Patents by Inventor Tomoyoshi Nakajima

Tomoyoshi Nakajima 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).

  • Antiseptic agent for food and drink and method of antiseptic treatment thereof
    Patent number: 4820520
    Abstract: Disclosed is an antiseptic agent for food and drink, which comprises, as an effective ingredient, a pectin decomposition product having a molecular weight of 600 to 5000. This antiseptic agent is very effective for improving the preservability of food and drink. If at least one member selected from the group consisting of ethanol, glycine, sodium acetate, ascorbic acid, sodium ascorbate, glycerin fatty acid esters, sodium chloride and ethylenediaminetetraacetic acid salts is used in combination with this antiseptic agent, its antifungal activity can further be enhanced.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: April 11, 1989
    Assignee: Asama Chemical Co., Ltd.
    Inventors: Koki Yokotsuka, Tadae Kushida, Yumiko Kanai, Toshihide Aihara, Mizuo Yajima, Tomoyoshi Nakajima