Patents by Inventor Susanne Bellmann

Susanne Bellmann 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).

  • Cationic polymer dispersions, method for producing said dispersions and use thereof
    Patent number: 8822586
    Abstract: The invention relates to water-in-water polymer dispersions containing a polymer A with a cationic monomer fraction of up to 60 wt. % and at least one polymer dispersant B, based on cationised dialkylaminoalkyl (meth)acrylamides with an average molecular weight of between 75,000 and 350,000 g/mol. The invention also relates to a method for producing said dispersions and to the use of the latter.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: September 2, 2014
    Assignee: Hercules Incorporated
    Inventors: Susanne Bellmann, Norbert Steiner, Joerg Issberner, Christian Boekelo
  • Anionic water-in-water polymer dispersion, method for the production thereof and its use
    Patent number: 8476391
    Abstract: The invention relates to a method for producing anionic water-in-water polymer dispersions containing at least one finely dispersed, water-soluble and/or water-swellable polymer A and a continuous aqueous phase. This phase has a partial quantity of at least one polymeric dispersing agent B in which monomers dispersed in this aqueous phase are subjected to a radical polymerization, and after the polymerization is completed, the reaction mixture is subsequently diluted with the remaining amount of dispersing agent B. The invention also relates to the polymer dispersions obtained according to the method and to their use, particularly in the paper industry.
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: July 2, 2013
    Assignee: Ashland Licensing and Intellectual Property LLC
    Inventors: Susanne Bellmann, Norbert Steiner, Michael Busch, Dev Steuck, Johann Schulte, Wolfgang Woebel
  • CATIONIC POLYMER DISPERSIONS, METHOD FOR PRODUCING SAID DISPERSIONS AND USE THEREOF
    Publication number: 20090050571
    Abstract: The invention relates to water-in-water polymer dispersions containing a polymer A with a cationic monomer fraction of up to 60 wt. % and at least one polymer dispersant B, based on cationised dialkylaminoalkyl (meth)acrylamides with an average molecular weight of between 75,000 and 350,000 g/mol. The invention also relates to a method for producing said dispersions and to the use of the latter.
    Type: Application
    Filed: November 30, 2005
    Publication date: February 26, 2009
    Applicant: Ashland Licensing and Intellectual Property LLC
    Inventors: Susanne Bellmann, Norbert Steiner, Jorg Issberner, Christian Boekelo
  • Highly Cationic Polymer Dispersions, Method For Producing Them And Their Use
    Publication number: 20080033094
    Abstract: The invention relates to a water-in-oil polymer dispersion which comprises a polymer A having a cationic monomer content of at least 55% by weight and at least one polymer dispersant B based on cationized dialkylaminoalkyl(meth)acrylamides having an average molecular weight of more than 350,000 to 1 million g/mol. The invention also relates to a method for producing said dispersion and to the use thereof.
    Type: Application
    Filed: November 30, 2005
    Publication date: February 7, 2008
    Applicant: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC,
    Inventors: Susanne Bellmann, Norbert Steiner, Jorg Issberner, Christian Boekelo, Wolfgang Woebel
  • Anionic Water-In-Water Polymer Dispersion, Method For The Production Thereof And Its Use
    Publication number: 20070203290
    Abstract: The invention relates to a method for producing anionic water-in-water polymer dispersions containing at least one finely dispersed, water-soluble and/or water-swellable polymer A and a continuous aqueous phase. This phase has a partial quantity of at least one polymeric dispersing agent B in which monomers dispersed in this aqueous phase are subjected to a radical polymerization, and after the polymerization is completed, the reaction mixture is subsequently diluted with the remaining amount of dispersing agent B. The invention also relates to the polymer dispersions obtained according to the method and to their use, particularly in the paper industry.
    Type: Application
    Filed: March 7, 2005
    Publication date: August 30, 2007
    Applicant: Ashland Licensing and Intellectual Property LLC
    Inventors: Susanne Bellmann, Norbert Steiner, Michael Busch, Dev Steuck, Johann Schulte, Wolfgang Wobel