EP 2516450 A1 20121031 - METHOD FOR PREPARING THPX
Title (en)
METHOD FOR PREPARING THPX
Title (de)
VERFAHREN ZUR HERSTELLUNG VON THPX
Title (fr)
PROCEDE DE PREPARATION DE THPx
Publication
Application
Priority
- FR 0959408 A 20091222
- EP 2010070392 W 20101221
Abstract (en)
[origin: WO2011076798A1] The present invention relates to an improved method for preparing phosphonium salts, in particular tetrakis(hydroxymethyl)phosphonium salts (THPx), said method enabling a great improvement in the quality of the product while minimizing the formation of the by-products that are in particular responsible for odors commonly associated with said phosphonium salts.
IPC 8 full level
C07F 9/54 (2006.01)
CPC (source: EP)
C07F 9/5407 (2013.01)
Citation (search report)
See references of WO 2011076798A1
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
DOCDB simple family (publication)
FR 2954319 A1 20110624; FR 2954319 B1 20120120; CA 2785365 A1 20110630; CN 102791723 A 20121121; EP 2516450 A1 20121031; WO 2011076798 A1 20110630
DOCDB simple family (application)
FR 0959408 A 20091222; CA 2785365 A 20101221; CN 201080064428 A 20101221; EP 10796046 A 20101221; EP 2010070392 W 20101221