Patents by Inventor Robert C. Blyth

Robert C. Blyth 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: 4222939
    Abstract: A process for making solid sodium amoxycillin is disclosed. The process comprises freeze drying a solution containing sodium amoxycillin in a solvent system containing water and a secondary or tertiary carbinol of four or five carbon atoms which is at least 5% w/v soluble in water at 25.degree..
    Type: Grant
    Filed: August 29, 1978
    Date of Patent: September 16, 1980
    Assignee: Beecham Group Limited
    Inventors: Dennis E. Clark, Robert C. Blyth