Patents by Inventor Masaaki Iwahashi

Masaaki Iwahashi 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).

  • Foaming surfactant composition comprising fatty acid polyoxyalkylene lower alkyl ether and fatty acid monoglyceride
    Patent number: 5554315
    Abstract: A surfactant composition containing a fatty acid polyoxyalkylene lower alkyl ether represented by formula (1):R(OR.sup.1).sub.n OR.sup.2 (1)wherein R represents an alkanoyl or alkenoyl group having from 10 to 18 carbon atoms;R.sup.1 represents an alkylene having from 2 to 4 carbon atoms;R.sup.2 represents a lower alkyl group; andn is from 5 to 100 on the average; and a fatty acid monoglyceride represented by formula (2):R.sup.3 OCH.sub.2 CH(OH)CH.sub.2 OH (2)wherein R.sup.3 represents an alkanoyl group having from 8 to 16 carbon atoms or an alkenoyl group having from 12 to 22 carbon atoms;are disclosed.The foaming properties of a fatty acid polyoxyalkylene lower alkyl ether of formula (1) are improved by adding a fatty acid monoglyceride represented by formula (2) to the fatty acid polyoxyalkylene lower alkyl ether of formula (1).
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: September 10, 1996
    Assignee: Kao Corporation
    Inventors: Manabu Tonomura, Masaaki Iwahashi, Toyomi Koike