Patents by Inventor Fred W. Wendel

Fred W. Wendel 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 formulation
    Patent number: 5597559
    Abstract: A preservative-free ophthalmic composition useful in the treatment of conditions such as dry eye comprising an aqueous solution of hydroxypropyl methylcellulose, polyethylene glycol, dextrose, potassium chloride, boric acid and sodium borate decahydrate.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: January 28, 1997
    Assignee: Ciba Geigy Corporation
    Inventors: Orest Olejnik, Fred W. Wendel