Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Perylene-3,4,9,10-tetracarboxylic acid monoanhydride monoimide and monoimidazolide compounds, processes for their preparation and their use

Perylene-3,4,9,10-tetracarboxylic acid monoanhydride monoimide and monoimidazolide compounds, processes for their preparation and their use

US Patent 4594420 · Granted Jun 10, 1986

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for enhancing the contrast for a transmission electron microscope2003
Compounds containing boron for energy-filtering transmission electron microscopy2003
Black peryene-3,4,9,10-tetracarboxylic diimides, their preparation and use1994
Mix-crystal pigments based on perylenetetracarbimides, process for their prepara1992
Mix-crystal pigments based on perylenetetracarbimides, process for their prepara1992
Process for the preparation of arylimides of perylene-3,4,9,10-tetracarboxylic a1989
Process for the preparation of arylimides of perylene-3,4,9,10-tetracarboxylic a1989
Process for the preparation of perylene-3,4,9,10-tetracarboxylic acid N,N'- d1989
Pigment for electrophotographic recording processes1988
Mix-crystal pigments based on perylenetetracarbimides, process for preparing and1988
Mix-crystal pigments based on perylenetetracarbimides, process for preparing and1988
Process for the preparation of linear quinacridones1988