Patent ID: 11897894
Assignee: TRANSITIONS OPTICAL, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 14:
15. A photochromic article comprising the indolenaphthopyran according to claim 1, wherein the photochromic article is selected from the group consisting of ophthalmic articles, display articles, windows, mirrors, active liquid crystal cell articles, and passive liquid crystal cell articles; or
wherein the photochromic article is an ophthalmic article selected from the group consisting of corrective lenses, non-corrective lenses, contact lenses, intra-ocular lenses, magnifying lenses, protective lenses, and visors; or
wherein the photochromic article is a display article selected from the group consisting of screens, monitors, and security elements.