Patents by Inventor Claude Leclercq

Claude Leclercq 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: 11280090
    Abstract: Gypsum board having a core, said core having at least one side covered with a non-woven fabric; characterized in that the inner side of the non-woven fabric, which is in contact with the core of the gypsum board, has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, advantageously from 25 to 40 micrometers.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: March 22, 2022
    Assignee: Ahlstrom-Munksjö Oyj
    Inventors: Emmanuel Faynot, Marc Berlioz, Samuel Merlet, Claude Leclercq
  • Publication number: 20200399179
    Abstract: Provided herein is a gypsum board comprising a core, said core comprising gypsum; a fluidizing agent; one or more water repellant agents; and glass fibers. Further provided herein is a method for the manufacture of such gypsum board.
    Type: Application
    Filed: September 3, 2020
    Publication date: December 24, 2020
    Inventors: Claude LECLERCQ, Pauline LOPEZ, Pierre Peyron, Yves Martini
  • Publication number: 20200284035
    Abstract: Gypsum board having a core, said core having at least one side covered with a non-woven fabric; characterized in that the inner side of the non-woven fabric, which is in contact with the core of the gypsum board, has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, advantageously from 25 to 40 micrometers.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Inventors: Emmanuel Faynot, Marc Berlioz, Samuel Merlet, Claude Leclercq
  • Patent number: 10662648
    Abstract: Gypsum board having a core, said core having at least one side covered with a non-woven fabric; characterized in that the inner side of the non-woven fabric, which is in contact with the core of the gypsum board, has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, advantageously from 25 to 40 micrometers.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: May 26, 2020
    Assignee: Ahlstrom-Munksjö Oyj
    Inventors: Emmanuel Faynot, Marc Berlioz, Samuel Merlet, Claude Leclercq
  • Publication number: 20190135695
    Abstract: Provided herein is a gypsum board comprising a core, said core comprising gypsum; a fluidizing agent; one or more water repellant agents; and glass fibers. Further provided herein is a method for the manufacture of such gypsum board.
    Type: Application
    Filed: February 16, 2017
    Publication date: May 9, 2019
    Inventors: Claude LECLERCQ, Pauline LOPEZ, Pierre Peyron, Yves Martini
  • Publication number: 20170305783
    Abstract: The invention relates to a fibrous mat facer for preparing a gypsum board, to a gypsum board comprising said mat facer and to a system comprising said gypsum board. The fibrous mat comprises at least one ply of a non-woven fabric, and a binder composition, wherein the binder composition represents from 10 to 40 wt % of the total weight of the mat. The binder composition comprises a copolymer comprising a co-monomer unit of a vinyl ester of an alpha branched aliphatic monocarboxylic acid, said copolymer being present in an amount from 25 to 100 wt % of the binder composition weight.
    Type: Application
    Filed: October 6, 2015
    Publication date: October 26, 2017
    Inventors: Emmanuel FAYNOT, Marc BERLIOZ, Samuel MERLET, Claude LECLERCQ
  • Publication number: 20150010730
    Abstract: Gypsum board having a core, said core having at least one side covered with a non-woven fabric; characterized in that the inner side of the non-woven fabric, which is in contact with the core of the gypsum board, has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, advantageously from 25 to 40 micrometers.
    Type: Application
    Filed: December 26, 2012
    Publication date: January 8, 2015
    Inventors: Emmanuel Faynot, Marc Berlioz, Samuel Merlet, Claude Leclercq
  • Patent number: 8151532
    Abstract: A construction assembly for interior works including prefabricated elements, wherein the prefabricated elements include a coating layer formed of at least one skim coat deposited on the prefabricated elements by a coating device; and at least one jointing material, e.g. a sealing coat, joint coat and/or joint pointing coat, which joints adjacent said prefabricated elements to form a substantially plane outer surface.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: April 10, 2012
    Assignee: Lafarge Platres
    Inventors: Francois Zuber, Claude Leclercq, Pascal Bourne-Chastel, Elizabeth A. Colbert, Pierre Gagne, Roland Boucher, Sylvie Bilodeau
  • Patent number: 7700505
    Abstract: The invention relates to a new plasterboard having a facer comprising two plies, and uses of such plasterboards in EIS or EFS.
    Type: Grant
    Filed: September 20, 2004
    Date of Patent: April 20, 2010
    Assignee: Lafarge Platres
    Inventors: Claude Leclercq, Steven Roy Butler
  • Publication number: 20090096873
    Abstract: According to a first aspect, the invention concerns an image sensor test system (1) that performs processing on an image (I1-I3) supplied by the sensor (1), during which the same operation is performed for each pixel of the image, characterised in that it includes a plurality of processing modules (MT1-MT4), where each module has: a memory that includes an Image zone (I) in which the image is intended to be stored; a processor (P1-P4) connected to the memory and capable of executing the said operation on a group of pixels of the image stored in the Image zone (I).
    Type: Application
    Filed: September 21, 2006
    Publication date: April 16, 2009
    Inventors: Jacques Hennes, Jean-Claude Leclercq, Laurent Dufrechou
  • Patent number: 7337587
    Abstract: A construction assembly includes a plurality of plaster boards, each of the plaster boards having a plaster body and at least one sheet of liner, the liner including an inner surface attached to the plaster body and an outer surface having an outer face; wherein said plaster boards are assembled creating at least one joint; and a joint-pointing coat jointing said plaster boards to form a substantially plane outer surface including the outer surface of said at least one joint and said outer surface of said liner, wherein the composition of the joint-pointing coat is adapted for the finishing of said at least one joint; wherein both the joint-pointing coat in the dry state and the outer face of the sheet of liner are adapted to form an overall surface having a substantially homogeneous coloration.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: March 4, 2008
    Assignee: Lafarge Platres
    Inventors: Francois Zuber, Claude Leclercq, Pascal Bourne-Chastel
  • Patent number: 7208225
    Abstract: The present invention provides a construction assembly for interior works, comprising: prefabricated elements, preferably flat prefabricated elements e.g. gypsum fiberboards, cement fiberboards, gypsum wall boards or plaster boards, wherein said prefabricated elements comprise a coating layer formed of at least one skim coat deposited on said prefabricated elements by a coating device; and at least one jointing material, e.g.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: April 24, 2007
    Assignee: Lafarge Platres
    Inventors: Francois Zuber, Claude Leclercq, Pascal Bourne-Chastel, Elizabeth A. Colbert, Pierre Gagne, Roland Boucher, Sylvie Bilodeau
  • Publication number: 20060068186
    Abstract: The invention relates to a new plasterboard having a facer comprising two plies, and uses of such plasterboards in EIS or EFS.
    Type: Application
    Filed: September 20, 2004
    Publication date: March 30, 2006
    Inventors: Claude Leclercq, Steven Butler
  • Publication number: 20040237436
    Abstract: A construction assembly for interior works including prefabricated elements, wherein the prefabricated elements include a coating layer formed of at least one skim coat deposited on the prefabricated elements by a coating device; and at least one jointing material, e.g. a sealing coat, joint coat and/or joint pointing coat, which joints adjacent said prefabricated elements to form a substantially plane outer surface.
    Type: Application
    Filed: July 7, 2004
    Publication date: December 2, 2004
    Applicant: LAFARGE PLATRES
    Inventors: Francois Zuber, Claude Leclercq, Pascal Bourne-Chastel, Elizabeth A. Colbert, Pierre Gagne, Roland Boucher, Sylvie Bilodeau
  • Publication number: 20040216424
    Abstract: A construction assembly includes a plurality of plaster boards, each of the plaster boards having a plaster body and at least one sheet of liner, the liner including an inner surface attached to the plaster body and an outer surface having an outer face; wherein said plaster boards are assembled creating at least one joint; and a joint-pointing coat jointing said plaster boards to form a substantially plane outer surface including the outer surface of said at least one joint and said outer surface of said liner, wherein the composition of the joint-pointing coat is adapted for the finishing of said at least one joint; wherein both the joint-pointing coat in the dry state and the outer face of the sheet of liner are adapted to form an overall surface having a substantially homogeneous coloration.
    Type: Application
    Filed: June 1, 2004
    Publication date: November 4, 2004
    Applicant: LAFARGE PLATRES
    Inventors: Francois Zuber, Claude Leclercq, Pascal Bourne-Chastel
  • Publication number: 20030175478
    Abstract: A plasterboard having a plaster-based core, wherein the plasterboard is provided on at least one of its sides with a glass-fiber mat facing, the mat facing being coated on an external face with a coating composition including a mineral filler, with the exception of hydratable calcium sulphates; and an organic or mineral binder.
    Type: Application
    Filed: January 16, 2003
    Publication date: September 18, 2003
    Inventor: Claude Leclercq
  • Publication number: 20030138614
    Abstract: A plasterboard composition includes from 55 to 92% of hydratable calcium sulphate; from 0.1 to 5% of mineral and/or refractory fibres; from 3 to 25% of a mineral additive; from 1 to 5% of unexpanded vermiculite; and from 3 to 15% of hydrated alumina.
    Type: Application
    Filed: January 16, 2003
    Publication date: July 24, 2003
    Inventor: Claude Leclercq
  • Publication number: 20030044630
    Abstract: Fire-resistant prefabricated structural element having a relatively small average thickness, comprising a substrate based on cured plaster, said substrate being able to be obtained by hydration, for example mixing, of dry matter comprising mostly at least a hydratable calcium sulfate, and a mineral additive in discrete form, comprising a clayey material, characterized in that the mineral additive essentially comprises a clayey material, the quantity of crystalline silica of which is at most equal to approximately 15% by weight of said mineral additive, and an inert mineral supplement compatible with the clayey material and dispersible in the cured-plaster substrate.
    Type: Application
    Filed: February 10, 2000
    Publication date: March 6, 2003
    Inventor: Claude Leclercq
  • Patent number: 6105325
    Abstract: A construction assembly for interior works, comprising:(1) plaster boards, each of which plaster boards comprises a plaster body and at least one sheet of lining paper, wherein the lining paper comprises(a) an upper layer or web comprising white cellulose fibers and a mineral filler of light color, and(b) a pigment layer covering said upper layer or web, wherein the pigment layer comprises a mineral filler of light color and a binder,wherein said plaster boards are assembled creating at least one joint; and(2) a joint-pointing coat jointing said plaster boards to form a substantially plane outer surface comprising the visible surface of said at least one joint and the visible surface of said pigment layer, wherein the composition of which joint-pointing coat is adapted for the finishing of said at least one joint, wherein said joint-pointing coat comprises a mineral filler of white color;wherein the composition of said joint-pointing coat is similar to the composition of said upper layer or web and/or said pi
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: August 22, 2000
    Assignee: Lafarge Platres
    Inventors: Francois Zuber, Claude Leclercq, Pascal Bourne-Chastel