Photochromic coated high impact resistant articles

United States of America Patent

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May 11, 2004
Grant Date
Mar 6, 2003
app pub date
Aug 30, 2002
filing date
Feb 4, 2000

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Abstract

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	Address
PPG INDUSTRIES OHIO INC	3800 WEST 143RD STREET CLEVELAND OH 44111

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B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

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Inventor Name	Address	# of filed Patents	Total Citations
Okoroafor, Michael O	Roswell, GA	31	763
Smith, Robert A	Murrysville, PA	215	38354

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Photochromic coated high impact resistant articles

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10231501

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PATENT NO	6733887
APP PUB NO	20030044620A1
SERIAL NO	10231501
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 11, 2004	US,6733887,B2 US6733887B2	GRANTED PATENT AS SECOND PUBLICATION
March 06, 2003	US,20030044620,A1 US20030044620A1	FIRST PUBLISHED PATENT APPLICATION

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10231501

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