Patents by Inventor Robert Joseph Stahl

Robert Joseph Stahl 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).

  • Process for the synthesis of 1,3-diols
    Patent number: 7232915
    Abstract: An improved process for the preparation of cis-1,3-diols is described where a beta hydroxy ketone is treated with a trialkylborane or dialkylalkoxyborane or a mixture of a trialkylborane and a dialkylalkoxyborane followed by recovery and reuse of the alkylborane species to convert additional beta hydroxy ketone to the cis-1,3-diol.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: June 19, 2007
    Assignee: Warner-Lambert Company
    Inventors: Robert Lee Bosch, Richard Joseph McCabe, Thomas Norman Nanninga, Robert Joseph Stahl
  • Process for the synthesis of 1,3-diols
    Patent number: 6962994
    Abstract: An improved process for the preparation of cis-1,3-diols is described where a beta hydroxy ketone is treated with a trialkylborane or dialkylalkoxyborane or a mixture of a trialkylborane and a dialkylalkoxyborane followed by recovery and reuse of the alkylborane species to convert additional beta hydroxy ketone to the cis-1,3-diol.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: November 8, 2005
    Assignee: Warner-Lambert Company, LLC
    Inventors: Robert Lee Bosch, Richard Joseph McCabe, Thomas Norman Nanninga, Robert Joseph Stahl
  • Process for the synthesis of 1,3-diols
    Publication number: 20040006231
    Abstract: An improved process for the preparation of cis-1,3-diols is described where a beta hydroxy ketone is treated with a trialkylborane or dialkylalkoxyborane or a mixture of a trialkylborane and a dialkylalkoxyborane followed by recovery and reuse of the alkylborane species to convert additional beta hydroxy ketone to the cis-1,3-diol.
    Type: Application
    Filed: April 11, 2003
    Publication date: January 8, 2004
    Inventors: Robert Lee Bosch, Richard Joseph McCabe, Thomas Norman Nanninga, Robert Joseph Stahl
  • Process for the synthesis of 1,3-diols
    Patent number: 6596879
    Abstract: An improved process for the preparation of cis-1,3-diols is described where a beta hydroxy ketone is treated with a trialkylborane or dialkylalkoxyborane or a mixture of a trialkylborane and a dialkylalkoxyborane followed by recovery and reuse of the alkylborane species to convert additional beta hydroxy ketone to the cis-1,3-diol.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: July 22, 2003
    Assignee: Warner-Lambert Company
    Inventors: Robert Lee Bosch, Richard Joseph McCabe, Thomas Norman Nanninga, Robert Joseph Stahl
  • Process for the synthesis of 1,3-diols
    Publication number: 20020161021
    Abstract: An improved process for the preparation of cis-1,3-diols is described where a beta hydroxy ketone is treated with a trialkylborane or dialkylalkoxyborane or a mixture of a trialkylborane and a dialkylalkoxyborane followed by recovery and reuse of the alkylborane species to convert additional beta hydroxy ketone to the cis-1,3-diol.
    Type: Application
    Filed: June 11, 2002
    Publication date: October 31, 2002
    Inventors: Robert Lee Bosch, Richard Joseph McCabe, Thomas Norman Nanninga, Robert Joseph Stahl
  • Process for the synthesis of 1,3-diols
    Patent number: 6433213
    Abstract: An improved process for the preparation of cis-1,3-diols is described where a beta hydroxy ketone is treated with a trialkylborane or dialkylalkoxyborane or a mixture of a trialkylborane and a dialkylalkoxyborane followed by recovery and reuse of the alkylborane species to convert additional beta hydroxy ketone to the cis-1,3-diol.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: August 13, 2002
    Assignee: Warner-Lambert Company
    Inventors: Robert Lee Bosch, Richard Joseph McCabe, Thomas Norman Nanninga, Robert Joseph Stahl
  • Crystalline sodium phenytoin monohydrate
    Patent number: 6245917
    Abstract: Crystalline sodium phenytoin monohydrate is stable, nonhygroscopic, and water soluble.
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: June 12, 2001
    Assignee: Warner-Lambert Company
    Inventors: Robert Lee Bosch, Peter Raymond Johnson, Robert Joseph Stahl