3H-naphtho [2,1-B] pyrans as photochromic dichroic dyes and optical article containing them | Patent Number 09249136

US 09249136 B2
Application Number12439738
Publication NumberUS 20100202033 A1
Pendency9 years, 5 months, 1 day
Filled DateSep 6, 2006
Priority DateSep 6, 2006
Publication DateAug 12, 2010
Expiration DateSep 5, 2026
Inventor/ApplicantsStuart Aiken
Bahman Taheri
Ludmila Sukhomlinova
Linli Su
Tamas Kosa
Bernard Mark Heron
Jean-Paul Cano
Christopher David Gabbutt
ExaminesAHVAZI, BIJAN
Art Unit1763
Technology Center1700
Assignments
Essilor International
Current
Essilor InternationalAlphamicron
Original
Essilorluxottica Sa
Original
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