Patents by Inventor Michael Dale Johnson

Michael Dale Johnson 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).

  • Intermediate for (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-&agr;]imidazol-2-one
    Patent number: 6458986
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-&agr;]imidazol-2-one (1): This compound is useful as an intermediate in the preparation of certain small molecules that are useful in the treatment or prevention of inflammatory and immune cell-mediated diseases. The present invention also relates to certain intermediates used in this novel process.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: October 1, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • Intermediate for (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one
    Patent number: 6441183
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo [1,2-&agr;]imidazol-2-one (1): This compound is useful as an intermediate in the preparation of certain small molecules that are useful in the treatment or prevention of inflammatory and immune cell-mediated diseases. The present invention also relates to certain intermediates used in this novel process.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: August 27, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • Intermediates for (R)-3(4-bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one
    Patent number: 6437148
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one (1): This compound is useful as an intermediate in the preparation of certain small molecules that are useful in the treatment or prevention of inflammatory and immune cell-mediated diseases. The present invention also relates to certain intermediates used in this novel process.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: August 20, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • (R)-3-(4-bromobenzyl)-1-(3,5-dichlorophenyl)-3-methyl-1,6-dihydroimidazo[1,2-a]imidazole-2,5-dione
    Patent number: 6433183
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-&agr;]imidazol-2-one (1): This compound is useful as an intermediate in the preparation of certain small molecules that are useful in the treatment or prevention of inflammatory and immune cell-mediated diseases. The present invention also relates to certain intermediates used in this novel process.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: August 13, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • INTERMEDIATES FOR (R)-3(4-BROMOBENZYL)-1-(3,5-DICHLOROPHENYL)-5-IODO-3-METHYL-1-H-IMIDAZO[1,2-A] IMIDAZOL-2-ONE
    Publication number: 20020087009
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1 ,2-a]imidazol-2-one (1): 1
    Type: Application
    Filed: February 15, 2002
    Publication date: July 4, 2002
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • Synthesis of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one
    Patent number: 6414161
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl- 1-H-imidazo[ 1 ,2-a]imidazol-2-one (1): This compound is useful as an intermediate in the preparation of certain small molecules that are useful in the treatment of prevention of inflammatory and immune cell-mediated diseases. The present invention also relates to certain intermediates used in this novel process.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: July 2, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • INTERMEDIATE FOR (R)-3-(4-BROMOBENZYL)-1-(3,5-DICHLOROPHENYL)-5-IODO-3-METHYL-1-H-IMIDAZO[1,2-A]IMIDAZOL-2-ONE
    Publication number: 20020082441
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one (1): 1
    Type: Application
    Filed: February 15, 2002
    Publication date: June 27, 2002
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • (R)-3-(4-BROMOBENYL)-1(,5-DICHLOROPHENYL) -3 METHYL-1,6-DIHYDROIMIDAZOLE-2,5-DIONE
    Publication number: 20020072615
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one (1): 1
    Type: Application
    Filed: February 15, 2002
    Publication date: June 13, 2002
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • Synthesis of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one
    Publication number: 20020072610
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one (1): 1
    Type: Application
    Filed: February 15, 2002
    Publication date: June 13, 2002
    Inventors: Rogelio P. Frutos, Michael Dale Johnson
  • Synthesis of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-a]imidazol-2-one
    Publication number: 20020028949
    Abstract: A novel process for the preparation of (R)-3-(4-Bromobenzyl)-1-(3,5-dichlorophenyl)-5-iodo-3-methyl-1-H-imidazo[1,2-&agr;]imidazol-2-one (1): 1
    Type: Application
    Filed: July 31, 2001
    Publication date: March 7, 2002
    Inventors: Rogelio P. Frutos, Michael Dale Johnson