POLYCARBONATE RESIN WITH IMPROVED BLUE-CUT AND NEUTRAL COLOR

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United States of America Patent

APP PUB NO 20190346693A1
SERIAL NO

16335191

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Abstract

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Embodiments of the disclosure relate to color additives and color formulations for offsetting or reducing yellowness index of blue-cut lenses. The color additives and color formulations are selected to provide color neutrality and color homogeneity for blue-cut lenses. Resins formulations comprising at least two color-balancing color additives are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
ESSILOR INTERNATIONAL147 RUE DE PARIS CHARENTON-LE-PONT 94220

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHIU, Hao Wen Holden, US 14 24
FRENCH, Elliot Charlton, US 4 0
JALLOULI, Aref Shrewsbury, US 21 37
SHAN, Haifeng Shrewsbury, US 13 5

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