Global Patent Index - EP 0374867 B1

EP 0374867 B1 19941130 - Process for the production of storage-stable, easily soluble granulated block activators.

Title (en)

Process for the production of storage-stable, easily soluble granulated block activators.

Title (de)

Verfahren zur Herstellung eines lagerstabilen, leicht löslichen Bleichaktivator-Granulats.

Title (fr)

Procédé de préparation de granulés d'activateur de blanchiment stables au stockage, facilement solubles.

Publication

EP 0374867 B1 19941130 (DE)

Application

EP 89123523 A 19891220

Priority

DE 3843195 A 19881222

Abstract (en)

[origin: US5100576A] A pulverulant, dry bleach activator, in particular tetraacetylethylenediamine is first moistened with water and then mixed with a dry auxiliary, in particular, with Na carboxymethylcellulose. This mixture is then granulated.

IPC 1-7

C11D 3/39; C11D 17/00

IPC 8 full level

C11D 3/395 (2006.01); C11D 3/39 (2006.01); C11D 17/00 (2006.01); C11D 17/06 (2006.01); D06L 3/02 (2006.01)

CPC (source: EP US)

C11D 3/3935 (2013.01 - EP US); C11D 17/0039 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0374867 A1 19900627; EP 0374867 B1 19941130; DE 3843195 A1 19900628; DE 58908690 D1 19950112; DK 655689 A 19900623; DK 655689 D0 19891221; IE 66736 B1 19960207; IE 894174 L 19900622; JP 2766915 B2 19980618; JP H02222500 A 19900905; US 5100576 A 19920331

DOCDB simple family (application)

EP 89123523 A 19891220; DE 3843195 A 19881222; DE 58908690 T 19891220; DK 655689 A 19891221; IE 417489 A 19891221; JP 32746789 A 19891219; US 45416389 A 19891221