Patents by Inventor Daniel Gilles

Daniel Gilles 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).

  • Process for the extraction and purification of proteins from culture media producing them
    Patent number: 4857317
    Abstract: The process is applicable to the supernatant of engineered yeast cells disrupted in the presence of a non-ionic detergent; it comprises the precipitation of contaminants by polyethylene glycol and the treatment of this latter supernatant with either a bivalent metal cation or, after eventual ultrafiltration, with ammonium sulfate.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: August 15, 1989
    Assignee: SmithKline Biologicals
    Inventors: Frans V. Wijnendaele, Daniel Gilles, Guy Simonet
  • Process for the extraction and purification of proteins from culture media producing them
    Patent number: 4683294
    Abstract: The process is applicable to the supernatant of engineered yeast cells disrupted in the presence of a non-ionic detergent: it comprises the precipitation of contaminants by polyethylene glycol and the treatment cation or, after eventual ultrafiltration, with ammonium sulfate.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: July 28, 1987
    Assignee: Smith Kline RIT, S.A.
    Inventors: Frans Van Wijnendaele, Daniel Gilles, Guy Simonet