Phenolic imidazolones and polymers stabilized therewith

Details Phenolic imidazolones and polymers stabilized therewith Phenolic imidazolones and polymers stabilized therewith

1976-03-31

1978-01-24

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457PH, 260 458NT, 548301, 548302, 548304, 548305, 548306, C07D23526, C08K 534

Patent

active

040703380

ABSTRACT:
Compounds of the formula I ##STR1## wherein A is 1,2-cycloalkylene, 1,2-cycloalkenylene or 1,2-arylene, R.sub.1 and R.sub.2 are alkyl, R.sub.3, R.sub.4 and R.sub.5 are hydrogen or alkyl and n is 0, 1 or 2, as stabilizers for organic material.

REFERENCES:
patent: 2751370 (1956-06-01), Roussel
patent: 2778825 (1957-01-01), Melamed
patent: 3004035 (1961-10-01), Csendes
patent: 3218322 (1965-11-01), Orloff
patent: 3435065 (1969-03-01), Dexter et al.
patent: 3681358 (1972-08-01), Kleiner

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