Photochromic compounds | Patent Number 08211338

US 08211338 B2
Application Number12329092
Publication NumberUS 20090309076 A1
Pendency3 years, 7 months, 1 day
Filled DateDec 5, 2008
Priority DateJul 1, 2003
Publication DateDec 17, 2009
Expiration DateJul 1, 2023
Inventor/ApplicantsMeng He
Terry A. Kellar, II
Anil Kumar
Darrin R. Dabideen
ExaminesSAEED, KAMAL A
Art Unit1626
Technology Center1600
Assignments
Transitions Optical Inc.
Current
Transitions Optical Inc.
Original
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