Patents Assigned to Nor-Skilt
  • Patent number: 6552110
    Abstract: The subject invention pertains to thermoplastic marking compositions comprising a binder, which in turn comprise at least one homogeneous polymer. Accordingly, the subject invention provides a thermoplastic marking composition comprising: (a) from 10 to 80 weight percent of a binder, which in turn comprises: (i) from 1 to 99 weight percent of at least one homogeneous polymer; (ii) from 5 to 70 weight percent of at least one tackifier; (iii) from 0 to 10 weight percent of a polyethylene which has pendant acid functionality moieties of a non-functionalized wax; and (iv) from 0 to 20 weight percent of a plasticizer; and (b) from 20 to 90 weight percent of an inorganic filler. The subject formulations are usefully applied via spray, screed, and extrusion techniques.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: April 22, 2003
    Assignees: Dow Global Technologies Inc., Nor-Skilt
    Inventors: Selim Yalvac, Teresa Karjala, Robert A. Dubois, Mark W. Murphy, Stein Dietrichson, Bjorn Nossen, Ingvild J. B. Stene
  • Patent number: 6116814
    Abstract: Method for applying markings or signs to a surface (1), such as road surfaces and the like, comprising the laying down of a layer of a heated mass of a thermoplastic material (3). Before the laying down of thermoplastic material (3) there is applied a primer layer (2) on the surface (1), consisting of a curable plastic material which comprises two or more components.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: September 12, 2000
    Assignee: Rieber & Son, Division Nor-Skilt
    Inventor: Stein Dietrichson