Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Water-insoluble sulphur dyes, their preparation and use

Water-insoluble sulphur dyes, their preparation and use

US Patent 5374302 · Granted Dec 20, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Coloured aqueous polymer dispersions, and production and use of same2013
Coloured aqueous polymer dispersions, and production and use of same2012
Method and device for obtaining and detecting immunologically active substances 2003
Method of detecting surface contamination by an analyte2003
Water-soluble stilbene dyes, their preparation and use2002
Red acid dyes for injet printing and paper dyeing2002
Water-soluble red acid dyes, their preparation and use2002
Process for preparing dioxazine compounds2002
High-temperature resistant sulfonated aromatic polyether ketone cation exchanger2001
Use of pigment yellow 155 in electrophotographic toners and developers, powder c2000
Protective element for an electro-chemical accumulator and process for its fabri1999
Process for the preparation of 4,4'-dimethyl-6,6'-dichlorothioindigo1999