Patents by Inventor Glen W. Spears

Glen W. Spears 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).

  • Amide compounds
    Publication number: 20040266774
    Abstract: The present invention is a compound and pharmaceutical composition comprising a compound of formula (I): 1
    Type: Application
    Filed: June 14, 2004
    Publication date: December 30, 2004
    Applicant: FUJISAWA PHARMACEUTICAL CO., LTD.
    Inventors: Kiyotaka Ito, Glen W. Spears, Fumie Takahashi, Akira Yamada, Masaki Tomishima, Hiroshi Miyake
  • Amide compounds
    Patent number: 6770667
    Abstract: The present invention is a compound and pharmaceutical composition comprising a compound of formula (I): wherein R1 is a 4-(lower) alkyl-imidazol-1-yl or a 4,5-di(lower) alkyl-imidazol-1-yl group, R2 is a hydrogen atom or a lower alkyl group, and R3 is a fluorenyl group. The compound of formula (I) includes pharmaceutically acceptable salts: The compound of formula (I) and salts thereof have 5-HT antagonism activity.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: August 3, 2004
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kiyotaka Ito, Glen W. Spears, Fumie Takahashi, Akira Yamada, Masaki Tomishima, Hiroshi Miyake
  • Heterotricyclic derivatives, process for their preparation and pharmaceutical compositions containing them
    Patent number: 5739130
    Abstract: Heterotricyclic derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, lower alkoxy, lower alkylthio, halogen, nitro, amino or protected amino,R.sup.2 is hydroxy, protected hydroxy, halogen, amino or protected amino,R.sup.3 is hydrogen or an organic group,R.sup.4 is hydrogen or lower alkyl,R.sup.8 is hydrogen or lower alkyl, and--Z-- is --O-- or a group of the formula: ##STR2## (in which n is 0, 1 or 2), and pharmaceutically acceptable salts thereof which are useful as a medicament.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: April 14, 1998
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masaaki Matsuo, Kiyoshi Tsuji, Katsuya Nakamura, Glen W. Spears
  • Heterotricyclic derivatives, process for their preparation and pharmaceutical compositions containing them
    Patent number: 5583135
    Abstract: wherein R.sup.1 is hydrogen, lower alkyl, lower alkoxy, lower alkylthio, halogen, nitro, amino or protected amino,R.sup.2 is hydroxy, protected hydroxy, halogen, amino or protected amino,R.sup.3 is hydrogen or an organic group,R.sup.4 R is hydrogen or lower alkyl,R.sup.8 is hydrogen or lower alkyl, and--Z-- is --O-- or a group of the formula: ##STR2## (in which n is 0, 1 or 2), and pharmaceutically acceptable salts thereof which are useful as a medicament.
    Type: Grant
    Filed: July 26, 1994
    Date of Patent: December 10, 1996
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masaaki Matsuo, Kiyoshi Tsuji, Katsuya Nakamura, Glen W. Spears