Patents by Inventor Dennis James George Long

Dennis James George Long 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).

  • Preservation process
    Patent number: 4112122
    Abstract: Foodstuffs, especially bread, can be preserved against the growth of microorganisms such as mould growth and rope formation by adding to the foodstuffs an acid propionate salt.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: September 5, 1978
    Assignee: BP Chemicals Limited
    Inventor: Dennis James George Long