Patents by Inventor George E. Alvan

George E. Alvan 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).

  • Patent number: 3985873
    Abstract: Ophthalmic solution suitable for treatment of microbial, especially bacterial, infections of and around the eye containing sulfacetamide, a medicinally or pharmaceutically acceptable water soluble mono salt of trimethoprim, a medicinally or pharmaceutically acceptable water soluble salt of polymyxin, especially polymyxin B, and water, the solution having a pH in the range of 4.5 to 6.5 with 5 to 6 being preferred.
    Type: Grant
    Filed: April 18, 1975
    Date of Patent: October 12, 1976
    Assignee: Burroughs Wellcome Co.
    Inventors: George E. Alvan, Elvin A. Holstius