US Patent 10501477 Photochromic thienochromene compounds
Patent 10501477 was granted and assigned to Transitions Optical on December, 2019 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 10, 2015
0
Date of Patent
December 10, 2019
0
Patent Applicant
Patent Application Number
15556672
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Patent Inventor Names
Massimiliano Tomasulo
0
Wenjing Xiao
0
Brian R. Stepp
0
Eric Spitler
0
Jun Deng
0
Robert W. Walters
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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