Global Patent Index - EP 3426627 A1

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

EP 3426627 A1 20190116 (EN)

Application

EP 17718237 A 20170404

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