Patents Assigned to Calladium Corporation
  • Method for making thermochromic writing instruments having a reptilian texture
    Patent number: 5618581
    Abstract: A method for making thermochromic writing instruments having a reptilian texture includes the steps of: coating the writing instruments with liquid crystals; curing the coated writing instruments; coating the writing instruments with an acrylic polymer emulsion; curing the coated writing instruments; coating the writing instruments with a colloidal lacquer; curing the coated writing instruments; coating the writing instruments with a nitrocellulose lacquer; and curing the coated writing instruments.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: April 8, 1997
    Assignee: Calladium Corporation
    Inventor: Jeffrey D. Sheets