Patents by Inventor Supratim Chakraborty

Supratim Chakraborty 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).

  • Patent number: 9409143
    Abstract: A process conducts organic reactions in a standalone laboratory scale solar photo thermo chemical reactor. For organic reactions require elevated temperature, light and mechanical agitation, all three energy forms can be simultaneously derived from solar radiation. Organic synthesis, such as bromination of toluene derivatives (benzylic bromination), bromination of cyclic acyclic hydrocarbon and oxidative cyclization of N-phenylethyl benzamide through bromination were successfully conducted in such reactors.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: August 9, 2016
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Pushpito Kumar Ghosh, Supratim Chakraborty, Milan Dinda, Subarna Maiti, Chitrangi Bankimbhai Bhatt, Jitendra Narsinhbhai Bharadia, Pankaj Arvindbhai Patel, Pratap Shashikant Bapat
  • Publication number: 20150196891
    Abstract: A process conducts organic reactions in a standalone laboratory scale solar photo thermo chemical reactor. For organic reactions require elevated temperature, light and mechanical agitation, all three energy forms can be simultaneously derived from solar radiation. Organic synthesis, such as bromination of toluene derivatives (benzylic bromination), bromination of cyclic acyclic hydrocarbon and oxidative cyclization of N-phenylethyl benzamide through bromination were successfully conducted in such reactors.
    Type: Application
    Filed: July 9, 2013
    Publication date: July 16, 2015
    Inventors: Pushpito Kumar Ghosh, Supratim Chakraborty, Milan Dinda, Subarna Maiti, Chitrangi Bankimbhai Bhatt, Jitendra Narsinhbhai Bharadia, Pankaj Arvindbhai Patel, Pratap Shashikant Bapat
  • Patent number: 8774817
    Abstract: There is provided a method, in a wireless communications device, the method comprising: receiving from a first RAT a reject message, the reject message indicating a period of time; camping on a cell of a second RAT; disallowing camping on a cell of the first RAT unless at least one of the following criteria are met: the period of time has elapsed; and the wireless communications device receives a further message indicating that the first RAT has confirmed it will accept a connection from the wireless communications device.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: July 8, 2014
    Assignee: BlackBerry Limited
    Inventors: Supratim Chakraborty, Andrew Farnsworth
  • Patent number: 8588170
    Abstract: A method, in a wireless communications device, for transitioning between communication states, the wireless communications device compliant for use in a Universal Mobile Telecommunications System (UMTS), the method comprising: checking for radio bearer mapping information for the communication state being transitioned to prior to sending an update message, where the transition between communication states is not a transition from a paging state to a bidirectional communication state using shared channels; and transitioning to the state to be transitioned to using the checked radio bearer mapping information for that state and sending the update message.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: November 19, 2013
    Assignee: BlackBerry Limited
    Inventors: Andrew John Farnsworth, Supratim Chakraborty
  • Patent number: 8391231
    Abstract: A method, in a wireless communications device, for transitioning between communication states, the wireless communications device compliant for use in a Universal Mobile Telecommunications System (UMTS), the method comprising: checking for radio bearer mapping information for the communication state being transitioned to prior to sending an update message, where the transition between communication states is not a transition from a paging state to a bidirectional communication state using shared channels; and transitioning to the state to be transitioned to using the checked radio bearer mapping information for that state and sending the update message.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: March 5, 2013
    Assignee: Research In Motion Limited
    Inventors: Andrew John Farnsworth, Supratim Chakraborty
  • Publication number: 20120064877
    Abstract: A method, in a wireless communications device, for transitioning between communication states, the wireless communications device compliant for use in a Universal Mobile Telecommunications System (UMTS), the method comprising: checking for radio bearer mapping information for the communication state being transitioned to prior to sending an update message, where the transition between communication states is not a transition from a paging state to a bidirectional communication state using shared channels; and transitioning to the state to be transitioned to using the checked radio bearer mapping information for that state and sending the update message.
    Type: Application
    Filed: November 18, 2011
    Publication date: March 15, 2012
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Andrew Farnsworth, Supratim Chakraborty
  • Patent number: 8078184
    Abstract: A method, in a wireless communications device, for transitioning between communication states, the wireless communications device compliant for use in a Universal Mobile Telecommunications System (UMTS), the method comprising: checking for radio bearer mapping information for the communication state being transitioned to prior to sending an update message, where the transition between communication states is not a transition from a paging state to a bidirectional communication state using shared channels; and transitioning to the state to be transitioned to using the checked radio bearer mapping information for that state and sending the update message.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: December 13, 2011
    Assignee: Research In Motion Limited
    Inventors: Andrew Farnsworth, Supratim Chakraborty
  • Publication number: 20110081887
    Abstract: There is provided a method, in a wireless communications device, the method comprising: receiving from a first RAT a reject message, the reject message indicating a period of time; camping on a cell of a second RAT; disallowing camping on a cell of the first RAT unless at least one of the following criteria are met: the period of time has elapsed; and the wireless communications device receives a further message indicating that the first RAT has confirmed it will accept a connection from the wireless communications device.
    Type: Application
    Filed: September 30, 2010
    Publication date: April 7, 2011
    Applicant: M-STACK LIMITED
    Inventors: Supratim Chakraborty, Andrew Farnsworth
  • Publication number: 20090280839
    Abstract: A method, in a wireless communications device, for transitioning between communication states, the wireless communications device compliant for use in a Universal Mobile Telecommunications System (UMTS), the method comprising: checking for radio bearer mapping information for the communication state being transitioned to prior to sending an update message, where the transition between communication states is not a transition from a paging state to a bidirectional communication state using shared channels; and transitioning to the state to be transitioned to using the checked radio bearer mapping information for that state and sending the update message.
    Type: Application
    Filed: May 8, 2008
    Publication date: November 12, 2009
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Andrew FARNSWORTH, Supratim CHAKRABORTY