Patents by Inventor Samuel Schalit

Samuel Schalit 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).

  • 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
  • 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