Patents by Inventor Muthuvelu Thirugnanam

Muthuvelu Thirugnanam 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: 5571829
    Abstract: Insecticidal compositions comprising a cytochrome P450 enzyme inhibitor compounds and an N,N'-dibenzoyl-N'-tert-alkyl-hydrazine have been discovered which exhibit enhanced efficacy over composition with an N,N'-dibenzoyl-N'-tert-alkylhydrazine alone.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 5, 1996
    Assignee: Rohm and Haas Company
    Inventor: Muthuvelu Thirugnanam
  • Patent number: 5510363
    Abstract: Insecticidal compositions comprising a cytochrome P450 enzyme inhibitor compounds and an N,N'-dibenzoyl-N'-tert-alkyl-hydrazine have been discovered which exhibit enhanced efficacy over composition with an N,N'-dibenzoyl-N'-tert-alkylhydrazine alone.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: April 23, 1996
    Assignee: Rohm and Haas Company
    Inventor: Muthuvelu Thirugnanam
  • Patent number: 5506251
    Abstract: Insecticidal compositions comprising a cytochrome P450 enzyme inhibitor compounds and an N,N'-dibenzoyl-N'-tert-alkyl-hydrazine have been discovered which exhibit enhanced efficacy over composition with an N,N'-dibenzoyl-N'-tertalkylhydrazine alone.
    Type: Grant
    Filed: November 16, 1994
    Date of Patent: April 9, 1996
    Assignee: Rohm and Haas Company
    Inventor: Muthuvelu Thirugnanam
  • Patent number: 5470984
    Abstract: This invention relates to 1-dimethylcarbamoyl-3-substituted-5-substituted-1H-1,2,4-triazoles as defined herein, compositions containing those compounds and methods of use.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: November 28, 1995
    Assignee: Shell Research Limited
    Inventors: Richard M. Jacobson, J. Roger Ramsay, Harold E. Aller, Muthuvelu Thirugnanam
  • Patent number: 5319092
    Abstract: This invention relates to 1-dimethylcarbamoyl-3-substituted-5-substituted-1H-1,2,4-triazoles as defined herein, compositions containing those compounds and methods of use.
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: June 7, 1994
    Assignee: Shell Research Limited
    Inventors: Richard M. Jacobson, J. Roger Ramsay, Harold E. Aller, Muthuvelu Thirugnanam
  • Patent number: 5120745
    Abstract: This invention relates to 1-dimethylcarbamoyl-3-substituted-5-substituted-1H-1,2,4-triazoles of the formula ##STR1## wherein the substituents are as defined herein, compositions containing those compounds and methods of use.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: June 9, 1992
    Assignee: Shell Internationale Research Maatschappij B.V.
    Inventors: Richard M. Jacobson, Luong T. Nguyen, Muthuvelu Thirugnanam
  • Patent number: 4970224
    Abstract: This invention relates to 1-dimethylcarbamoyl-3-substituted-5-substituted-1H-1,2,4-triazoles of the formula ##STR1## wherein the substituents are as defined herein, compositions containing those compounds and methods of use.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: November 13, 1990
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Luong T. Nguyen, Muthuvelu Thirugnanam
  • Patent number: 4742072
    Abstract: This invention relates to 1-dimethylcarbamoyl-3-t-butyl-5-(carboalkoxy)-alkylthio-1H-1,2,4-triazoles as defined herein, compositions containing those compounds and methods of use.
    Type: Grant
    Filed: July 25, 1985
    Date of Patent: May 3, 1988
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Muthuvelu Thirugnanam