Patents by Inventor Warren E. Shrader

Warren E. Shrader 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).

  • Preparation of an acylated protein powder
    Patent number: 5700904
    Abstract: A method for recovering an acylated protein as a powder, especially in cases where said acylated protein is one that resists isolation by isoelectric precipitation from aqueous solutions of the protein, said method comprising in combination adjusting said aqueous solution to near the isoelectric pH of the protein and providing a suitable alcohol concentration to cause precipitation of the protein in the form of filterable particles at said pH.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 23, 1997
    Assignee: Eli Lilly and Company
    Inventors: Jeffrey Clayton Baker, Brian A. Moser, Warren E. Shrader
  • Reducing gelation of a fatty acid-acylated protein
    Patent number: 5631347
    Abstract: A method for processing a fatty acid-acylated protein, especially N-palmitoyl Lys.sup.B29 human insulin, to reduce the incidence of gelation by conducting such processing in the presence of a citrate buffering agent as the primary buffer which method allows such processing to be conducted at higher protein concentrations and with less temperature control than would otherwise be possible in the absence of the citrate buffer.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 20, 1997
    Assignee: Eli Lilly and Company
    Inventors: Jeffrey C. Baker, Jose M. Hanquier, Warren E. Shrader