Global Patent Index - EP 2528959 A1

EP 2528959 A1 20121205 - METHOD FOR PRODUCING PHENOLSULFONIC ACID ALDEHYDE CONDENSATION PRODUCTS AND THE USE THEREOF AS DESICCANTS

Title (en)

METHOD FOR PRODUCING PHENOLSULFONIC ACID ALDEHYDE CONDENSATION PRODUCTS AND THE USE THEREOF AS DESICCANTS

Title (de)

VERFAHREN ZUR HERSTELLUNG VON PHENOLSULFONSÄURE-ALDEHYD-KONDENSATIONSPRODUKTEN UND DEREN VERWENDUNG ALS TROCKNUNGSHILFSMITTEL

Title (fr)

PROCÉDÉ DE PRÉPARATION DE PRODUITS DE CONDENSATION D'ACIDE PHÉNOLSULFONIQUE ET D'ALDÉHYDE ET LEUR UTILISATION EN TANT QU'AGENTS DESSICATIFS

Publication

EP 2528959 A1 20121205 (DE)

Application

EP 11700431 A 20110118

Priority

  • EP 10151556 A 20100125
  • EP 2011050585 W 20110118
  • EP 11700431 A 20110118

Abstract (en)

[origin: WO2011089106A1] The invention relates to a method for producing phenolsulfonic acid aldehyde condensates, and to the use thereof as desiccants, in particular for spray drying aqueous polymer dispersions.

IPC 8 full level

C08G 8/18 (2006.01); C04B 28/02 (2006.01)

CPC (source: EP US)

C04B 24/2641 (2013.01 - EP US); C04B 24/2652 (2013.01 - EP US); C04B 24/2664 (2013.01 - EP US); C04B 24/2688 (2013.01 - EP US); C04B 40/0042 (2013.01 - EP US); C08G 8/18 (2013.01 - EP US); C04B 2103/0057 (2013.01 - EP US)

Citation (search report)

See references of WO 2011089106A1

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)

WO 2011089106 A1 20110728; AU 2011208810 A1 20120816; CN 102712731 A 20121003; EP 2528959 A1 20121205; US 2011184104 A1 20110728

DOCDB simple family (application)

EP 2011050585 W 20110118; AU 2011208810 A 20110118; CN 201180006868 A 20110118; EP 11700431 A 20110118; US 201113011367 A 20110121