Patents by Inventor Collin Chan

Collin Chan 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).

  • Publication number: 20220177482
    Abstract: The invention generally relates to an improved process for the preparation of N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1,5-a][1,3,5]triazin-4-ylamino)-2-oxopyrrolidin-1-yl)cyclohexyl)acetamide, as well as novel intermediates employed in the process, which may be useful for the treatment of cancer.
    Type: Application
    Filed: February 22, 2022
    Publication date: June 9, 2022
    Inventors: Burcu Selin Aytar, Alina Borovika, Collin Chan, Joerg Deerberg, Nathan R. Domagalski, Martin D. Eastgate, Yu Fan, Michael David Bengt Fenster, Robert V. Forest, Francisco Gonzalez-Bobes, Rebecca A. Green, Matthew R. Hickey, Nathaniel David Kopp, Thomas E. La Cruz, Kathleen Lauser, Hong Geun Lee, David K. Leahy, Helen Y. Luo, Thomas M. Razler, Scott A. Savage, Chris Sfouggatakis, Maxime C.D. Soumeillant, Serge Zaretsky, Bin Zheng, Ye Zhu
  • Patent number: 11254679
    Abstract: The invention generally relates to an improved process for the preparation of N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1,5-a][1,3,5]triazin-4-ylamino)-2-oxopyrrolidin-1-yl)cyclohexyl)acetamide, as well as novel intermediates employed in the process, which may be useful for the treatment of cancer.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: February 22, 2022
    Assignee: Bristol-Myers Squibb Company
    Inventors: Burcu Selin Aytar, Alina Borovika, Collin Chan, Joerg Deerberg, Nathan R. Domagalski, Martin D. Eastgate, Yu Fan, Michael David Bengt Fenster, Robert V. Forest, Francisco Gonzalez-Bobes, Rebecca A. Green, Matthew R. Hickey, Nathaniel David Kopp, Thomas E. La Cruz, Kathleen Lauser, Hong Geun Lee, David K. Leahy, Helen Y. Luo, Thomas M. Razler, Scott A. Savage, Chris Sfouggatakis, Maxime C. D. Soumeillant, Serge Zaretsky, Bin Zheng, Ye Zhu
  • Publication number: 20200223852
    Abstract: The invention generally relates to an improved process for the preparation of N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1,5-a][1,3,5]triazin-4-ylamino)-2-oxopyrrolodin-1-yl)cyclohexyl)acetamide, as well as novel intermediates employed in the process, which may be useful for the treatment of cancer.
    Type: Application
    Filed: July 19, 2018
    Publication date: July 16, 2020
    Inventors: Burcu Selin Aytar, Alina Borovika, Collin Chan, Joerg Deerberg, Nathan R. Domagalski, Martin D. Eastgate, Yu Fan, Michael David Bengt Fenster, Robert V. Forest, Francisco Gonzalez-Bobes, Rebecca A. Green, Matthew R. Hickey, Nathaniel David Kopp, Thomas E. La Cruz, Kathleen Lauser, Hong Geun Lee, David K. Leahy, Helen Y. Luo, Thomas M. Razler, Scott A. Savage, Chris Sfouggatakis, Maxime C.D. Soumeillant, Serge Zaretsky, Bin Zheng, Ye Zhu
  • Patent number: 10384299
    Abstract: The described embodiments relate generally to adjusting output or conditioning of an electron beam. More specifically various configurations are disclosed that relate to maintaining a footprint of the electron beam incident to a workpiece within a defined energy level. Such a configuration allows the electron beam to heat only specific portions of the workpiece to a superheated state in which intermetallic compounds are dissolved. In one embodiment a mask is disclosed that prevents low energy portions of an electron beam from contacting the workpiece. In another embodiment the electron beam can be focused in a way that maintains the electron beam at an energy level such that substantially all of the electron beam is above a threshold energy level.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: August 20, 2019
    Assignee: Apple Inc.
    Inventors: Simon R. Lancaster-Larocque, Collin Chan, Kensuke Uemura, Purwadi Raharjo
  • Patent number: 9718845
    Abstract: The disclosure generally relates to a process for the preparation of compounds of formula I, including synthetic intermediates which are useful in the process.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: August 1, 2017
    Assignee: Bristol-Myers Squibb Company
    Inventors: David K. Leahy, Yu Fan, Collin Chan, Lopa V. Desai, Sunil S. Patel, Masano Sugiyama
  • Publication number: 20160340373
    Abstract: The disclosure generally relates to a process for the preparation of compounds of formula I, including synthetic intermediates which are useful in the process.
    Type: Application
    Filed: August 1, 2016
    Publication date: November 24, 2016
    Inventors: David K. Leahy, Yu Fan, Collin Chan, Lopa V. Desai, Sunil S. Patel, Masano Sugiyama
  • Publication number: 20150361047
    Abstract: The disclosure generally relates to a process for the preparation of compounds of formula I, including synthetic intermediates which are useful in the process.
    Type: Application
    Filed: August 24, 2015
    Publication date: December 17, 2015
    Inventors: David K. Leahy, Yu Fan, Collin Chan, Lopa V. Desai, Sunil S. Patel, Masano Sugiyama
  • Publication number: 20150099887
    Abstract: The disclosure generally relates to a process for the preparation of compounds of formula I, including synthetic intermediates which are useful in the process.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 9, 2015
    Inventors: David K. Leahy, Yu Fan, Collin Chan, Lopa V. Desai, Sunil S. Patel, Masano Sugiyama
  • Publication number: 20150001192
    Abstract: The described embodiments relate generally to adjusting output or conditioning of an electron beam. More specifically various configurations are disclosed that relate to maintaining a footprint of the electron beam incident to a workpiece within a defined energy level. Such a configuration allows the electron beam to heat only specific portions of the workpiece to a superheated state in which intermetallic compounds are dissolved. In one embodiment a mask is disclosed that prevents low energy portions of an electron beam from contacting the workpiece. In another embodiment the electron beam can be focused in a way that maintains the electron beam at an energy level such that substantially all of the electron beam is above a threshold energy level.
    Type: Application
    Filed: June 26, 2013
    Publication date: January 1, 2015
    Inventors: Simon R. Lancaster-Larocque, Collin Chan, Kensuke Uemura, Purwadi Raharjo
  • Publication number: 20140135500
    Abstract: The disclosure generally relates to a process for the preparation of compounds of formula I, including synthetic intermediates which are useful in the process.
    Type: Application
    Filed: January 16, 2014
    Publication date: May 15, 2014
    Inventors: David K. Leahy, Yu Fan, Collin Chan, Lopa V. Desai, Sunil S. Patel, Masano Sugiyama
  • Patent number: 8669368
    Abstract: The disclosure generally relates to a process for the preparation of compounds of formula I, including synthetic intermediates which are useful in the process.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: March 11, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: David K. Leahy, Yu Fan, Collin Chan, Lopa V. Desai, Sunil S. Patel, Masano Sugiyama
  • Publication number: 20130225050
    Abstract: An apparatus for lapping a portion of an exterior surface of a housing is described. The apparatus includes at least a lapping tool arranged to execute a lapping operation. The lapping tool takes the form of a lapping pad which includes a conduit through which slurry can be transported for local deposition on the housing during a lapping operation. The apparatus also includes a stage on which a workpiece in the form of a housing is mounted. During the lapping operation, slurry is passed through the slurry conduit in the lapping tool, the lapping tool and the housing are moved in various motions. In this way, a gradual transition region is created between an accessory region and the remainder of the housing.
    Type: Application
    Filed: September 12, 2012
    Publication date: August 29, 2013
    Applicant: Apple Inc.
    Inventors: Collin Chan, Brian Miehm, Simon Lancaster-Larocque, Ryan M. Satcher
  • Publication number: 20120245356
    Abstract: The disclosure generally relates to a process for the preparation of compounds of formula I, including synthetic intermediates which are useful in the process.
    Type: Application
    Filed: September 19, 2011
    Publication date: September 27, 2012
    Inventors: David K. Leahy, Yu Fan, Collin Chan, Lopa V. Desai, Sunil S. Patel, Masano Sugiyama
  • Publication number: 20090325971
    Abstract: The present invention relates to Pentacyclic Alkaloid Compounds, compositions comprising an effective amount of a Pentacyclic Alkaloid Compound and methods for treating or preventing cancer, a bacterial infection, a fungal infection, or a yeast infection, comprising administering to a subject in need thereof an effective amount of a Pentacyclic Alkaloid Compound. The present invention also relates to compounds and methods that are useful for making Cribrostatin IV.
    Type: Application
    Filed: February 28, 2006
    Publication date: December 31, 2009
    Applicant: The Trustees Of Columbia University In The City Of New York
    Inventors: Samuel J. Danishefsky, Collin Chan