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

Assignee

• Essilor International (Compagnie Generale D'Optique)
• Alphamicron Incorporated

Inventors

• Stuart Aiken (7 patents)
• Jean-Paul Cano (68 patents)
• Christopher David Gabbutt (14 patents)
• Bernard Mark Heron (11 patents)
• Tamas Kosa (22 patents)
• Linli Su (5 patents)
• Ludmila Sukhomlinova (16 patents)
• Bahman Taheri (45 patents)

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