Patents Assigned to Universities Federation for Animal Welfare
  • Animal euthanasia
    Patent number: 4107818
    Abstract: A method of euthanasia for small animals, particularly cats, involving inducing hypoxia using a mixture of carbon dioxide and oxygen prior to gassing with carbon dioxide. The initial mixture contains not less than 40% carbon dioxide and not more than 50% oxygen. The apparatus consists of a lidless double chamber with valved gas supplies to the separate chambers.
    Type: Grant
    Filed: December 7, 1976
    Date of Patent: August 22, 1978
    Assignee: Universities Federation for Animal Welfare
    Inventors: Walter Norris Scott, Judy Anne MacArthur