Patents by Inventor Martyn C. Pritchard

Martyn C. Pritchard 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: 5631281
    Abstract: Novel unnatural dipeptoids of .alpha.-substituted Trp-Phe derivatives useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, colorectal tumors, or as antipsychotics are disclosed. Further the compounds are antianxiety agents, antiulcer agents, antidepressant agents, and are agents useful for preventing the withdrawal response produced by chronic treatment or use followed by chronic treatment followed by withdrawal from nicotine, diazepam, alcohol, cocaine, caffeine, or opiods. Also disclosed are pharmaceutical compositions and methods of treatment using the dipeptoids as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the subject compounds to prepare pharmaceutical and diagnostic compositions.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: May 20, 1997
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Edward Roberts, Reginald S. Richardson, Julian Aranda
  • Patent number: 5622983
    Abstract: Novel unnatural dipeptoids of .alpha.-substituted Trp-Phe derivatives useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, colorectal tumors, or as antipsychotics are disclosed. Further the compounds are antianxiety agents, antiulcer agents, antidepressant agents, and are agents useful for preventing the withdrawal response produced by chronic treatment or use followed by chronic treatment followed by withdrawal from nicotine, diazepam, alcohol, cocaine, caffeine, or opiods. Also disclosed are pharmaceutical compositions and methods of treatment using the dipeptoids as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the subject compounds to prepare pharmaceutical and diagnostic compositions.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: April 22, 1997
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Edward Roberts, Reginald S. Richardson, Julian Aranda
  • Patent number: 5610145
    Abstract: The small compounds of the instant invention are tachykinin antagonists. The compounds are highly selective and functional NK.sub.3 antagonists expected to be useful in the treatment of pain, depression, anxiety, panic, schizophrenia, neuralgia, addiction disorders, inflammatory diseases, gastrointestinal disorders, vascular disorders, and neuropathological disorders.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: March 11, 1997
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, William Howson, Martyn C. Pritchard, Jennifer Raphy
  • Patent number: 5610176
    Abstract: The invention concerns tachykinin antagonists. The compounds are alcohols, amines and prodrugs of nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included.The compounds are expected to be especially useful in asthma, multiple sclerosis, rheumatoid arthritis, the management of pain, migraine, and antiemetic agents.
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: March 11, 1997
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, William Howson, Martyn C. Pritchard
  • Patent number: 5594022
    Abstract: The invention concerns tachykinin antagonists. The compounds are nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included.The compounds are expected to be especially useful in asthma and rheumatoid arthritis.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: January 14, 1997
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, William Howson, Martyn C. Pritchard, Edward Roberts, David C. Rees
  • Patent number: 5580896
    Abstract: This invention relates to the treatment of pain and inhibiting the growth of colorectal cancer with dipeptoids of .alpha.-substituted Trp-Phe derivatives.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: December 3, 1996
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Edward Roberts, Reginald S. Richardson, Julian Aranda
  • Patent number: 5554643
    Abstract: Novel pro-drugs to new and unnatural depeptoids of .alpha.-substituted Trp-Phe derivatives useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, or as antipsychotics are disclosed. Further, the dipeptoids are antianxiety agents and antiulcer agents. They are agents useful for preventing the response to the withdrawal from chronic treatment or with use of nicotine, diazepam, alcohol, cocaine, caffeine, or opioids. The pro-drugs are also useful in treating and/or preventing panic attacks. Also disclosed are pharmaceutical compositions and methods of treatment using the pro-drugs as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the subject pro-drug compounds in diagnostic compositions.
    Type: Grant
    Filed: April 13, 1994
    Date of Patent: September 10, 1996
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Reginald S. Richardson
  • Patent number: 5554641
    Abstract: The small nonpeptides of the instant invention are tachykinin antagonists. The compounds are highly selective and functional NK.sub.3 antagonists expected to be useful in the treatment of pain, depression, anxiety, panic, schizophrenia, neuralgia, addiction disorders, inflammatory diseases, gastrointestinal disorders, vascular disorders, and neuropathological disorders.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: September 10, 1996
    Inventors: David C. Horwell, Martyn C. Pritchard, Jennifer Raphy
  • Patent number: 5523306
    Abstract: Novel .alpha.-substituted Trp dipeptoid derivatives cyclized at the C-terminal useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, or as antipsychotics are disclosed. Further, the compounds are antianxiety agents and antiulcer agents. They are agents useful for preventing the response to the withdrawal from chronic treatment with or use of nicotine, diazepam, alcohol, cocaine, caffeine, or opioids. The compounds of the invention are also useful in treating and/or preventing panic attacks. Also disclosed are pharmaceutical compositions and methods of treatment using the compounds as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the compounds in diagnostic compositions.
    Type: Grant
    Filed: December 5, 1994
    Date of Patent: June 4, 1996
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Edward Roberts, Reginald S. Richardson
  • Patent number: 5397788
    Abstract: Novel .alpha.-substituted Trp dipeptoid derivatives cyclized at the C-terminal useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, or as antipsychotics are disclosed. Further, the compounds are antianxiety agents and antiulcer agents. They are agents useful for preventing the response to the withdrawal from chronic treatment with or use of nicotine, diazepam, alcohol, cocaine, caffeine, or opioids. The compounds of the invention are also useful in treating and/or preventing panic attacks. Also disclosed are pharmaceutical compositions and methods of treatment using the compounds as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the compounds in diagnostic compositions.
    Type: Grant
    Filed: April 20, 1993
    Date of Patent: March 14, 1995
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Edward Roberts, Reginald S. Richardson
  • Patent number: 5340825
    Abstract: Novel pro-drugs ##STR1## the variables are as defined in the specification. New and unnatural dipeptoids of .alpha.-substituted Trp-Phe derivatives useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, or as antipsychotics are disclosed. Further, the dipeptoids are antianxiety agents and antiulcer agents. They are agents useful for preventing the response to the withdrawal from chronic treatment or with use of nicotine, diazepam, alcohol, cocaine, caffeine, or opioids. The pro-drugs are also useful in treating and/or preventing panic attacks. Also disclosed are pharmaceutical compositions and methods of treatment using the pro-drugs as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the subject pro-drug compounds in diagnostic compositions.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: August 23, 1994
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Reginald S. Richardson
  • Patent number: 5331006
    Abstract: Novel unnatural dipeptoids useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, or as antipsychotics are disclosed. Further, the compounds are antianxiety agents and antiulcer agents. The compounds are agents useful for preventing the response to withdrawal from chronic treatment or use of nicotine, diazepam, alcohol, cocaine, caffeine, and opioids. The compounds are also useful in treating and/or preventing panic attacks. Also disclosed are pharmaceutical compositions and methods of treatment using the dipeptoids as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the subject compounds to prepare diagnostic compositions.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: July 19, 1994
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Julian Aranda, Corinne Augelli-Szafran, Hans-Jurgen Betche, Ann Holmes, Michael D. Mullican, Martyn C. Pritchard, Reginald S. Richardson, Edward Roberts, Bruce D. Roth, Bradley D. Tait, Bharat K. Trivedi, Uwe Trostmann, Paul C. Unangst
  • Patent number: 5278316
    Abstract: Novel unnatural dipeptoids of .alpha.-substituted Trp-Phe derivatives useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, or as antipsychotics are disclosed. Further the compounds are antianxiety agents, antiulcer agents, antidepressant agents, and are agents useful for preventing the withdrawal response produced by chronic treatment or use followed by chronic treatment followed by withdrawal from nicotine, diazepam, alcohol, cocaine, caffeine, or opiods. Also disclosed are pharmaceutical compositions and methods of treatment using the dipeptoids as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the subject compounds to prepare pharmaceutical and diagnostic compositions.
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: January 11, 1994
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Reginald S. Richardson, Edward Roberts, Julian Aranda
  • Patent number: 5264419
    Abstract: Novel peptoids of .alpha.-substituted Trp derivatives useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, or as antipsychotics are disclosed. Further the compounds are antianxiety agents and antiulcer agents. They are agents useful for preventing the response to withdrawal from chronic treatment or use of nicotine, diazepam, alcohol, cocaine, caffeine, or opioids. The compounds are also useful in the treatment and/or prevention of panic attacks. Also disclosed are pharmaceutical compositions and methods of treatment using the peptoids as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the subject compounds to prepare diagnostic compositions.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: November 23, 1993
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Edward Roberts
  • Patent number: 5244915
    Abstract: Novel .alpha.-substituted Trp dipeptoid derivatives cyclized at the C-terminal useful as agents in the treatment of obesity, hypersecretion of gastric acid in the gut, gastrin-dependent tumors, or as antipsychotics are disclosed. Further, the compounds are antianxiety agents and antiulcer agents. They are agents useful for preventing the response to the withdrawal from chronic treatment with or use of nicotine, diazepam, alcohol, cocaine, caffeine, or opioids. The compounds of the invention are also useful in treating and/or preventing panic attacks. Also disclosed are pharmaceutical compositions and methods of treatment using the compounds as well as processes for preparing them and novel intermediates useful in their preparation. An additional feature of the invention is the use of the compounds in diagnostic compositions.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: September 14, 1993
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard, Reginald S. Richardson, Edward Roberts
  • Patent number: 5218123
    Abstract: Novel didehydrotryptophan derivatives useful as agents in the reduction of gastric acid secretion and in the treatment of anxiety, psychoses, and the symptoms of cognitive decline are disclosed. Processes for making the compounds and novel intermediates useful in the processes as well as compositions containing the compounds and methods of using them are also disclosed.
    Type: Grant
    Filed: February 18, 1992
    Date of Patent: June 8, 1993
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, Martyn C. Pritchard