Photochromic coated high impact resistant articles

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6733887
APP PUB NO 20030044620A1
SERIAL NO

10231501

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Described is an article of a non-elastomeric poly(urea-urethane) substrate having free isocyanato surface groups and at least a partial coating of a photochromic polymeric coating on at least one surface of the substrate.

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Patent Owner(s)

  • PPG INDUSTRIES OHIO, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okoroafor, Michael O Roswell, GA 31 739
Smith, Robert A Murrysville, PA 215 34954

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