Patents by Inventor Ilse Van Casteren

Ilse Van Casteren 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: 7976953
    Abstract: An aqueous composition with a sediment content ?5%, comprising a polyurethane dispersion wherein the polyurethane has an acid value in the range of from 25 to 65 mgKOH/g and comprises (i) 36 to 60 wt % of at least one aromatic polyisocyanate and where the polyurethane is prepared in the presence of (a) ?5 wt % of 1-methyl-2-pyrrolidinone by weight of the polyurethane, (b) 5 to 100 wt % of 1-ethyl-2-pyrrolidinone by weight of polyurethane and (c) water.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: July 12, 2011
    Assignee: DSM IP Assets B.V.
    Inventors: Ilse Van Casteren, Marc Roelands, Gerardus Cornelis Overbeek, Ronald Tennebroek
  • Publication number: 20110118394
    Abstract: An aqueous solution coating composition comprising an autoxidisable polyvinyl polymer having ?20% of fatty acid residue by weight of polymer; Tg from ?60 to +15° C.; acid value of 15 to 75 mg KOH/g, Mw from 2500 to 100000 g/mol; polydispersity ?30, said composition having ?25% co-solvent by weight of solids, ?30% solids by weight of composition; said composition when in the form of a coating having a telegraphing value defined as the difference in gloss at a 20° angle of between a film cast on rough PVC and a film cast on smooth PVC of 10 gloss units.
    Type: Application
    Filed: March 31, 2009
    Publication date: May 19, 2011
    Inventors: Ilse Van Casteren, Gerardus Cornelis Overbeek, Ronald Tennebroek, Tijs Nabuurs, Richard George Coogan
  • Publication number: 20110118407
    Abstract: An aqueous emulsion coating composition comprising an autoxidisable vinyl oligomer having ?20 wt % of unsaturated fatty acid residue; Tg from ?50 to +15° C.; Mw from 2,500 to 40,000 g/mol; polydispersity from 2 to 12, said composition having ?15% co-solvent by weight of solids, ?13% NMP by weight of solids ?38% solids by weight of composition; said composition when in the form of a coating having a telegraphing value defined as the difference in gloss at a 20° angle of between a film cast on rough PVC and a film cast on smooth PVC of 10 gloss units.
    Type: Application
    Filed: March 31, 2009
    Publication date: May 19, 2011
    Inventors: Ilse Van Casteren, Gerardus Cornelis Overbeek, Ronald Tennebroek
  • Publication number: 20110091653
    Abstract: There is described (pref. non-adhesive) coating compositions (which may be either water or solvent borne) that comprise an autoxidisable vinyl polymer, the autoxidisable polymer having a vinyl polymer backbone 25% to 75% by wt of the autoxidisable polymer; fatty acid residue 25% to 75% by wt of the autoxidisable polymer; Tg from ?6O° C. to +2O° C., Mw from 3500 to 50000 g/mol; and polydispersity from 2 to 10; the autoxidisable polymer obtained by a process of: (A) polymerising ethylenically unsaturated vinyl monomers comprising: at least one epoxy functional vinyl monomer 15% to 100% by wt total monomers in (A); 0 to 85% of at least one other ethylenically unsaturated vinyl monomer, (preferably other than styrenic monomers) by wt total monomers in (A); (B) reacting the epoxy functional polymer from (A) with fatty acids having an average iodine value from 30 to 250 g I2/100 g fatty acid; where composition has: a) a opt.
    Type: Application
    Filed: March 31, 2009
    Publication date: April 21, 2011
    Inventors: Gerardus Cornelis Overbeek, Ilse Van Casteren, Ronald Tennebroek, Jelle Bernardus Otto Van Der Werf
  • Publication number: 20100144915
    Abstract: A radiation curable aqueous coating composition having a 85° gloss of ?60 upon drying comprising (A) 10 to 99 wt % of a polyurethane, (B) 1 to 90 wt % of a radiation curable component; (C) 0.1 to 10 wt % of an associative thickener; wherein at least 80 wt % of (A)+(B)+(C) has a particle size greater than 500 nm and wherein the C?C bond concentration of the composition is 0.2 to 5.0 mmol per g of (A)+(B)+(C).
    Type: Application
    Filed: February 19, 2008
    Publication date: June 10, 2010
    Inventors: Ilse Van Casteren, Roland Tennebroek, Mario Cornelis Schoondermark, Paul De Kok