6-(biphenyl-ester)-3H-naphtho[2,1-b]pyrans as photochromic dichroic dyes and optical article containing them | Patent Number 08436184

US 08436184 B2
Application Number12439324
Publication NumberUS 20100039688 A1
Pendency5 years, 8 months, 6 days
Filled DateSep 5, 2007
Priority DateSep 5, 2007
Publication DateFeb 18, 2010
Expiration DateSep 4, 2027
Inventor/ApplicantsStuart Aiken
Jean-Paul Cano
Bernard Mark Heron
Christopher David Gabbutt
Bernard Mark Heron
ExaminesREESE, HEIDI L
Art Unit1625
Technology Center1600
Assignments
Essilor International
Current
Essilor InternationalEssilorluxottica Sa
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