Patents by Inventor Elaine E. Campbell

Elaine E. Campbell 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).

  • OPHTHALMIC COMPOSITIONS WITH IMPROVED DESSICATION PROTECTION AND RETENTION
    Publication number: 20230285443
    Abstract: The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery, In one embodiment of the present invention; the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the compositions also comprise a borate compound.
    Type: Application
    Filed: May 17, 2023
    Publication date: September 14, 2023
    Inventors: James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan
  • Ophthalmic compositions with improved dessication protection and retention
    Patent number: 11672820
    Abstract: The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery. In one embodiment of the present invention, the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the compositions also comprise a borate compound.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: June 13, 2023
    Assignee: Alcon Inc.
    Inventors: James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan
  • OPHTHALMIC COMPOSITIONS WITH IMPROVED DESSICATION PROTECTION AND RETENTION
    Publication number: 20220273699
    Abstract: The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery. In one embodiment of the present invention, the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the compositions also comprise a borate compound.
    Type: Application
    Filed: May 19, 2022
    Publication date: September 1, 2022
    Inventors: James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan
  • Ophthalmic compositions with improved dessication protection and retention
    Patent number: 11376275
    Abstract: The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery. In one embodiment of the present invention, the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the to compositions also comprise a borate compound.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: July 5, 2022
    Assignee: Alcon Inc.
    Inventors: James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan
  • OPHTHALMIC COMPOSITIONS WITH IMPROVED DESSICATION PROTECTION AND RETENTION
    Publication number: 20210060056
    Abstract: The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery. In one embodiment of the present invention, the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the to compositions also comprise a borate compound.
    Type: Application
    Filed: October 1, 2020
    Publication date: March 4, 2021
    Inventors: James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan
  • Ophthalmic compositions with improved dessication protection and retention
    Patent number: 10828320
    Abstract: The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery. In one embodiment of the present invention, the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the compositions also comprise a borate compound.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 10, 2020
    Assignee: Alcon Inc.
    Inventors: James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan
  • OPHTHALMIC COMPOSITIONS WITH IMPROVED DESSICATION PROTECTION AND RETENTION
    Publication number: 20200138853
    Abstract: The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery. In one embodiment of the present invention, the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the compositions also comprise a borate compound.
    Type: Application
    Filed: December 19, 2019
    Publication date: May 7, 2020
    Inventors: James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan
  • OPHTHALMIC COMPOSITIONS WITH IMPROVED DESSICATION PROTECTION AND RETENTION
    Publication number: 20170136057
    Abstract: The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery. In one embodiment of the present invention, the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the compositions also comprise a borate compound.
    Type: Application
    Filed: February 1, 2017
    Publication date: May 18, 2017
    Inventors: James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan
  • OPHTHALMIC COMPOSITIONS WITH IMPROVED DESSICATION PROTECTION AND RETENTION
    Publication number: 20130296264
    Abstract: The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery. In one embodiment of the present invention, the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the compositions also comprise a borate compound.
    Type: Application
    Filed: May 3, 2013
    Publication date: November 7, 2013
    Applicant: ALCON RESEARCH, LTD.
    Inventors: James W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan