Patents by Inventor Paul H. Dahling

Paul H. 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: 5439558
    Abstract: A print substrate, in particular paper, has a coat on one or both sides, which contains ungelatinized starch granules and kaolin as coating pigment and possibly one or more additional mineral pigments and binder and wherein the content of the starch granules is 2 to 25% by weight with respect to the total coating pigment; the binder proportion--with respect to the total pigment--is less than 12% by weight calculated as parts by weight when dry; the gloss of the coat after calendaring is greater than 40% as measured at an angle of 75.degree. according to Lehmann; the mineral coating pigment comprises at least 60% by weight of kaolin and the mineral pigment component and starch granules make up the remainder to 100% by weight of the total coating pigment.
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: August 8, 1995
    Assignee: Stora Feldmuhle AG
    Inventors: Werner Bergmann, Paul H. Dahling
  • Patent number: 5334449
    Abstract: In the abstract No. 75-35061W of the WPI, Week 7521, Derwent P. L. London (citing JP-A-118906/1974) there is disclosed a paper with a cover coat applied by the cast coating process, for whose preparation first a prime coat is applied whose pigment composition consists of 30 wt. % of kaolin and 60 wt. % of a polystyrene pigment, and whose binding agent composition includes 10 weight-parts casein and 16 weight-parts of a carboxylated butadiene-styrene latex. After this prime coat has dried a mixture of 80 weight-parts of kaolin, 20 weight-parts of calcium carbonate, 10 weight-parts of casein and 8 weight-parts of a butadiene-styrene latex is applied and the applied composition is pressed at a temperature of 90.degree. C. against a chrome-lacquered surface.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: August 2, 1994
    Assignee: Stora Feldmuhle Aktiengesellschaft
    Inventors: Werner Bergmann, Paul H. Dahling