Patents by Inventor L. Gordon Letts

L. Gordon Letts 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: 6057347
    Abstract: Nonsteroidal antiinflammatory drugs which have been substituted with a nitrogen monoxide group; compositions comprising (i) a nonsteroidal antiinflammatory drug, which can optionally be substituted with a nitrogen monoxide group and (ii) a compound that directly donates, transfers or releases a nitrogen monoxide group (preferably as a charged species, particularly nitrosonium); and methods of treatment of inflammation, pain, gastrointestinal lesions and/or fever using the compositions are disclosed. The compounds and compositions protect against the gastrointestinal, renal and other toxicities that are otherwise induced by nonsteroidal antiinflammatory drugs.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: May 2, 2000
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Patent number: 6051588
    Abstract: A compound comprising a non-steroidal antiinflammatory agent to which is directly or indirectly linked an NO group, a pharmaceutical composition including the compounds and methods of treatment of pain and/or inflammation using the compounds and compositions are disclosed. Also disclosed is a composition comprising a non-steroidal antiinflammatory agent and a compound that donates, transfers or releases nitric oxide.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: April 18, 2000
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Patent number: 6048858
    Abstract: Nonsteroidal antiinflammatory drugs which have been substituted with a nitrogen monoxide group; compositions comprising (i) a nonsteroidal antiinflammatory drug, which can optionally be substituted with a nitrogen monoxide group and (ii) a compound that directly donates, transfers or releases a nitrogen monoxide group (preferably as a charged species, particularly nitrosonium); and methods of treatment of inflammation, pain, gastrointestinal lesions and/or fever using the compositions are disclosed. The compounds and compositions protect against the gastrointestinal, renal and other toxicities that are otherwise induced by nonsteroidal antiinflammatory drugs.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: April 11, 2000
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Patent number: 6043232
    Abstract: A compound comprising a non-steroidal antiinflammatory agent to which is directly or indirectly linked an NO group, a compound comprising an enolic anilide non-steroidal antiinflammatory agent to which is directly or indirectly linked an NO.sub.2 group, a pharmaceutical composition including the compounds and methods of treatment of pain and/or inflammation using the compounds and compositions are disclosed. Also disclosed is a composition comprising a non-steroidal antiinflammatory agent and a compound that donates, transfers or releases nitric oxide.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: March 28, 2000
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Patent number: 6043233
    Abstract: Nonsteroidal antiinflammatory drugs which have been substituted with a nitrogen monoxide group; compositions comprising (i) a nonsteroidal antiinflammatory drug, which can optionally be substituted with a nitrogen monoxide group and (ii) a compound that directly donates, transfers or releases a nitrogen monoxide group (preferably as a charged species, particularly nitrosonium); and methods of treatment of inflammation, pain, gastrointestinal lesions and/or fever using the compositions are disclosed The compounds and compositions protect against the gastrointestinal, renal and other toxicities that are otherwise induced by nonsteroidal antiinflammatory drugs.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: March 28, 2000
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Patent number: 5843441
    Abstract: A method for treating asthma in a patient using an agent selected from the group consisting of:(a) an antibody capable of binding to ELAM-1;(b) a fragment of the antibody (a), the fragment being capable of binding to ELAM-1;(c) ELAM-1, being substantially free of natural contaminants;(d) a functional derivative of ELAM-1;(e) an antibody capable of binding to an ELAM-1 receptor;(f) a fragment of the antibody (e), the fragment being capable of binding to an ELAM-1 receptor;(g) an ELAM-1 receptor, being substantially free of natural contaminants; and .(h) a functional derivative of an ELAM-1 receptor.
    Type: Grant
    Filed: July 19, 1995
    Date of Patent: December 1, 1998
    Assignee: Boehringer Ingelheim
    Inventors: Robert H. Gundel, Craig D. Wegner, L. Gordon Letts, C. Wayne Smith
  • Patent number: 5824669
    Abstract: Disclosed are (i) compounds of a steroid, a .beta.-agonist, an anticholinergic, a mast cell stabilizer and a phosphodiesterase (PDE) inhibitor directly or indirectly linked to a NO or NO.sub.2 group or a group which stimulates endogenous production of NO or EDRF in vivo; (ii) compositions of steroids, .beta.-agonists, anticholinergics, mast cell stabilizers and PDE inhibitors, which can optionally be substituted with at least one NO or NO.sub.2 moiety or a group which stimulates endogenous production of NO or EDRF in vivo, and a compound that donates, transfers or releases nitric oxide as a charged species, i.e., nitrosonium (NO.sup.+) or nitroxyl (NO.sup.-), or as the neutral species, nitric oxide (NO.circle-solid.) or that stimulates endogenous production of NO or EDRF in vivo; and (iii) uses for them in preventing and/or treating respiratory disorders.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: October 20, 1998
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Stewart K. Richardson
  • Patent number: 5703073
    Abstract: Nonsteroidal antiinflammatory drugs which have been substituted with a nitrogen monoxide group; compositions comprising (i) a nonsteroidal antiinflammatory drug, which can optionally be substituted with a nitrogen monoxide group and (ii) a compound that directly donates, transfers or releases a nitrogen monoxide group (preferably as a charged species, particularly nitrosonium); and methods of treatment of inflammation, pain, gastrointestinal lesions and/or fever using the compositions are disclosed. The compounds and compositions protect against the gastrointestinal, renal and other toxicities that are otherwise induced by nonsteroidal antiinflammatory drugs.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: December 30, 1997
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Patent number: 5310551
    Abstract: A method for inhibiting pulmonary oxygen toxicity in a patient requiring elevated levels of inhaled oxygen, by prophylactic administration of certain adhesion molecules and antibodies thereto.
    Type: Grant
    Filed: February 10, 1993
    Date of Patent: May 10, 1994
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Craig D. Wegner, L. Gordon Letts