EP 0948593 A4 19991013 -
Publication
Application
Priority
- GB 9600553 A 19960111
- US 9700471 W 19970109
Abstract (en)
[origin: GB2309032A] There is provided a bismuth diphosphonate compound by which is meant essentially any salt or complex of bismuth with essentially any nitrogen-free organic diphosphonic acids wherein the molar ratio of bismuth to diphosphonate components is from 1:0.7 to 1:7. Bleaching and detergent compositions adapted for use in machine dishwashing having reduced silver-tarnishing, as well as good cleaning performance are also provided which contain an oxygen bleach and the bismuth diphosphonate compound. Preferred processes for making the compositions are described.
IPC 1-7
IPC 8 full level
C07F 9/38 (2006.01); C07F 9/94 (2006.01); C11D 3/00 (2006.01); C11D 3/36 (2006.01); C11D 3/39 (2006.01)
CPC (source: EP)
C07F 9/386 (2013.01); C07F 9/94 (2013.01); C11D 3/0073 (2013.01); C11D 3/361 (2013.01); C11D 3/3932 (2013.01)
Citation (search report)
- [PX] WO 9622348 A1 19960725 - PROCTER & GAMBLE [US], et al
- [X] US 4517060 A 19850514 - DETTKE MANFRED [DE], et al
- [A] CH 673033 A5 19900131 - COSMINA AG
- [A] GB 1586067 A 19810318 - PROCTER & GAMBLE
- [A] EP 0070587 A1 19830126 - PROCTER & GAMBLE [US]
- See references of WO 9725405A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
GB 2309032 A 19970716; GB 9600553 D0 19960313; BR 9706928 A 19990720; CA 2242418 A1 19970717; EP 0948593 A1 19991013; EP 0948593 A4 19991013; WO 9725405 A1 19970717
DOCDB simple family (application)
GB 9600553 A 19960111; BR 9706928 A 19970109; CA 2242418 A 19970109; EP 97905571 A 19970109; US 9700471 W 19970109