Patents by Inventor James Garfield Putnam

James Garfield Putnam 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).

  • Highly-purified recombinant reverse transcriptase
    Patent number: 5998195
    Abstract: A plasmid for expression of Moloney Murine Leukemia Virus-derived reverse transcriptase in E. coli cells deficient in the expression of indiginous RNAse activity, a method for purification of the recombinant enzyme, and a composition comprising a cloned and purified reverse transcriptase opimized for use in cDNA and nucleic acid amplification procedures.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: December 7, 1999
    Assignee: Gen-Probe Incorporated
    Inventors: Daniel Louis Kacian, Michael Garth Riggs, James Garfield Putnam
  • Stabilized enzyme compositions for nucleic acid amplification
    Patent number: 5834254
    Abstract: Stabilized enzyme compositions for use in nucleic acid amplification. Compositions are provided for the stabilization of one or more enzymes in a single stabilized formulation. Additional compositions incorporate a dried, stabilized enzyme mixture together with necessary cofactors and enzyme substrates in a single container for use upon rehydration. Also disclosed are methods for making and using stabilized enzyme compositions and kits for nucleic acid amplification incorporating the disclosed compositions.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: November 10, 1998
    Assignee: Gen-Probe Incorporated
    Inventors: Nancy Lau Liu Shen, Daniel Louis Kacian, James Garfield Putnam, William Michael Davis