Patents by Inventor Teruyuki Ishiba

Teruyuki Ishiba 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).

  • Dipeptide derivatives and their production
    Patent number: 4076702
    Abstract: Dipeptide derivatives represented by the formula: ##STR1## wherein R represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.2 -C.sub.7 alkenyl group, C.sub.2 -C.sub.7 cyanoalkyl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.3 -C.sub.10 dialkylaminoalkyl group or cyclopropylmethyl group, R.sup.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.7 -C.sub.14 hydroxyaralkyl group, C.sub.6 -C.sub.12 aryl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.2 -C.sub.7 carboxyalkyl group, C.sub.1 -C.sub.6 aminoalkyl group, C.sub.4 -C.sub.10 guanidylalkyl group, C.sub.1 -C.sub.6 mercaptoalkyl group, C.sub.2 -C.sub.7 alkylthioalkyl group, C.sub.9 -C.sub.15 indolylalkyl group or C.sub.4 -C.sub.9 imidazolylalkyl group, R.sup.2 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.6 -C.sub.12 aryl group, glycyl group or glycyl-glycyl group, R.sup.3 represents hydrogen, C.sub.1 -C.sub.6 alkyl group or amino-protecting group, R.sup.1 and R.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: February 28, 1978
    Assignee: Shionogi & Co., Ltd.
    Inventors: Kentaro Hirai, Teruyuki Ishiba, Kazuyuki Sasakura, Hirohiko Sugimoto
  • Dipeptide derivatives and their production
    Patent number: 4076705
    Abstract: Dipeptide derivatives represented by the formula: ##STR1## wherein R represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.2 -C.sub.7 alkenyl group, C.sub.2 -C.sub.7 cyanoalkyl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.3 -C.sub.10 dialkylaminoalkyl group or cyclopropylmethyl group, R.sup.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.7 -C.sub.14 hydroxyaralkyl group, C.sub.6 -C.sub.12 aryl group, C.sub.2 -C.sub.7 carbamoylalkyl group, C.sub.2 -C.sub.7 carboxyalkyl group, C.sub.1 -C.sub.6 aminoalkyl group, C.sub.4 -C.sub.10 guanidylalkyl group, C.sub.1 -C.sub.6 mercaptoalkyl group, C.sub.2 -C.sub.7 alkylthioalkyl group, C.sub.9 -C.sub.15 indolylalkyl group or C.sub.4 -C.sub.9 imidazolylalkyl group, R.sup.2 represents hydrogen, C.sub.1 -C.sub.6 alkyl group, C.sub.7 -C.sub.14 aralkyl group, C.sub.6 -C.sub.12 aryl group, glycyl group or glycyl-glycyl group, R.sup.3 represents hydrogen, C.sub.1 -C.sub.6 alkyl group or amino-protecting group, R.sup.1 and R.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: February 28, 1978
    Assignee: Shionogi & Co., Ltd.
    Inventors: Kentaro Hirai, Teruyuki Ishiba, Kazuyuki Sasakura, Hirohiko Sugimoto