Patents Assigned to Director General, National Institute of Animal Industry
  • 2-acrylamine-2-methyl-1-propanesulfonic acid enhancement of alkaline phosphatase label detection
    Patent number: 5443958
    Abstract: A first solution containing Tris-HCl, MgCl.sub.2, a homopolymer of 2-acrylamide-2-methylpropanesulfonate (AMPS) and agarose is applied to a filter having alkaline phosphatase to be detected. A second solution containing Tris-HCl, MgCl.sub.2, homopolymer of AMPS, 5-bromo-4-chloroindoxyl phosphate, nitroblue tetrazolium and agarose is applied onto a film formed by the first solution.
    Type: Grant
    Filed: June 5, 1992
    Date of Patent: August 22, 1995
    Assignee: Director-General, National Institute of Animal Industry
    Inventor: Hiroshi Yasue
  • In vitro culture method for a fertilized ovum of a hen
    Patent number: 5286641
    Abstract: A fertilized ovum is recovered from an upper portion of a magnum of an oviduct of a dead hen 60 to 80 minutes after oviposition. The fertilized ovum is placed in a container containing a thin albumen. A yolk of the ovum is covered with a sheet of gauze, and the ovum is cultured up to the blastoderm stage (stage X) in the container which is covered with a sheet of plastic film that is held by a rubber band.
    Type: Grant
    Filed: September 18, 1991
    Date of Patent: February 15, 1994
    Assignee: Director General, National Institute of Animal Industry
    Inventor: Mitsuru Naito