PD

Paul Doswald

SA Sandoz Ag: 12 patents #19 of 1,103Top 2%
CL Clariant Finance (Bvi) Limited: 3 patents #105 of 535Top 20%
C( Clariant (France): 1 patents #5 of 16Top 35%
Overall (All Time): #302,808 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6042621 Fibre-reactive dyestuffs Roland Wald 2000-03-28
5721343 Fibre-reactive azo dyestuffs containing a halo substituted pyrimidine substituent Rainer Nusser, Roland Wald 1998-02-24
5698681 Reactive disazo dyestuff compounds containing halo-substituted triazinyl rings 1997-12-16
5693765 "Substituted 5-5'-(5""- Chloro-2"", 4""-difluoropyrimid-6""-ylamino) phenylcarbonylamino!-2'-sulfophenyl-azo!-6-hydroxy-4-methyl-3-sulfomethy lpyrid-2-ones" 1997-12-02
5527886 Dyes containing 5-cyano-2,4 or 4,6-dichloropyrimidyl fiber-reactive groups Gunther Auerbach, Markus Dorr, Markus Gisler, Werner Koch, Helmut Moser +1 more 1996-06-18
5386015 Monoazo and disazo compounds having 5-cyano-2,4-and 4,6-dichloropyrimidyl groups Werner Koch 1995-01-31
5227476 2-(3,6,8-trisulfonaphth-2-ylazo)-5-[2-chloro-4-[2-(5-chlo ro-2,4-difluoropyrimid-6-ylamino)-2-methyl-ethyl]amino-1,3,5-triazin-6-yl amino]phenyl urea salts thereof Werner Koch 1993-07-13
5227477 Dyes having one or two 2,4- or 4,6-dichloro-5-cyanopyrimidyl groups linked through bridging radicals containing at least two nitrogen atoms to chloro-1,3,5-triazinyl groups Gunther Auerbach, Kurt Brenneisen, Markus Doerr, Markus Gisler, Werner Koch +2 more 1993-07-13
4843152 Copper complexes of disazo compounds having di- or tri- sulfonaphthol and 6-[2,4-di-(amino or substituted amino)-1,3,5-triazia-6-ylamino-]-1-hydroxy-3-sulfonaphthalene coupling component radicals Hans von Tobel 1989-06-27
4699626 Mixtures of copper complexes of disazo compounds: 4,4'-(3,3'-dihydroxybiphenylene) tetrazo component and disulfonaphthol and 3-sulfo-6-(2'-chloro-4'-chloro or hydroxy-1,3,5-triazin-6'-ylamino)-naphth-1-ol coupling component Hans von Tobel 1987-10-13
4665162 1:1 and 1:2 metal complexes of sulfo group-free azo compound having on average at least 1.3 basic water-solubilizing groups Emil Moriconi, Helmut Moser, Horst Schmid 1987-05-12
4587292 Sulfo group-free azo compounds having on average at least 1.3 basic water-solubilizing groups in metal-free, 1:1 metal complex or 1:2 metal complex form Emil Moriconi, Helmut Moser, Horst Schmid 1986-05-06
4550158 Metal-free disazo compounds containing at least two basic water-solubilizing groups and having a 1-phenylpyrazole middle component radical and a 6-hydroxyprid-2-one terminal coupling component Emil Moriconi, Helmut Moser, Horst Schmid 1985-10-29
4483796 Sulfo group-free disazo and polyazo compounds containing two 1-phenylpyrazol-5-one coupling component radicals and at least two basic or cationic groups Emil Moriconi, Helmut Moser, Horst Schmid 1984-11-20
4468347 Sulfo group-free disazo and polyazo compounds containing at least two basic or cationic group and which are in metal-free or 2:1 metal complex form Emil Moriconi, Helmut Moser, Horst Schmid 1984-08-28
4284554 Monoazo compounds having a 6-(2'-N-alkylanilino--4-chloro-1',3',5'-triazinyl-6'-amino or alkylamino)-1-hydroxy-3-sulfonaphthalene coupling component radical 1981-08-18