Patents by Inventor Masanao Morita

Masanao Morita 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).

  • Chelating composition
    Patent number: 6103686
    Abstract: A chelating composition containing an aliphatic polycarboxylic acid of the following formula (I): ##STR1## wherein A is an imino group or an oxygen atom, R is a hydrogen atom or a hydroxyl group, and n is 0 or 1, or the salt thereof and sugar or saccharic acid of 4 to 12 carbon atoms at such a ratio as enables the components to manifest synergistic effects is provided. This chelating composition is capable of effectively sequestering a metal ion and preventing the metal ion from being insolubilized without causing pollution of the environment.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: August 15, 2000
    Assignees: Nippon Shokubai Co. Ltd., Teikoku Chemical Industries Co., Ltd.
    Inventors: Miaki Asakawa, Yasutaka Sumida, Masatoshi Shimomura, Shuichi Okuno, Tadanobu Morimoto, Masanao Morita, Hitoshi Suenaga