Patents by Inventor Claudia Eigen

Claudia Eigen 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: 10377882
    Abstract: A polymer latex composition for dip-molding applications includes the reaction product obtained by free-radical emulsion polymerization in aqueous medium of ethylenically unsaturated monomers including; (a) 19.9 to 90 wt.-% of at least one aliphatic conjugated diene; (b) 9.9 to 80 wt.-% of at least one unsaturated nitrile; (c) 0.1 to 10 wt.-% of at least one ethylenically unsaturated acid; (d) 0 to 19 wt.-% of at least one aromatic vinyl compound, and (e) 0 to 20 wt.-% of at least one further ethylenically unsaturated compound different from any of compounds (a) to (d), the weight percentages being based on the total amount of monomers, wherein the emulsion polymerization is conducted in presence of a degraded polysaccharide having a DE of 2 to 90 measured according to ISO 5377 (Dec.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: August 13, 2019
    Assignee: Synthomer Sdn. Bhd.
    Inventors: Thian Hong Ng, Claudia Eigen, Alexandra Abele, Gareth Simpson
  • Patent number: 9957404
    Abstract: A reaction product is obtained by free-radical emulsion polymerization in an aqueous medium of ethylenically unsaturated monomers including at least one conjugated diene. The free-radical emulsion polymerization is conducted in the presence of a degraded polysaccharide having a DE of 38 to 70 measured according to ISO 5377 (1981 Feb. 15) and optionally an alkyl mercaptan in an amount of no more than 2.5 weight percent based on the total weight of ethylenically unsaturated monomers. A coating composition includes the reaction product, and a paper or a board can be coated with such a coating composition.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: May 1, 2018
    Assignee: Synthomer Deutschland GmbH
    Inventors: Claudia Eigen, Martina Pieper, Bertholt Schostak, Uwe Schulze, Gareth Simpson, Michael Voss
  • Publication number: 20170327669
    Abstract: A polymer latex composition for dip-molding applications includes the reaction product obtained by free-radical emulsion polymerization in aqueous medium of ethylenically unsaturated monomers including; (a) 19.9 to 90 wt.-% of at least one aliphatic conjugated diene; (b) 9.9 to 80 wt.-% of at least one unsaturated nitrile; (c) 0.1 to 10 wt.-% of at least one ethylenically unsaturated acid; (d) 0 to 19 wt.-% of at least one aromatic vinyl compound, and (e) 0 to 20 wt.
    Type: Application
    Filed: December 12, 2014
    Publication date: November 16, 2017
    Inventors: Thian Hong NG, Claudia Eigen, Alexandra Abele, Gareth Simpson
  • Publication number: 20160122569
    Abstract: A reaction product is obtained by free-radical emulsion polymerization in an aqueous medium of ethylenically unsaturated monomers including at least one conjugated diene. The free-radical emulsion polymerization is conducted in the presence of a degraded polysaccharide having a DE of 38 to 70 measured according to ISO 5377 (1981 Feb. 15) and optionally an alkyl mercaptan in an amount of no more than 2.5 weight percent based on the total weight of ethylenically unsaturated monomers. A coating composition includes the reaction product, and a paper or a board can be coated with such a coating composition.
    Type: Application
    Filed: June 17, 2013
    Publication date: May 5, 2016
    Inventors: Claudia Eigen, Martina Pieper, Bertholt Schostak, Uwe Schulze, Gareth Simpson, Michael Voss
  • Publication number: 20100216934
    Abstract: Method of grafting an anionic organic polymer to an organic polymer in latex form, which method comprises forming a water-based mixture of (1) a latex of an organic polymer, (2) an anionic organic polymer, and (3) a free radical initiator, and effecting grafting between said latex polymer and said anionic organic polymer characterized in that the anionic organic polymer is (i) an anionic homopolymer or anionic random copolymer wherein at least 50 mole % of the repeating units are repeating units that bear at least one acid group or acid salt group or (ii) a graft or block copolymer comprising a segment consisting of a anionic homopolymer or anionic random copolymer as defined in (i), and aqueous dispersion comprising graft polymer particles.
    Type: Application
    Filed: March 31, 2008
    Publication date: August 26, 2010
    Applicant: KEMIRA OYJ
    Inventors: Teppo Sahlberg, Jan-Luiken Hemmes, Jonni Ahlgren, Uwe Schulze, Claudia Eigen