3-ARYLBENZOFURANONES, STABILIZED COMPOSITION, AND METHOD OF STABILIZATION Russian patent published in 1999 - IPC

Abstract RU 2134689 C1

FIELD: chemical industry. SUBSTANCE: described are new compounds of general formula I wherein R1,R2,R3,R4,R5,R6,n are as defined in claim 1 which are useful as stabilizers of organic materials, predominantly polymers and lubricants and for protection against oxidative, thermal and light induced decomposition. Described are composition based on compounds of formula I and method of stabilization and use thereof. EFFECT: new 3- arylbenzofurans useful for use stabilizers of organic materials exposed to oxidative, thermal or light-induced decomposition. 19 cl, 16 ex, 5 tbl

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RU 2 134 689 C1

Authors

Peter Nesvadba

Sehmjuel' Ehvans

Kristof Krenke

Jurg Zingg

Dates

1999-08-20Published

1994-09-16Filed