Patents by Inventor Maricel Teresa Repetto

Maricel Teresa Repetto 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).

  • Injection molding apparatus and method for manufacturing an ophthalmic lens mold through injection molding
    Patent number: 11794386
    Abstract: An injection molding apparatus for manufacturing an ophthalmic lens mold having a front surface comprising a lens forming portion and a rear surface, comprises a first molding tool and a second molding tool. The first and second molding tools are movable towards and away from each other between a closed position and an open position. In the closed position the first mold forming portion of the first molding tool and the second mold forming portion of the second molding tool define a cavity between them corresponding in shape to the shape of the ophthalmic lens mold. The surface of the second mold forming portion, at least in a central zone thereof, has a surface roughness Sa in the range of 0.3 ?m to 2 ?m, and a surface roughness Sz in the range of 10 ?m to 50 ?m.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: October 24, 2023
    Assignee: Alcon Inc.
    Inventors: Thomas Tonn, Jan Bernard, Halina Heidrich, Eduard Jetzlaff, Yasin Acikgoez, Maricel Teresa Repetto, Matthias Schwab
  • INJECTION MOLDING APPARATUS AND METHOD FOR MANUFACTURING AN OPHTHALMIC LENS MOLD THROUGH INJECTION MOLDING
    Publication number: 20200164555
    Abstract: An injection molding apparatus for manufacturing an ophthalmic lens mold having a front surface comprising a lens forming portion and a rear surface, comprises a first molding tool and a second molding tool. The first and second molding tools are movable towards and away from each other between a closed position and an open position. In the closed position the first mold forming portion of the first molding tool and the second mold forming portion of the second molding tool define a cavity between them corresponding in shape to the shape of the ophthalmic lens mold. The surface of the second mold forming portion, at least in a central zone thereof, has a surface roughness Sa in the range of 0.3 ?m to 2 ?m, and a surface roughness Sz in the range of 10 ?m to 50 ?m.
    Type: Application
    Filed: November 25, 2019
    Publication date: May 28, 2020
    Inventors: Thomas Tonn, Jan Bernard, Halina Heidrich, Eduard Jetzlaff, Yasin Acikgoez, Maricel Teresa Repetto, Matthias Schwab