Patents by Inventor Mitsuhiko Mano

Mitsuhiko Mano 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).

  • Production of purine derivatives and intermediates therefor
    Patent number: 4423219
    Abstract: Improved processes for producing purine derivatives, such as 9-(2-chloro-6-fluorobenzyl)-6-methylaminopurine, which are useful as anticoccidial agents, and new arylazopyrimidine compounds of the formula: ##STR1## wherein R.sup.1 and R.sup.2 each is hydrogen, C.sub.1-3 alkyl, allyl or dihalobenzyl, and when either one of R.sup.1 and R.sup.2 is hydrogen, the other is other than hydrogen, and R.sup.3 is aryl, and acid addition salts thereof, which are useful as intermediates for production of the purine derivatives.
    Type: Grant
    Filed: November 4, 1981
    Date of Patent: December 27, 1983
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kin-ichi Imai, Mitsuhiko Mano
  • L-Aspartyl-aminomalonic acid methyl 2-methylcyclohexyl diester
    Patent number: 3959245
    Abstract: A novel dipeptide, L-aspartyl-aminomalonic acid methyl 2-methylcyclohexyl diester and its physiologically acceptable salts which are useful as a sweetener, and production thereof and sweetening compositions containing the dipeptide or its salt.
    Type: Grant
    Filed: March 27, 1973
    Date of Patent: May 25, 1976
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Nobuo Nakajima, Hisashi Aoki, Masahiko Fujino, Osamu Nishimura, Mitsuhiro Wakimasu, Mitsuhiko Mano