Title:
【発明の名称】ヒドロキシルアミンエステル及びそれらの安定剤としての使用法
Document Type and Number:
Japanese Patent JP2561523
Kind Code:
B2
Abstract:
Substituted hydroxylamine ester stabilizers corresponding to the formula I wherein n is an integer from 0 to 2, X is a direct bond, -S- or -CH2S-, R1 and R2 independently are hydrogen, alkyl of 1 to 36 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, allyl, aryl, aralkyl of 7 to 9 carbon atoms, said aralkyl substituted by alkyl of 1 to 36 carbon atoms, or R1 and R2 together with the nitrogen atom to which they are linked form a 5 - 7 membered heterocyclic ring, R3 and R4 independently are alkyl of 1 to 18 carbon atoms, cycloalkyl of 5 to 6 carbon atoms, phenyl, alkaryl of 7 to 18 carbon atoms or aralkyl of 7 to 9 carbon atoms, and R5 is hydrogen or the group are effective in stabilizing organic materials against oxidative, thermal and actinic degradation.
Inventors:
RAMANASAN RABICHANDORAN
SUTEEFUEN DEE PASUTOORU
SUTEEFUEN DEE PASUTOORU
Application Number:
JP27062288A
Publication Date:
December 11, 1996
Filing Date:
October 26, 1988
Export Citation:
Assignee:
CIBA GEIGY
International Classes:
C07C329/06; C07C67/00; C07C239/00; C07C239/22; C07C313/00; C07C323/52; C07C323/56; C07C323/60; C07C323/62; C07C325/00; C07C329/04; C07C329/10; C08K5/32; C08K5/36; C08K5/372; C08L23/00; C09K15/24; C09K15/28; (IPC1-7): C07C239/22; C07C323/60; C07C323/62; C07C329/04; C08K5/36; C08L23/00; C09K15/24; C09K15/28
Attorney, Agent or Firm:
Nobuo Kaida (1 person outside)