Patents by Inventor Sunil S. Dhumal

Sunil S. Dhumal 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 to make low color polyetherimide by halo-displacement and low color polyetherimide
    Patent number: 11505652
    Abstract: A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: November 22, 2022
    Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
    Inventors: Thomas Guggenheim, Jose Roman Galdamez, Javier Nieves Remacha, Juan J. Rodriguez Ordonez, Maria Patricia Forcen Jimenez, Hareesh Shamrao Deshpande, Surya Prakasa Rao Daliparthi, Sunil S. Dhumal, Sivakumar Periyasamy, Srinivas Mahesh Kumar, Siva Kumar Sreeramagiri, Bernabe Quevedo Sanchez
  • PROCESS TO MAKE LOW COLOR POLYETHERIMIDE BY HALO-DISPLACEMENT AND LOW COLOR POLYETHERIMIDE
    Publication number: 20200079909
    Abstract: A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 12, 2020
    Inventors: Thomas Guggenheim, Jose Roman Galdamez, Javier Nieves Remacha, Juan J. Rodriguez Ordonez, Maria Patricia Forcen Jimenez, Hareesh Shamrao Deshpande, Surya Prakasa Rao Daliparthi, Sunil S. Dhumal, Sivakumar Periyasamy, Srinivas Mahesh Kumar, Siva Kumar Sreeramagiri, Bernabe Quevedo Sanchez
  • Polyetherimide with improved color, and methods of manufacture thereof
    Patent number: 10584210
    Abstract: A method of preparing a polyetherimide and an improved polyetherimide are disclosed. Low color polyetherimides are disclosed along with process improvements which produce the reduced color of the final product polymers.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: March 10, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Thomas Guggenheim, Juan Rodriguez Ordonez, Javier Nieves Remacha, Jose Roman Galdamez Pena, Hareesh Shamrao Deshpande, Sunil S. Dhumal, Surya Prakasa Rao Daliparthi, Srinivas Mahesh Kumar, Sivakumar P., Siva Kumar Sreeramagiri, Carmen Rocío Misiego Arpa, Carlos Sanjuan Fernandez, Bernabe Quevedo Sanchez
  • Process to make low color polyetherimide by halo-displacement and low color polyetherimide
    Patent number: 10526449
    Abstract: A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: January 7, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Thomas Guggenheim, Jose Roman Galdamez, Javier Nieves Remacha, Juan J. Rodriguez Ordonez, Maria Patricia Forcen Jimenez, Hareesh Shamrao Deshpande, Surya Prakasa Rao Daliparthi, Sunil S. Dhumal, Sivakumar Periyasamy, Srinivas Mahesh Kumar, Siva Kumar Sreeramagiri, Bernabe Quevedo Sanchez
  • PROCESS TO MAKE LOW COLOR POLYETHERIMIDE BY HALO-DISPLACEMENT AND LOW COLOR POLYETHERIMIDE
    Publication number: 20180044474
    Abstract: A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.
    Type: Application
    Filed: February 26, 2016
    Publication date: February 15, 2018
    Inventors: Thomas Guggenheim, Jose Roman Galdamez, Javier Nieves Remacha, Juan J. Rodriguez Ordonez, Maria Patricia Forcen Jimenez, Hareesh Shamrao Deshpande, Surya Prakasa Rao Daliparthi, Sunil S. Dhumal, Sivakumar Periyasamy, Srinivas Mahesh Kumar, Siva Kumar Sreeramagiri, Bernabe Quevedo Sanchez
  • POLYETHERIMIDE WITH IMPROVED COLOR, AND METHODS OF MANUFACTURE THEREOF
    Publication number: 20180037699
    Abstract: A method of preparing a polyetherimide and an improved polyetherimide are disclosed. Low color polyetherimides are disclosed along with process improvements which produce the reduced color of the final product polymers.
    Type: Application
    Filed: February 26, 2016
    Publication date: February 8, 2018
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Thomas Guggenheim, Juan Rodriguez Ordonez, Javier Nieves Remacha, Jose Roman Galdamez Pena, Hareesh Shamrao Deshpande, Sunil S. Dhumal, Surya Prakasa Rao Daliparthi, Srinivas Mahesh Kumar, Sivakumar P., Siva Kumar Sreeramagiri, Carmen Rocío Misiego Arpa, Carlos Sanjuan Fernandez, Bernabe Quevedo Sanchez