Patents by Inventor Akitomo Uda

Akitomo Uda 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: 5087750
    Abstract: A process for producing .alpha.-hydroisobutyric acid amide by a hydration reaction of acetonecyanohydrin in the presence of a catalyst containing manganese dioxide as a main component, and also in the presence of an oxidizing agent. In accordance with the process, the service life of the catalyst is increased, and the .alpha.-hydroxyisobutyric acid amide is produced in a high yield.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: February 11, 1992
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Akitomo Uda, Shuji Ebata, Hirofumi Higuchi
  • Patent number: 4760171
    Abstract: A process for producing ethanol which comprises reacting methanol, carbon monoxide and hydrogen in the presence of a catalyst comprising a cobalt phosphine carbonyl complex having the formula:Co(CO).sub.3.R.sub.1 R.sub.2 R.sub.3 P.R.sub.4 R.sub.5 POwherein each of R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 is independently hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.20 cycloalkyl or aryl, and the alkyl, cycloalkyl or aryl may contain a member selected from N, O, S, halogen and mixtures thereof is disclosed.
    Type: Grant
    Filed: March 31, 1987
    Date of Patent: July 26, 1988
    Assignee: Agency of Industrial Science and Technology
    Inventors: Nobuo Isogai, Akitomo Uda, Kazuo Tanaka, Motoyuki Hosokawa