Patents by Inventor Miwako Abe

Miwako Abe 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 cleaning composition
    Patent number: 4013579
    Abstract: An acidic cleaning composition comprising at least 0.1 weight percent of at least one member selected from the group consisting of furan-carboxylic acid and derivatives thereof having the following formula I and tetrahydrofuran-carboxylic acid and derivatives thereof having the following formula II ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen, --COOH, --CH.sub.3, --C.sub.2 H.sub.5 or --OH with the proviso that at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is --COOH.
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: March 22, 1977
    Assignee: Kao Soap Co., Ltd.
    Inventors: Yumio Nakasone, Miwako Abe, Hiroshi Mizutani
  • Acidic cleaning composition
    Patent number: 3953352
    Abstract: An acidic cleaning composition comprising at least 0.1 weight percent of pyrrolidone-carboxylic acid or derivatives thereof having the following formula ##EQU1## wherein R.sub.1, R.sub.2 and R.sub.3 are hydrogen, --COOH, --CH.sub.3, --C.sub.2 H.sub.5 or --OH with the proviso that at least one of R.sub.1, R.sub.2 and R.sub.3 is --COOH, and R.sub.4 is hydrogen, --CH.sub.3 or --C.sub.2 H.sub.5.
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: April 27, 1976
    Assignee: Kao Soap Co., Ltd.
    Inventors: Hiroshi Mizutani, Miwako Abe, Yumio Nakasone