Patents Examined by Beth Burrous
  • Non-infectious mutant clone of HIV
    Patent number: 4931393
    Abstract: The present invention is related to providing a non-infectious molecular clone of a mutant HIV and HIV proteins useful as immunogens and reagents for diagnostic kit.
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: June 5, 1990
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Malcolm A. Martin, Ronald Willey
  • DNA fragments containing alkaline cellulase gene, recombinant plasmids with said DNA fragments inserted therein, and recombinant microorganisms
    Patent number: 4904599
    Abstract: DNA frangments containing an alkaline cellulase K gene, which comprise about 4.0, about 2.4 and about 1.9 kilo base pairs, respectively, each having a specific restruction map, recombinant plasmids containing any of these DNA fragments, and recombinant microorganisms harboring any of said plasmids.The alkaline cellulase K gene is derived from a bacterial strain which belongs to the genus Bacillus and is alkalophilic, that is, capable of revealing an optimum growth in an alkaline pH region.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: February 27, 1990
    Assignee: KAO Corporation
    Inventors: Katsuya Ozaki, Kazushi Oshino, Kenzo Koike, Susumu Ito, Kikuhiko Okamoto