Photochromic compounds and compositions | Patent Number 08518546

US 08518546 B2
Application Number12928681
Publication NumberUS 20110143141 A1
Pendency2 years, 8 months, 15 days
Filled DateDec 16, 2010
Priority DateJul 1, 2003
Publication DateJun 16, 2011
Expiration DateJul 1, 2023
Inventor/ApplicantsMeng He
Sujit Mondal
Xiao-Man Dai
Darrin R. Dabideen
Anil Kumar
ExaminesSAEED, KAMAL A
Art Unit1626
Technology Center1600
Assignments
Transitions Optical Inc.
Current
Transitions Optical Inc.
Original
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