Thermoplastic containers exhibiting excellent protection to various ultraviolet susceptible compounds

A clear, substantially colorless thermoplastic article comprising at least one ultraviolet absorber compound exhibiting an extraction level from said thermoplastic article measured as the level of absorbance exhibited by a heated alcohol extract solution after 2 hours exposure of at most 0.1 absorbance units;

• and wherein said article provides protection from ultraviolet exposure such that upon introduction of a 2 mg/L ethanol solution of Vitamin A exhibiting an initial UV-Vis absorbance at a wavelength of 325 nm, wherein said Vitamin A exhibits at least 20% retention of initial absorbance at 325 nm wavelength after 14 hours of sealed exposure under the UV Refrigeration Test.

A clear, substantially colorless thermoplastic article comprising at least one ultraviolet absorber compound exhibiting an extraction level from said thermoplastic article measured as the level of absorbance exhibited by a heated alcohol extract solution after 2 hours exposure of at most 0.1 absorbance units;

• and wherein said article provides protection from ultraviolet exposure such that upon introduction of a 5 mg/L aqueous solution of Vitamin B6 exhibiting an initial UV-Vis absorbance at a wavelength of 325 nm, wherein said Vitamin B6 exhibits at least 60% retention of initial absorbance at 325 nm wavelength after 14 hours of sealed exposure under the UV Refrigeration Test.

A clear, substantially colorless thermoplastic article comprising at least one ultraviolet absorber compound exhibiting an extraction level from said thermoplastic article measured as the level of absorbance exhibited by a heated alcohol extract solution after 2 hours exposure of at most 0.1 absorbance units;

• and wherein said article provides protection from ultraviolet exposure such that upon introduction of a 1.1 mg/L aqueous citric acid (pH 3.5) solution of FD&C Blue #1 (with 1 mg/L of FeCl3 added) exhibiting an initial UV-Vis absorbance at a wavelength of 625 nm in the blue spectrum, wherein said FD&C Blue #1 exhibits at least 5% retention of initial absorbance at 444 nm wavelength after 14 hours of sealed exposure under the UV Refrigeration Test.

A clear, substantially colorless thermoplastic article comprising at least one ultraviolet absorber compound exhibiting an extraction level from said thermoplastic article measured as the level of absorbance exhibited by a heated alcohol extract solution after 2 hours exposure of at most 0.1 absorbance units;

• and wherein said article provides protection from ultraviolet exposure such that upon introduction of a 1 mg/L aqueous citric acid solution (pH 3.5) of Folic Acid (with 1 mg/L of FeCl3 added) exhibiting an initial peak area measurement via HPLC analysis, wherein said FD&C Blue #1 exhibits at least 30% retention of initial peak area measurement after 14 hours of sealed exposure under the UV Refrigeration Test.