Inventor
SCHNAITMANN DIETER
DE20 patents
⚠️ This page may combine multiple inventors who share the name “SCHNAITMANN DIETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CLARIANT GMBH
10 patentsUS6537364B2Mar 25, 2003
Process for fine division of organic pigments by precipitation
CLARIANT GMBH82 citations96
US6582508B2Jun 24, 2003
Process for fine division of organic pigments
CLARIANT GMBH24 citations92
US6251553B1Jun 26, 2001
Use of mixed-crystal pigments of the quinacridone series in electrophotographic toners and developers, powder coatings and inkjet inks
CLARIANT GMBH27 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
US6548647B2Apr 15, 2003
Process for preparing azo colorants
CLARIANT GMBH43 citations90
US5958129ASep 28, 1999
Pigment formulations and processes for their preparation
CLARIANT GMBH44 citations90
US6241814B1Jun 5, 2001
Process for preparing quinacridone pigments
CLARIANT GMBH19 citations84
US5948910ASep 7, 1999
Water-soluble perylene dyestuffs, their preparation and their use
CLARIANT GMBH7 citations71
US5932727AAug 3, 1999
Process for the preparation of dioxazine compounds
CLARIANT GMBH4 citations62
HOECHST AG
8 patentsUS5800607ASep 1, 1998
Process for the preparation of liquid pigment preparations
HOECHST AG34 citations92
US5681876AOct 28, 1997
Pulverulent pigment preparation
HOECHST AG28 citations90
US5755874AMay 26, 1998
Process for preparing linear unsubstituted β-phase quinacridone pigments
HOECHST AG10 citations74
US5746820AMay 5, 1998
Surface-treated quinacridone and dioxazine pigments
HOECHST AG9 citations74
US5755872AMay 26, 1998
Process for preparing quinacridone pigments
HOECHST AG16 citations73
US5240499AAug 31, 1993
Surfactant triazine compounds and their use
HOECHST AG12 citations71
US5645636AJul 8, 1997
Pasty pigment preparations, preparation thereof and use thereof
HOECHST AG8 citations68
US5266682ANov 30, 1993
Nitrogen-containing surface-active agents
HOECHST AG5 citations61