Patents by Inventor Ann Kuzmin

Ann Kuzmin 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).

  • Low NMP aqueous polyurethane composition with reactive diluent
    Patent number: 7951457
    Abstract: An aqueous composition comprising a polyurethane dispersion with a sediment content ?5%, 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 and (b) at least one reactive diluent.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: May 31, 2011
    Assignee: DSM IP Assets B.V.
    Inventors: Ilse Casteren Van, Marc Roelands, Geraldus Cornelis Overbeek, Richard George Coogan, Ronald Tennebroek, Ann Kuzmin
  • Low NMP aqueous polyurethane composition with a diluent
    Patent number: 7683139
    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) at least one diluent and (c) water.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: March 23, 2010
    Assignee: DSM IP Assets B.V.
    Inventors: Ilse Casteren Van, Marc Roelands, Gerardus Cornelis Overbeek, Richard George Coogan, Ronald Tennebroek, Ann Kuzmin
  • Low Nmp Aqueous Polyurethane Composition with Reactive Diluent
    Publication number: 20080038563
    Abstract: An aqueous composition comprising a polyurethane dispersion with a sediment content ?5%, 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 and (b) at least one reactive diluent.
    Type: Application
    Filed: June 28, 2005
    Publication date: February 14, 2008
    Inventors: Ilse Casteren Van, Marc Roelands, Gerardus Cornelis Overbeek, Richard George Coogan, Ronald Tennebroek, Ann Kuzmin
  • Low Nmp Aqueous Polyurethane Composition with a Diluent
    Publication number: 20070260022
    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) at least one diluent and (c) water.
    Type: Application
    Filed: June 28, 2005
    Publication date: November 8, 2007
    Inventors: Ilse Casteren Van, Marc Roelands, Gerardus Cornelis Overbeek, Richard Coogan, Ronald Tennebroek, Ann Kuzmin