Patents by Inventor Lee Allen Flippin

Lee Allen Flippin 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).

  • Publication number: 20220054474
    Abstract: The present disclosure relates to pharmaceutical formulations of [(4-hydroxy-1-methyl-7-phenoxy-isoquinoline-3-carbonyl)-amino]-acetic acid and methods of use thereof.
    Type: Application
    Filed: March 10, 2021
    Publication date: February 24, 2022
    Inventors: David Conca, Lee Allen Flippin, Scott David Leigh, Claudia Witschi, Lee Robert Wright
  • Patent number: 10765672
    Abstract: The present disclosure relates to pharmaceutical formulations of [(4-hydroxy-1-methyl-7-phenoxy-isoquinoline-3-carbonyl)-amino]-acetic acid and methods of use thereof.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 8, 2020
    Assignee: FibroGen, Inc.
    Inventors: David Conca, Lee Allen Flippin, Scott David Leigh, Claudia Witschi, Lee Robert Wright
  • Publication number: 20190008846
    Abstract: The present disclosure relates to pharmaceutical formulations of [(4-hydroxy-1-methyl-7-phenoxy-isoquinoline-3-carbonyl)-amino]-acetic acid and methods of use thereof.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 10, 2019
    Inventors: David Conca, Lee Allen Flippin, Scott David Leigh, Claudia Witschi, Lee Robert Wright
  • Publication number: 20160120859
    Abstract: The present disclosure relates to pharmaceutical formulations of [(4-hydroxy-1-methyl-7-phenoxy-isoquinoline-3-carbonyl)-amino]-acetic acid and methods of use thereof.
    Type: Application
    Filed: June 5, 2014
    Publication date: May 5, 2016
    Applicant: Fibrogen, Inc.
    Inventors: David Conca, Lee Allen Flippin, Scott David Leigh, Claudia Witschi, Lee Robert Wright
  • Patent number: 6262078
    Abstract: Compounds selected from the group of compounds represented by Formula I: as an individual isomer or as a racemic or non-racemic mixture of isomers, and their pharmaceutically acceptable salts and N-oxides thereof; are sodium channel blockers, and thus exhibit useful pharmacological properties, including utility for the treatment of neuropathic pain conditions.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: July 17, 2001
    Assignee: Syntex (U.S.A.) LLC
    Inventors: David Garrett Loughhead, Xiao-Fa Lin, Robert James Weikert, Lee Allen Flippin
  • Patent number: 6110937
    Abstract: Compounds selected from the group of compounds represented by Formula I: ##STR1## as an individual isomer or as a racemic or non-racemic mixture of isomers, and their pharmaceutically acceptable salts and N-oxides thereof; are sodium channel blockers, and thus exhibit useful pharmacological properties, including utility for the treatment of neuropathic pain conditions.
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: August 29, 2000
    Assignee: Syntex USA, Inc.
    Inventors: David Garrett Loughhead, Xiao-Fa Lin, Robert James Weikert, Lee Allen Flippin
  • Patent number: 5958934
    Abstract: The aryl pyrimidine derivatives and pharmaceutically acceptable salts and N-oxides thereof, exhibit useful pharmacological properties, including utility as selective 5HT.sub.2B -antagonists. The 5-HT.sub.2B antagonist is a compound of the formula: ##STR1## wherein: R.sup.1 is hydrogen, alkyl, lower alkoxy, hydroxyalkyl, cycloalkyl, cycloalkyl lower alkyl, alkenyl, lower thioalkoxy, halo, fluoroalkyl, --NR.sup.6 R.sup.7, --CO.sub.2 R.sup.8, --O(CH.sub.2).sub.n R.sup.9, or lower alkyl optionally substituted with hydroxy, alkoxy, halo, or aryl; in whichn is 1, 2, or 3;R.sup.6 and R.sup.7 are hydrogen or lower alkyl;R.sup.8 is hydrogen or lower alkyl; andR.sup.9 is hydrogen, lower alkyl, hydroxy, hydroxy lower alkyl, lower alkenyl, or lower alkoxy;R.sup.2 is hydrogen, lower alkyl, lower alkoxy, halo, or lower fluoroalkyl;R.sup.3 is optionally substituted aryl other than pyridyl, thienyl, or furanyl;R.sup.4 is hydrogen, lower alkyl, cycloalkyl, alkenyl, acyl, amino, amido, aryl, --(CH.sub.2).sub.m NR.sup.10 R.sup.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: September 28, 1999
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jacob Berger, Lee Allen Flippin, Robert Greenhouse, Saul Jaime-Figueroa, Yanzhou Liu, Aubry Kern Miller, David George Putman, Klaus Kurt Weinhardt, Shu-Hai Zhao
  • Patent number: 5952331
    Abstract: The aryl pyrimidine derivatives and pharmaceutically acceptable salts and N-oxides thereof, exhibit useful pharmacological properties, including utility as selective 5HT.sub.2B -antagonists.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: September 14, 1999
    Assignee: Syntex (USA) Inc.
    Inventors: Jacob Berger, Lee Allen Flippin, Robert Greenhouse, Saul Jaime-Figueroa, Yanzhou Liu, Aubry Kern Miller, David George Putman, Klaus Kurt Weinhardt, Shu-Hai Zhao
  • Patent number: 5863924
    Abstract: The disclosed pyrimidine derivatives, and pharmaceutically acceptable salts and N-oxides thereof, exhibit useful pharmacological properties, in particular use as selective 5HT.sub.2B -antagonists. The invention is also directed to formulations and methods for treatment.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: January 26, 1999
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jacob Berger, Lee Allen Flippin, Robert Greenhouse, Saul Jaime-Figueroa, Yanzhou Liu, Aubry Kern Miller, David George Putman, Klaus Kurt Weinhardt, Shu-Hai Zhao
  • Patent number: 5753663
    Abstract: The disclosed pyrimidine derivatives, and pharmaceutically acceptable salts thereof, exhibit useful pharmacological properties, in particular use as 5HT.sub.2C - antagonists. The invention is also directed to formulations and methods for treatment.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: May 19, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Lee Allen Flippin, Gabriel Stone Weatherhead
  • Patent number: 5688830
    Abstract: This invention relates to a compound of the Formula I: ##STR1## as a racemic mixture and its individual enantiomers, in particular the (R)-enantiomer, and their pharmaceutically acceptable salts. These compounds are useful as sodium channel blockers, and are particularly useful for the alleviation of neuropathic pain.
    Type: Grant
    Filed: January 16, 1997
    Date of Patent: November 18, 1997
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jacob Berger, Lee Allen Flippin, John Cureton Hunter, David Garrett Loughhead, Robert James Weikert