Global Patent Index - EP 2635555 A2

EP 2635555 A2 2013-09-11 - PROCESS FOR THE PREPARATION OF CYCLIC IMIDES, OF DERIVATIVES THEREOF AND USES

Title (en)

PROCESS FOR THE PREPARATION OF CYCLIC IMIDES, OF DERIVATIVES THEREOF AND USES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON ZYKLISCHEN IMIDEN, DEREN DERIVATEN UND VERWENDUNG

Title (fr)

PROCÉDÉ DE PRÉPARATION D'IMIDES CYCLIQUES, DE LEURS DÉRIVÉS ET UTILISATIONS

Publication

EP 2635555 A2 (FR)

Application

EP 11832148 A

Priority

  • FR 1058996 A
  • FR 2011052548 W

Abstract (en)

[origin: WO2012059680A2] The subject of the present invention is a process for the preparation of imides and also the uses thereof, especially as intermediates for the preparation of solvents, in particular of diester solvents. More specifically, the invention relates to a process for preparing cyclic imides and derivatives thereof, especially the corresponding carboxylic acid diesters.

IPC 8 full level (invention and additional information)

C07D 211/88 (2006.01); C07C 67/18 (2006.01); C07C 69/34 (2006.01); C07D 207/40 (2006.01); C07D 207/404 (2006.01); C07D 211/02 (2006.01)

CPC (invention and additional information)

C07D 211/88 (2013.01); C07C 67/20 (2013.01); C07D 207/404 (2013.01); C09K 3/00 (2013.01)

Combination set (CPC)

  1. C07C 67/20 + C07C 69/34
  2. C07C 67/20 + C07C 69/42

Citation (search report)

See references of WO 2012059680A2

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

EPO simple patent family

WO 2012059680 A2 20120510; WO 2012059680 A3 20120712; CN 103261159 A 20130821; EP 2635555 A2 20130911; US 2013327988 A1 20131212

INPADOC legal status


2017-05-31 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20161207

2016-08-24 [INTG] ANNOUNCEMENT OF INTENTION TO GRANT

- Effective date: 20160727

2015-04-22 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20150324

2014-02-05 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) (DELETED)

2013-09-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20130423

2013-09-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): 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