Patents by Inventor Raymond G. Mainer

Raymond G. Mainer 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).

  • Process for ring-dyeing filaments
    Publication number: 20030080463
    Abstract: An apparatus and a continuous process for manufacturing a ring-dyed polymeric filament. A filament, formed by melt extrusion is directly fed into a tank containing a dye solution for a predetermined period of time. The resulting ring-dyed filament includes an outer cross-sectional region colored with the dye and an inner cross-sectional region not colored with the dye. The outer cross-sectional region may be of uniform thickness over the length of the filament. A quenching step can be performed either before or during the ring-dyeing step.
    Type: Application
    Filed: October 26, 2001
    Publication date: May 1, 2003
    Applicant: SPECIALTY FILAMENTS, INC.
    Inventors: Jennifer Harris, Monroe Moore, Raymond G. Mainer, Mark Antell, Howard Fish, Ronald Pratt