Patents by Inventor Harutaka Kimura

Harutaka Kimura 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).

  • Curing agent for fat necrosis and method for curing said disease
    Patent number: 4910217
    Abstract: A curing agent for fat necrosis which contains a dithia derivative represented by the general formula ##STR1## wherein R and R.sup.1 may be either the same or different and denote a lower alkyl group; n denotes an integer of 0, 1 or 2; and A denotes --CH.sub.2 --, ##STR2## M being H or a salt-forming rest, --CH.dbd.CH--, --CH.sub.2 CH.sub.2 --, or ##STR3## and a method for curing said disease using the said curing agent.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: March 20, 1990
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Matazaemon Uchida, Masakazu Shibayama, Isao Nishino, Harutaka Kimura
  • Process for producing polyoxymethylene
    Patent number: 4158729
    Abstract: Polyoxymethylene is produced by polymerizing formaldehyde in the presence of a catalyst comprising a catalytic component of an organoaluminum compound or a complex thereof supported on a modifier of a higher carboxylic acid amide compound.The organoaluminum compound can be in a form of a complex of the organoaluminum compound and a phosphorus compound or an amine.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: June 19, 1979
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Harutaka Kimura, Seiichi Nozawa, Seiichi Mukai, Masaharu Shikama