Patents by Inventor James Francis Callahan

James Francis Callahan 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).

  • Patent number: 6107309
    Abstract: The present invention relates to novel compounds which have hemoregulatory activities and can be used to stimulate hematopoiesis and for the treatment of viral, fungal and bacterial infectious diseases.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: August 22, 2000
    Assignees: SmithKline Beecham Corporation, Nycomed Austria GmbH
    Inventors: Pradip Kumar Bhatnagar, Dirk Andries Heerding, James Francis Callahan, Johann Hiebl, Michael Hartmann, Peter Kremminger, Franz Rovenszky
  • Patent number: 6028087
    Abstract: Compounds of the formula (I):W--Z--(CR'R.sup.10).sub.r --U--(CR'.sub.2).sub.s --V--A (I)wherein:A is ##STR1## W is .sup.N ; Z is (CH.sub.2).sub.1-2 ;U and V independently are present as CO, CR'.sub.2, C(.dbd.CR'.sub.2), S(O).sub.r, O, NR', CR'OR', CR'(OR")CR'.sub.2, CR'.sub.2 CR'(OR"), C(O)CR'.sub.2, CR'.sub.2 C(O), CONR', NR'CO, OC(O), C(O)O, C(S)O, OC(S), C(S)NR', NR'C(S), S(O).sub.r NR', NR'S(O).sub.r, N.dbd.N, NR'NR', NR'CR'.sub.2, NR'CR'.sub.2, CR'.sub.2 O, OCR'.sub.2, C.tbd.C, CR'.dbd.CR', or CR'(NR'R")C(O);each r independently is 0 to 3;s is 0 to 2;each R' independently is H, C.sub.1-4 alkyl, C.sub.3-7 cycloalky-C.sub.0-4 alkyl, or Ar-C.sub.0-4 alkyl;each R" independently is R', --C(O)R', or --C(O)OR.sup.15 ;R.sup.10 is H, C.sub.1-4 alkyl, or --NR'R';each R.sup.15 independently is C.sub.1-4 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-4 alkyl, or Ar-C.sub.0-4 alkyl;R.sup.2 is present once or twice as C.sub.1-4 alkyl, J--CO.sub.2 R', CONR', SR', NR'R", C .sub.1-4 alkoxy, hydroxy, CN, CF.sub.
    Type: Grant
    Filed: January 21, 1998
    Date of Patent: February 22, 2000
    Assignee: SmithKline Beecham Corporation
    Inventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Brian Walter Metcalf, James Samanen, Tobias Oregon Yellin
  • Patent number: 5939412
    Abstract: Compounds of the formula: ##STR1## wherein A.sup.1 to A.sup.5 form a seven-membered ring containing one optionally substituted nitrogen atom;D.sup.1 to D.sup.4 form a substituted six membered ring, optionally containing up to two nitrogen atoms;R is preferably at least one acid containing substituent;R* is is one or more groups chosen from H, Q-C.sub.1-6 alkyl, Q-C.sub.1-6 oxoalkyl, Q-C.sub.2-6 alkenyl, Q-C.sub.3-4 oxoalkenyl, Q-C.sub.3-4 oxoalkynyl, Q-C.sub.2-4 alkynyl, C.sub.3-6 cycloalkyl, Ar or Het;Q is H, C.sub.3-6 cycloalkyl, Het or Ar;R.sup.6 is preferably a basic nitrogen containing substituent; are inhibitors of platelet aggregation.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: August 17, 1999
    Assignee: SmithKline Beecham Corporation
    Inventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Thomas Wen-Fu Ku, Kenneth Allen Newlander
  • Patent number: 5726192
    Abstract: This invention relates to compounds of the formula:W--Z--(CR'R.sup.10).sub.r --U--(CR'.sub.2).sub.s --V--Awherein: ##STR1## A is W is R'R"N--;Z is Het;U and V independently are absent or present as CO, CR'.sub.2, C(.dbd.CR'.sub.2), S(O).sub.r, O, NR', CR'OR', CR'(OR")CR'.sub.2, CR'.sub.2 CR'(OR"), C(O)CR'.sub.2, CR'.sub.2 C(O), CONR', NR'CO, OC(O), C(O)O, C(S)O, OC(S), C(S)NR', NR'C(S), S(O).sub.r NR', NR'S(O).sub.r, N.dbd.N, NR'NR', NR'CR'.sub.2, NR'CR'.sub.2, CR'.sub.2 O, OCR'.sub.2, .sup.c.tbd.c, CR'.dbd.CR', or CR'(NR'R")C(O);each r independently is 0 to 3;s is 0 to 2;each R' independently is H, C.sub.1-4 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-4 alkyl, or Ar--C.sub.0-4 alkyl;each R" independently is R', --C(O)R', or --C(O)OR.sup.15 ;R.sup.10 is as H, C.sub.1-4 alkyl, or --NR'R';each R.sup.15 independently is C.sub.1-4 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-4 alkyl, or AR--C.sub.0-4 alkyl;R.sup.2 is present once or twice as C.sub.1-4 alkyl, J--CO.sub.2 R', CONR', SR', NR'R", C.sub.1-4 alkoxy, hydroxy, CN, CF.
    Type: Grant
    Filed: August 8, 1995
    Date of Patent: March 10, 1998
    Assignee: SmithKline Beecham Corporation
    Inventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Brian Walter Metcalf, James Samanen, Tobias Oregon Yellin
  • Patent number: 5693636
    Abstract: This invention relates to compounds of the formula: ##STR1## wherein A.sup.1 to A.sup.5 form an accessible substituted seven-membered ring, which may be saturated or unsaturated, optionally containing up to two heteroatoms chosen from the group of O, S and N wherein S and N may be optionally oxidized;D.sup.1 to D.sup.4 form an accessible substituted six membered ring, optionally containing up to two nitrogen atoms;R is at least one substituent chosen from the group of R.sup.7, or Q--C.sub.1-4 alkyl, Q--C.sub.2-4 alkenyl, Q--C.sub.2-4 alkynyl, preferably substituted by an acidic function;R* is H, Q--C.sub.1-6 alkyl, Q--C.sub.1-6 oxoalkyl, Q--C.sub.2-6 alkenyl or Q--C.sub.2-4 alkynyl, C.sub.3-6 cycloalkyl, Ar or Het, optionally substituted by one or more substitutents; andR.sup.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: December 2, 1997
    Assignee: SmithKline Beecham Corporation
    Inventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Thomas Wen-Fu Ku, Kenneth Allen Newlander