Patents by Inventor Thomas L. Fields

Thomas L. Fields 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).

  • Antitumor amino acid and peptide derivatives of 1,4-bis(aminoalkyl and hydroxy-aminoalkyl)amino)-5,8-dihydroxyanthraquinones
    Patent number: 4732970
    Abstract: Antitumor amino acid and peptide derivatives of 1,4-bis[(aminoalkyl and hydroxyaminoalkyl)amino]-5,8-dihydroxyanthraquinones.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: March 22, 1988
    Assignee: American Cyanamid Company
    Inventors: Thomas L. Fields, Keith C. Murdock, Martin L. Sassiver, Janis Upeslacis
  • 3,6-bis (substituted) acridine N-oxides and N,N-dioxides and methods of restoring, stimulating or enhancing the immune system with them
    Patent number: 4696936
    Abstract: This invention concerns novel 3,6-bis(substituted) acridine N-oxides and N,N-dioxides which are active as modulators of the immune system in warm-blooded animals.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: September 29, 1987
    Assignee: American Cyanamid Company
    Inventors: Ralph G. Child, Thomas L. Fields, Raymond G. Wilkinson, Yang-I Lin
  • 2-Amino-4'(phenylsulfonyl) acetanilides
    Patent number: 4532349
    Abstract: A method of modulating the immune response system in a warm-blooded animal by the administration of N-substituted-phenylthioanilines, N-substituted-phenylsulfinylanilines, and N-substituted-phenylsulfonylanilines, certain of which are new compounds.
    Type: Grant
    Filed: June 3, 1983
    Date of Patent: July 30, 1985
    Assignee: American Cyanamid Company
    Inventors: Stanley A. Lang, Jr., Thomas L. Fields, Raymond G. Wilkinson, Soon M. Kang, Yang-I Lin
  • Cycloalkylcarboxyamidines and halobenzamidines as anti-amebic agents
    Patent number: 4141992
    Abstract: 2,6 Anthraquinonylene cycloalkylcarboxamidines and halobenzamidines that are effective against cecal and hepatic amebic infestations in warm-blooded animals, methods of treatment therewith and therapeutic compositions thereof.
    Type: Grant
    Filed: July 13, 1977
    Date of Patent: February 27, 1979
    Assignee: American Cyanamid Company
    Inventors: Stanley A. Lang, Jr., Yang-I Lin, Thomas L. Fields, Paul F. Fabio, Keith C. Murdock
  • 2,6-Bis(1-morpholinoalkylideneamino)anthraquinones as anti-amebic agents
    Patent number: 4131676
    Abstract: 2,6-bis(-morpholinoalkylideneamino)anthraquinones that are effective against cecal and hepatic amebic infestations in warm-blooded animals are disclosed.
    Type: Grant
    Filed: February 6, 1978
    Date of Patent: December 26, 1978
    Assignee: American Cyanamid Company
    Inventors: Stanley A. Lang, Jr., Paul F. Fabio, Yang-I Lin, Keith C Murdock, Thomas L. Fields