Device for removing impurities from gases
Di-(nitrodiphenylaminesulfonamido) compounds
Di-vinyl color formers
Diagnostic marker
Dialkylamino fluoran chromogenic compounds
Diamino substituted fluoran compounds, their manufacture and...
Diaminofluorescein derivative
Dianthrapyrimidine yellow
Diaryl pigments, a process for their preparation and their use
Diarylide pigment composition
Diazaphenalene derivatives
Diazo compounds
Diazo compounds, a process for their preparation and their...
Diazo dyes
Diazo dyestuffs
Dichloroquinacridone compounds
Dichroic coloring agents for liquid crystal displays
Dichroic dye and liquid crystalline composition for color...
Dicyano azo dyes having ether substituted aniline couplers
Difficultly water-soluble anthraquinone dyestuffs