Patents by Inventor Ryoji Shiozaki

Ryoji Shiozaki 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).

  • Acidic liquid detergent composition for cleaning hard surfaces containing polyoxyalkylene alkyl ether solvent
    Patent number: 4247408
    Abstract: A weakly acidic or acidic liquid detergent composition comprising a water-soluble solvent, an anionic and/or nonionic surfactant, an acidic substance or a mixture of acidic substance and water-soluble salt thereof, wherein said water-soluble solvent has the formulaRO(C.sub.2 H.sub.4 O).sub.x (C.sub.3 H.sub.6 O).sub.y R'wherein R and R' are hydrogen, methyl or ethyl, with the proviso that R and R' are not hydrogen simultaneously, the sum of x plus y is from 3.0 to 10 and 0.ltoreq.x.ltoreq.0.25y.
    Type: Grant
    Filed: May 23, 1979
    Date of Patent: January 27, 1981
    Assignee: Kao Soap Co., Ltd.
    Inventors: Tetsuya Imamura, Ryoji Shiozaki