Patents by Inventor Nanami Murakami

Nanami Murakami 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).

  • 3,4-Dihydrocarbostyril derivatives
    Patent number: 4329468
    Abstract: Novel compounds represented by the formula ##STR1## wherein R.sup.1, R.sup.2, R' and R" are defined as hereinafter, having a blocking activity on .beta.-adrenergic nerves, novel intermediates useful for synthesis thereof and processes for preparing the same are disclosed. When substitution is at the 5-position and R.sup.1 and R.sup.2 are hydrogen, R' and R" are not simultaneously hydrogen and a 1 to 4 carbon atom alkyl group in the claimed compound.
    Type: Grant
    Filed: June 24, 1980
    Date of Patent: May 11, 1982
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kazuyuki Nakagawa, Nanami Murakami, Shiro Yoshizaki, Hideo Mori, Michiaki Tominaga
  • 3,4-Dihydrocarbostyril derivatives and process for producing the same
    Patent number: 4256890
    Abstract: Novel compounds represented by the formula ##STR1## wherein R.sup.1, R.sup.2, and R' and R" are defined as hereinafter, having a blocking activity on .beta.-adrenergic nerves, novel intermediates useful for synthesis thereof and processes for preparing the same are disclosed. When substitution is at the 5-position and R.sup.1 and R.sup.2 are hydrogen, R' and R" are not simultaneously hydrogen and a 1 to 4 carbon atom alkyl group in the claimed compound.
    Type: Grant
    Filed: March 14, 1978
    Date of Patent: March 17, 1981
    Assignee: OtsukaPharmaceutical Co., Ltd.
    Inventors: Kazuyuki Nakagawa, Nanami Murakami, Shiro Yoshizaki, Hideo Mori, Michiaki Tominaga
  • Glycerol derivatives of quinoline carbostyryl and isocarbo styryl
    Patent number: 4065456
    Abstract: A glycerol derivative represented by the formula (I) ##STR1## wherein A is hereinafter defined, including the optically active isomers per se and mixtures of the optically active isomers, which are useful as a central nervous system depressant, an intermediate for the preparation of .beta.-adrenergic blocking agents, an inhibitor of blood platelet aggregation or a choleretic agent, and a process for preparing the above glycerol derivative.
    Type: Grant
    Filed: October 24, 1974
    Date of Patent: December 27, 1977
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kazuyuki Nakagawa, Nanami Murakami, Hideo Mori, Kaoru Tanimura
  • Carbostyril derivatives and process for preparing the same
    Patent number: 3953456
    Abstract: 2-Hydroxy-3-alkylaminopropoxycarbostyrils represented by the formula (I) ##SPC1##wherein R represents a straight or branched chain alkyl group having 1 to 4 carbon atoms useful as .beta.-adrenergic blocking agents and a process for preparing the same are disclosed.
    Type: Grant
    Filed: December 14, 1973
    Date of Patent: April 27, 1976
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kazuyuki Nakagawa, Shiro Yoshizaki, Nanami Murakami, Hideo Mori