Inventor
BOEHMER MARTIN
DE9 patents
⚠️ This page may combine multiple inventors who share the name “BOEHMER MARTIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CLARIANT GMBH
7 patentsUS6251553B1Jun 26, 2001
Use of mixed-crystal pigments of the quinacridone series in electrophotographic toners and developers, powder coatings and inkjet inks
CLARIANT GMBH27 citations92
US6174361B1Jan 16, 2001
Process for preparing N,N′-dimethylperylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form
CLARIANT GMBH25 citations92
US5989333ANov 23, 1999
Mixed crystal pigments of the quinacridone series
CLARIANT GMBH29 citations92
US6312512B1Nov 6, 2001
Quinacridone mixed-crystal pigments of the gamma phase
CLARIANT GMBH29 citations91
US6241814B1Jun 5, 2001
Process for preparing quinacridone pigments
CLARIANT GMBH19 citations84
US6646126B2Nov 11, 2003
Process for preparing perylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form
CLARIANT GMBH6 citations73
US6521756B2Feb 18, 2003
Process for preparing perylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form
CLARIANT GMBH8 citations73