Patents Assigned to Preserved Botanicals, Inc.
  • Method for foliage and other plant material dye coloration preservation and topical seal coating
    Patent number: 5807604
    Abstract: A method for manufacturing long-lasting decorative items from foliage and other natural plant materials by infusion with an aqueous ethylene glycol solution of tartrazine yellow dye, either singly or with co-dye colorants, about 0.1 to 1.6 g/L dissolved CO.sub.2 and optional low concentrations of a soluble potassium salt, followed by removal of excess solution and application of a topical water-based organic sealant.
    Type: Grant
    Filed: August 27, 1997
    Date of Patent: September 15, 1998
    Assignee: Preserved Botanicals, Inc.
    Inventors: Jeffrey L. Dokkestul, David L. Hauge, Leo A. Ochrymowycz
  • Method for foliage and other plant material dye coloration, preservation and topical seal coating
    Patent number: 5693361
    Abstract: A method for manufacturing long-lasting decorative items from foliage and other natural plant materials by infusion with an aqueous ethylene glycol solution of tartrazine yellow dye, either singly or with co-dye colorants, about 0.1 to 1.6 g/L dissolved CO.sub.2 and optional low concentrations of a soluble potassium salt, followed by removal of excess solution and application of a topical water-based organic sealant.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: December 2, 1997
    Assignee: Preserved Botanicals, Inc.
    Inventors: Jeffrey L. Dokkestul, David L. Hauge, Leo A. Ochrymowycz