Patents by Inventor Sanjib Kumar Das

Sanjib Kumar Das 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: 20240065970
    Abstract: A medical implant is disclosed. The medical implant includes a body having a first end having a first cross-sectional dimension, a second end having a second cross-sectional dimension, and a tapered portion extending between the first end and the second end. The first cross-sectional dimension is larger than the second cross-sectional dimension. In some embodiments, the body comprises multiple layers.
    Type: Application
    Filed: August 23, 2022
    Publication date: February 29, 2024
    Inventors: Thomas A. Shepard, Tyler Pegoraro, Stuart Williams, Sanjib Kumar Das, Leo Anthony Trevino, Cheng Li
  • Publication number: 20220133532
    Abstract: A medical implant is disclosed. The medical implant includes a body having a first end having a first cross-sectional dimension, a second end having a second cross-sectional dimension, and a tapered portion extending between the first end and the second end. The first cross-sectional dimension is larger than the second cross-sectional dimension. In some embodiments, the body comprises multiple layers.
    Type: Application
    Filed: November 3, 2021
    Publication date: May 5, 2022
    Inventors: Thomas A. Shepard, Tyler Pegoraro, Stuart Williams, Sanjib Kumar Das, Leo Anthony Trevino, Cheng Li
  • Publication number: 20220080049
    Abstract: The disclosure teaches precisely engineered biodegradable drug delivery systems and methods of making and utilizing such systems. In aspects, the biodegradable drug delivery systems taught herein comprise ocular implants having a desired extended drug release profile suitable for treating elevated intraocular pressure.
    Type: Application
    Filed: March 25, 2021
    Publication date: March 17, 2022
    Inventors: Andres Garcia, Benjamin Maynor, Janet Tully, Benjamin Robinson Yerxa, Tomas Navratil, Sanjib Kumar Das
  • Patent number: 11116776
    Abstract: The disclosure teaches precisely engineered biodegradable drug delivery systems and methods of making and utilizing such systems. In aspects, the biodegradable drug delivery systems taught herein comprise intravitreal ocular implants suitable for delivery of corticosteroids to the posterior segment of a human eye. The intravitreal ocular implants described herein have a desired extended drug release profile suitable for treating inflammation of the human eye.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: September 14, 2021
    Assignee: Aerie Pharmaceuticals, Inc.
    Inventors: Stuart Williams, Sanjib Kumar Das, Tomas Navratil, Melissa Sandahl, Janet Tully, Rozemarijn Verhoeven
  • Publication number: 20200306182
    Abstract: Provided herein are pharmaceutical compositions, intravitreal implants and particle suspensions comprising a polymer matrix and at lest one therapeutic agent that is released in a substantially linear manner for a particular duration.
    Type: Application
    Filed: March 5, 2020
    Publication date: October 1, 2020
    Inventors: Sanjib Kumar Das, Cheng-Wen Lin
  • Publication number: 20200230157
    Abstract: The disclosure teaches precisely engineered biodegradable drug delivery systems and methods of making and utilizing such systems. In aspects, the biodegradable drug delivery systems taught herein comprise intravitreal ocular implants suitable for delivery of corticosteroids to the posterior segment of a human eye. The intravitreal ocular implants described herein have a desired extended drug release profile suitable for treating inflammation of the human eye.
    Type: Application
    Filed: December 12, 2019
    Publication date: July 23, 2020
    Inventors: Stuart Williams, Sanjib Kumar Das, Tomas Navratil, Melissa Sandahl, Janet Tully, Rozemarijn Verhoeven
  • Patent number: 10624904
    Abstract: The disclosure teaches precisely engineered biodegradable drug delivery systems and methods of making and utilizing such systems. In aspects, the biodegradable drug delivery systems taught herein comprise intravitreal ocular implants suitable for delivery of corticosteroids to the posterior segment of a human eye. The intravitreal ocular implants described herein have a desired extended drug release profile suitable for treating inflammation of the human eye.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: April 21, 2020
    Assignee: Aerie Pharmaceuticals, Inc.
    Inventors: Stuart Williams, Sanjib Kumar Das, Tomas Navratil, Melissa Sandahl, Janet Tully, Rozemarijn Verhoeven
  • Publication number: 20190083512
    Abstract: The disclosure teaches precisely engineered biodegradable drug delivery systems and methods of making and utilizing such systems. In aspects, the biodegradable drug delivery systems taught herein comprise intravitreal ocular implants suitable for delivery of corticosteroids to the posterior segment of a human eye. The intravitreal ocular implants described herein have a desired extended drug release profile suitable for treating inflammation of the human eye.
    Type: Application
    Filed: July 22, 2016
    Publication date: March 21, 2019
    Inventors: Stuart Williams, Sanjib Kumar Das, Tomas Navratil, Melissa Sandahl, Janet Tully, Rozemarijn Verhoeven
  • Patent number: 9855338
    Abstract: Various biodegradable polyglutamate-amino acids comprising recurring units of the general formulae (I) and (II) are prepared. Such polymers are useful for variety of drug, biomolecule and imaging agent delivery applications.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: January 2, 2018
    Assignee: Nitto Denko Corporation
    Inventors: Lei Yu, Gang Zhao, Sang Van, Sanjib Kumar Das, Zhongling Feng, Xiaoli Fu, Xinghe Wang, Yi Jin, Fu Chen
  • Publication number: 20170119889
    Abstract: Various biodegradable polyglutamate-amino acids comprising recurring units of the general formulae (I) and (II) are prepared. Such polymers are useful for variety of drug, biomolecule and imaging agent delivery applications.
    Type: Application
    Filed: November 17, 2016
    Publication date: May 4, 2017
    Inventors: Lei Yu, Gang Zhao, Sang Van, Sanjib Kumar Das, Zhongling Feng, Xiaoli Fu, Xinghe Wang
  • Publication number: 20160296627
    Abstract: The disclosure teaches precisely engineered biodegradable drug delivery systems and methods of making and utilizing such systems. In aspects, the biodegradable drug delivery systems taught herein comprise ocular implants having a desired extended drug release profile suitable for treating elevated intraocular pressure.
    Type: Application
    Filed: December 5, 2014
    Publication date: October 13, 2016
    Applicant: Envisia Therapeutics Inc.
    Inventors: Andres Garcia, Benjamin Maynor, Janet Tully, Benjamin Robinson Yerxa, Tomas Navratil, Sanjib Kumar Das
  • Patent number: 9259704
    Abstract: This disclosure relates to a static mixer (1) with a plurality of nozzles, and more generally, to a mixer and method of use thereof for mixing phosgene and amine with shaped jets or at least two rows of nozzles (15,16) where the second row (16) is used to enrich an area of deficit of the phosgene flow within the static reactive jet mixer (1). Configurations of enriching secondary flow include the use of concentric, eccentric, or offset jets of amine/phosgene, and the use of nozzles with different and irregular geometries to help focus amine/phosgene to a specific area of the principal phosgene flow.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: February 16, 2016
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Paul Aaron Gillis, Hua Bai, Joydeep Mukherjee, Sanjib Kumar Das Sharma, Jorg-Peter Gehrke
  • Publication number: 20130079550
    Abstract: This disclosure relates to a static mixer (1) with a plurality of nozzles, and more generally, to a mixer and method of use thereof for mixing phosgene and amine with shaped jets or at least two rows of nozzles (15,16)where the second row (16) is used to enrich an area of deficit of the phosgene flow within the static reactive jet mixer (1). Configurations of enriching secondary flow include the use of concentric, eccentric, or offset jets of amine/phosgene, and the use of nozzles with different and regular geometries to help focus amine/phosgene to a specific area of the principal phosgene flow.
    Type: Application
    Filed: May 10, 2011
    Publication date: March 28, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Paul Aaron Gillis, Hua Bai, Joydeep Mukherjee, Sanjib Kumar Das Sharma, Jorg-Peter Gehrke
  • Publication number: 20130011336
    Abstract: Agents and methods for imaging a cell and/or a portion of tissue characterized by fibrosis, as well as to agents and methods for determining and/or diagnosing fibrotic diseases are disclosed herein. Also disclosed herein are polymer conjugates that can include a detectable label, a retinoid and a polymer. The polymer conjugates can be used to image a portion of tissue, deliver a detectable label to a portion of tissue or a cell and/or diagnosis a condition or disease.
    Type: Application
    Filed: September 11, 2009
    Publication date: January 10, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yoshiro Niitsu, Lei Yu, Gang Zhao, Sang Van, Xinghe Wang, Jian Liu, Sanjib Kumar Das, Yasunobu Tanaka, Keiko Kajiwara, Hirokazu Takahashi, Miyono Miyazaki
  • Publication number: 20120189554
    Abstract: Various biodegradable polyglutamate-amino acids comprising recurring units of the general formulae (I) and (II) are prepared. Such polymers are useful for variety of drug, targeting, stabilizing and/or imaging agent delivery applications.
    Type: Application
    Filed: April 2, 2012
    Publication date: July 26, 2012
    Applicant: Nitto Denko Corporation
    Inventors: Lei Yu, Gang Zhao, Sang Van, Sanjib Kumar Das, Fu Chen, Yi Jin, Xiaoli Fu
  • Publication number: 20100152932
    Abstract: A flight deck display element for a host aircraft is used to render a dynamic vertical situation display (VSD). The VSD includes a graphical representation of the host aircraft, graphical representations of one or more neighboring aircraft, and a graphical representation of a conflict zone surrounding the graphical representation of the host aircraft. The graphical representations of the neighboring aircraft are positioned on the VSD in a manner that indicates the respective altitudes of the neighboring aircraft relative to the host aircraft. They are also positioned on the VSD in a manner that indicates the respective lateral separation of the neighboring aircraft relative to the host aircraft.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 17, 2010
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventor: Sanjib Kumar Das
  • Publication number: 20100093935
    Abstract: Methods for preparing and isolating polymer conjugates that include a recurring unit of Formulae (I) and (Ia) are described herein. The polymer conjugates can include an anti-cancer drug.
    Type: Application
    Filed: October 14, 2009
    Publication date: April 15, 2010
    Applicant: NITTO DENKO CORPORATION
    Inventors: Sang Van, Sanjib Kumar Das, Gang Zhao, Lei Yu
  • Publication number: 20080181852
    Abstract: Various biodegradable polyglutamate-amino acids comprising recurring units of the general formulae (I) and (II) are prepared. Such polymers are useful for variety of drug, targeting, stabilizing and/or imaging agent delivery applications.
    Type: Application
    Filed: January 24, 2008
    Publication date: July 31, 2008
    Applicant: Nitto Denko Corporation
    Inventors: Lei Yu, Gang Zhao, Sang Van, Sanjib Kumar Das, Fu Chen, Yi Jin, Xiaoli Fu