Patents by Inventor Robert C. Hockney

Robert C. Hockney 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: 5547867
    Abstract: Processes for preparing polypeptides such as ricin A such that soluble polypeptide may be obtained. The pH may be adjusted during the process or the temperature decreased during the terminal portion of the cultivation, and yeast extract may be added to the growth medium during the cultivation. In the case of ricin A the pH is generally adjusted by lowering the pH from a first value such as 6.7 to a second value such as a value between about 5.5 and 6.7.
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: August 20, 1996
    Assignee: Imperial Chemical Industries PLC
    Inventors: Bhuphendra V. Kara, Robert C. Hockney, John E. Fitton