Patents by Inventor Katharyn M. Brychta

Katharyn M. Brychta 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 solution
    Patent number: 4120949
    Abstract: An ophthalmic solution is disclosed comprising an aqueous solution of polyvinyl alcohol, hydroxyethyl cellulose, polyvinylpyrrolidone, and, optionally, hydroxypropyl methylcellulose. The ophthalmic solution is used in treating dry eye syndrome due to insufficient tear production in humans and mammals, and as an ocular lubricant for inflamed eyes.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: October 17, 1978
    Assignee: Cooper Laboratories, Inc.
    Inventors: Krishna M. Bapatla, Katharyn M. Brychta