Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of imidazoles

Preparation of imidazoles

US Patent 4340744 · Granted Jul 20, 1982

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Camera module2025
Systems and methods for determining a lens prescription2024
Systems and methods for determining a lens prescription2022
Method for making a spectacle lens2020
Method for making a spectacle lens2019
Spectacle lens having a plurality of diffraction structures for light2018
Spectacle lens and method for making the same2015
Method of making a spectacle lens2013
Optical observation instrument and a method of controllably adjusting a refracti2011
Polyalkene amines with improved applicational properties2010
Apparatus and method for determining centering data for spectacles2008
Method for separating alkali metal ions from alkoxylates2004