Patents by Inventor Akimi Saeki

Akimi Saeki 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).

  • Melt-blown non-woven fabric and laminated non-woven fabric material using the same
    Patent number: 5306545
    Abstract: The invention provides a melt-blown non-woven fabric obtained by melt-blowing an ethylene-.alpha.-olefin copolymer having a density of smaller than 0.900 g/cm.sup.3 and a crystallinity of from 5 to 40% or by melt-blowing a resin composition which chiefly comprises said copolymer, a laminated non-woven fabric obtained by laminating as a unitary structure a dry-type non-woven fabric on the melt-blown fabric that is obtained by melt-blowing said copolymer or the resin composition which chiefly comprises said copolymer, and a cataplasm which comprises the non-woven fabric obtained by melt-blowing said copolymer or said resin composition which chiefly comprises said copolymer, a dry-type non-woven fabric laminated on said melt-blown non-woven fabric, and a medicine layer applied onto said dry-type non-woven fabric. The non-woven fabric or the laminated non-woven fabric has excellent elastic property, i.e.
    Type: Grant
    Filed: December 9, 1992
    Date of Patent: April 26, 1994
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Ryutaro Shirayanagi, Akimi Saeki, Kazuhiro Masumoto, Masaki Shimizu