Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Westphal; Jochen
Address:
Dusseldorf, DE
No. of patents:
2
Patents:












Patent Number Title Of Patent Date Issued
4978747 Colorants obtained by reacting a NH.sub.2 -containing dyestuff with a diisocyanate followed by r December 18, 1990
Colorants are obtained by reacting a dyestuff which is free from ionic groups and has.gtoreq.2 NH.sub.2 groups which are preferably arranged in such a manner that they do not participate in the resonance of the chromophore with such an amount of a (cyclo)aliphatic diisocyante so as to
4670548 Sulfo-group-containing trisazo dyestuffs June 2, 1987
Water-soluble dyestuffs of the formulawhereinA denotes sulphophenyl or sulphonaphthyl, which are optionally further substituted,B denotes sulpho-1,4-naphthylene, which is optionally further substituted,C denotes 1,4-phenylene or 1,4-naphthylene, which are optionally further substituted, andK










 
 
  Recently Added Patents
Methods and apparatus for adapting network characteristics in telecommunications systems
Subscribing to content
Device and implantation system for electrical stimulation of biological systems
(4944
Compact ion accelerator source
(4949
Method for determining an object class of an object, from which light is emitted and/or reflected to a vehicle
  Randomly Featured Patents
Synergistic non-steroidal anti-inflammatory compounds and compositions thereof
System reconstruction: integrative analysis of biological data
Device and method for automatically inspecting objects traveling in an essentially monolayer flow
Gun stock assembly with universally adjustable comb piece
Food warming device and system
On-board entertainment system entertainment display retractor position sensor
Device for end-to-side anastomosis
Methods and systems for soft-bit demapping
Correction device using magnetic elements for correcting unhomogeneities of the magnetic field in a magnet
Metal powder composition and article made therefrom