Patents by Inventor Rainer Nusser

Rainer Nusser has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Acid dyes
    Patent number: 8137416
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates are described.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: March 20, 2012
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Disazo Acid Dyes
    Publication number: 20110203058
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Application
    Filed: May 3, 2011
    Publication date: August 25, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Rainer NUSSER, Urs DÄETWYLER
  • Acid dyes
    Patent number: 7927384
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates are described.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: April 19, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Chromium complex dyes
    Patent number: 7906632
    Abstract: The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fibre materials containing hydroxyl groups or containing nitrogen. The present invention relates to a 1:2 chromium complex dye of formula (I) wherein all substituents are as defined in the claims, a process for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: March 15, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Influencing the Near Infrared Reflectance of Dyed Textile Materials
    Publication number: 20110027548
    Abstract: Use of the customary dyes for the type of fibre in question and using the customary dyeing and/or printing processes for the type of fibre in question for minimally reducing, retaining or increasing the NIR reflectance, preferably increasing the NIR reflectance, in the region of electromagnetic radiation of wavelength 700 nm to 1100 nm of textile material in relation to the undyed and untreated textile material, characterized in that metal-free dyes are used.
    Type: Application
    Filed: March 27, 2009
    Publication date: February 3, 2011
    Applicants: CLARIANT FINANCE (BVI) LIMITED, SCHOELLER TECHNOLOGIES AG
    Inventors: Rainer Nusser, Martin Leiler, Roland Lottenbach, Hans-Juergen Huebner
  • ACID DYES
    Publication number: 20100233443
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Application
    Filed: June 21, 2007
    Publication date: September 16, 2010
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventor: Rainer Nusser
  • ACID DYES
    Publication number: 20090269553
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Application
    Filed: April 2, 2007
    Publication date: October 29, 2009
    Applicant: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Chromium Complex Dyes
    Publication number: 20090263630
    Abstract: The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fibre materials containing hydroxyl groups or containing nitrogen. The present invention relates to a 1:2 chromium complex dye of formula (I) wherein all substituents are as defined in the claims, a process for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.
    Type: Application
    Filed: July 17, 2006
    Publication date: October 22, 2009
    Inventor: Rainer Nusser
  • Disazo Acid Dyes
    Publication number: 20090126128
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Application
    Filed: May 11, 2007
    Publication date: May 21, 2009
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Rainer Nusser, Urs Datwyler
  • Process for Dyeing
    Publication number: 20080104776
    Abstract: The present invention relates to a process for the bichromatic or the trichromatic dyeing or printing of hydroxy-group-containing or nitrogen-containing organic substrates with dye mixtures and also to such dye mixtures and hydroxy-group-containing or nitrogen- containing organic substrates dyed or printed therewith.
    Type: Application
    Filed: April 1, 2005
    Publication date: May 8, 2008
    Inventors: Rainer Nusser, Markus Gisler
  • Monoazo dyes
    Patent number: 6974497
    Abstract: Claimed are compounds of formula (I) where the substituents are each as defined in the claims, their preparation, their use as dyes and as a ingredients of an ink-jet printing ink and also substrates dyed with such compounds.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: December 13, 2005
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • 1:2 chromium complex dyes
    Patent number: 6930178
    Abstract: The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen. The present invention relates to a 1:2 chromium complex dye of formula (I): wherein all substituents are as defined in the claims, a process for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: August 16, 2005
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Rainer Nusser, Georg Schoefberger, Reinhard Pedrazzi
  • 1:2 cromium complex dyes
    Publication number: 20040204572
    Abstract: The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.
    Type: Application
    Filed: March 24, 2004
    Publication date: October 14, 2004
    Inventors: Rainer Nusser, Georg Schoefberger, Reinhard Pedrazzi
  • Monoazo dyes
    Publication number: 20040137565
    Abstract: Claimed are compounds of the formula (I) 1
    Type: Application
    Filed: April 8, 2003
    Publication date: July 15, 2004
    Inventor: Rainer Nusser
  • AZO dyestuffs
    Patent number: 6372893
    Abstract: Claimed are novel azo dyes of the formula (I) where the substituents are each as defined in the claims, their preparation, their use as dyes and as an ingredient of an ink-jet printing ink and also substrates dyed with such compounds.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: April 16, 2002
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Monoazo reactive dyes
    Patent number: 6127531
    Abstract: A dyestuff according to formula (I) ##STR1## or a salt thereof wherein the substituents have the definitions as defined in claim 1.The dyestuffs are useful for dyeing or printing nitrogen-containing or hydroxy-group-containing organic substrates and for the production of printing inks.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: October 3, 2000
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Fibre-reactive azo dyestuffs containing a halo substituted pyrimidine substituent
    Patent number: 5721343
    Abstract: Fiber-reactive monoazo and disazo compounds of the formulaD-N.dbd.N--Kwhich compounds are in free acid or salt form, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, for example leather and fiber material comprising natural or synthetic polyamides or natural or regenerated cellulose; the most preferred substrate is a textile material comprising cotton.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: February 24, 1998
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Paul Doswald, Rainer Nusser, Roland Wald
  • Fibre-reactive monoazo dyestuffs
    Patent number: 5654410
    Abstract: Fibre-reactive monoazo compounds of the formula ##STR1## which compounds are in free acid or salt form, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, for example leather and fibre material comprising natural or synthetic polyamides or natural or regenerated cellulose; the most preferred substrate is a textile material comprising cotton.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: August 5, 1997
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Rainer Nusser, Roland Wald
  • Disazo dyes containing a difluoropyrimidinyl reactive group
    Patent number: 5612464
    Abstract: The invention is concerned with compounds according to the formula ##STR1## and their salts whereinR.sub.1 represents hydrogen or --SO.sub.3 H,R.sub.2 represents hydrogen, methyl, --NHCONH.sub.2 or --NHCOCH.sub.3 and,R.sub.3 represents hydrogen, C.sub.1-4 alkyl, preferably methyl or ethyl, or C.sub.1-4 alkyl substituted with CN, OH, Cl, F or --SO.sub.3 H.These compounds are useful as fiber-reactive dyestuffs in dyeing and printing hydroxy-group-containing and nitrogen-containing organic substrates.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: March 18, 1997
    Assignee: Clariant Fiance (BVI) Limited
    Inventor: Rainer Nusser
  • Fibre-reactive monoazo copper complexes containing a halo substituted pyrimidine substituent
    Patent number: 5583207
    Abstract: Fibre-reactive 1:1 copper complexes of the formula ##STR1## which compounds are in free acid or salt form, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, for example leather and fibre material comprising natural or synthetic polyamides or natural or regenerated cellulose; the most preferred substrate is a textile material comprising cotton.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: December 10, 1996
    Assignee: Sandoz Ltd.
    Inventors: Rainer Nusser, Roland Wald