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Peter Rohringer
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Schonenbuch, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Compositions of fluorescent whitening agents
Patent number
7,731,820
Issue date
Jun 8, 2010
Ciba Specialty Chemicals Corporation
Robert Cockcroft
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Triazinylaminostilbene disulphonic acid mixtures
Patent number
7,585,333
Issue date
Sep 8, 2009
Ciba Specialty Chemicals Corporation
Fabienne Cuesta
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Triazinylaminostilbene disulphonic acid mixtures
Patent number
7,270,771
Issue date
Sep 18, 2007
Ciba Specialty Chemicals Corporation
Fabienne Cuesta
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Amphoteric fluorescent whitening agents
Patent number
7,247,174
Issue date
Jul 24, 2007
Ciba Specialty Chemicals Corporation
Goetz Scheffler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Use of whitening pigments for whitening paper coating compositions
Patent number
6,797,752
Issue date
Sep 28, 2004
Ciba Specialty Chemicals Corporation
Peter Rohringer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Triazinylaminostilbene derivative as fluorescent whitening agents
Patent number
6,723,846
Issue date
Apr 20, 2004
Ciba Specialty Chemicals Corporation
Georges Metzger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Formulations of fluorescent whitening agents
Patent number
6,620,294
Issue date
Sep 16, 2003
Ciba Specialty Chemicals Corporation
Olli Juhani Jokinen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for optically brightening paper
Patent number
6,464,832
Issue date
Oct 15, 2002
Ciba Specialty Chemicals Corporation
Thomas Engelhardt
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fluorescent whitening agents
Patent number
6,464,735
Issue date
Oct 15, 2002
Ciba Specialty Chemicals Corporation
Peter Rohringer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Fluorescent whitening agents
Patent number
6,458,169
Issue date
Oct 1, 2002
Ciba Specialty Chemicals Corporation
Peter Rohringer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the preparation of stilbene compounds
Patent number
6,365,737
Issue date
Apr 2, 2002
Ciba Specialty Chemical Corporation
Georges Metzger
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Triazinylaminostilbene compounds
Patent number
6,331,626
Issue date
Dec 18, 2001
Ciba Specialty Chemicals Corporation
Peter Rohringer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Method for optically brightening paper
Patent number
6,302,999
Issue date
Oct 16, 2001
Ciba Specialty Chemicals Corp.
Thomas Engelhardt
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the preparation of sulphonated distyryl-biphenyl compounds
Patent number
6,274,761
Issue date
Aug 14, 2001
Ciba Specialty Chemicals Corporation
Victor Paul Eliu
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Fluorescent whitening agents
Patent number
6,210,449
Issue date
Apr 3, 2001
Ciba Specialty Chemicals Corporation
Peter Rohringer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Triazinylaminostilbene compounds
Patent number
6,153,122
Issue date
Nov 28, 2000
Ciba Specialty Chemicals Corporation
Peter Rohringer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Use of triazine-based UVAs for use as quenchers in paper-making pro...
Patent number
6,143,888
Issue date
Nov 7, 2000
Ciba Specialty Chemicals Corporation
Peter Rohringer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Dispersions of fluorescent whitening agents
Patent number
5,976,410
Issue date
Nov 2, 1999
Ciba Specialty Chemicals Corporation
Peter Rohringer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fluorescent whitening agent formulation
Patent number
5,830,241
Issue date
Nov 3, 1998
Ciba Specialty Chemicals Corporation
Peter Rohringer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Fluorescent whitening of paper
Patent number
5,622,749
Issue date
Apr 22, 1997
Ciba-Geigy Corporation
Peter Rohringer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pressure-sensitive or heat-sensitive recording material
Patent number
5,254,522
Issue date
Oct 19, 1993
Ciba-Geigy Corporation
Rudolf Zink
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Process for sizing paper with anionic hydrophobic sizing agents and...
Patent number
5,201,998
Issue date
Apr 13, 1993
Ciba-Geigy Corporation
Rosemarie Topfl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dispersion fluorescent brightener preparations
Patent number
5,064,570
Issue date
Nov 12, 1991
Ciba-Geigy Corporation
Peter Rohringer
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for sizing paper with anionic hydrophobic sizing agents and...
Patent number
4,956,049
Issue date
Sep 11, 1990
Ciba-Geigy Corporation
Michael Bernheim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of paper or cardboard which is sized un...
Patent number
4,737,239
Issue date
Apr 12, 1988
Ciba-Geigy Corporation
Michael Bernheim
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for sizing paper or cardboard with anionic hydrophobic sizi...
Patent number
4,735,685
Issue date
Apr 5, 1988
Ciba-Geigy Corporation
Michael Bernheim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for sizing paper with anionic hydrophobic sizing agents and...
Patent number
4,627,889
Issue date
Dec 9, 1986
Ciba-Geigy Corporation
Michael Bernheim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for sizing paper with anionic hydrophobic sizing agents and...
Patent number
4,623,428
Issue date
Nov 18, 1986
Ciba-Geigy Corporation
Michael Bernheim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fire-retardant, intumescent composition and its use for the flamepr...
Patent number
4,382,884
Issue date
May 10, 1983
Ciba-Geigy Corporation
Peter Rohringer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method of flameproofing wood with inorganic ammonium salts and dicy...
Patent number
4,301,217
Issue date
Nov 17, 1981
Ciba-Geigy Corporation
Peter Rohringer
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Patents Applications
last 30 patents
Information
Patent Application
Optical Brightening of Substrates for Ink Jet Printing
Publication number
20080191169
Publication date
Aug 14, 2008
CIBA Specialty Chemicals Holding Inc.
Peter Rohringer
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Fluorescent Pigments for Coating Compositions
Publication number
20080135805
Publication date
Jun 12, 2008
Fabienne Cuesta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Compositions of Fluorescent Whitening Agents
Publication number
20080073617
Publication date
Mar 27, 2008
Robert Cockcroft
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Fluorescent Whitening Pigments
Publication number
20080040865
Publication date
Feb 21, 2008
Ted Deisenroth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Amphoteric fluorescent whitening agents
Publication number
20070260060
Publication date
Nov 8, 2007
Goetz Scheffler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Composition for the fluorescent whitening of paper
Publication number
20060185805
Publication date
Aug 24, 2006
Peter Rohringer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Amphoteric fluorescent whitening agents
Publication number
20060155124
Publication date
Jul 13, 2006
Goetz Scheffler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Triazinylaminostibene disulphonic acid mixtures
Publication number
20060030707
Publication date
Feb 9, 2006
Fabienne Cuesta
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Whitening pigments
Publication number
20050203221
Publication date
Sep 15, 2005
Fabienne Cuesta
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Amphoteric and cationic fluorescent whitening agents
Publication number
20050161184
Publication date
Jul 28, 2005
Goetz Scheffler
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for optically brightening paper
Publication number
20020084049
Publication date
Jul 4, 2002
Thomas Engelhardt
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Flourescent whitening agents
Publication number
20020017001
Publication date
Feb 14, 2002
Peter Rohringer
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
Fluorescent whitening agents
Publication number
20010014989
Publication date
Aug 23, 2001
Peter Rohringer
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...