C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
134/39
C23F 14/00 (2006.01) C02F 5/00 (2006.01) C02F 5/10 (2006.01) C02F 5/12 (2006.01) C02F 5/14 (2006.01) C11D 3/24 (2006.01)
Patent
CA 1080577
PRECIS DE LA DIVULGATION: Compositions permettant d'inhiber la formation de tartre sur un substrat constituées d'au moins un dérivé fluoro- carboné susceptible de se fixer sur ledit substrat, ce dérivé étant choisi dans le groupe constitué par: - CnF2n+1 - C2H4 - N - (C2H4O)2, - CnF2n+1 - C2H4 - SO2 - NH(CH2)3 -N(CH3)2, Image , - (CnF2n+1 - C2H4S)2 , où n est un nombre entier compris entre 2 et 20. Les composi- tions tartrifuges contiennent en outre au moins un composé tartrifuge, tel que l'acide hydroxyéthylène diphosphonique.
266485
Girou Andre
Roques Henri
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