Patents by Inventor Tinker MCBRAYER

Tinker MCBRAYER 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 4-amino-N-tert-butyl-4,5-dihydro-3-isopropyl-5-oxo-1H-1,2,4-triazole-1-carboxamide (Amicarbazone)
    Patent number: 11814358
    Abstract: The present invention relates to an improved process for the preparation of 4-amino-N-tert-butyl-4,5-dihydro-3-isopropyl-5-oxo-1H-1,2,4-triazole-1-carboxamide (Amicarbazone). The present invention more particularly relates to an improved process for the preparation of 4-amino-N-tert-butyl-4,5-dihydro-3-isopropyl-5-oxo-1H-1,2,4-triazole-1-carboxamide (Amicarbazone) by coupling of 4-Amino-2,4-dihydro-5-(1-methylethyl)-3H-1,2,4-triazol-3-one (TAZ) and poor quality tert-Butyl isocyanate (TBIC) with purity less than or equal to 98%, preferably less than or equal to 85%.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: November 14, 2023
    Assignee: UPL LIMITED
    Inventors: Vic Prasad, Tinker McBrayer, Leandro Alves, Luiz Campos, Raj Arora, Raj Tiwari
  • Process for the Preparation of 4-amino-N-tert-butyl-4,5-dihydro-3-isopropyl-5-oxo-1H-1,2,4-triazole-1-carboxamide (Amicarbazone)
    Publication number: 20220177436
    Abstract: The present invention relates to an improved process for the preparation of 4-amino-N-tert-butyl-4,5-dihydro-3-isopropyl-5-oxo-1H-1,2,4-triazole-1-carboxamide (Amicarbazone). The present invention more particularly relates to an improved process for the preparation of 4-amino-N-tert-butyl-4,5-dihydro-3-isopropyl-5-oxo-1H-1,2,4-triazole-1-carboxamide (Amicarbazone) by coupling of 4-Amino-2,4-dihydro-5-(1-methylethyl)-3H-1,2,4-triazol-3-one (TAZ) and poor quality tert-Butyl isocyanate (TBIC) with purity less than or equal to 98%, preferably less than or equal to 85%.
    Type: Application
    Filed: August 12, 2021
    Publication date: June 9, 2022
    Applicant: UPL LIMITED
    Inventors: Vic PRASAD, Tinker MCBRAYER, LEANDRO ALVES, Luiz CAMPOS, Raj ARORA, Raj TIWARI