Patents by Inventor Michael L. Edwards

Michael L. Edwards 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: 5616702
    Abstract: This invention relates to certain novel 2'-halomethylidene, 2'-ethenylidene and 2'-ethynyl cytidine, uridine and guanosine derivatives, and compositions thereof, which are useful in the treatment of patients afflicted with neoplastic or viral disease states.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: April 1, 1997
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: Michael L. Edwards, Donald P. Matthews, James R. McCarthy
  • Patent number: 5607925
    Abstract: This invention relates to certain novel 2'-halomethylidene, 2'-ethenylidene and 2'-ethynyl cytidine, uridine and guanosine derivatives, and compositions thereof, which are useful in the treatment of patients afflicted with neoplastic or viral disease states.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: March 4, 1997
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: Donald P. Matthews, Alan J. Bitonti, Michael L. Edwards, James R. McCarthy
  • Patent number: 5608095
    Abstract: This invention relates to compounds of the formula ##STR1## wherein R.sub.1 and R.sub.6 are each independently C.sub.1 -C.sub.6 alkyl;R.sub.2, R.sub.3 and R.sub.4 are each independently hydrogen or C.sub.1 -C.sub.6 alkyl;R is hydrogen or --C(O)--(CH.sub.2).sub.m --Q wherein Q is hydrogen or --COOH and m is an integer 1, 2, 3 or 4;Z is a thio, oxy or methylene group;A is a C.sub.1 -C.sub.4 alkylene group;R.sub.5 and R.sub.7 are each independently a C.sub.1 -C.sub.6 alkyl or --(CH.sub.2).sub.n --(Ar) wherein n is an integer 0, 1, 2 or 3; and Ar is phenyl or naphthyl unsubstituted or substituted with one to three substituents selected from the group consisting of hydroxy, methoxy, ethoxy, halogen, trifluoromethyl, C.sub.1 -C.sub.6 alkyl, or --NR.sub.8 R.sub.9, wherein R.sub.8 and R.sub.9 are each independently hydrogen or C.sub.1 -C.sub.6 alkyl; with the proviso that when R.sub.2 and at least one of R.sub.5 or R.sub.7 is C.sub.1 -C.sub.6 alkyl, and Ar is not substituted with trifluoromethyl or --NR.sub.8 R.sub.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: March 4, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Roger A. Parker, Michael L. Edwards, Mark J. Vaal, James E. Matt, Jr., Kim S. Chen, Mark T. Yates, Paul S. Wright, Steven J. Busch
  • Patent number: 5500429
    Abstract: This invention relates to 1-aryl-3-pyridinyl-2-propene-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing these compounds as active ingredients, and the process of their preparation.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: March 19, 1996
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: Robert J. Dinerstein, Michael L. Edwards, David M. Stemerick, Keith A. Diekema
  • Patent number: 5434145
    Abstract: The present invention relates to certain polyamine thiols which are useful as radioprotective agents.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: July 18, 1995
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Michael L. Edwards, Ronald D. Snyder
  • Patent number: 5378693
    Abstract: This invention relates to certain novel 2'-halomethylidene, 2'-ethenylidene and 2'-ethynyl cytidine, uridine and guanosine derivatives, and compositions thereof, which are useful in the treatment of patients afflicted with neoplastic or viral disease states.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: January 3, 1995
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: James R. McCarthy, Michael L. Edwards, Donald P. Matthews
  • Patent number: 5354782
    Abstract: The present invention relates to certain polyamine phenols which are useful as radioprotective agents.
    Type: Grant
    Filed: August 30, 1993
    Date of Patent: October 11, 1994
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Michael L. Edwards, Ronald D. Snyder
  • Patent number: 5217964
    Abstract: The present invention relates to certain polyamine thiols which are useful as radioprotective agents.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: June 8, 1993
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Michael L. Edwards, Ronald D. Snyder
  • Patent number: 5157166
    Abstract: This invention relates to a process for making di-fluoro analogs of squalene.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: October 20, 1992
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Esa T. Jarvi, Michael L. Edwards, James R. McCarthy
  • Patent number: 5109024
    Abstract: The present invention relates to certain novel polyamine compounds of the formula: ##STR1## wherein Z is a saturated (C.sub.2 -C.sub.6) alkylene moiety, each R group independently is hydrogen, methyl, ethyl, or n-propyl with the provisos that both R groups cannot be hydrogen and that R is hydrogen or methyl when Z is a branched chain alkylene; or a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: April 28, 1992
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Nellikunja Prakash, David M. Stemerick, Michael L. Edwards, Terry L. Bowlin
  • Patent number: 5064864
    Abstract: This invention relates to certain novel di- and tetra-fluoro analogs of squalene and to their methods of use in lowering plasma cholesterol and in inhibiting squalene epoxidase in patients in need thereof.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: November 12, 1991
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Esa T. Jarvi, Michael L. Edwards, James R. McCarthy
  • Patent number: 5011859
    Abstract: This invention relates to certain novel di- and tetra-fluoro analogs of squalene and to their methods of use in lowering plasma cholesterol and in inhibiting squalene epoxidase in patients in need thereof.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: April 30, 1991
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Esa T. Jarvi, Michael L. Edwards, James R. McCarthy
  • Patent number: 4996308
    Abstract: This invention relates to certain acetylenic, cyano and allenic aristeromycin/adenosine derivatives which are useful in inhibiting AdoMet-dependent transmethylation and in the treatment of patients afflicted with neoplastic or viral disease states.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: February 26, 1991
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Michael L. Edwards, James R. McCarthy, Nellikunja J. Prakash
  • Patent number: 4935449
    Abstract: The importance of polyamines in biological systems is discussed as well as the implications of polyamines in the treatment of various diseases. Novel N-substituted-2,3-butadienyl tri- and tetra-aminoalkanes are disclosed as well as their use inthe treatment of diseases and the pharmaceutical compositions.
    Type: Grant
    Filed: August 4, 1988
    Date of Patent: June 19, 1990
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Philippe Bey, David M. Stemerick, Michael L. Edwards, Alan J. Bitonti
  • Patent number: 4904697
    Abstract: Certain chalcone derivatives are reported to inhibit the polymerization of tubulin to form microtubules and are therefore antimitotic agents which can be used to control the growth of tumor tissue and can be used as antigout agents.
    Type: Grant
    Filed: April 9, 1987
    Date of Patent: February 27, 1990
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Sai P. Sunkara, Michael L. Edwards, David M. Stemerick
  • Patent number: 4863968
    Abstract: Certain chalcone derivatives are reported to inhibit the polymerization of tubulin to form microtubules and are therefore antimitotic agents which can be used as antigout agents. The chalcone derivatives are also reported to inhibit the destruction of the myelin sheath in the central nervous system of multiple sclerosis patients and are thus useful in controlling the progressive nature of the disease.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: September 5, 1989
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Michael L. Edwards, Sai P. Sunkara, David M. Stemerick
  • Patent number: 4753965
    Abstract: Certain chalcone derivatives are reported to inhibit the polymerization of tubulin to form microtubules and are therefore antimitotic agents which can be used to control the growth of tumor tissue and can be used as antigout agents.
    Type: Grant
    Filed: April 9, 1987
    Date of Patent: June 28, 1988
    Assignee: Merrell Dow Pharmaceuticals, Inc.
    Inventors: David M. Stemerick, Sai P. Sunkara, Michael L. Edwards
  • Patent number: 4400380
    Abstract: Compounds of the formula ##STR1## wherein R is H, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, 3,4-methylenedioxy, CF.sub.3, NO.sub.2, NH.sub.2, N(C.sub.1-4 alkyl).sub.2, CN, OH, --S(C.sub.1-4 alkyl) or --SO.sub.2 (C.sub.1-4 alkyl); R.sub.1 and R.sub.2 are independently each H or C.sub.1-4 alkyl or taken together with the attached N atom are morpholino, piperidino, pyrrolidino, piperazino, or N-- C.sub.1-4 -alkyl piperazino; and, when R is halo, C.sub.1-4 alkyl or C.sub.1-4 alkoxy, x is 0-3 and, otherwise, is 0 or 1;or a pharmaceutically acceptable salt thereof with an acid or for the compounds wherein R.sub.1 and R.sub.2 are both not H, a quaternary ammonium salt thereof with a C.sub.1-4 alkyl halidehave valuable antiviral activity, e.g., for treatment of infections caused by a herpes virus.
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: August 23, 1983
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Harry W. Ritter, Michael L. Edwards
  • Patent number: 4219648
    Abstract: This invention is directed to new 7-[[amino(1,3-dihydrobenzo[c]thien-5-yl)acetyl]amino]cephalosporin derivatives useful as antibiotics.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: August 26, 1980
    Assignee: Richardson-Merrell Inc.
    Inventor: Michael L. Edwards
  • Patent number: 4119775
    Abstract: Novel substituted(4-oxo-1-pyridinyl)acetylaminopenicillin and cephalosporin derivatives are prepared which are useful antibacterial agents.
    Type: Grant
    Filed: October 9, 1975
    Date of Patent: October 10, 1978
    Assignee: Richardson-Merrell Inc.
    Inventors: Ronald E. Bambury, Michael L. Edwards, Laird F. Miller