Patents by Inventor Pushkar S. Varde

Pushkar S. Varde 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).

  • Publication number: 20230384482
    Abstract: The invention is directed to a sandwich colored hydrogel contact lenses lens, comprising: a pupil section, a generally annular iris section surrounding the pupil section, wherein the iris section having at least one colored, printed, opaque, intermittent pattern, wherein the said pattern is covered by a clear donut shape-layer layer, wherein the clear donut shape-layer layer is on inner surface of lens to the observer and has a thickness at least 25 ?m. And the method make such lenses using a common polypropylene base curve (BC Mold 1) and two different front curve molds (FC Mold 1, FC Mold 2) that provided different volume gaps to accommodate the size requirements of the two layers.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 30, 2023
    Inventors: Robert Carey Tucker, Pushkar S. Varde, Weihong Lang, Paul William Oyler