Patents by Inventor Sunil DHAMANIYA

Sunil DHAMANIYA 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).

  • Ziegler-Natta catalyst system with self-extinguishing properties suitable for olefin polymerization
    Patent number: 11613592
    Abstract: The present disclosure relates to a Ziegler-Natta catalyst system with self-extinguishing properties suitable for olefin polymerization. The catalyst system of the present disclosure comprises a pro-catalyst, a co-catalyst, and an external donor having a mixture of a selectivity control agent and an activity control agent. The catalyst system of the present disclosure is adapted to prevent the temperature of the polymerization reaction to go beyond the softening temperature of the polymer, thereby exhibiting the self-extinguishing properties.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: March 28, 2023
    Assignee: RELIANCE INDUSTRIES LIMITED
    Inventors: Virendrakumar Gupta, Robert Grubbs, Sunil Dhamaniya
  • A ZIEGLER-NATTA CATALYST SYSTEM WITH SELF-EXTINGUISHING PROPERTIES SUITABLE FOR OLEFIN POLYMERIZATION
    Publication number: 20210024662
    Abstract: The present disclosure relates to a Ziegler-Natta catalyst system with self-extinguishing properties suitable for olefin polymerization. The catalyst system of the present disclosure comprises a pro-catalyst, a co-catalyst, and an external donor having a mixture of a selectivity control agent and an activity control agent. The catalyst system of the present disclosure is adapted to prevent the temperature of the polymerization reaction to go beyond the softening temperature of the polymer, thereby exhibiting the self-extinguishing properties.
    Type: Application
    Filed: February 7, 2019
    Publication date: January 28, 2021
    Applicant: RELIANCE INDUSTRIES LIMITED
    Inventors: Virendrakumar GUPTA, Robert GRUBBS, Sunil DHAMANIYA
  • Ziegler-Natta catalyst composition for preparing polyethylene
    Patent number: 10344103
    Abstract: The Zigler-Natta catalyst composition of the present disclosure provides uniform polyethylene having a molecular weight in the range from 1 million g/mol to 12 million g/mol. The Zigler-Natta catalyst composition of the present disclosure comprises external electron donor selected from the group consisting of substituted silanediyl diacetate, trialkyl borate and tetraalkoxysilane.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: July 9, 2019
    Assignee: Reliance Industries Limited
    Inventors: Virendrakumar Gupta, Hiren Manojkumar Bhajiwala, Sunil Dhamaniya, Amarjyoti Kalita, Ramesh Joshi
  • Ziegler-Natta Catalyst Composition for Preparing Polyethylene
    Publication number: 20170306061
    Abstract: The Zigler-Natta catalyst composition of the present disclosure provides uniform polyethylene having a molecular weight in the range from 1 million g/mol to 12 million g/mol. The Zigler-Natta catalyst composition of the present disclosure comprises external electron donor selected from the group consisting of substituted silanediyl diacetate, trialkyl borate and tetraalkoxysilane.
    Type: Application
    Filed: September 11, 2015
    Publication date: October 26, 2017
    Inventors: Virendrakumar GUPTA, Hiren Manojkumar BHAJIWALA, Sunil DHAMANIYA, Amarjyoti KALITA, Ramesh JOSHI