Photochromic polyurethane laminate

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United States of America Patent

PATENT NO 9081130
SERIAL NO

13737871

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Abstract

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Photochromic polyurethane laminates and methods for the formation of same wherein the photochromic polyurethane layer of the laminate has been crosslinked with a isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer.

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Patent Owner(s)

  • VISION EASE, LP

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fan, Ping Ramsey, US 55 838
Vu, Hannah New Brighton, US 23 103

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