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: 20220098855Abstract: A method of reducing the formaldehyde emission of a mineral fiber product bonded with a urea-modified phenol-formaldehyde resol resin-type binder comprises adding dextrose to the binder composition during and/or after preparation of the binder composition but before curing of the binder composition applied to the mineral fibers.Type: ApplicationFiled: December 9, 2021Publication date: March 31, 2022Applicant: ROCKWOOL INTERNATIONAL A/SInventors: Erling Lennart HANSEN, Lars Naerum, Povl Nissen
-
Patent number: 11274444Abstract: Described is an aqueous binder composition for mineral fibers which comprises a component (i) in the form of one or more carbohydrates and a component (ii) in the form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid, salts thereof.Type: GrantFiled: December 23, 2014Date of Patent: March 15, 2022Assignee: ROCKWOOL INTERNATIONAL A/SInventors: Thomas Hjelmgaard, Povl Nissen, Lars Naerum, Erling Lennart Hansen
-
Patent number: 11242629Abstract: The invention relates to an aqueous binder composition for mineral fibers comprising a component (i) in the form of one or more compounds selected from —compounds of the formula, and any salts thereof. In which R1 corresponds to H, alkyl, monohydroxyalkyl, dihydroxyalkyl, polyhydroxyalkyl, alkylene, alkoxy, amine; —compounds of the formula, and any salts thereof. In which R2 corresponds to H, alkyl, monohydroxyalkyl, dihydroxyalkyl, polyhydroxyalkyl, alkylene, alkoxy, amine; a component (ii) in the form of one or more compounds selected from the group of ammonia, amines or any salts thereof; a component (iii) in the form of one or more carbohydrates.Type: GrantFiled: August 25, 2015Date of Patent: February 8, 2022Assignee: ROCKWOOL INTERNATIONAL A/SInventors: Thomas Hjelmgaard, Povl Nissen, Erling Lennart Hansen, Lars Naerum
-
Patent number: 10633281Abstract: The present invention is directed to a solid state binder composition for binding mineral fibers comprising a component (i) in form of one or more carbohydrates; a component (ii) in form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid or any salt thereof.Type: GrantFiled: August 22, 2016Date of Patent: April 28, 2020Assignee: ROCKWOOL INTERNATIONAL A/SInventor: Erling Lennart Hansen
-
Publication number: 20200102742Abstract: An acoustical ceiling panel is provided having a core with a front face and a back face composed of air laid mineral fibers and an aqueous binder. The aqueous binder includes a first component in the form of one or more carbohydrates, and a second component in the form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid, and any salts thereof, ammonia and hypophosphorous acid. A formaldehyde-free first fleece having a thickness is secured to the front face of the core by powdered adhesive and a formaldehyde-free second fleece having a thickness is secured to the back face of the core by the aqueous binder, with the thickness of the first fleece being greater than the thickness of the second fleece. Paint is applied to the first fleece. The acoustical ceiling panel has formaldehyde emissions of below 8 ?g/m2/h of formaldehyde, preferably below 5 ?g/m2/h, most preferably below 3 ?g/m2/h, in accordance with ISO 16000 for testing aldehyde emissions.Type: ApplicationFiled: August 19, 2019Publication date: April 2, 2020Inventors: Chris Albert Augustinas, Brett Christeon, Erling Lennart Hansen, Thomas Hjelmgaard, Magdalena Hubertina Maria Koop, Lars Naerum, Povl Nissen, Amish Shah, Thomas Smith
-
Publication number: 20180201542Abstract: The present invention is directed to a solid state binder composition for binding mineral fibers comprising a component (i) in form of one or more carbohydrates; a component (ii) in form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid or any salt thereof.Type: ApplicationFiled: August 22, 2016Publication date: July 19, 2018Inventor: Erling Lennart HANSEN
-
Patent number: 9976958Abstract: The present invention relates to a method for detecting curing and/or the local distribution of curing of the binder material, in particular for detection of anomalies of the cured binder, in a mineral fiber product. The present invention also relates to a reagent, in particular for use in such a method and the use of this reagent in the quality control of bonded mineral fiber products.Type: GrantFiled: December 11, 2014Date of Patent: May 22, 2018Assignee: ROCKWOOL INTERNATIONAL A/SInventors: Thomas Hjelmgaard, Erling Lennart Hansen
-
Publication number: 20170233910Abstract: The invention relates to an aqueous binder composition for mineral fibers comprising a component (i) in the form of one or more compounds selected from—compounds of the formula, and any salts thereof. In which R1 corresponds to H, alkyl, monohydroxyalkyl, dihydroxyalkyl, polyhydroxyalkyl, alkylene, alkoxy, amine; —compounds of the formula, and any salts thereof. In which R2 corresponds to H, alkyl, monohydroxyalkyl, dihydroxyalkyl, polyhydroxyalkyl, alkylene, alkoxy, amine; a component (ii) in the form of one or more compounds selected from the group of ammonia, amines or any salts thereof; a component (iii) in the form of one or more carbohydrates.Type: ApplicationFiled: August 25, 2015Publication date: August 17, 2017Inventors: Thomas HJELMGAARD, Povl NISSEN, Erling Lennart HANSEN, Lars NAERUM
-
Patent number: 9609813Abstract: The invention provides a method of growing plants in a mineral wool growth substrate, the method comprising: providing at least one mineral wool growth substrate comprising man-made vitreous fibers bonded with a cured binder composition, and positioning one or more seeds or plants for growth in the growth substrate, and allowing growth of the one or more plants, wherein the binder composition prior to curing comprises: a) a sugar component, and b) a reaction product of a polycarboxylic acid component and an alkanolamine component, wherein the binder composition prior to curing contains at least 42% by weight of the sugar component based on the total weight (dry matter) of the binder components.Type: GrantFiled: August 31, 2011Date of Patent: April 4, 2017Assignee: ROCKWOOL INTERNATIONAL A/SInventors: Lars Naerum, Povl Nissen, Erling Lennart Hansen, Jean Marie Wilhelmus Cuypers, Eelke Gjalt Hempenius, Frank Hendrikus Janssen
-
Publication number: 20170022103Abstract: 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: ApplicationFiled: September 28, 2016Publication date: January 26, 2017Applicant: Rockwool International A/SInventor: Erling Lennart HANSEN
-
Publication number: 20160320303Abstract: The present invention relates to a method for detecting curing and/or the local distribution of curing of the binder material, in particular for detection of anomalies of the cured binder, in a mineral fibre product. The present invention also relates to a reagent, in particular for use in such a method and the use of this reagent in the quality control of bonded mineral fibre products.Type: ApplicationFiled: December 11, 2014Publication date: November 3, 2016Inventors: Thomas HJELMGAARD, Erling Lennart HANSEN
-
Patent number: 9469766Abstract: 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: GrantFiled: November 21, 2013Date of Patent: October 18, 2016Assignee: ROCKWOOL INTERNATIONAL A/SInventor: Erling Lennart Hansen
-
Publication number: 20160177057Abstract: Described is an aqueous binder composition for mineral fibers which comprises a component (i) in the form of one or more carbohydrates and a component (ii) in the form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid, salts thereof.Type: ApplicationFiled: December 23, 2014Publication date: June 23, 2016Inventors: Thomas HJELMGAARD, Povl NISSEN, Lars NAERUM, Erling Lennart HANSEN
-
Publication number: 20160177068Abstract: Described is an aqueous binder composition for mineral fibers comprising a component (i) in the form of one or more compounds selected from compounds of the formulae set forth in the claims, and any salts thereof; a component (ii) in the form of one or more compounds selected from the group of ammonia, amines or any salts thereof; a component (iii) in the form of one or more carbohydrates; a component (iv) in the form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid or any salt thereof.Type: ApplicationFiled: December 23, 2014Publication date: June 23, 2016Inventors: Thomas HJELMGAARD, Povl NISSEN, Lars NAERUM, Erling Lennart HANSEN
-
Publication number: 20140350142Abstract: An aqueous binder composition comprises: (1) a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one polycarboxylic acid or anhydride and, optionally, treating the reaction product with a base; (2) a soy protein product; and, optionally, one or more of the following binder components; (3) a sugar component; (4) urea. The binder composition is particularly suitable as a binder for mineral fibres or as an adhesive for particle board and other composites.Type: ApplicationFiled: November 30, 2012Publication date: November 27, 2014Inventors: Erling Lennart Hansen, Lars Naerum, Povl Nissen, Dorte Bartnik Johansson
-
Publication number: 20140135430Abstract: An aqueous binder composition for mineral fibres comprises: (1) a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one polycarboxylic acid or anhydride and, optionally, treating the reaction product with a base; (2) a sugar component; and (3) urea, the proportion of components (1), (2) and (3) being within the range of 10 to 80 wt. % of (1), 15 to 80 wt. % of (2), and 5 to 60 wt. % of (3), based on the solids content of components (1), (2) and (3) as measured after heat treatment for 1 hour at 200° C.Type: ApplicationFiled: July 20, 2012Publication date: May 15, 2014Applicant: ROCKWOOL INTERNATIONAL A/SInventors: Lars Naerum, Povl Nissen, Erling Lennart Hansen
-
Publication number: 20140076197Abstract: 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: ApplicationFiled: November 21, 2013Publication date: March 20, 2014Applicant: ROCKWOOL INTERNATIONAL A/SInventor: Erling Lennart HANSEN
-
Patent number: 8591642Abstract: 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: GrantFiled: March 19, 2010Date of Patent: November 26, 2013Assignee: Rockwool International A/SInventor: Erling Lennart Hansen
-
Publication number: 20130295813Abstract: A method of reducing the formaldehyde emission of a mineral fibre product bonded with a urea-modified phenol-formaldehyde resol resin-type binder comprises the step of adding dextrose to the binder composition during and/or after preparation of the binder composition but before curing of the binder composition applied to the mineral fibres.Type: ApplicationFiled: December 5, 2011Publication date: November 7, 2013Applicant: ROCKWOOL INTERNATIONAL A/SInventors: Erling Lennart Hansen, Lars Naerum, Povl Nissen
-
Publication number: 20130283688Abstract: The invention provides a method of growing plants in a mineral wool growth substrate, the method comprising: providing at least one mineral wool growth substrate comprising man-made vitreous fibres bonded with a cured binder composition, and positioning one or more seeds or plants for growth in the growth substrate, and allowing growth of the one or more plants, wherein the binder composition prior to curing comprises: a) a sugar component, and b) a reaction product of a polycarboxylic acid component and an alkanolamine component, wherein the binder composition prior to curing contains at least 42% by weight of the sugar component based on the total weight (dry matter) of the binder components.Type: ApplicationFiled: August 31, 2011Publication date: October 31, 2013Applicant: ROCKWOOL INTERNATIONAL A/SInventors: Lars Naerum, Poul Nissen, Erling Lennart Hansen, Jean Marie Wilhelmus Cuypers, Eelke Gjalt Hempenius, Frank Hendrikus Janssen