Patents Assigned to Nippon Chemiphar Company, Limited
  • 5-Phenethyl-2-oxazolidone derivatives and a process for producing the same
    Patent number: 4236012
    Abstract: 5-Phenethyl oxazolidone compounds having the formula: ##STR1## wherein R represents a hydrogen or halogen atom or a lower alkoxy group have muscular relaxing, analgetic and antiinflammatory activities.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: November 25, 1980
    Assignee: Nippon Chemiphar Company, Limited
    Inventors: Yasuo Fujimoto, Terumi Tamada
  • Benzo[b,f]thiepan derivitives
    Patent number: 4228284
    Abstract: 9-(.beta.-hydroxyethyl) piperazinyl-carbonyl-2-trifluoromethyl-10, 11-dihydrodibenzo[b,f]thiepin is prepared and disclosed as having antiinflamatory action.
    Type: Grant
    Filed: February 7, 1979
    Date of Patent: October 14, 1980
    Assignee: Nippon Chemiphar Company, Limited
    Inventors: Shigeru Yamabe, Yasuo Fujimoto, Shoji Ryu, Yoshio Suzuki, Yoshihiro Tanaka, Toru Yamanaka, Kiyosato Nyu
  • Penicillin derivatives
    Patent number: 4219477
    Abstract: Penicillin and cephalosporin derivatives and non-toxic salts thereof represented by the formula (1), ##STR1## wherein Ar represents a phenyl or heterocyclic group which may be substituted by a halogen atom, or a hydroxy or lower alkoxy group, R represents a hydrogen atom or a hydroxy group, X represents CH or N, ##STR2## 1 and n are integers of 0 or 1 wherein the sum equal to 1 and n is 0 or 1, and m is an integer equal to 1 or 2 are useful antibiotics.
    Type: Grant
    Filed: December 5, 1978
    Date of Patent: August 26, 1980
    Assignee: Nippon Chemiphar Company Limited
    Inventors: Yasuo Fujimoto, Yasuo Kishi
  • Propionic acid derivatives
    Patent number: 4205170
    Abstract: Propionic acid derivatives having the formula ##STR1## wherein X represents an oxygen or two hydrogen atoms, Y represents CH or N, A represents an oxygen or sulfur atom, and R represents hydroxy, amino, or a lower alkoxy group having 1 to 5 carbon atoms are antiinflammatory agents.
    Type: Grant
    Filed: November 28, 1977
    Date of Patent: May 27, 1980
    Assignee: Nippon Chemiphar Company, Limited
    Inventors: Yasuo Fujimoto, Shigeru Yamabe