Global Patent Index - EP 0279039 B1

EP 0279039 B1 19910109 - BUILDER FOR WASHING AGENTS

Title (en)

BUILDER FOR WASHING AGENTS

Publication

EP 0279039 B1 19910109 (DE)

Application

EP 87117461 A 19871126

Priority

  • DE 3702761 A 19870130
  • DE 3735617 A 19871021

Abstract (en)

[origin: EP0279039A1] A granulated builder for detergents, consisting of: 60 to 80% by weight of a water-insoluble silicate capable of binding calcium, in the form of a finely divided, synthetically prepared, water-insoluble, crystalline compound containing bound water, of the formula (Cat2/nO)x.Me2O3.(SiO2)y (I) in which Cat denotes a cation, which can be replaced by calcium, of the valency n, x denotes a number from 0.7 to 1.5, Me denotes boron or aluminium and y denotes a number from 0.8 to 6, 0 to 5% by weight of sodium sulphate, 0 to 3% by weight of non-ionic surfactant, 0 to 1% by weight of carboxymethylcellulose and/or methylcellulose and 3 to 10% by weight of hydroxyethaneiminodiacetate disodium salt and the remainder water, can be prepared by spray drying of an aqueous suspension in which all the components are dispersed or dissolved. <IMAGE>

IPC 1-7

C11D 3/12

IPC 8 full level

C11D 3/12 (2006.01); C11D 3/33 (2006.01)

CPC (source: EP)

C11D 3/128 (2013.01); C11D 3/33 (2013.01)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL

DOCDB simple family (publication)

EP 0279039 A1 19880824; EP 0279039 B1 19910109; DE 3735617 A1 19880811; DE 3767299 D1 19910214; DK 29688 A 19880731; DK 29688 D0 19880122; ES 2020254 B3 19910801

DOCDB simple family (application)

EP 87117461 A 19871126; DE 3735617 A 19871021; DE 3767299 T 19871126; DK 29688 A 19880122; ES 87117461 T 19871126