Patents by Inventor D. Gregory Royster

D. Gregory Royster has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5118532
    Abstract: A method of producing decorative web from nonwoven polyester web includes heat setting the web at a temperature between 390 and 410 degrees Farenheit before applying a pigmented, solvent soluble, thermoplastic resin composition to at least one side of the web. The composition can include a polymer solution, which includes a vinyl polymer such as one or both of a polyvinyl chloride homopolymer resin and a polyvinyl chloride acetate copolymer resin, a solvent, plasticizers, heat stabilizers, light stabilizers, pigments and antistats. The composition also preferably may include fillers, soil repellents, and flame retardants. The composition is applied by a knife-over-roll apparatus, a rotogravure printer, or other conventional applicating apparatus. After the composition is applied, the web is passed through a hot air oven maintained at a temperature in the range of from about 230.degree. F. to about 330.degree. F. to dry the web of solvent and cure the composition to form solids in the web.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: June 2, 1992
    Assignee: VyTech Industries, Inc.
    Inventors: Ann H. Batson, J. Bennett Billings, D. Gregory Royster