Patents by Inventor Manami Morozumi

Manami Morozumi 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).

  • Stable solid 2-octynyl adenosine and process for producing the same
    Patent number: 5939543
    Abstract: The present invention provides two kinds of solid 2-octynyl adenosine products with novel properties which are stabilized with respect to temperature or temperature and humidity, one being solid 2-octynyl adenosine having a moisture content of not more than 3%, and the other being solid 2-octynyl adenosine deposited from an anhydrous alcoholic solution or hydrous alcoholic solution of 2-octynyl adenosine, said hydrous alcoholic solution having a water content of less than 1%.
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: August 17, 1999
    Assignee: Yamasa Shoyu Kabushiki Kaisha
    Inventors: Manami Morozumi, Masao Kumagai, Toyofumi Yamaguchi
  • Process for producing 1-.beta.-D-arabinofuranosylcytosine-5'-stearylphosphate monosodium salt and monohydrate thereof
    Patent number: 5049663
    Abstract: Disclosed herein are a novel process for producing 1-.beta.-D-arabinofuranosylcytosine-5'-stearylphosphate monosodium salt, which has been expected as an oral antitumor agent, and 1-.beta.-D-arabinofranosylcytosine-5'-stearylphosphate monosodium salt monohydrate obtained from the above-mentioned monosodium salt.
    Type: Grant
    Filed: August 25, 1989
    Date of Patent: September 17, 1991
    Assignees: Nippon Kayaku Kabushiki Kaisha, Yamasa Shoyu Kabushiki Kaisha
    Inventors: Takashi Terada, Minoru Aoki, Hiroshi Ohtaki, Manami Morozumi
  • Process for producing 1-.beta.-D-arabinofuranosylcytosine-5'-stearylphosphate monosodium salt and monohydrate thereof
    Patent number: 4812560
    Abstract: Disclosed herein are a novel process for producing 1-.beta.-D-arabinofuranosylcytosine-5'-stearylphosphate monosodium salt, which has been expected as an oral antitumor agent, and 1-.beta.-D-arabinofranosylcytosine-5'-stearylphosphate monosodium salt monohydrate obtained from the above-mentioned monosodium salt.
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: March 14, 1989
    Assignees: Yamasa Shoyu Kabushiki Kaisha, Nippon Kayaku Kabushiki Kaisha
    Inventors: Takashi Terada, Minoru Aoki, Hiroshi Ohtaki, Manami Morozumi, Mitsuharu Shiozaki
  • Nucleoside 5'-alkyl- or alkenylphosphate
    Patent number: 4668778
    Abstract: Nucleoside 5'-alkyl- or alkenyl phosphate compounds represented by the following formula [I] ##STR1## wherein B is a purine base having a substituent or a 5-substituted uracil base, and R.sup.1 is an alkyl or alkenyl group having 14 to 26 carbon atoms, and pharmaceutically acceptable salts thereof are novel derivatives of arabinonucleosides which can have properties suitable for clinical application as antiviral agents, particularly for treating viral hepatitis.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: May 26, 1987
    Assignee: Yamasa Shoyu Kabushiki Kaisha
    Inventors: Manami Morozumi, Shinji Sakata
  • 1-.beta.-D-Arabinofuranosylcytosine-5'-oleyl phosphate and salts thereof
    Patent number: 4239905
    Abstract: A new composition of matter, 1-.beta.-D-arabinofuranosylcytosine-5'-oleyl phosphate, represented by the structural formula ##STR1## and its pharmaceutically-acceptable salts exhibit antitumor properties and are especially useful for oral administration thereof.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: December 16, 1980
    Assignees: Yamasa Shoyu Kabushiki Kaisha, Mineo Saneyoshi
    Inventors: Kenjiro Kodama, Manami Morozumi