Global Patent Index - EP 0628627 B1

EP 0628627 B1 19970312 - Water-soluble, water softening builder

Title (en)

Water-soluble, water softening builder

Title (de)

Wasserlöslicher, wasserenthärtender Builder

Title (fr)

Agent builder hydrosoluble, adoucisseur d'eau

Publication

EP 0628627 B1 19970312 (DE)

Application

EP 94108688 A 19940607

Priority

DE 4318902 A 19930607

Abstract (en)

[origin: EP0628627A1] The invention relates to a water-soluble, water-softening builder in the form of a tablet consisting of A) 60-98% by weight of a combination of a) citrate and/or citric acid and b) a polymer which acts as softening agent in an a:b ratio of 70:30 to 50:50, preferably 65:35 to 55:45, by weight B) 0.5-6% by weight of polyethylene glycol and C) 0-38% by weight of other auxiliaries.

IPC 1-7

C11D 17/00; C11D 3/20; C11D 3/37

IPC 8 full level

C11D 3/20 (2006.01); C11D 3/37 (2006.01); C11D 17/00 (2006.01)

CPC (source: EP)

C11D 3/2086 (2013.01); C11D 3/3707 (2013.01); C11D 3/3719 (2013.01); C11D 3/3761 (2013.01); C11D 17/0073 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0628627 A1 19941214; EP 0628627 B1 19970312; AT E150081 T1 19970315; DE 4318902 A1 19941208; DE 4318902 C2 19961024; DE 59402005 D1 19970417; DK 0628627 T3 19970825; ES 2098820 T3 19970501; GR 3023207 T3 19970730; SI 0628627 T1 19971031

DOCDB simple family (application)

EP 94108688 A 19940607; AT 94108688 T 19940607; DE 4318902 A 19930607; DE 59402005 T 19940607; DK 94108688 T 19940607; ES 94108688 T 19940607; GR 970400868 T 19970421; SI 9430037 T 19940607