Inventor
MENNICKE WINFRIED
14 patents
Patents
14 patentsUS5534052AJul 9, 1996
Polymeric dyestuffs and their use in inks for ink jet printing processes
BAYER AG37 citations92
US6194554B1Feb 27, 2001
Disazo dyes
BAYER AG9 citations73
US6084078AJul 4, 2000
Disazo dyestuffs for dyeing cellulosic materials
BAYER AG7 citations73
US5503666AApr 2, 1996
Dyestuffs and their use in inks for ink-jet printing processes
BAYER AG15 citations73
US5074884ADec 24, 1991
Process for the dyeing of leather with anionic dyes and polyaminoamide resin as dyeing auxiliary
BAYER AG10 citations73
US5391207AFeb 21, 1995
Liquid dyestuff preparations
BAYER AG9 citations70
US4234479ANov 18, 1980
Chromium mixed complex dyestuffs of phenyl-azo-pyrazole components
BAYER AG12 citations70
US4000965AJan 4, 1977
Metal complex dyestuffs
BAYER AG7 citations68
US5883234AMar 16, 1999
Process for dyeing cellulosic materials with disazo dyestuffs
BAYER AG3 citations62
US5484900AJan 16, 1996
1:2 chromium complex dyestuffs
BAYER AG6 citations62
US5250671AOct 5, 1993
Unsymmetrical 1:2 chromium complex dyestuffs
BAYER AG3 citations62
US4497734AFeb 5, 1985
Asymmetrical 1:2 chromium complexes derived from azo and azomethine dyes
BAYER AG2 citations62
US4424152AJan 3, 1984
Metal complex dyestuffs, processes for their preparation and their use for dyeing nitrogen-containing materials
BAYER AG5 citations60
US4339380AJul 13, 1982
Azo dyestuffs
BAYER AG1 citations50