Patents by Inventor John E. Chubb, III

John E. Chubb, III 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).

  • Processes for producing N-alkylpyrazole
    Patent number: 8178696
    Abstract: Processes are provided for combining nonsubstituted hydrazine (N2H4), a strong acid, alcohol, and tetraalkoxypropane to produce N-alkylpyrazole.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: May 15, 2012
    Assignee: Albemarle Corporation
    Inventors: John E. Chubb, III, John J. Pascavage
  • Methods for production of 1,2,4-triazol-3-one
    Patent number: 8178691
    Abstract: Novel methods for producing 1,2,4-triazol-3-one from semicarbazide hydrochloride and formic acid are provided. In methods of this invention, water is used in removal of unreacted formic acid to increase yield and purity of produced 1,2,4-triazol-3-one.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: May 15, 2012
    Assignee: Albemarle Corporation
    Inventors: Stephen E. Belmont, John E. Chubb, III
  • METHODS FOR PRODUCTION OF 1,2,4-TRIAZOL-3-ONE
    Publication number: 20110201822
    Abstract: Novel methods for producing 1,2,4-triazol-3-one from semicarbazide hydrochloride and formic acid are provided. In methods of this invention, water is used in removal of unreacted formic acid to increase yield and purity of produced 1,2,4-triazol-3-one.
    Type: Application
    Filed: September 18, 2008
    Publication date: August 18, 2011
    Applicant: Albemarle Corporation
    Inventors: Stephen E. Belmont, John E. Chubb, III