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
1992-06-04
1994-05-10
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...
560 67, 560 75, 524167, 524168, 524219, 524288, C07C 6988, C07C31124, C07C23548, C08K 513, C08K 543, C08K 520
Patent
active
053107730
ABSTRACT:
Perfluoroalkyl substituted neopentyl alcohols can be reacted with substituted hydroxphenylalkanoic esters to form perfluoroalkyl containing hydroxyphenylalkanoic ester antioxidants. The perfluoroalkyl substituted hindered hydroxyphenyl alkanoates are stablizers which confer superior processing stability to polymers processed at elevated temperatures such as polypropylene, as well as protecting said polymers from thermal and oxidative degradation.
REFERENCES:
patent: 3285855 (1966-11-01), Dexter et al.
patent: 3422059 (1969-01-01), Taylor et al.
patent: 3478116 (1969-11-01), Smeltz
patent: 3642868 (1972-02-01), Dexter et al.
patent: 3944594 (1976-03-01), Kleiner et al.
patent: 4046944 (1977-09-01), Mueller et al.
patent: 4049713 (1977-09-01), Spivack
patent: 4058502 (1977-11-01), Dexter et al.
patent: 4071497 (1978-01-01), Dexter et al.
patent: 4898981 (1990-02-01), Falk et al.
patent: 4946992 (1990-08-01), Falk et al.
patent: 5045624 (1991-09-01), Falk et al.
patent: 5068397 (1991-11-01), Falk et al.
Bull. Chem. Soc. Jpn. 57, 3361-3362 (1984).
Falk Robert A.
Kleiner Eduard K.
Ciba-Geigy Corporation
Hall Luther A. R.
Hoke Veronica P.
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