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Bengt-Thomas Grobel
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Bad Soden am Taunus, DE
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Patents Grants
last 30 patents
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Patent Grant
Dye mixtures comprising water-soluble fiber-reactive azo dyes, prep...
Patent number
6,183,522
Issue date
Feb 6, 2001
Dystar Textilfarben GmbH & Co.
Werner Russ
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Blue dyeing mixtures of fiber-reactive dyestuffs and their use for...
Patent number
6,171,348
Issue date
Jan 9, 2001
DyStar Textilfarben GmbH
Werner Hubert Russ
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Dyestuff mixtures of water-soluble fiber-reactive azo dyestuffs, pr...
Patent number
5,980,590
Issue date
Nov 9, 1999
DyStar Texilfarben GmbH & Co. Deutschland KG
Werner Hubert Russ
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Dye mixtures of fiber-reactive azo dyes and their use for dyeing hy...
Patent number
5,779,739
Issue date
Jul 14, 1998
Hoechst Aktiengesellschaft
Andreas Von Der Eltz
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Mixtures of blue-dyeing fiber-reactive dyes and their use for dyein...
Patent number
5,704,951
Issue date
Jan 6, 1998
Hoechst Aktiengesellschaft
Daniele Negri
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the preparation of 1-hydroxy-2-pyridones
Patent number
4,916,228
Issue date
Apr 10, 1990
Hoechst Aktiengesellschaft
Dieter Reuschling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1-hydroxy-2-pyridones, a process for their preparation, and medicam...
Patent number
4,797,409
Issue date
Jan 10, 1989
Hoechst Aktiengesellschaft
Gerhard Lohaus
C07 - ORGANIC CHEMISTRY