发明授权
US4751319A 1,3,2-oxazaphospholdine stabilizers 失效
1,3,2-氧氮杂磷酸酯稳定剂

1,3,2-oxazaphospholdine stabilizers
摘要:
1,3,2-oxazaphospholidine derivatives of the formula ##STR1## are effective in stabilizing organic materials against oxidative, thermal and actinic degradation, said derivatives being particularly effective as color improvers and process stabilizers in organic materials containing phenolic antioxidants.
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