Global Patent Index - EP 1461305 A1

EP 1461305 A1 20040929 - METHOD FOR THE PRODUCTION OF QUATERNARY SALT PHENOLATE SOLUTIONS AND FOR THE REGENERATION AND RECYCLING OF QUATERNARY SALT PHENOLATE SOLUTIONS FROM REACTION MIXTURES

Title (en)

METHOD FOR THE PRODUCTION OF QUATERNARY SALT PHENOLATE SOLUTIONS AND FOR THE REGENERATION AND RECYCLING OF QUATERNARY SALT PHENOLATE SOLUTIONS FROM REACTION MIXTURES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON QUARTÄRSALZPHENOLATSLÖSUNGEN UND ZUR REGENERIERUNG UND RÜCKFÜHRUNG VON QUARTÄRSALZPHENOLATLÖSUNGEN AUS REAKTIONSGEMISCHEN

Title (fr)

PROCEDE DE PRODUCTION DE SOLUTIONS DE PHENOLATE DE SEL QUATERNAIRE, ET DE REGENERATION ET DE RECYCLAGE DE SOLUTIONS DE PHENOLATE DE SEL QUATERNAIRE PROVENANT DE MELANGES DE REACTION

Publication

EP 1461305 A1 20040929 (DE)

Application

EP 02799065 A 20021220

Priority

  • DE 10164144 A 20011227
  • EP 0214616 W 20021220

Abstract (en)

[origin: WO03055845A1] The invention relates to a method for the production of quaternary salt phenolate solutions, wherein an aqueous solution containing hydroxide is brought into contact with an organic phase containing phenol and quaternary salt, the water is removed by distillation and a salt separated therefrom is filtered off.

IPC 1-7

C07C 209/86; C07C 277/06; C07F 9/02

IPC 8 full level

C07C 209/68 (2006.01); C07C 211/63 (2006.01); C07F 9/54 (2006.01)

CPC (source: EP US)

C07F 9/54 (2013.01 - EP US); Y02P 20/10 (2015.11 - EP US)

Citation (search report)

See references of WO 03055845A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

DOCDB simple family (publication)

WO 03055845 A1 20030710; AU 2002364292 A1 20030715; CN 1608048 A 20050420; DE 10164144 A1 20030710; EP 1461305 A1 20040929; JP 2005513153 A 20050512; KR 20040076265 A 20040831; TW 200306972 A 20031201; US 2003139626 A1 20030724; US 6992222 B2 20060131

DOCDB simple family (application)

EP 0214616 W 20021220; AU 2002364292 A 20021220; CN 02826103 A 20021220; DE 10164144 A 20011227; EP 02799065 A 20021220; JP 2003556378 A 20021220; KR 20047010033 A 20021220; TW 91137399 A 20021226; US 32001102 A 20021216