Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1977-02-01
1979-02-20
Marquis, Melvyn I.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
106176, 260 458N, 260 458NT, 260 458SN, 260800, C08K 534, C08K 535, C08K 547
Patent
active
041406745
ABSTRACT:
The invention relates to heterocyclic phenyl ester compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a heterocyclic phenyl ester composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may be incorporated into the organic compositions such as polymers by adding to the polymer melt or dissolved in the polymer dope, coated on the exterior of the shaped or molded article, film or extruded fiber.
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patent: 3864354 (1975-02-01), Irick, Jr. et al.
patent: 4020041 (1977-04-01), Irick, Jr. et al.
patent: 4029670 (1977-06-01), Pond et al.
Irick, Jr. Gether
Kelly Charles A.
Eastman Kodak Company
Marquis Melvyn I.
Reece III Daniel B.
Tootle Clyde L.
White R. A.
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