Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1989-03-24
1989-12-05
Hoke, Veronica P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524101, 524108, 524117, C08K 552
Patent
active
048853267
ABSTRACT:
A synthetic resin composition comprises 100 parts by weight of a synthetic resin, 0.001 to 10 parts by weight of a cyclic alkylphosphite compound of 2,2'-alkylidene-bisphenol (I) and 0.001 to 10 parts by weight of beta-(3,5-dialkyl-4-hydroxyphenyl)-propionic acid ester (II) and is stabilized to light and heat.
REFERENCES:
patent: 3297631 (1967-01-01), Bown et al.
patent: 4252750 (1981-02-01), Buysch et al.
patent: 4351759 (1982-09-01), Spivack
Hamajima Mitsuhiro
Haruna Tohru
Nishikawa Kazunori
Adeka Argus Chemical Co. Ltd.
Hoke Veronica P.
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