Patents by Inventor Stefan Priemen

Stefan Priemen 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).

  • Polyisocyanate-based intumescent coating
    Patent number: 10640657
    Abstract: Intumescent coating composition comprising a polyisocyanate, a polyfunctional isocyanate-reactive compound and an intumescent ingredient, wherein the intumescent ingredient contains at least one or more compounds containing phosphorus, nitrogen and boron atoms and the weight ratio phosphorus to nitrogen in said intumescent ingredient is between 0.5/1 to 1.5/1 and the amount of boron is from 1 to 5 wt % based on the coating composition.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: May 5, 2020
    Assignee: HUNTSMAN INTERNATIONAL LLC
    Inventors: Stefan Priemen, Marc Broekaert, Pierre Bachelet, Fabienne Samyn, Sophie Duquesne, Serge Bourbigot
  • Polyisocyanate-Based Intumescent Coating
    Publication number: 20160222226
    Abstract: Intumescent coating composition comprising a polyisocyanate, a polyfunctional isocyanate-reactive compound and an intumescent ingredient, wherein the intumescent ingredient contains at least one or more compounds containing phosphorus, nitrogen and boron atoms and the weight ratio phosphorus to nitrogen in said intumescent ingredient is between 0.5/1 to 1.5/1 and the amount of boron is from 1 to 5 wt % based on the coating composition.
    Type: Application
    Filed: October 7, 2014
    Publication date: August 4, 2016
    Inventors: Stefan Priemen, Marc Broekaert, Pierre Bachelet, Fabienne Samyn, Sophie Duquesne, Serge Bourbigot
  • Polyisocyanate-based binder
    Patent number: 9127163
    Abstract: Aqueous binder composition comprising an organic emulsifiable polyisocyanate, an aromatic polyester polyol and a alkali metal salt of a carboxylic acid as trimerisation catalyst and its use for bonding mineral fibre or lignocellulosic material.
    Type: Grant
    Filed: November 24, 2011
    Date of Patent: September 8, 2015
    Assignee: Huntsman International LLC
    Inventors: Dominicus Limerkens, Marc Broekaert, Stefan Priemen
  • Polyisocyanate-Based Binder
    Publication number: 20130245164
    Abstract: Aqueous binder composition comprising an organic emulsifiable polyisocyanate, an aromatic polyester polyol and a alkali metal salt of a carboxylic acid as trimerisation catalyst and its use for bonding mineral fibre or lignocellulosic material.
    Type: Application
    Filed: November 24, 2011
    Publication date: September 19, 2013
    Inventors: Dominicus Limerkens, Marc Broekaert, Stefan Priemen
  • Spray Polyurea System, Process for Producing and Use Thereof
    Publication number: 20080200620
    Abstract: Polyurea spray system containing a polyisocyanate, a polyamine and an imidazoline-containing polyaminoamide as chain extender, suitable for use as internal coating of drinking water pipelines and storage tanks.
    Type: Application
    Filed: June 29, 2006
    Publication date: August 21, 2008
    Applicants: Huntsman International LLC, Huntsman Advanced Materials (Americans) Inc.
    Inventors: Marc Broekaert, Stefan Priemen, Joerg Volle, Michael Vogel