Patents by Inventor Richard Polniaszek

Richard Polniaszek 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).

  • Salts of HIV inhibitor compounds
    Patent number: 9783568
    Abstract: The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to process and intermediates useful for preparing such salts.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: October 10, 2017
    Assignee: Gilead Sciences, Inc.
    Inventors: Benjamin R. Graetz, Richard Polniaszek
  • SALTS OF HIV INHIBITOR COMPOUNDS
    Publication number: 20160355543
    Abstract: The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to process and intermediates useful for preparing such salts.
    Type: Application
    Filed: June 1, 2016
    Publication date: December 8, 2016
    Inventors: Benjamin R. Graetz, Richard Polniaszek
  • Methods and intermediates for preparing pharmaceutical agents
    Patent number: 9428473
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: August 30, 2016
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Douglas Cordeau, Leah Easton-Scott
  • Salts of HIV inhibitor compounds
    Patent number: 9381206
    Abstract: The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to process and intermediates useful for preparing such salts.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: July 5, 2016
    Assignee: GILEAD SCIENCES, INC.
    Inventors: Benjamin R. Graetz, Richard Polniaszek
  • METHODS AND INTERMEDIATES FOR PREPARING PHARMACEUTICAL AGENTS
    Publication number: 20160002186
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Application
    Filed: July 14, 2015
    Publication date: January 7, 2016
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Douglas Cordeau, Leah Easton-Scott
  • Methods and intermediates for preparing pharmaceutical agents
    Patent number: 9115100
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: August 25, 2015
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton-Scott
  • SALTS OF HIV INHIBITOR COMPOUNDS
    Publication number: 20150182547
    Abstract: The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to process and intermediates useful for preparing such salts.
    Type: Application
    Filed: December 29, 2014
    Publication date: July 2, 2015
    Inventors: Benjamin R. GRAETZ, Richard POLNIASZEK
  • Salts of HIV inhibitor compounds
    Patent number: 8951986
    Abstract: The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to processes and intermediates useful for preparing such salts.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: February 10, 2015
    Assignee: Gilead Sciences, Inc.
    Inventors: Benjamin R. Graetz, Richard Polniaszek
  • METHODS AND INTERMEDIATES FOR PREPARING PHARMACEUTICAL AGENTS
    Publication number: 20150005493
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Application
    Filed: September 3, 2014
    Publication date: January 1, 2015
    Inventors: Richard POLNIASZEK, Steven PFEIFFER, Richard YU, Aaron CULLEN, Eric DOWDY, Duong TRAN, Kenneth KENT, Zhongxin ZHOU, Doug CORDEAU, Leah EASTON-SCOTT
  • Methods and intermediates for preparing pharmaceutical agents
    Patent number: 8853210
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: October 7, 2014
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton-Scott
  • SALTS OF HIV INHIBITOR COMPOUNDS
    Publication number: 20140227224
    Abstract: The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to processes and intermediates useful for preparing such salts.
    Type: Application
    Filed: January 8, 2014
    Publication date: August 14, 2014
    Applicant: GILEAD SCIENCES, INC.
    Inventors: Benjamin R. GRAETZ, Richard POLNIASZEK
  • Salts of HIV inhibitor compounds
    Patent number: 8658617
    Abstract: The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to processes and intermediates useful for preparing such salts.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: February 25, 2014
    Assignee: Gilead Sciences, Inc.
    Inventors: Benjamin R. Graetz, Richard Polniaszek
  • Methods and intermediates for preparing pharmaceutical agents
    Patent number: 8497396
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: July 30, 2013
    Assignee: Gilead Sciences, Inc.
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton
  • SALTS OF HIV INHIBITOR COMPOUNDS
    Publication number: 20110144050
    Abstract: The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to processes and intermediates useful for preparing such salts.
    Type: Application
    Filed: July 7, 2009
    Publication date: June 16, 2011
    Applicant: Gilead Sciences, Inc.
    Inventors: Benjamin R. Graetz, Richard Polniaszek
  • PROCESS FOR PREPARATION OF HIV PROTEASE INHIBITORS
    Publication number: 20110065631
    Abstract: A process for the synthesis of bisfuran intermediates of formula (0) useful for preparing antiviral HIV protease inhibitor compounds is hereby disclosed. Furthermore disclosed is a HIV protease inhibitor of formula (IV) as well as various intermediates thereof.
    Type: Application
    Filed: March 29, 2007
    Publication date: March 17, 2011
    Applicant: Gilead Sciences, Inc
    Inventors: Kenneth R. Crawford, Eric D. Dowdy, Arnold Gutierrez, Richard Polniaszek, Richard H. Yu
  • METHODS AND INTERMEDIATES FOR PREPARING PHARMACEUTICAL AGENTS
    Publication number: 20100256366
    Abstract: The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
    Type: Application
    Filed: April 1, 2010
    Publication date: October 7, 2010
    Inventors: Richard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton
  • SALTS OF HIV INHIBITOR COMPOUNDS
    Publication number: 20100093667
    Abstract: The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to processes and intermediates useful for preparing such salts.
    Type: Application
    Filed: July 7, 2009
    Publication date: April 15, 2010
    Applicant: Gilead Sciences, Inc.
    Inventors: Benjamin R. Graetz, Richard Polniaszek
  • Processes and intermediates useful for preparing integrase inhibitor compounds
    Publication number: 20080039487
    Abstract: The invention provides processes and intermediates useful for preparing integrase inhibiting compounds.
    Type: Application
    Filed: December 21, 2006
    Publication date: February 14, 2008
    Inventors: Jared Evans, Jay Parrish, Dominika Pcion, Richard Polniaszek, Christina Schmidt, Richard Yu, Vahid Zia
  • Process for preparation of HIV protease inhibitors
    Publication number: 20080004242
    Abstract: A process for the synthesis of bisfuran intermediates useful for preparing antiviral HIV protease inhibitor compounds is hereby disclosed
    Type: Application
    Filed: March 29, 2007
    Publication date: January 3, 2008
    Inventors: Kenneth Crawford, Eric Dowdy, Arnold Gutierrez, Richard Polniaszek, Richard Yu
  • Process for preparing the antiviral agent [1S-(1alpha, 3alpha, 4beta)]-2-amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one
    Publication number: 20060106216
    Abstract: Processes are disclosed for preparing the antiviral agent entecavir. A resin adsorption process for the isolation and purification of entecavir is also disclosed. Various intermediates useful in the preparation of entecavir are also disclosed.
    Type: Application
    Filed: December 19, 2005
    Publication date: May 18, 2006
    Inventors: Yadagiri Pendri, Chung-Pin Chen, Jing Liang, Shaopeng Wang, Milan Stojanovic, Richard Polniaszek, John Thottathil, Dhileepkumar Krishnamurty