Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1985-01-17
1986-02-11
Jiles, Henry R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524291, 544221, 544222, C07D25130, C07D25132, C08K 513, C08K 524
Patent
active
045699593
ABSTRACT:
Isocyanurate esters of thioalkanoamidophenols useful in the stabilization of organic materials normally susceptible to oxidative degradation are prepared by reacting an appropriate isocyanurate trithiol, which is a selected tris-mercapto alkanoic acid ester of tris-(2-hydroxyethyl) isocyanurate with an appropriate alkenyl compound, which is a selected N-alkenoyl[4-amino-(mono- or dialkyl)phenol] or, where the alkano moiety is a sole methylene group, by reaction of tris-(2-hydroxyethyl) isocyanurate with an appropriate [mercapto-N-(mono- or di-alkyl-4-hydroxyphenylalkanamide alkenoic] acid. In a preferred embodiment, the ester is 1,3,5-tris{2-hydroxy ethyl-[3-mercapto-(3',5'-di tert-butyl-4'-hydroxypropionanilide)]propionate}isocyanurate.
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patent: 3707542 (1972-12-01), Steinberg et al.
patent: 3742032 (1973-06-01), Beears
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patent: 4308195 (1981-12-01), Mayer et al.
patent: 4385143 (1983-05-01), Yachigo et al.
Bazzi Ali A.
Buehler Henry J.
Dunski Neil
Goodwin Lynden N.
Jackson Richard G.
Jiles Henry R.
Klostermann Roy J.
Mallinckrodt Inc.
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