Patents by Inventor Mayuri Shaiwale

Mayuri Shaiwale 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).

  • Phosphorus based co-monomer for polyamides
    Patent number: 11015022
    Abstract: The present disclosure relates to a polyamide comprising at least one repeating unit of formula I: —[OC—Ar—O—P(?O)(—Ar)—O—Ar—CO—NH—R—NH]— Formula (I) wherein, Ar is independently selected from the group consisting of aryl, arylene, heteroaryl and carbocyclic group; R represents a covalent bond or a divalent hydrocarbon-based group selected from the group consisting of saturated or unsaturated aliphatics, saturated or unsaturated cycloaliphatics, aromatics, arylaliphatics, and alkylaromatics.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: May 25, 2021
    Assignee: Performance Polyamides, SAS
    Inventors: Gururajan Padmanaban, Kaustav Chakraborty, Mayuri Shaiwale, Imani B. Jones, Keshav S. Gautam
  • PHOSPHORUS BASED CO-MONOMER FOR POLYAMIDES
    Publication number: 20190256656
    Abstract: The present disclosure relates to a polyamide comprising at least one repeating unit of formula I: —[OC—Ar—O—P(=0)(—Ar)—O—Ar—CO—NH—R—NH]— Formula (I) wherein, Ar is independently selected from the group consisting of aryl, arylene, heteroaryl and carbocyclic group; R represents a covalent bond or a divalent hydrocarbon-based group selected from the group consisting of saturated or unsaturated aliphatics, saturated or unsaturated cycloaliphatics, aromatics, arylaliphatics, and alkylaromatics.
    Type: Application
    Filed: October 13, 2017
    Publication date: August 22, 2019
    Applicants: RHODIA OPERATIONS, SOLVAY SPECIALTY POLYMERS USA, L.L.C.
    Inventors: Gururajan Padmanaban, Kaustav Chakraborty, Mayuri Shaiwale, Imani B. Jones, Keshav S. Gautam