Patents Examined by Jose Portuna
  • Patent number: 6461475
    Abstract: A paper-based sheet for wallcoverings that is made in a single pass on a standard paper making machine is described. The sheet has a print side and a barrier side and is made from softwood pulp in an amount of about 15% to about 40% by dry weight; hardwood pulp in an amount of about 30% to about 55% by dry weight; and, mineral filler in an amount of about 15% to about 30% by dry weight. A first coating is applied to the print side of the sheet in an amount of about 5 to about 20 gm/m2 dry weight. A second coating is applied to the barrier side of the sheet in an amount of about 2.5 to about 10 gm/m2 dry weight. The advantage is a strong, durable, alkaline wallcovering that is less expensive to produce, and provides a smooth print surface.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: October 8, 2002
    Assignee: Domtar Inc.
    Inventor: Harold Freeburn
  • Patent number: 6435192
    Abstract: A safety ashtray has a frustoconical configuration formed by a sloping cover over a hollow ash and butt receiving interior region. The cover has a central access opening to the interior region and is provided with a plurality of cigarette rest areas spaced from one another around the cover. Each rest area includes an upper and a lower cigarette catch with each of the catches extending upwardly from the cover, the sloping of which locates the upper catch more centrally of the ashtray than the lower catch. When a cigarette is positioned on the catches, it is prevented from rolling and it is also elevated from the cover by the catches which hold the cigarette in an upwardly inwardly angled position on the ashtray.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: August 20, 2002
    Inventor: Enzo Cancellera
  • Patent number: 6379496
    Abstract: The present invention is a method for making a high quality paper product at improved process efficiency through the use of high steam levels in the Yankee dryer. The product according to the present invention is creped from the Yankee dryer while it is still wet and is then drying is completed using conventional methods. Products made according to the present invention exhibit improved absorbency, softness and bulk.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: April 30, 2002
    Assignee: Fort James Corporation
    Inventors: Steven L. Edwards, Robert J. Marinack