Patents by Inventor Serge Schroeder

Serge Schroeder 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).

  • Patent number: 8679199
    Abstract: The present invention relates to an aqueous dispersion containing (a) a fluorescent whitening agent, (b) a dispersing agent, (c) a ?-1,3-glucan and, optionally, (d) a vat dye and the use of the aqueous dispersions for whitening synthetic fibers, in particular polyester and polyacrylonitrile.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: March 25, 2014
    Assignee: Hunstman International LLC
    Inventors: Serge Gruetter, Jean-Jacques Donze, Serge Schroeder, Andrea Frey
  • Publication number: 20130283547
    Abstract: The present invention relates to an aqueous dispersion containing (a) a fluorescent whitening agent, (b) a dispersing agent, (c) a ?-1,3-glucan and, optionally, (d) a vat dye and the use of the aqueous dispersions for whitening synthetic fibres, in particular polyester and polyacrylonitrile.
    Type: Application
    Filed: January 4, 2012
    Publication date: October 31, 2013
    Applicant: HUNTSMAN INTERNATIONAL LLC
    Inventors: Serge Gruetter, Jean-Jacques Donze, Serge Schroeder, Andrea Frey
  • Patent number: 8163688
    Abstract: The present invention relates to a storage-stable fluorescent whitener formulation, comprising a compound of formula 1, a process for their preparation and their use.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: April 24, 2012
    Assignee: BASF SE
    Inventors: Josef Zelger, Serge Schroeder
  • Publication number: 20070094814
    Abstract: The present invention relates to storage-stable fluorescent whitener formulations, comprising a compound of formula (1), as described under claim 1, a process for their preparation and their use.
    Type: Application
    Filed: June 2, 2004
    Publication date: May 3, 2007
    Inventors: Josef Zelger, Serge Schroeder
  • Publication number: 20060135398
    Abstract: This invention relates to a novel polymorph crystal form of the compound of formula (I), a process for its preparation and the use thereof.
    Type: Application
    Filed: February 2, 2004
    Publication date: June 22, 2006
    Inventors: Jurgen Kaschig, Josef Zelger, Serge Schroeder, Robert Hochberg, Oliver Becherer, Dieter Meier
  • Publication number: 20050203221
    Abstract: The present invention relates to novel whitening pigments comprising the reaction product of (a) a melamine-formaldehyde and/or a melamine-urea polycondensation product and (b) a water-soluble fluorescent whitening agent of the formula (1) wherein R1 represents —OH, —OC1-C4alkyl, —Oaryl, —NH2, —NHC1-C4alkyl, —N(C1-C4alkyl)2, —NHC2-C4hydroxyalkyl, —N(C2-C4hydroxyalkyl)2, —N(C1-C4alkyl)(C2-C4hydroxyalkyl), —NHC1-C4alkoxy-C1-C4alkyl, —N(C1-C4alkoxy-C1-C4alkyl)2, morpholino, piperidino, pyrrolidino or the residue of an amino acid from which a hydrogen atom has been abstracted from the amino group, R2 represents —CONH2, —CONHC1-C4alkyl, —COOM, —SO2NH2 or —SO2NHC1-C4alkyl and M is hydrogen, sodium, potassium, calcium, magnesium, ammonium, mono-di-, tri- or tetra-substituted C1-C4alkylammonium or C2-C4hydroxyalkylammonium or mixtures thereof, a process for preparation of the whitening pigments and their use for the fluorescent whitening of paper, especially in coating, for the fluorescent whitening and improvement o
    Type: Application
    Filed: June 3, 2003
    Publication date: September 15, 2005
    Inventors: Fabienne Cuesta, Roland Naef, Ted Deisenroth, Peter Rohringer, Marc Grienenberger, Serge Schroeder
  • Patent number: 6696406
    Abstract: A liquid fluorescent whitening agent formulation comprising: a) a compound of formula (1), in which R1 represents hydrogen, 1-5 C-alkyl, 1-5 C-alkoxy or halogen, M represents hydrogen, an alkaline- or alkaline earth-metal, or ammonium; b) a polyhydroxy compound; c) 5 to 95% water, whereby the ratio of the compound of Formula (1) to the polyhydroxy compound is between 10:90 and 90:10 parts by weight and the total weight of these compounds in the formulation is between 5 and 95% and, optionally, auxiliary stabilizing agents and the use thereof for the manufacture of detergents with improved shade consistency.
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: February 24, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Gerhard Merkle, Jürgen Kaschig, Josef Zelger, Serge Schroeder
  • Publication number: 20030119700
    Abstract: A liquid fluorescent whitening agent formulation comprising: a) a compound of formula (1), in which R1 represents hydrogen, 1-5 C-alkyl, 1-5 C-alkoxy or halogen, M represents hydrogen, an alkaline- or alkaline earth-metal, or ammonium; b) a polyhydroxy compound; c) 5 to 95% water, whereby the ratio of the compound of Formula (1) to the polyhydroxy compound is between 10:90 and 90:10 parts by weight and the total weight of these compounds in the formulation is between 5 and 95% and, optionally, auxiliary stabilizing agents and the use thereof for the manufacture of detergents with improved shade consistency.
    Type: Application
    Filed: September 19, 2002
    Publication date: June 26, 2003
    Inventors: Gerhard Merkle, J?uuml;rgen Kaschig, Josef Zelger, Serge Schroeder
  • Patent number: 6133215
    Abstract: There is provided a white crystal form of the compound having the formula: ##STR1## whose crystal form is characterised by an X-ray diffraction diagram which is essentially as shown in Table I, II or III. Also provided is a formulation comprising from 10 to 85% by weight of the white crystal form of compound having the formula (1) and from 90 to 15% by weight of a polyhydroxy compound, preferably glycerine.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: October 17, 2000
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Josef Zelger, Andreas Burkhard, Serge Schroeder, Bernard Schultz
  • Patent number: 5695687
    Abstract: The present invention provides an anhydrous fluorescent whitening agent formulation comprising:a) 5 to 60, preferably 15 to 45% by weight of a fluorescent whitening agent or a mixture thereof;b) 0 to 10, preferably 0 to 2% by weight of a stabiliser or a mixture thereof;c) 0 to 10, preferably 0.5 to 2% by weight of a dispersant or a mixture thereof;d) 0 to 10, preferably 0.5 to 2% by weight of an auxiliary or a mixture thereof; ande) an anhydrous dispersion medium or a mixture thereof to make up 100% by weight, each based on the total weight of the formulation.The formulation is useful for the preparation of detergents.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: December 9, 1997
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Josef Zelger, Serge Schroeder