BETA CRYSTALLINE MODIFICATION OF 2,2',2-NITRILO [TRIETHYL-TRIS-(3,3',5,5'-TETRA-TERT-BUTYL-1,1'-BIPHENYL-2, 2'-DIYL)PHOSPHITE]

摘要

2148933 9412508 PCTABS00032 This invention pertains to a beta 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.