Patents by Inventor Pentti Rissanen

Pentti Rissanen 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: 5302404
    Abstract: Wallpaper comprises a coating layer (2) containing latex binder and pigment on top of a base paper (1). The coating layer (2) contains a surface coating (PP) containing pigment and latex binder and its amount is at least 20 g/m.sup.2 as dry matter. The total amount of the coating layer (2) is at least 30 g/m.sup.2 as dry matter. The surface coating (PP) contains at least 30-70 parts of the latex binder per 100 parts of a water-insoluble pigment, whereof the amount of a water-insoluble inorganic mineral pigment is at least 40 wt-%. The wallpaper has essentially the same external properties as an ordinary PVC coated wallpaper and improved printing and embossing properties.
    Type: Grant
    Filed: November 18, 1992
    Date of Patent: April 12, 1994
    Assignee: Oy Kyro Board & Paper Ltd.
    Inventors: Pentti Rissanen, Antero Juopperi, Veli-Matti Kaukonen