Neutral-color gray photochromic synthetic resin article

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United States of America Patent

SERIAL NO

11206088

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Abstract

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A neutral-color gray photochromic synthetic resin article which remains almost completely color-neutral or gray both during darkening as well as during fade. The synthetic resin article according to the invention may be employed as a neutral-color gray photochromic ophthalmic lens.

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Patent Owner(s)

Patent OwnerAddress
RODENSTOCK GMBHELSENHEIMERSTR 33 MÜNCHEN 80687

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mann, Claudia Muenchen, DE 16 175
Melzig, Manfred Wessling, DE 42 566
Weigand, Udo Muenchen, DE 28 188

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