3-phenyl-benzofuran-2-one derivatives containing phosphorus as stabilizers
AssigneeBASF SE
InventorsWerner Hoelzl, Bruno Rotzinger, Kai-Uwe Schoening, Roswell Easton King
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Abstract
The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula I-P, I-O or I-M Further embodiments are a compound of formula I-P, I-O or I-M, a process for protection of the organic material by the compound, the use of the compound for stabilizing the organic material, an additive composition comprising the compound, a process for manufacturing the compound and intermediates involved therein.
Claims34
A composition, comprising:
- a) an organic material susceptible to oxidative, thermal or light-induced degradation, and
- b) a compound (101), (102), (103), (104), (105), (106), (107), (108) or (109):
A process for protecting an organic material susceptible to oxidative, thermal or light-induced degradation, the process comprising incorporating the organic material into, or applying the organic material onto, a compound (101), (102), (103), (104), (105), (106), (107), (108) or (109):
A compound (101), (102), (103), (104), (105), (106), (107), (108) or (109):
An additive composition, comprising:
- b) a compound (101), (102), (103), (104), (105), (106), (107), (108) or (109);
- and
- c) a first further additive, which is a phosphite or phosphorite different to component b), an acid scavenger, a phenolic antioxidant or an aminic antioxidant:
Dependencies are inferred from the claim text.