Patents by Inventor Nobuko Asai

Nobuko Asai 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).

  • Antiallergy and antiinflammatory benzoxazolinones
    Patent number: 5086062
    Abstract: This invention relates to certain benzoxazolinones which inhibit lipoxygenase and/or cyclooxygenase enzymes. Such compounds are useful in inhibiting such enzymes, per se, and are useful in treating allergic and inflammatory conditions in a mammal. This invention also relates to methods of inhibiting lipoxygenase and/or cyclooxygenase in a mammal with such benzoxazolinones; methods of treating an allergic condition in a mammal with such compounds; methods of treating an inflammatory condition in a mammal with such compounds; and pharmaceutical compositions comprising the benzoxazolinones hereof.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: February 4, 1992
    Assignee: Pfizer Inc.
    Inventors: Kazuo Ando, Nobuko Asai, Fumitaka Ito, Takashi Mano, Masami Nakane, Kunio Satake, Kaoru Shimada
  • Antiallergy and antiinflammatory agents, compositions and use
    Patent number: 5036088
    Abstract: Compounds of the formula ##STR1## where Y is alkyl, aryl or heterocyclic, n is 1-7, R is hydrogen, alkyl, aralkyl or carboxymethyl, R.sub.1 is acetoxy, thiophenoxy, hydrogen, halo, alkyl, alkoxy or trifluoromethyl, R.sub.2 is hydrogen, alkyl or alkanoyl and X is C.dbd.O, CH.sub.2, NH, O or S as antiallergy and antiinflammatory agents.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: July 30, 1991
    Assignee: Pfizer Inc.
    Inventors: Yoshihiko Kitaura, Fumitaka Ito, Rodney W. Stevens, Nobuko Asai
  • Antiallergy and antiinflammatory agents
    Patent number: 5006541
    Abstract: Compounds of the formula ##STR1## where Y is alkyl, aryl or heterocyclic, n is 1-7, R is hydrogen, alkyl, aralkyl or carboxymethyl, R.sub.1 is acetoxy, thiophenoxy, hydrogen, halo, alkyl, alkoxy or trifluoromethyl, R.sub.2 is hydrogen, alkyl or alkanoyl and X is C.dbd.O, CH.sub.2, NH, O or S as antiallergy and antiinflammatory agents.
    Type: Grant
    Filed: October 25, 1989
    Date of Patent: April 9, 1991
    Assignee: Pfizer Inc.
    Inventors: Yoshihiko Kitaura, Fumitaka Ito, Rodney W. Stevens, Nobuko Asai
  • Antiallergy and antiinflammatory agents
    Patent number: 4904685
    Abstract: Compounds of the formula ##STR1## where Y is alkyl, aryl or heterocyclic, n is 1-7, R is hydrogen, alkyl, aralkyl or carboxymethyl, R.sub.1 is acetoxy, thiophenoxy, hydrogen, halo, alkyl, alkoxy or trifluoromethyl, R.sub.2 is hydrogen, alkyl or alkanoyl and X is C.dbd.O, CH.sub.2, NH, O or S as antiallergy and antiinflammatory agents.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: February 27, 1990
    Assignee: Pfizer Inc.
    Inventors: Yoshihiko Kitaura, Fumitaka Ito, Rodney W. Stevens, Nobuko Asai
  • Antiallergy and antiinflammatory agents
    Patent number: 4835166
    Abstract: Compounds of the formula ##STR1## where Y is alkyl, aryl or heterocyclic, n is 1-7, R is hydrogen, alkyl, aralkyl or carboxymethyl, R.sub.1 is acetoxy, thiophenoxy, hydrogen, halo, alkyl, alkoxy or trifluoromethyl, R.sub.2 is hydrogen, alkyl or alkanoyl and X is C.dbd.O, CH.sub.2, NH, O or S as antiallergy and antiinflammatory agents.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: May 30, 1989
    Assignee: Pfizer Inc.
    Inventors: Yoshihiko Kitaura, Fumitaka Ito, Rodney W. Stevens, Nobuko Asai