Patents by Inventor Royal A. Cutler

Royal A. Cutler 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).

  • Bridged-bis-hydroxyamide dicarbanilates
    Patent number: 4140860
    Abstract: N,N'-Bridged-bis[(O and/or N-substituted)-2-alkyl-2-hydroxyethylamines] of the formula ##STR1## are prepared by condensing an epoxide of the formula ##STR2## and a diamine of the formula R'NH--X--NHR'. The products and dicarbanilates, acid-addition salts, N,N'-dioxides and N,N'-diammonium quaternary salts derived therefrom have antibacterial activity in vitro and are useful as antibacterial agents.
    Type: Grant
    Filed: June 16, 1978
    Date of Patent: February 20, 1979
    Assignee: Sterling Drug Inc.
    Inventors: Guy D. Diana, Royal A. Cutler
  • N,N'-Bridged-bis[N,N'substituted-2-hydroxy alkaneammonium] salts
    Patent number: 4119668
    Abstract: N,N'-Bridged-bis[(O and/or N-substituted)-2-alkyl-2-hydroxyethylamines] of the formula ##STR1## are prepared by condensing an epoxide of the formula ##STR2## and a diamine of the formula R'NH-X-NHR'. The products and dicarbanilates, acid-addition salts, N,N'-dioxides and N,N'-diammonium quaternary salts derived therefrom have antibacterial activity in vitro and are useful as antibacterial agents.
    Type: Grant
    Filed: September 15, 1977
    Date of Patent: October 10, 1978
    Assignee: Sterling Drug Inc.
    Inventors: Guy D. Diana, Royal A. Cutler
  • N,N'-Bridged-bis(2-alkyl-2-hydroxyethylamine) dioxides
    Patent number: 4085144
    Abstract: N,N'-Bridged-bis[(O and/or N-substituted)-2-alkyl-2-hydroxyethylamines] of the formula ##STR1## are prepared by condensing an epoxide of the formula ##STR2## and a diamine of the formula R'NH--X--NHR'. The products and dicarbanilates, acid-addition salts, N,N'-dioxides and N,N'-diammonium quaternary salts derived therefrom have antibacterial activity in vitro and are useful as antibacterial agents.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: April 18, 1978
    Assignee: Sterling Drug Inc.
    Inventors: Guy D. Diana, Royal A. Cutler
  • Amidinoureas and amidinothioureas
    Patent number: 4045483
    Abstract: Antibacterial and antifungal mono- and disubstituted amidinoureas and amidinothioureas are obtained by interaction of guanidines and isocyanates or isothiocyanates.
    Type: Grant
    Filed: June 10, 1976
    Date of Patent: August 30, 1977
    Assignee: Sterling Drug Inc.
    Inventors: Royal A. Cutler, Samuel Schalit
  • N,N'-bridged-bis[2-alkyl-2-hydroxyethylamines]
    Patent number: 4022833
    Abstract: N,N'-Bridged-bis[(O and/or N-substituted)-2-alkyl-2-hydroxyethylamines] of the formula ##STR1## are prepared by condensing an epoxide of the formula ##STR2## and a diamine of the formula R'NH-X-NHR'. The products and dicarbanilates, acid-addition salts, N,N'-dioxides and N,N'-diammonium quaternary salts derived therefrom have antibacterial activity in vitro and are useful as antibacterial agents.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: May 10, 1977
    Assignee: Sterling Drug Inc.
    Inventors: Guy D. Diana, Royal A. Cutler
  • Amidinoureas and amidinothioureas
    Patent number: 4009163
    Abstract: Antibacterial and antifungal mono- and disubstituted amidinoureas and amidinothioureas are obtained by interaction of quanidines and isocyanates or isothiocyanates.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: February 22, 1977
    Assignee: Sterling Drug Inc.
    Inventors: Royal A. Cutler, Samuel Schalit
  • Amidinoureas
    Patent number: 3988370
    Abstract: Antibacterial and antifungal mono- and disubstituted amidinoureas and amidinothioureas are obtained by interaction of guanidines and isocyanates or isothiocyanates.
    Type: Grant
    Filed: August 24, 1973
    Date of Patent: October 26, 1976
    Assignee: Sterling Drug Inc.
    Inventors: Royal A. Cutler, Samuel Schalit