Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for preparing 2-anilinoacridones

Process for preparing 2-anilinoacridones

US Patent 6022970 · Granted Feb 8, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for removing color from polymeric material2011
2,9-dichloro-quinacridone as α-quinacridone crystal phase inhibitor2008
Quinophenanthrine diones fluorescent whitening agents2007
Quinacridone pigment compositions comprising unsymmetrically substituted compone2007
Oxidation process for highly dispersible quinacridone pigments2005
Process for producing transparent pigmentary quinacridones by acid swelling of p1999
Finishes containing light interference pigments1999
Colorant blends containing a salt-forming azo pigment and a pyrrolopyrrole pigme1999
Fluorescent yellow 1,2,3,4-Tetrachloro-11H-Isoindolo-2,1-A!-Benzimidazol-11-one 1999
Pigment compositions for coatings1997
Pigmentary solid solutions of pyrrolo[3,4-c]pyrroles and quinacridones1996
Solid solutions of pyrrolo-[3.4-c]-pyrroles with quinacridonequinones1995