EP 3426627 A1 20190116 - METHODS FOR THE PRODUCTION OF , -UNSATURATED CARBOXYLIC ACIDS AND SALTS THEREOF
Title (en)
METHODS FOR THE PRODUCTION OF , -UNSATURATED CARBOXYLIC ACIDS AND SALTS THEREOF
Title (de)
VERFAHREN ZUR HERSTELLUNG VON UNGESÄTTIGTEN CARBONSÄUREN UND SALZEN DAVON
Title (fr)
PROCÉDÉS DE PRODUCTION D'ACIDES CARBOXYLIQUES , -INSATURÉS ET DE SELS DE CEUX-CI
Publication
Application
Priority
- US 201615091794 A 20160406
- US 2017025837 W 20170404
Abstract (en)
[origin: WO2017176669A1] Processes for producing an α,β-unsaturated carboxylic acid, such as acrylic acid, or a salt thereof, using treated solid oxides are disclosed. The treated solid oxides can be calcined solid oxides, metal-treated solid oxides, or metal-treated chemically-modified solid oxides, illustrative examples of which can include sodium-treated alumina, calcium-treated alumina, zinc-treated alumina, sodium-treated sulfated alumina, sodium-treated fluorided silica-coated alumina, and similar materials.
IPC 8 full level
C07C 51/15 (2006.01)
CPC (source: CN EP)
C07C 51/15 (2013.01 - CN EP); C07C 67/00 (2013.01 - CN)
Citation (search report)
See references of WO 2017176669A1
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 2017176669 A1 20171012; CN 109071398 A 20181221; CN 109071398 B 20220927; CN 115433075 A 20221206; EP 3426627 A1 20190116
DOCDB simple family (application)
US 2017025837 W 20170404; CN 201780022267 A 20170404; CN 202211087783 A 20170404; EP 17718237 A 20170404