Patents by Inventor Jacques Gilbert De Cauwer

Jacques Gilbert De Cauwer 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).

  • RENDER COMPRISING HONEYCOMB AND CEMENTITIOUS OR CLAY OR GEOPOLYMER MATERIAL
    Publication number: 20170350125
    Abstract: A render layer for a building comprises a honeycomb core of nonwoven polypropylene web, and a cementitious material fully filling the cells of the core, wherein (i) the nonwoven web has a porosity of from 5 microns to 600 microns, (ii) the core has a cell size of from 5 mm to 200 mm, (iii) the expansion and contraction across the plane of the core is greater than the expansion and contraction of the cementitious material filling the cells of the core, and (iv) the cementitious material is partly impregnated into the cell walls of the core.
    Type: Application
    Filed: June 1, 2016
    Publication date: December 7, 2017
    Inventors: Jacques Gilbert De Cauwer, DANIELE DIEDERICH WALDMANN
  • Corona charging of flash spun plexifilamentary film-fibril webs in poor charging environments
    Patent number: 5643524
    Abstract: This invention relates to flash spinning a plexifilamentary film-fibril strand and laying it down into sheet material including the step of subjecting the strand to an electrostatic charge. The invention is particularly focused on cleaning, and maintaining clean, the target plate of the electrostatic charging system by scrubbing or scouring the surface of the target plate with a highly abrasive brush moving at a relatively high speed. The target plate is selected to be abrasion resistant.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 1, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Jacques Gilbert De Cauwer, Ottmar Niederpruem, Michel Stachnik, Jean Francois Woll, Thomas Bednarz