Patents by Inventor Erling Lennart Hansen

Erling Lennart Hansen 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).

  • Publication number: 20120037836
    Abstract: An aqueous binder composition for mineral fibers comprises: (a) a sugar syrup containing a reducing sugar and having a dextrose equivalent DE of at least 50 and less than 85; (b) a polycarboxylic acid component; (c) an amine component; and, optionally, (d) a reaction product of a polycarboxylic acid component (b) and an amine component (c).
    Type: Application
    Filed: March 19, 2010
    Publication date: February 16, 2012
    Applicant: ROCKWOOL INTERNATIONAL A/S
    Inventor: Erling Lennart Hansen
  • Publication number: 20090227706
    Abstract: An aqueous binder composition for mineral fibers comprises: —a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one carboxylic anhydride and, optionally, treating the reaction product with a base; and —at least one hydrolytic stability-improving agent selected from monoalkanolamines; allylamines; peroxy compounds; epoxy compounds; compounds having at least one long-chain aliphatic moiety and at least one functional group; and SBR latices.
    Type: Application
    Filed: December 9, 2005
    Publication date: September 10, 2009
    Applicant: ROCKWOOL INTERNATIONAL A/S
    Inventors: Erling Lennart Hansen, Povl Nissen
  • Patent number: 7459490
    Abstract: Process for providing a binder for mineral wool products, said process comprising the steps of: mixing together under reactive conditions a carboxylic acid with an alkanolamine, whereby optionally these are firstly mixed to provide a resin, which resin is subsequently reacted with a separate carboxylic acid group containing polymer.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: December 2, 2008
    Assignee: Rockwool International A/S
    Inventors: Thor Husemoen, Erling Lennart Hansen, Povl Nissen
  • Patent number: 6878800
    Abstract: Process for providing a binder for mineral fibers, comprising the steps of: mixing together under reactive conditions an amine and an anhydride whereby water is added thereto, once substantially all the anhydride is dissolved and/or reacted in the amine.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: April 12, 2005
    Assignee: Rockwool International A/S
    Inventors: Thor Husemoen, Erling Lennart Hansen, Povl Nissen
  • Patent number: 6849683
    Abstract: Process for providing a binder for mineral wool products, said process comprising the steps of: mixing together under reactive conditions a carboxylic acid with an alkanolamine, whereby optionally these are firstly mixed to provide a resin, which resin is subsequently reacted with a separate carboxylic acid group containing polymer.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: February 1, 2005
    Assignee: Rockwool International A/S
    Inventors: Thor Husemoen, Erling Lennart Hansen, Povl Nissen
  • Patent number: 6706853
    Abstract: Compound or salts thereof suitable for use as a binder for mineral fibers, for example glass or stone wool, said compound containing a carboxylic acid group and/or a &bgr;-hydroxyalkyl amide group.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: March 16, 2004
    Assignee: Rockwool International A/S
    Inventors: Dirk Armand Wim Stanssens, Thor Husemoen, Erling Lennart Hansen
  • Publication number: 20030153690
    Abstract: Process for providing a binder for mineral wool products, said process comprising the steps of: mixing together under reactive conditions a carboxylic acid with an alkanolamine, whereby optionally these are firstly mixed to provide a resin which resin is subsequently reacted with a separate carboxylic acid group containing polymer.
    Type: Application
    Filed: December 12, 2002
    Publication date: August 14, 2003
    Inventors: Thor Husemoen, Erling Lennart Hansen, Povl Nissen
  • Patent number: 6562267
    Abstract: The present invention relates to a process for the manufacture of mineral wool plant growth substrate having a coherent hydrophilic matrix of mineral wool fibres connected by cured binder, comprising the steps of: providing mineral wool fibres; applying to the mineral wool fibres as a binder a phenol-formaldehyde resin and a furan resin; forming a matrix of the mineral wool fibres; and curing the binder and to the obtainable mineral wool plant growth substrate.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: May 13, 2003
    Assignee: Rockwool International A/S
    Inventors: Erling Lennart Hansen, Jacob Frank De Groot