Patents by Inventor Vassil Elitzin

Vassil Elitzin 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: 11186719
    Abstract: The present disclosure embodies compounds of Formula I, methods of use thereof, and kits thereof: that are useful in connection with the detection of analytes of all types (e.g., biological molecules such as proteins, organic molecules, natural or synthetic molecules). The disclosure is particularly applicable to detection of proteins and nucleic acids using all types of membrane-based assays by techniques such as Western blotting, Dot blotting, Southern blotting, and Northern blotting.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: November 30, 2021
    Assignee: LI-COR, INC.
    Inventors: Silvano Sanchini, Rose Skopp, Vassil Elitzin, Nisha Padhye, Teresa Urlacher
  • Patent number: 11167046
    Abstract: A method for organ imaging, comprising: administering to a subject a diagnostic effective amount of 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-phenoxycyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate or 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-(4-sulfonatophenoxy)cyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate. In one embodiment, the organ includes one or more of kidney, bladder, liver, gall bladder, spleen, intestine, heart, lungs and muscle.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: November 9, 2021
    Assignee: LI-COR, INC.
    Inventors: Daniel R. Draney, William M. Volcheck, Katie Schaepe, Vassil Elitzin, Joy Kovar
  • Patent number: 11066352
    Abstract: Embodiments of the present disclosure are related to improved processes for making L-ornithine phenylacetate without using any silver salts or forming any L-ornithine intermediate salts, such as a benzoate salt. The present processes may be used in the commercial scale manufacturing of L-ornithine phenylacetate with high yields and low impurities.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: July 20, 2021
    Assignee: Ocera Therapeutics, Inc.
    Inventors: Ludwig Pilsl, Georg Winkler, Frank Demartin, Vassil Elitzin
  • Patent number: 10758631
    Abstract: Polymorphs of Formula I, which is 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-phenoxycyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate and methods of making are provided. A method for organ imaging, comprising administering to a subject, a diagnostic effective amount of a composition comprising a polymorph of Formula I are also provided. In one embodiment, the organ includes one or more of kidney, bladder, ureter, urethra, bile ducts, liver, and gall bladder.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: September 1, 2020
    Assignee: LI-COR, INC.
    Inventors: Vassil Elitzin, William M. Volcheck, Katie Schaepe, Rahul Patil
  • Publication number: 20200157033
    Abstract: Embodiments of the present disclosure are related to improved processes for making L-ornithine phenylacetate without using any silver salts or forming any L-ornithine intermediate salts, such as a benzoate salt. The present processes may be used in the commercial scale manufacturing of L-ornithine phenylacetate with high yields and low impurities.
    Type: Application
    Filed: May 7, 2018
    Publication date: May 21, 2020
    Inventors: Ludwig PILSL, Georg WINKLER, Frank DEMARTIN, Vassil ELITZIN
  • Publication number: 20200085976
    Abstract: A method for organ imaging, comprising: administering to a subject a diagnostic effective amount of 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-phenoxycyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate or 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-(4-sulfonatophenoxy)cyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate. In one embodiment, the organ includes one or more of kidney, bladder, liver, gall bladder, spleen, intestine, heart, lungs and muscle.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 19, 2020
    Applicant: LI-COR, INC.
    Inventors: Daniel R. Draney, William M. Volcheck, Katie Schaepe, Vassil Elitzin, Joy Kovar
  • Publication number: 20200078474
    Abstract: A composition comprising: a polymorphic form of 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-phenoxycyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-ulfonatobutyl)-3H-indol- 1- ium-5-sulfonate or 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-(4-sulfonatophenoxy)cyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate and an acceptable excipient.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 12, 2020
    Applicant: LI-COR, INC.
    Inventors: Daniel R. Draney, William M. Volcheck, Katie Schaepe, Vassil Elitzin
  • Patent number: 10548991
    Abstract: A method for organ imaging, comprising: administering to a subject a diagnostic effective amount of 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-phenoxycyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate or 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-(4-sulfonatophenoxy)cyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate. In one embodiment, the organ includes one or more of kidney, bladder, liver, gall bladder, spleen, intestine, heart, lungs and muscle.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: February 4, 2020
    Assignee: LI-COR, INC.
    Inventors: Daniel R. Draney, William M. Volcheck, Katie Schaepe, Vassil Elitzin
  • Publication number: 20190338131
    Abstract: The present disclosure embodies compounds, methods, and kits that are useful in connection with the detection of analytes of all types (e.g., biological molecules such as proteins, organic molecules, natural or synthetic molecules). The disclosure is particularly applicable to detection of proteins and nucleic acids using all types of membrane-based assays by techniques such as Western blotting, Dot blotting, Southern blotting, and Northern blotting.
    Type: Application
    Filed: May 7, 2019
    Publication date: November 7, 2019
    Applicant: LI-COR, Inc.
    Inventors: Silvano Sanchini, Rose Skopp, Vassil Elitzin, Nisha Padhye, Teresa Urlacher
  • Publication number: 20180296704
    Abstract: Polymorphs of Formula I, which is 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-phenoxycyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate and methods of making are provided. A method for organ imaging, comprising administering to a subject, a diagnostic effective amount of a composition comprising a polymorph of Formula I are also provided. In one embodiment, the organ includes one or more of kidney, bladder, ureter, urethra, bile ducts, liver, and gall bladder.
    Type: Application
    Filed: April 12, 2018
    Publication date: October 18, 2018
    Applicant: LI-COR, Inc.
    Inventors: Vassil Elitzin, William M. Volcheck, Katie Schaepe, Rahul Patil
  • Publication number: 20160144058
    Abstract: A method for organ imaging, comprising: administering to a subject a diagnostic effective amount of 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-phenoxycyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate or 2-((E)-2-((E)-3-(2-((E)-3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)indolin-2-ylidene)ethylidene)-2-(4-sulfonatophenoxy)cyclohex-1-en-1-yl)vinyl)-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate. In one embodiment, the organ includes one or more of kidney, bladder, liver, gall bladder, spleen, intestine, heart, lungs and muscle.
    Type: Application
    Filed: November 23, 2015
    Publication date: May 26, 2016
    Applicant: Ll-COR, INC.
    Inventors: Daniel R. Draney, WILLIAM M. VOLCHECK, KATIE SCHAEPE, VASSIL ELITZIN, JOY KOVAR
  • Publication number: 20110224413
    Abstract: Disclosed herein are processes for preparing glucopyranosyloxypyrazole derivatives and pyrazole intermediates of the same. In particular, the present invention relates to glucopyranosyloxypyrazole derivatives having SGLT2 inhibitory activity and processes and intermediates for preparing the same.
    Type: Application
    Filed: November 19, 2009
    Publication date: September 15, 2011
    Inventors: Michael Tolar Martin, Michael S. McClure, Vassil Elitzin