EP 4153556 A1 20230329 - METHOD FOR PREPARING ACRYLIC ACID FROM BETA-PROPIOLACTONE
Title (en)
METHOD FOR PREPARING ACRYLIC ACID FROM BETA-PROPIOLACTONE
Title (de)
VERFAHREN ZUR HERSTELLUNG VON ACRYLSÄURE AUS BETA-PROPIOLACTON
Title (fr)
PROCEDE DE PREPARATION D'ACIDE ACRYLIQUE A PARTIR DE BETA-PROPIOLACTONE
Publication
Application
Priority
- FR 2005098 A 20200519
- EP 2021063014 W 20210517
Abstract (en)
[origin: WO2021233839A1] The present invention relates to a method for preparing acrylic acid from β-propriolactane and to the uses thereof. The process of the invention is based on a specific reactivity of β-propriolactane whereby acrylic acid is formed under operating conditions that are mild, especially in terms of temperature.
IPC 8 full level
C07C 51/09 (2006.01); C07C 57/04 (2006.01)
CPC (source: EP US)
B01J 20/264 (2013.01 - US); B01J 20/28038 (2013.01 - US); B01J 20/321 (2013.01 - US); B01J 20/3217 (2013.01 - US); B01J 20/3278 (2013.01 - US); B01J 20/3293 (2013.01 - US); B01J 27/08 (2013.01 - US); C02F 1/288 (2013.01 - US); C07C 51/09 (2013.01 - EP US); C07C 51/44 (2013.01 - US); C08F 255/02 (2013.01 - US); C09K 3/32 (2013.01 - US); D06M 13/203 (2013.01 - US); C02F 1/285 (2013.01 - US); D06M 2101/20 (2013.01 - US); D06M 2200/00 (2013.01 - US)
C-Set (source: EP)
Citation (search report)
See references of WO 2021233839A1
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)
FR 3110570 A1 20211126; FR 3110570 B1 20220520; EP 4153556 A1 20230329; JP 2023526331 A 20230621; US 2023192585 A1 20230622; WO 2021233839 A1 20211125
DOCDB simple family (application)
FR 2005098 A 20200519; EP 2021063014 W 20210517; EP 21725208 A 20210517; JP 2022569522 A 20210517; US 202117926107 A 20210517