Patents by Inventor Paul Heinz Dahling

Paul Heinz Dahling 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: 5952091
    Abstract: A web printing paper, including a coating base paper which contains mineral filler and at least one of wood pulp and cellulose as fiber components. The coating base paper has a grammage of 30 to <58 g/m.sup.2, and a filler content, relative to its grammage, equal to 15 to 35% by weight. The coating base paper selectively contains, in addition to the at least one of wood pulp and cellulose, up to <50% by weight recycled fibers, all weight parts adding up to 100% by weight. The printing paper further includes a coating applied to both sides of the base paper by a film press so as to absorb printing ink. The coating contains pigment and binder. The coating on each side of the base paper has a grammage of 2 to 12 g/m.sup.2, and the pigment of the coating has a grain size, 40 to 60% by weight, of <2 .mu.m.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: September 14, 1999
    Assignee: Stora Feldmuhle AG
    Inventors: Dieter Horand, Adam Gurtler, Bernd Pelech, Paul-Heinz Dahling
  • Patent number: 5753077
    Abstract: In a web printing paper the base paper comprises of more than 50% wt. de-inked recycled fibers, 10-35% wt. mineral filler and the remainder being wood-pulp and/or cellulose and has a weight of 30 to less than 60 g/m.sup.2. The base paper is coated with a coating having a weight of 2 to 8 g per m.sup.2 and side and the binder proportion is no more than 15% wt. in relation to the coating pigment.
    Type: Grant
    Filed: September 21, 1995
    Date of Patent: May 19, 1998
    Assignee: Stora Feldmuhle AG
    Inventors: Dieter Horand, Adam Gurtler, Paul Heinz Dahling, Bernd Pelech