Resources Contact Us Home
Westphal; Jochen
Dusseldorf, DE
No. of 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
Light-source control device, light-source control method, image reading device, and image forming apparatus
Method and apparatus for transmitting and receiving a signal in a communication system
Knife grip
Method or system for investing and/or trading
Vacuum cleaner filter adapter ring
Method and system for generating and displaying an interactive dynamic selective view of multiply connected objects
Systems and methods for processing telephone calls
  Randomly Featured Patents
Physocarpus plant named `Seward`
Hair spray face shield
Lubricating oil for refrigerator and hydraulic fluid composition for refrigerator using the same
Modulated release from biocompatible polymers
Guide for workbench
Systems and methods that utilize machine learning algorithms to facilitate assembly of aids vaccine cocktails
Lipid composition for cosmetic products
Minute-repeater timepiece
Aqueous fluorochemical compositions and abrasion-resistant coatings therefrom
Automatic heater controller