Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photographic element containing an improved pyrozolotriazole coupler

Photographic element containing an improved pyrozolotriazole coupler

US Patent 5985532 · Granted Nov 16, 1999

Estimated economic value: $5,990,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for making OLED with pass-through hole2020
Control fluid power apparatus and related methods2017
Metal complexes2017
System for authenticating an item2016
Method of authenticating an item2015
Method for authenticating an object2015
System for authenticating an object2015
Authentication device with access control and calibration2015
Method of authenticating security marker2014
Deactivation of a security feature2014
Method for viewing invisible indicia2014
Authentication device with access control and calibration2013