Patents by Inventor Donald Eugene Butler

Donald Eugene Butler 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: 7361771
    Abstract: An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: April 22, 2008
    Assignee: Warner-Lambert Company
    Inventors: Donald Eugene Butler, Randall Lee Dejong, Jade Douglas Nelson, Michael Gerard Pamment, Timothy Lee Stuk
  • Patent number: 7183408
    Abstract: An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.
    Type: Grant
    Filed: April 19, 2005
    Date of Patent: February 27, 2007
    Assignee: Warner-Lambert Company, LLC
    Inventors: Donald Eugene Butler, Randall Lee DeJong, Jade Douglas Nelson, Michael Gerard Pamment, Timothy Lee Stuk
  • Patent number: 7141608
    Abstract: Alcohol and water solvates of 6-(5-carboxy-5-methyl-hexyloxy)-2,2-dimethylhexanoic acid monocalcium salt are crystalline and have the formula wherein R1 is H or lower alkyl, and x is a number from 0 to 10, and are useful for treating dyslipidemia.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: November 28, 2006
    Assignee: Warmer-Lambert Company LLC
    Inventors: Howard Yoshihisa Ando, Donald Eugene Butler, Gary Jay Dozeman
  • Patent number: 6933393
    Abstract: An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: August 23, 2005
    Assignee: Warner-Lambert Company LLC
    Inventor: Donald Eugene Butler
  • Patent number: 6861555
    Abstract: Alcohol and water solvates of 6-(5-carboxy-5-methyl-hexyloxy)-2,2-dimethylhexanoic acid monocalcium salt are crystalline and have the formula (I), wherein R1 is H or lower alkyl, and x is a number from 0 to 10, and are useful for treating dyslipidemia.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: March 1, 2005
    Assignee: Warner-Lambert Company
    Inventors: Howard Yoshihisa Ando, Donald Eugene Butler, Gary Jay Dozeman
  • Publication number: 20030212118
    Abstract: arboxyalkcylethers are useful for treating eating disorders such as obesity.
    Type: Application
    Filed: November 5, 2002
    Publication date: November 13, 2003
    Inventors: Bruce Jeffrey Auerbach, Donald Eugene Butler
  • Publication number: 20030195353
    Abstract: An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.
    Type: Application
    Filed: January 21, 2003
    Publication date: October 16, 2003
    Inventors: Donald Eugene Butler, Randall Lee Dejong, Jade Douglas Nelson, Michael Gerard Pamment, Timothy Lee Stuk
  • Publication number: 20030119912
    Abstract: Alcohol and water solvates of 6-(5-carboxy-5-methyl-hexyloxy)-2,2-dimethylhexonoic acid monocalcium salt are crystalline and have the formula (I), wherein R1 is H or lower alkyl, and x is a number from 0 to 10, and are useful for treating dyslipidemia.
    Type: Application
    Filed: December 17, 2001
    Publication date: June 26, 2003
    Inventors: Howard Yoshihisa Ando, Donald Eugene Butler, Gary Jay Dozeman
  • Patent number: 6545153
    Abstract: An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: April 8, 2003
    Assignee: Warner-Lambert Company
    Inventors: Donald Eugene Butler, Randall Lee Dejong, Jade Douglas Nelson, Michael Gerard Pamment, Timothy Lee Stuk
  • Patent number: 6476235
    Abstract: An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: November 5, 2002
    Assignee: Warner-Lambert Company
    Inventors: Donald Eugene Butler, Randall Lee DeJong, Jade Douglas Nelson, Michael Gerard Pamment, Timothy Lee Stuk
  • Publication number: 20020133026
    Abstract: An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.
    Type: Application
    Filed: December 17, 2001
    Publication date: September 19, 2002
    Inventors: Donald Eugene Butler, Randall Lee DeJong, Jade Douglas Nelson, Michael Gerard Pamment, Timothy Lee Stuk
  • Patent number: 5710277
    Abstract: An improved process for the preparation of R(+)1,2,3,6-tetrahydro-4-phenyl-1-?(3-phenyl-3-cyclohexen-1-yl)methyl!pyri dine by a novel synthesis is described where 5-oxo-3-phenyl-3-cyclohexene-carboxylic acid is converted in five operations to the desired product, as well as processes for the resolution of 5-oxo-3-phenyl-3-cyclohexenecarboxylic acid using cinchonidine to afford (S)5-oxo-3-phenyl-3-cyclohexenecarboylic acid or .alpha.-chymotrypsin to selectively hydrolyze n-butyl 5-oxo-3-phenyl-3-cycohexenecarboxylate to afford (S)5-oxo-3-phenyl-3-cyclohexenecarboxylic acid as well as other valuable intermediates used in the processes.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: January 20, 1998
    Assignee: Warner-Lambert Company
    Inventors: Donald Eugene Butler, Jodette Gailey, Tung Van Le, William John Smith, III, David Juergen Wustrow
  • Patent number: 4111943
    Abstract: 3-(Thienyloxy)pyridines and acid-addition salts thereof, which are useful as pharmacological agents, especially in the area of psychostimulants, are disclosed. These compounds can be produced by reacting a halothiophene with a metallic salt of 3-hydroxypyridine.
    Type: Grant
    Filed: April 20, 1977
    Date of Patent: September 5, 1978
    Assignee: Warner-Lambert Company
    Inventor: Donald Eugene Butler