CHROMENE COMPOUND

United States of America Patent

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Issued Date
Feb 5, 2015
app pub date
Mar 11, 2013
filing date
Mar 21, 2012

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Abandoned

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Abstract

A novel photochromic compound which develops a color of a neutral tint (double peak characteristic) and has high color optical density, high fading speed and excellent durability.

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Patent Owner(s)

Patent Owner	Address
TOKUYAMA CORPORATION	SHUNAN-SHI YAMAGUCHI 745-8648

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Izumi, Shinobu	Shunan-shi, JP	33	186
Momoda, Junji	Shunan-shi, JP	93	591
Shimizu, Yasutomo	Shunan-shi, JP	44	101

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CHROMENE COMPOUND

Number of patents in Portfolio can not be more than 2000

United States of America Patent

14384078

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14384078

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