Patents by Inventor Kazumi Yoshigoe

Kazumi Yoshigoe 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).

  • Patent number: 5437688
    Abstract: A granular reactive dye composition comprising a water-soluble reactive dye and at least one granulating auxiliary agent selected from the group consisting of compounds of the following formula (3), ##STR1## wherein R is --C.sub.s H.sub.2s+1, in which s is an integer of 5 to 20 and wherein the content of the granulating auxiliary agent is 5 parts by weight or less per 100 parts by weight of the reactive dye.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: August 1, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Noriaki Yamauchi, Nobuaki Kawamura, Tatuo Miura, Shuhei Hashizume, Isao Nakamae, Kazumi Yoshigoe, Hiroyuki Suzuki, Iwao Minami
  • Patent number: 5259850
    Abstract: A granular type reactive dye composition containing a reactive dye, an inorganic salt and water, the water content being from 4.5 through 15% by weight and the inorganic salt content being 20% by weight or less, both based on the weight of the composition, which is excellent in storage stability, compatibility with water and hot water, and reproducibility, when used for dyeing or printing cellulose fibers.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: November 9, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Naoki Harada, Noriaki Yamauchi, Syuhei Hashizume, Yutaka Kayane, Kazumi Yoshigoe, Isao Nakamae