Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photochromic compound and articles containing the same

Photochromic compound and articles containing the same

US Patent 4637698 · Granted Jan 20, 1987

Estimated economic value: $8,596,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Alkaline soluble maleimide-containing polymers2003
Poly-hydroxy aromatic dissolution modifiers for lift-off resists2002
Fast drying thick film negative photoresist2002
Dissolution rate modifiers for lift-off resists2001
Stabilized dye compositions for optical recording media2000
Dye composition for optical recording media having selected anions1999
Multi-component dye compositions for optical recording media1998
Redox reagent-containing post-etch residue cleaning composition1997
Method for preparing variable-light transmittance article1991
Variable-light transmittance article and method for preparing same1990
Photochromic compound and articles containing the same1990
Photochromic article1990