Patents by Inventor Frederick E. Durr

Frederick E. Durr 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).

  • Novel 1,4-bis(substituted-amino(-5,8-dihydroxyanthraquinones and leuco bases thereof
    Patent number: 4888137
    Abstract: This disclosure describes symmetrical 1,4-bis(substituted-amino)-5,8-dihydroxyanthraquinones useful as chelating agents and for inducing regression and/or palliation of cancer diseases in mammals.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: December 19, 1989
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • 1,4-bis(substituted-amino)-5,8-dihydroxy-anthraquinones and leuco bases thereof
    Patent number: 4820738
    Abstract: This disclosure describes symmetrical 1,4-bis(substituted-amino)-5,8-dihydroxyanthraquinones useful as chelating agents and for inducing regression and/or palliation of cancer diseases in mammals.
    Type: Grant
    Filed: January 28, 1986
    Date of Patent: April 11, 1989
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • Method of treating transplanted tumors and modulating the immune response
    Patent number: 4696935
    Abstract: This disclosure describes compositions of matter useful for inducing the regression of transplanted tumors in warm-blooded animals and for enhancing the immune system, and the method of treatment of transplanted tumors and enhancing the immune response in mammals therewith, the active ingredients of said compositions of matter being 3,6-bis[2-(1-piperidino)ethoxy]acridine or the pharmacologically acceptable acid-addition salts thereof.
    Type: Grant
    Filed: October 27, 1981
    Date of Patent: September 29, 1987
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Martin R. Damiani, Frederick E. Durr
  • 1,4-bis(substituted-amino)-5,8-dihydroxy anthraquinones and leuco bases thereof
    Patent number: 4614618
    Abstract: This disclosure describes symmetrical 1,4-bis(substituted-amino)-5,8-dihydroxyanthraquinones useful as chelating agents and for inducing regression and/or palliation of cancer diseases in mammals.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: September 30, 1986
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • Method of treating tumors in warm-blooded animals
    Patent number: 4540583
    Abstract: This disclosure describes novel compositions of matter useful as growth inhibitors of transplanted tumors in mammals and the method of inducing the regression and/or palliation of leukemia and solid tumors in mammals therewith, the active ingredients of said compositions of matter being certain symmetrical 1,4-bis(substituted-amino)anthraquinones and the non-toxic acid-addition salts thereof.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: September 10, 1985
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • 1,4-Bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof
    Patent number: 4540519
    Abstract: This disclosure describes symmetrical 1,4-bis-(substituted-amino)-5,8-hydroxyanthraquinones useful as chelating agents and for inducing regression and/or palliation of cancer diseases in mammals.
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: September 10, 1985
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • 1,4-Bis (substituted-amino)-5,8-dihydroxy-anthraquinones and leuco bases thereof
    Patent number: 4526989
    Abstract: This disclosure describes symmetrical 1,4-bis (substituted-amino)-5,8-dihydroxyanthraquinones useful as chelating agents and for inhibiting the growth of transplanted mouse tumors.
    Type: Grant
    Filed: October 23, 1979
    Date of Patent: July 2, 1985
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • 1,4-Bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof
    Patent number: 4456552
    Abstract: This disclosure describes symmetrical 1,4-bis(substituted-amino)-5,8-dihydroxyanthraquinones useful as chelating agents and for inhibiting the growth of transplanted mouse tumors.
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: June 26, 1984
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • 1,4-Bis(substituted-amino)-5,8-dihydroxy-anthraquinones and leuco bases thereof
    Patent number: 4430501
    Abstract: This disclosure describes symmetrical 1,4-bis(substituted-amino)-5,8-dihydroxyanthraquinones useful as chelating agents and for inhibiting the growth of transplanted mouse tumors.
    Type: Grant
    Filed: November 2, 1981
    Date of Patent: February 7, 1984
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • Certain 3,6-bis-(heteroaminoalkoxy) acridines
    Patent number: 4314061
    Abstract: This disclosure describes compositions of matter useful for inducing the regression of tumors in warm-blooded animals and for enhancing the immune system, and the method of treatment of tumors and enhancing the immune response in mammals therewith, the active ingredients of said compositions of matter being certain 3,6-bis(aminoalkoxy)acridines or the pharmacologically acceptable acid-addition salts thereof.
    Type: Grant
    Filed: September 2, 1980
    Date of Patent: February 2, 1982
    Inventors: Keith C. Murdock, Martin R. Damiani, Frederick E. Durr
  • 1,4-Bis(substituted-amino)-5,8-dihydroxy-anthraquinones and leuco bases thereof
    Patent number: 4278689
    Abstract: This disclosure describes symmetrical 1,4-bis(substituted-amino)-5,8-dihydroxyanthraquinones useful as chelating agents and for inhibiting the growth of transplanted mouse tumors.
    Type: Grant
    Filed: August 2, 1979
    Date of Patent: July 14, 1981
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • Substituted 9,10-anthracenebishydrazones
    Patent number: 4258181
    Abstract: This disclosure describes anthracene-9,10-bis-carbonyl-hydrazones and derivatives thereof useful as antibacterial agents, for inhibiting the growth of transplanted mouse tumors, and for inducing the regression and/or palliation of leukemia and related cancers.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: March 24, 1981
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • Method of stimulating the immune response with halogenated 10-(.omega.-dialkylaminopolymethyleneamino)-2-methoxypyrido[3,2-b]quinol ines
    Patent number: 4226869
    Abstract: A method of stimulating the immune response in warm-blooded animals which comprises the administration of a halogenated 10-(.omega.-dialkylaminopolymethyleneamino)-2-methoxypyrido [3,2-b]quinoline.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: October 7, 1980
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr, Martin R. Damiani, Patrick T. Izzo
  • 1,4-Bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof
    Patent number: 4197249
    Abstract: This disclosure describes symmetrical 1,4-bis(substituted-amino)-5,8-dihydroxyanthraquinones useful as chelating agents and for inhibiting the growth of transplanted mouse tumors.
    Type: Grant
    Filed: July 11, 1978
    Date of Patent: April 8, 1980
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • Method of stimulating leukemic immune response
    Patent number: 4132797
    Abstract: Various acylaminotetramisoles have been shown to be effective leukemic immunostimulant agents.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: January 2, 1979
    Assignee: American Cyanamid Company
    Inventors: Frederick E. Durr, Martin R. Damiani