Patents by Inventor Martin P. Grendze

Martin P. Grendze 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 converting carboxamides to thiocarboxamides
    Patent number: 10414723
    Abstract: Process for converting a carboxamide to a thiocarboxamide includes reacting (a) a substrate that comprises a heteroatom-containing moiety and a carboxamide moiety with (b) a dialkyl dithiophosphate and/or a salt thereof. The heteroatom-containing moiety includes a heteroatom selected from the group consisting of N, O, and S. Processes for preparing piperidine-4-thiocarboxamide are described.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: September 17, 2019
    Assignee: VERTELLUS HOLDINGS LLC
    Inventors: Martin P. Grendze, Ramiah Murugan
  • PROCESSES FOR CONVERTING CARBOXAMIDES TO THIOCARBOXAMIDES
    Publication number: 20180118675
    Abstract: Process for converting a carboxamide to a thiocarboxamide includes reacting (a) a substrate that comprises a heteroatom-containing moiety and a carboxamide moiety with (b) a dialkyl dithiophosphate and/or a salt thereof. The heteroatom-containing moiety includes a heteroatom selected from the group consisting of N, O, and S. Processes for preparing piperidine-4-thiocarboxamide are described.
    Type: Application
    Filed: May 6, 2016
    Publication date: May 3, 2018
    Applicant: Vertellus Holdings LLC
    Inventors: Martin P. GRENDZE, Ramiah MURUGAN
  • Chichibabin aminations of pyridine bases
    Patent number: 5808081
    Abstract: Improved Chichibabin aminations of pyridine bases are described which are conducted under a pressurized gas phase containing ammonia and in the presence of a selected additive which increases the reaction rate, and also in preferred processes favorably alters the isomer ratios and product yields from the aminations while benefiting product workup and recovery as well.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: September 15, 1998
    Assignee: Reilly Industries, Inc.
    Inventors: Phillip B. Lawin, Angela R. Sherman, Martin P. Grendze