Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-10-07
1977-12-27
Rzucidlo, Eugene C.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 458NZ, 260304R, 260304P, 260307D, 260308B, C08K 535
Patent
active
040654273
ABSTRACT:
The invention relates to polychromophoric heterocyclic ester compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of these polychromophoric heterocyclic ester compositions 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 also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.
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Irick, Jr. Gether
Pond David M.
Wang Richard H. S.
Eastman Kodak Company
Reece III Daniel B.
Rzucidlo Eugene C.
Weber Edward R.
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