Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photochromic fluorenopyrans with defined dibenzo[B,D]pyrano fused attachment

Photochromic fluorenopyrans with defined dibenzo[B,D]pyrano fused attachment

US Patent 9963574 · Granted May 8, 2018

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Eyeglass lens, use of an eyeglass lens, and process for manufacturing an eyeglas2024
Photochromic annelated naphthopyrane systems with special substituents, for atta2024
Photochromic annelated naphthopyrane systems with special substituents, for atta2024
Photochromic annelated naphthopyrane systems with special substituents, for atta2024
Photochromic multiple ring-fused naphthopyrans having extreme longwave absorptio2020
Photochromic multiple ring-fused naphthopyrans having extreme longwave absorptio2020
Producing microstructured spectacle lenses by means of transfer layer2019
UV-curing-compatible photochromic fused naphthopyrans2018
UV-curing-compatible photochromic fused naphthopyrans2018
UV-curing-compatible photochromic fused naphthopyrans2018
Photochromic double-fused naphthopyrans2015
Photochromic double-fused naphthopyrans2015