Global Patent Index - EP 0591282 B1

EP 0591282 B1 19950913 - METHOD FOR THE PRODUCTION OF CLEANING-AGENT TABLETS FOR MACHINE DISHWASHING.

Title (en)

METHOD FOR THE PRODUCTION OF CLEANING-AGENT TABLETS FOR MACHINE DISHWASHING.

Title (de)

VERFAHREN ZUR HERSTELLUNG VON REINIGUNGSMITTELTABLETTEN FÜR DAS MASCHINELLE GESCHIRRPÜLEN.

Title (fr)

PROCEDE DE FABRICATION DE PRODUITS DE LAVAGE EN COMPRIMES POUR LE LAVAGE DE LA VAISSELLE EN MACHINE.

Publication

EP 0591282 B1 19950913 (DE)

Application

EP 92912460 A 19920619

Priority

  • DE 4121307 A 19910627
  • EP 9201387 W 19920619

Abstract (en)

[origin: WO9300419A1] Disclosed is a method of producing phosphate-free and metasilicate-free low-alkali cleaning-agent tablets for machine dishwashing, the tablets consisting of solid alkali salts of at least one homopolymer or copolymer of (meth)acrylic acid, which may be in the form of granules, builders, low-foam surfactants, bleaching agents and, optionally, enzymes, bleach activators, fragrances and colourings. In this method, the sodium carbonate acting as one of the builders is used in anhydrous form. It indergoes mixing, either alone or together with the other builders and the solid alkali salt of (meth)acrylic acid, with the quantity of water necessary for partial hydration of the anhydrous carbonate, i.e. approximately 5 to 40 % by weight. The remaining components of the mixture are then added and the mixture compressed into tablet form.

IPC 1-7

C11D 17/00; C11D 3/37; C11D 3/10

IPC 8 full level

C11D 3/10 (2006.01); C11D 3/37 (2006.01); C11D 17/00 (2006.01)

CPC (source: EP)

C11D 3/10 (2013.01); C11D 3/3761 (2013.01); C11D 17/0091 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB IT LI NL SE

DOCDB simple family (publication)

WO 9300419 A1 19930107; AT E127835 T1 19950915; DE 4121307 A1 19930107; DE 59203697 D1 19951019; DK 0591282 T3 19960108; EP 0591282 A1 19940413; EP 0591282 B1 19950913; ES 2076768 T3 19951101

DOCDB simple family (application)

EP 9201387 W 19920619; AT 92912460 T 19920619; DE 4121307 A 19910627; DE 59203697 T 19920619; DK 92912460 T 19920619; EP 92912460 A 19920619; ES 92912460 T 19920619