Patents Assigned to J.R. Moon Pencil Co., Inc.
  • Writing instruments with thermochromic liquid crystal coatings
    Patent number: 6017594
    Abstract: Writing instruments are provided with thermochromic liquid crystal coatings which may be covered by acrylic polymer coatings. The underlying coatings are protected by an outer protective barrier lacquer coating.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: January 25, 2000
    Assignee: J.R. Moon Pencil Co., Inc.
    Inventor: Jeffrey D. Sheets
  • Method for making thermochromic writing instruments using topically applied thermochromic pigments
    Patent number: 5723178
    Abstract: A method for making thermochromic writing instruments using topically applied thermochromic pigments includes the steps of: providing a water-based or solvent-based lacquer having a predetermined viscosity; dispersing a predetermined concentration of thermochromic pigment in the gasket lacquer; applying the resulting thermochromic lacquer to writing instruments; removing the excess thermochromic lacquer from the coated writing instruments; and curing the coated thermochromic writing instruments.
    Type: Grant
    Filed: August 28, 1995
    Date of Patent: March 3, 1998
    Assignee: J.R. Moon Pencil Co., Inc.
    Inventor: Jeffrey D. Sheets
  • Method for making thermochromic writing instruments
    Patent number: 5698263
    Abstract: A method for making thermochromic writing instruments including 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: January 6, 1997
    Date of Patent: December 16, 1997
    Assignee: J. R. Moon Pencil Co., Inc.
    Inventor: Jeffrey D. Sheets
  • Method for making liquid crystal-coated thermochromic writing instruments
    Patent number: 5695834
    Abstract: A method for making liquid crystal-coated thermochromic writing instruments includes the steps of: coating the writing instruments with liquid crystals; 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: December 9, 1997
    Assignee: J.R. Moon Pencil Co., Inc.
    Inventor: Jeffrey D. Sheets