Patents by Inventor Paul Francis Keitz

Paul Francis Keitz 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: 7312230
    Abstract: This invention relates to compounds which are generally IP receptor antagonists and which are represented by Formula I: wherein: R1, R2, and R3 are each independently in each occurrence aryl or heteroaryl; R4 is —COOH or tetrazolyl; A, B, m, n, and r are as defined in the specification; or individual isomers, racemic or non-racemic mixtures of isomers, or pharmaceutically acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, methods for their use as therapeutic agents, and processes for their preparation.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: December 25, 2007
    Assignee: Roche Palo Alto LLC
    Inventors: Richard Leo Cournoyer, Paul Francis Keitz, Lee Edwin Lowrie, Jr., Alexander Victor Muehldorf, Counde O'Yang, Dennis Mitsugu Yasuda
  • Patent number: 7279498
    Abstract: Compounds effective as IP receptor modulators, particularly IP receptor antagonists, that are of the formula I: wherein A, R1, R2, R3 and R4 are as defined in the specification; and individual isomers, racemic or non-racemic mixtures of isomers, and pharmaceutically acceptable salts or solvates thereof. Also disclosed are pharmaceutical compositions containing such compounds and methods for their use as therapeutic agents.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: October 9, 2007
    Assignee: Roche Palo Alto LLC
    Inventors: Paul Francis Keitz, Alam Jahangir, Francisco Javier Lopez-Tapia, Counde O'Yang
  • Patent number: 7244738
    Abstract: Compounds represented by Formula I: which are useful as are alpha-1A/B adrenoceptor antagonists, to methods of treating conditions associated with the activity of alpha-1A/B adrenoceptors, and to methods of making said compounds, wherein Ar, Z, R, R?, R5 and R10 are as defined herein.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: July 17, 2007
    Assignee: Roche Palo Alto LLC
    Inventors: Terrence Joseph Connolly, Paul Francis Keitz, Eun Kyung Lee, Jim Li, Francisco Javier Lopez-Tapia, Patrick Finbar McGarry, Chris Richard Melville, Dov Nitzan, Counde O'Yang, Fernando Padilla, Klaus Kurt Weinhardt
  • Patent number: 7056903
    Abstract: This invention relates to compounds which are generally IP receptor antagonists and which are represented by Formula I: wherein: R1, R2, and R3 are each independently in each occurrence aryl or heteroaryl; R4 is —COOH or tetrazolyl; A, B, m, n, and r are as defined in the specification; or individual isomers, racemic or non-racemic mixtures of isomers, or pharmaceutically acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, methods for their use as therapeutic agents, and processes for their preparation.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: June 6, 2006
    Assignee: Syntex (U.S.A.) LLC
    Inventors: Richard Leo Cournoyer, Paul Francis Keitz, Lee Edwin Lowrie, Jr., Alexander Victor Muehldorf, Counde O'Yang, Dennis Mitsugu Yasuda
  • Patent number: 6998414
    Abstract: Compounds effective as IP receptor modulators, particularly IP receptor antagonists, that are of the formula I: wherein A, R1, R2, R3 and R4 are as defined in the specification; and individual isomers, racemic or non-racemic mixtures of isomers, and pharmaceutically acceptable salts or solvates thereof. Also disclosed are pharmaceutical compositions containing such compounds and methods for their use as therapeutic agents.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: February 14, 2006
    Assignee: Roche Palo Alto LLC
    Inventors: Paul Francis Keitz, Alam Jahangir, Francisco Javier Lopez-Tapia, Counde O'Yang
  • Publication number: 20040220247
    Abstract: Compounds effective as IP receptor modulators, particularly IP receptor antagonists, that are of the formula I: 1
    Type: Application
    Filed: April 29, 2004
    Publication date: November 4, 2004
    Applicant: Roche Palo Alto LLC
    Inventors: Paul Francis Keitz, Alam Jahangir, Francisco Javier Lopez-Tapia, Counde O'Yang
  • Patent number: 6693098
    Abstract: This invention relates to compounds which are generally IP receptor antagonists and which are represented by Formula I: wherein: R1, R2, and R3 are each independently in each occurrence aryl or heteroaryl; R4 is —COOH or tetrazolyl; A, B, m, n, and r are as defined in the specification; or individual isomers, racemic or non-racemic mixtures of isomers, or pharmaceutically acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, methods for their use as therapeutic agents, and processes for their preparation.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: February 17, 2004
    Assignee: Syntex (U.S.A) LLC
    Inventors: Richard Leo Cournoyer, Paul Francis Keitz, Lee Edwin Lowrie, Jr., Alexander Victor Muehldorf, Counde O'Yang, Dennis Mitsugu Yasuda
  • Publication number: 20030220367
    Abstract: This invention relates to compounds which are generally IP receptor antagonists and which are represented.
    Type: Application
    Filed: May 9, 2003
    Publication date: November 27, 2003
    Inventors: Richard Leo Cournoyer, Paul Francis Keitz, Lee Edwin Lowrie, Alexander Victor Muehldorf, Counde O'Yang, Dennis Mitsugu Yasuda
  • Publication number: 20010056100
    Abstract: This invention relates to compounds which are generally IP receptor antagonists and which are represented by Formula I: 1
    Type: Application
    Filed: March 14, 2001
    Publication date: December 27, 2001
    Inventors: Richard Leo Cournoyer, Paul Francis Keitz, Lee Edwin Lowrie Jr., Alexander Victor Muehldorf, Counde O'Yang, Dennis Mitsugu Yasuda
  • Patent number: 6057349
    Abstract: The present invention concerns novel compounds represented by the Formula: ##STR1## wherein: A is R.sup.1.sub.q (R.sup.3 R.sup.60 N).sub.m (Z)(NR.sup.2).sub.n ; m and q are each 0 or 1, with the proviso that when q is 1, m is 0 and when q is 0, m is 1; Z is C.dbd.O or SO.sub.2 ; n is 1 with the proviso that, when Z is C.dbd.O, m is 1; X is --NH--, --CH.sub.2 --, or --OCH.sub.2 --; Y is [2-imidazoline, 2-oxazolin] 2-thiazoline, [or 4-imidazole] R.sup.1 is H, lower alkyl, or phenyl, with the proviso that, when R.sup.1 is H, m is 1; R.sup.2, R.sup.3, R.sup.60 are each independently H, lower alkyl, or phenyl; R.sup.4, R.sup.5, R.sup.6, and R.sup.7 are each independently hydrogen, lower alkyl, --CF.sub.3, lower alkoxy, halogen, phenyl, lower alkeny, hydroxyl, lower alkylsulfonamido, or lower cycloalkyl, wherein R.sup.2 and R.sup.
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: May 2, 2000
    Assignee: F. Hoffman La Roche AG
    Inventors: Richard Leo Cournoyer, Paul Francis Keitz, Counde O'Yang, Dennis Mitsugu Yasuda
  • Patent number: 5952362
    Abstract: The present invention concerns novel compounds represented by the Formula: ##STR1## wherein: A is R.sup.1.sub.q (R.sup.3 R.sup.60 N).sub.m (Z)(NR.sup.2).sub.n ; m and q are each 0 or 1, with the proviso that when q is 1, m is 0 and when q is 0, m is 1; Z is C.dbd.O or SO.sub.2 ; n is 1 with the proviso that, when Z is C.dbd.O, m is 1; X is --NH--, --CH.sub.2 --, or --OCH.sub.2 --; Y is 2-imidazoline, 2-oxazoline, 2-thiazoline, or 4-imidazole; R.sup.1 is H, lower alkyl, or phenyl, with the proviso that, when R.sup.1 is H, m is 1; R.sup.2, R.sup.3, R.sup.60 are each independently H, lower alkyl, or phenyl; R.sup.4, R.sup.5, R.sup.6, and R.sup.7 are each independently hydrogen, lower alkyl, --CF.sub.3, lower alkoxy, halogen, phenyl, lower alkeny, hydroxyl, lower alkylsulfonamido, or lower cycloalkyl, wherein R.sup.2 and R.sup.
    Type: Grant
    Filed: June 3, 1998
    Date of Patent: September 14, 1999
    Assignee: Syntex (U.S.A) Inc.
    Inventors: Richard Leo Cournoyer, Paul Francis Keitz, Counde O'Yang, Dennis Mitsugu Yasuda