01D 3/32 (2013.01 - EP KR); B01D 3/322 (2013.01 - EP); C07C 57/54 (2013.01 - EP); C07C 67/54 (2013.01 - KR); C07C 69/54 (2013.01 - KR)

C-Set (source: EP)

C07C 57/54 + C07C 69/54

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

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2023006499 A1 20230202; CA 3227565 A1 20230202; CN 117729967 A 20240319; EP 4376970 A1 20240605; JP 2024528014 A 20240726; KR 20240041972 A 20240401; TW 202313551 A 20230401

DOCDB simple family (application)

EP 2022070157 W 20220719; CA 3227565 A 20220719; CN 202280052632 A 20220719; EP 22761052 A 20220719; JP 2024505154 A 20220719; KR 20247006523 A 20220719; TW 111128251 A 20220728