C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
8/87, 260/438.6,
C07F 9/40 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) D06L 3/02 (2006.01)
Patent
CA 1219594
Case 1-14222/1+2/+ Magnesium complexes of oligomeric phosphonic acid esters, a process for their preparation and their use as stabilisers in alkaline, peroxide-containg bleach liquors Abstract Magnesium complexes of oligomeric phosphonic acid esters of the formula Image in which Y1 is hydrogen or -COT1, R1, Q1 and T1 are alkyl and n1 is 1 to 16, are particularly suitable, in combina- tion with polyhydroxy compounds, for use as stabilisers in alkaline, peroxide-containing bleach liquors for bleaching fibrous material made of or containing cellulose.
442866
Guth Christian
Schafer Paul
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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