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US Patent 11746283 Silole and germole fused ring photochromic compounds

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
Date Filed
June 30, 2017
Date of Patent
September 5, 2023
Patent Application Number
16622033
Patent Citations
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US Patent 10501477 Photochromic thienochromene compounds
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US Patent 9334439 Photochromic articles that include photochromic-dichroic materials
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US Patent 10371866 Optical element having a coating for enhanced visibility of a mark and method for making the optical element
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US Patent 7342112 Photochromic compounds
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US Patent 8211338 Photochromic compounds
‌
US Patent 8518546 Photochromic compounds and compositions
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US Patent 8545984 Photochromic compounds and compositions
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US Patent 8698117 Indeno-fused ring compounds
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US Patent 8933220 Photochromic fused naphthopyrans having a benzene ring which is adjacent to the pyran oxygen and is linked to the para substituent via both meta positions
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US Patent 9028728 Photochromic materials that include indeno-fused naphthopyrans
•••
Patent Inventor Names
Robert W. Walters
Ryan Stayshich
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11746283
Patent Primary Examiner
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Valerie Rodriguez-Garcia
CPC Code
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C09K 2211/1007
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C09K 2211/1018
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C09K 2211/1088
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C07F 7/0814
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C09K 9/02
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G02B 1/04
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C07F 7/0816
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C09K 2211/1096
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C07F 7/30

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