Hydantoin derivatives and their use as polymer stabilizers

Details Hydantoin derivatives and their use as polymer stabilizers Hydantoin derivatives and their use as polymer stabilizers

1977-12-13

1979-07-24

Taylor, Hosea E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106176, 260 4585B, 546 20, 544222, C07D47110, C08K 534

Patent

active

041622464

ABSTRACT:
Hydantoin derivatives in which two or three piperidine spiro hydantoin residues are attached by means of substituted alkylene groups or polyoxyalkylene groups whose oxyalkylene chain is optionally interrupted by one or more phenylene or cyclohexylene groups or by means of substituted isocyanurate or glyceryl groups and, where they exist, acid addition salts thereof, are valuable as stabilizers for synthetic polymers.

REFERENCES:
patent: 2778825 (1957-01-01), Melamed
patent: 3941744 (1976-03-01), Murayama et al.
patent: 3975462 (1976-08-01), Murayama et al.
patent: 4066615 (1978-01-01), Murayama et al.
patent: 4097587 (1978-06-01), Soma

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