Patents by Inventor Mizuo Soeda

Mizuo Soeda 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).

  • Carbon black and rubber compositions containing same
    Patent number: 6403695
    Abstract: Novel carbon blacks having a CTAB of from 65 m2/g to 85 m2/g, a DBP of from 130 cc/100 g to 160 cc/100 g, a CTAB/I2 No. ratio of from 1.15 to 1.35, a &Dgr;DPB of from 20 cc/100 g to 40 cc/100 g, a Tint value of from 85 to 100, a Dmode of from 115 nm to 135 nm and a &Dgr;D50/Dmode ratio of from 0.65 to 0.90. Also disclosed are novel rubber compositions, incorporating the carbon blacks, having increased abrasion resistance and lower hysteresis.
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: June 11, 2002
    Assignee: Cabot Corporation
    Inventors: Mizuo Soeda, Akimasa Arita, Takeo Ito, Kazue Watanabe
  • Carbon black and rubber composition containing same
    Patent number: 6228928
    Abstract: New carbon blacks that when incorporated into rubber compositions impart increased abrasion resistance and lower hysteresis. Also disclosed are rubber composition incorporating the novel carbon blacks, which have nitrogen surface area of at least 100, a CDBP of at least 105, a tint of 90-140 and a delta D50/Dmode ratio of 0.6-0.76.
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: May 8, 2001
    Assignee: Cabot Corporation
    Inventors: Mizuo Soeda, Yoichi Yuza, Takeo Ito, Kazue Watanabe, Ted W. Bush, Martin Green, John M. Branan, Jr.
  • Carbon black having a high specific surface area
    Patent number: 5212226
    Abstract: Carbon blacks having stable surface area and structure which, when incorporated into rubber compositions, impart increased abrasion resistance and lower hysteresis. Also disclosed are rubber composition incorporating the novel carbon blacks.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: May 18, 1993
    Assignee: Cabot Corporation
    Inventors: Mizuo Soeda, Kazuyoshi Watanabe
  • Carbon black having a high specific surface area
    Patent number: 5110576
    Abstract: Carbon blacks having an I.sub.2 number of 135-200 and a DBP of 105-150 which, when incorporated into rubber compositions, impart increased abrasion resistance and lower hysteresis. Also disclosed are rubber compositions incorporating the novel carbon blacks.
    Type: Grant
    Filed: May 22, 1990
    Date of Patent: May 5, 1992
    Assignee: Cabot Corporation
    Inventors: Mizuo Soeda, Kazuyoshi Watanabe
  • Carbon blacks and rubber compositions containing the carbon blacks
    Patent number: 5093407
    Abstract: Carbon blacks having a N.sub.2 SA of from at least about 150 m.sup.2 /g to about 180 m.sup.2 /g, a DBP of about 125 cc/100 g or less, a Dmode of 70 nm or less, a N.sub.2 SA/I.sub.2 No. ratio of 0.85 to 0.98 and a .DELTA.DBP less than 210 cc/100 g which, when incorporated into rubber compositions, impart increased abrasion resistance, heterogenous abrasion resistance and grip performance properties. Also disclosed are rubber composition incorporating the novel carbon blacks.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: March 3, 1992
    Assignee: Cabot Corporation
    Inventors: Yasumi Komai, Mizuo Soeda