Photochromic compounds having at least two photochromic moieties

Assignee

• Transitions Optical

Inventors

• Yunyi Lu (3 patents)
• Wenjing Xiao (33 patents)
• Robert W. Walters (57 patents)
• Feng Wang (28 patents)
• M. Frank Haley (5 patents)
• Jason R. Lewis (7 patents)
• Anu Chopra (34 patents)
• Beon-Kyu Kim (13 patents)
• Huayun Yu (22 patents)

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