Patents by Inventor David Igo

David Igo 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: 20220387479
    Abstract: This disclosure provides novel aqueous povidone-iodine (PVP-I) pharmaceutical preparations, which demonstrate strong antimicrobial activity and also strong virucidal activities. The disclosure also provides methods for reducing virus transmission or decreasing risk, incidence or severity of diseases (e.g., COVID-19) or conditions caused by virus infections by topically applying the pharmaceutical preparation of the disclosure to an animal (e.g., a human subject). The disclosure further provides methods of reducing an infection risk posed by microorganisms or viruses in a clinical setting.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 8, 2022
    Applicant: Purdue Pharma L.P.
    Inventors: David IGO, Rosa HONG, Zachary Thomas ROHR
  • Publication number: 20220098186
    Abstract: Provided herein are novel crystalline forms of a crystalline compound of Formula (I), which modulates the ORL-1 receptor. The crystalline compounds of Formula (I), compositions thereof, and methods of using thereof that are described herein are particularly useful for treatment, prevention, and management of several sleep disorders.
    Type: Application
    Filed: January 30, 2020
    Publication date: March 31, 2022
    Applicant: Purdue Pharma L.P.
    Inventors: Ronnie ORTIZ, David IGO, Naoki TSUNO, Mayu FUKUDA, Naoki MIYAKE
  • Publication number: 20150158870
    Abstract: The present invention provides individual crystalline polymorphs of 7-(tert-Butyl-d9)-3-(2,5-difluorophenyl)-6-((1-methyl-1H-1,2,4-triazol-5-yl)methoxy)-[1,2,4]triazolo[4,3-b]pyridazine designated Form 1, Form 3 and Form 4. Each polymorph disclosed herein is characterized according to one or more of (a) powder X-ray diffraction data (“XRPD”); (b) differential scanning calorimetry (“DSC”); and (e) thermogravimetric analysis (TGA).
    Type: Application
    Filed: May 11, 2013
    Publication date: June 11, 2015
    Inventors: David Igo, Joanna Bis, Steve Weissman, David Turnquist
  • Publication number: 20150119398
    Abstract: The present invention provides the Form 2 crystalline polymorph of 7-(ieri-Butyl-d9)-3-(2,5-difluorophenyl)-6((1-methyl-1H-1,2,4-triazol-5-yl)methoxy)-[1,2,4]triazolo[4,3-b]pyridazine. The polymorph disclosed herein is characterized according to one or more of (a) powder X-ray diffraction data (“XRPD”); (b) differential scanning calorimetry (“DSC”); (c) FT-Raman spectrum; (d) FT-IT spectrum; and (e) thermogravimetric analysis (TGA).
    Type: Application
    Filed: May 11, 2013
    Publication date: April 30, 2015
    Inventors: Steve Weissman, Joanna Bis, David Turnquist, David Igo
  • Publication number: 20150099753
    Abstract: The present invention provides individual crystalline polymorphs of 7-(tert-Butyl-d9)-3-(2,5-difluorophenyl)-6-((1-methyl-1H-1,2,4-triazol-5-yl)methoxy)-[1,2,4]triazolo[4,3-b]pyridazine designated Form 5. The Form 5 polymorph disclosed herein is characterized according to one or more of (a) powder X-ray diffraction data (“XRPD”); (b) differential scanning calorimetry (“DSC”); (c) FT-Raman spectroscopy; (d) FT-IR spectroscopy; and (e) thermogravimetric analysis (TGA).
    Type: Application
    Filed: May 11, 2013
    Publication date: April 9, 2015
    Inventors: David Igo, Joanna Bis, Steve Weissman, David Turnquist
  • Patent number: 8673912
    Abstract: This invention relates to three crystalline forms of N-[3-fluoro-4-((6-(methyloxy)-7-[(3-morpholin-4-ylpropyl)oxy]quinolin-4-yl|oxy)phenyl]-N?-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide. Compound (I), designated as Form A, Form B, and Form C. The invention provides methods for treatment of cancer by exploiting the modulation of protein kinase activity. The invention also provides pharmaceutical compositions containing a crystalline form of Compound (I) and a pharmaceutically acceptable excipient.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: March 18, 2014
    Assignee: Exelixis, Inc.
    Inventors: Hilary Cannon, David Igo, Tri Tran
  • Publication number: 20120270872
    Abstract: This invention relates to three crystalline forms of N—[3-fluoro-4-((6-(methyloxy)-7-[(3-morpholin-4-ylpropyl)oxy]quinolin-4-yl|oxy)phenyl]—N?—(4-fluorophenyl)cyclopropane-1,1-dicarboxamide. Compound (I), designated as Form A, Form B, and Form C. The invention provides methods for treatment of cancer by exploiting the modulation of protein kinase activity. The invention also provides pharmaceutical compositions containing a crystalline form of Compound (I) and a pharmaceutically acceptable excipient.
    Type: Application
    Filed: July 16, 2010
    Publication date: October 25, 2012
    Applicant: Exelixis, Inc.
    Inventors: Hilary Cannon, David Igo, Tri Tran
  • Publication number: 20070142451
    Abstract: The present invention relates to a salt of carvedilol, corresponding compositions containing such a carvedilol salt or corresponding solvates thereof, and/or methods of using the aforementioned compound(s) in the treatment of certain disease states in mammals, in particular man. The present invention further relates to a novel crystalline form of carvedilol hydrobromide, which is the hydrobromide salt of 1-(carbazol-4-yloxy-3-[[2-(o-methoxyphenoxy)ethyl]amino]-2-propanol, and/or other carvedilol solvates thereof, compositions containing salts or solvates of carvedilol hydrobromide, and methods of using the aforementioned compound(s) to treat hypertension, congestive heart failure, and angina, etc.
    Type: Application
    Filed: October 11, 2006
    Publication date: June 21, 2007
    Inventors: Pingyun Chen, Qunying Dai, Philip Dell'Orco, Claire Hisler, David Igo, Lee Katrincic, Clifford Labaw, Li-Jen Ping
  • Publication number: 20070066677
    Abstract: The present invention includes anhydrous crystalline forms of (2S,4S)-4-fluoro-1-[4-fluoro-?-(4-fluorophenyl)-L-phenylalanyl]-2-pyrrolidinecarbonitrile p-toluenesulfonic acid salt.
    Type: Application
    Filed: July 19, 2004
    Publication date: March 22, 2007
    Inventors: David Igo, Paul Johnson, Daniel Patterson, Amarjit Randhawa
  • Publication number: 20050277689
    Abstract: The present invention relates to a salt of carvedilol and/or corresponding solvates thereof, compositions containing such carvedilol and/or corresponding solvates thereof, and/or methods of using the aforementioned compound(s) in the treatment of certain disease states in mammals, in particular man. The present invention further relates to carvedilol phosphate salts, and/or solvates thereof, which include a novel crystalline form of carvedilol dihydrogen phosphate (i.e., which is the dihydrogen phosphate salt of 1-(carbazol-4-yloxy-3-[[2-(o-methoxyphenoxy) ethyl]amino]-2-propanol) and/or carvedilol hydrogen phosphate, etc.) and/or other corresponding solvates thereof, compositions containing these carvedilol phosphate salts and/or solvates, and methods of using the aforementioned salts and/or solvates to treat hypertension, congestive heart failure and angina, etc.
    Type: Application
    Filed: November 24, 2004
    Publication date: December 15, 2005
    Inventors: Christopher Brook, Pingyun Chen, Wei Chen, Qunying Dai, Philip Dell'Orco, Clifford Labaw, Ann Diederich, Choon Oh, Claire Hisler, David Igo, Lee Katrincic, Li-Jen Ping, Paul Spoors, Jun Wang, Christopher Werner
  • Publication number: 20050261355
    Abstract: The present invention relates to a salt of carvedilol, corresponding compositions containing such a carvedilol salt or corresponding solvates thereof, and/or methods of using the aforementioned compound(s) in the treatment of certain disease states in mammals, in particular man. The present invention further relates to a novel crystalline form of carvedilol hydrobromide, which is the hydrobromide salt of 1-(carbazol-4-yloxy)-3-[[2-(omethoxyphenoxyl)ethyl]amino]-2-propanol, and/or other carvedilol solvates thereof, compositions containing salts or solvates of carvedilol hydrobromide, and methods of using the aforementioned compound(s) to treat hypertension, congestive heart failure, and angina, etc.
    Type: Application
    Filed: June 27, 2003
    Publication date: November 24, 2005
    Applicant: SB Pharmco Puerto Rico Inc.,
    Inventors: Pingyun Chen, Qunying Dai, Philip Cell'Orco, Claire Hisler, David Igo, Lee Katrincic, Clifford Labaw, Li-Jen Ping