Patents by Inventor Stephen T. Heller

Stephen T. Heller 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 PREPARATION OF 2-SUBSTITUTED-5-(1-ALKYLTHIO)ALKYLPYRIDINES
    Publication number: 20100168437
    Abstract: 2-Substituted-5-(1-alkylthio)alkylpyridines are produced efficiently and in high yield by cyclization and thioalkylation.
    Type: Application
    Filed: March 12, 2010
    Publication date: July 1, 2010
    Applicant: DOW AGROSCIENCES LLC
    Inventors: Stephen T. Heller, Ronald Ross, Nicholas M. Irvine, James M. Renga, Mark W. Zettler, Kim E. Arndt
  • Process for the preparation of 2-substituted-5-(1-alkylthio)alkylpyridines
    Patent number: 7705154
    Abstract: 2-Substituted-5-(1-alkylthio)alkylpyridines are produced efficiently and in high yield by cyclization and thioalkylation.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: April 27, 2010
    Assignee: Dow AgroSciences LLC
    Inventors: Stephen T. Heller, Ronald Ross, Nicholas M. Irvine, James M. Renga, Mark W. Zettler, Kim E. Arndt
  • Process for the preparation of 2-substituted-5-(1-alkylthio)alkylpyridines
    Publication number: 20080132705
    Abstract: 2-Substituted-5-(1-alkylthio)alkylpyridines are produced efficiently and in high yield by cyclization and thioalkylation.
    Type: Application
    Filed: February 9, 2007
    Publication date: June 5, 2008
    Inventors: Stephen T. Heller, Ronald Ross, Nicholas M. Irvine, James M. Renga, Mark M. Zettler, Kim E. Erndt