IP Library › Granted Patent US 6,521,756
Granted Patent Utility
US 6,521,756 · App. 09/777,211

Process for preparing perylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form

Inventors: Joachim Weber, Gerhard Wilker, Manfred Urban, Martin Bohmer, Erwin Dietz
Patented Case View Patent ↗
Granted: Feb 18, 2003 Filed: Feb 5, 2001
Inventors
Joachim Weber
Gerhard Wilker
Manfred Urban
Martin Bohmer
Erwin Dietz
Assignee (at issue)
Clariant Corporation

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Quick Facts
Patent No.
US 6,521,756
App. No.
09/777,211
Filed
2001-02-05
Granted
2003-02-18
Kind
B2