EP 0585038 A1 19940302 - Alkali containing silica solution.
Title (en)
Alkali containing silica solution.
Title (de)
Basische Silikatlösung.
Title (fr)
Solution alcaline de silica.
Publication
Application
Priority
- EP 93306496 A 19930818
- EP 92307886 A 19920828
Abstract (en)
An alkali containing silica solution comprising 15% to 30% by weight of silica, 10% to 25% by weight of potassium or sodium oxide or mixtures thereof, 2% to 6% by weight of a compatible neutralised organic acid calcium sequestrant the SiO2/Na2O ratio of the alkali containing silica solution being in the range 1.2 to 2.0 has been found to be a suitable stabilizer for alkaline hydrogen peroxide bleaching of textiles.
IPC 1-7
IPC 8 full level
C11D 3/08 (2006.01); C11D 3/39 (2006.01); C11D 7/14 (2006.01); C11D 7/26 (2006.01); C11D 7/32 (2006.01); C11D 7/36 (2006.01); C11D 7/54 (2006.01); D06L 3/02 (2006.01)
IPC 8 main group level
D06L (2006.01)
CPC (source: EP)
C11D 3/08 (2013.01); C11D 3/3937 (2013.01); C11D 3/394 (2013.01); C11D 7/14 (2013.01); C11D 7/265 (2013.01); C11D 7/3245 (2013.01); C11D 7/36 (2013.01); D06L 4/12 (2017.01)
Citation (search report)
- [X] EP 0210952 A1 19870204 - CIBA GEIGY AG [CH]
- [X] EP 0407626 A1 19910116 - HENKEL KGAA [DE]
- [A] FR 2643093 A1 19900817 - PROTEX MANUF PROD CHIMIQ [FR]
- [A] DE 2147300 A1 19720330
- [DA] US 2838459 A 19580610 - SPROUT JR OLIVER S
- [A] US 3449254 A 19690610 - SUITER ROGER N
- [A] US 3150918 A 19640929 - CURRIER RAYMOND R
- [A] GB 1123071 A 19680814 - BOWMANS CHEMICALS LTD
- [A] GB 923897 A 19630418 - LAPORTE CHEMICAL
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE
DOCDB simple family (publication)
EP 0585038 A1 19940302; EP 0585038 B1 20000726; AT E194998 T1 20000815; BR 9303474 A 19940315; DE 69329089 D1 20000831; DE 69329089 T2 20001221; DK 0585038 T3 20001218; ES 2150436 T3 20001201; GR 3034433 T3 20001229; PT 585038 E 20001130; ZA 935690 B 19950206
DOCDB simple family (application)
EP 93306496 A 19930818; AT 93306496 T 19930818; BR 9303474 A 19930825; DE 69329089 T 19930818; DK 93306496 T 19930818; ES 93306496 T 19930818; GR 20000402124 T 20000918; PT 93306496 T 19930818; ZA 935690 A 19930805