Patents Assigned to Altor Box Board Company
  • Rigid-when-wet paperboard containers and their manufacture
    Patent number: 4046935
    Abstract: Rigid-when-wet, but foldable, corrugated paperboard and process of making same by applying phenolic resin to contiguous surfaces of the outer liner, the medium, and the inner liner without substantially altering the hygroscopicity of the exposed faces of the liners, and adhering the three components together before the resin is cured.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: September 6, 1977
    Assignee: Altor Box Board Company
    Inventors: Robert M. Wilkinson, James R. Lyon