Patents by Inventor Nobuo Morohashi

Nobuo Morohashi 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).

  • Water-disintegratable cleaning sheet containing alkylcellulose
    Patent number: 6228218
    Abstract: A water-disintegratable cleaning sheet consisting of a fibrous sheet having incorporated thereinto, a binder of alkylcellulose; an electrolyte, and (a) a copolymer of a polymerizable acid anhydride and other compounds and/or (b) an amino acid. The water-disintegratable cleaning sheet has excellent water disintegratability and wet strength and further it is not degraded in the water disintegratability and wet strength after storage at high temperatures.
    Type: Grant
    Filed: December 24, 1998
    Date of Patent: May 8, 2001
    Assignee: Uni-Charm Corporation
    Inventors: Naohito Takeuchi, Takayoshi Konishi, Ryuichiro Kurata, Nobuo Morohashi, Masayoshi Matsumoto