C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 251/68 (2006.01) C08K 5/00 (2006.01)
Patent
CA 2709223
The instant invention relates to storage stable solutions of optical brighteners based on certain salt forms of anilino-substituted bistriazinyl derivatives of 4,4'-diaminostilbene- 2,2'- disulphonic acid and of organic acids which do not need extra solubilising additives.
La présente invention concerne des solutions d'azurants optiques stables au stockage à base de certaines formes de sel de dérivés de bistriazinyle à substitution anilino d'acide 4,4'-diaminostilbène-2,2'-disulphonique et d'acides organiques qui ne nécessitent pas d'additifs de solubilisation supplémentaires.
Farrar John Martin
Jackson Andrew Clive
Mahon Margaret
Oberholzer Martin
Clariant Finance (bvi) Limited
Fetherstonhaugh & Co.
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