C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/6574 (2006.01) C08K 5/527 (2006.01)
Patent
CA 2168366
This invention pertains to a gamma crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'- diyl)phosphite], to a process for preparing said modification and the use thereof for stabilizing organic materials against oxidative, thermal or light-induced degradation.
L'invention concerne la modification gamma-cristalline de 2,2',2"-nitrilo[triéthyle-tris-(3,3',5,5'-tétra-tert-butyl-1,1'-diphényle-2,2'-diyl)phosphite], un procédé de préparation de ladite modification et l'utilisation de celle-ci pour stabiliser les matières organiques contre la dégradation oxydante due à la chaleur ou à la lumière.
Odorisio Paul A.
Pastor Stephen D.
Shum Sai P.
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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