Patents by Inventor Sajinder Kaur Luthra

Sajinder Kaur Luthra 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: 11135322
    Abstract: The present invention relates to a method of labelling biological molecules with 18F, via attachment to fluorine to a macrocyclic metal complex of a non-radioactive metal, where the metal complex is conjugated to the biological molecule. Also provided are pharmaceutical compositions, kits and methods of in vivo imaging.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: October 5, 2021
    Assignees: GE Healthcare Limited, University of Southampton
    Inventors: Rajiv Bhalla, Sajinder Kaur Luthra, Gill Reid, I, William Levason
  • Patent number: 9169284
    Abstract: This invention relates to the miniaturization of radiosyntheses onto microfabricated devices, and in particular to use of microfabricated devices for radiosynthesis, isolation, and analysis of radiotracers for use in Positron Emission Tomography (PET).
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: October 27, 2015
    Assignee: Hammersmith Imanet Limited
    Inventors: Frank Brady, Sajinder Kaur Luthra, James Millar Gillies, Nicholas Toby Jeffrey
  • Publication number: 20150126708
    Abstract: The present invention provides a method of radio fluorination of biological targeting molecules (BTMs) with the radioisotope 18F. Also provided are novel conjugates useful in the 18F-radio fluorination method, and the use of such conjugates and automated synthesizer apparatus including cassettes for carrying out the method.
    Type: Application
    Filed: December 20, 2012
    Publication date: May 7, 2015
    Applicants: IMPERIAL INNOVATIONS LIMITED, GE HEALTHCARE LIMITED
    Inventors: Sajinder Kaur Luthra, Robin Fortt, Ramala Osman Awais, Eric Ofori Aboagye, Graham Smith
  • Publication number: 20140377178
    Abstract: The present invention relates to a method of labelling biological molecules with 18F, via attachment to fluorine to a macrocyclic metal complex of a non-radioactive metal, where the metal complex is conjugated to the biological molecule. Also provided are pharmaceutical compositions, kits and methods of in vivo imaging.
    Type: Application
    Filed: January 22, 2013
    Publication date: December 25, 2014
    Applicants: UNIVERSITY OF SOUTHAMPTON, GE HEALTHCARE LIMITED
    Inventors: Rajiv Bhalla, Sajinder Kaur Luthra, Gill Reid, I, William Levason
  • Publication number: 20140316130
    Abstract: This invention relates to the miniaturisation of radiosyntheses onto microfabricated devices, and in particular to use of microfabricated devices for radiosynthesis, isolation, and analysis of radiotracers for use in Positron Emission Tomography (PET).
    Type: Application
    Filed: April 15, 2014
    Publication date: October 23, 2014
    Applicant: HAMMERSMITH IMANET LIMITED
    Inventors: FRANK BRADY, SAJINDER KAUR LUTHRA, JAMES MILLAR GILLIES, NICHOLAS TOBY JEFFREY
  • Publication number: 20130334443
    Abstract: Components and systems for a PET radiopharmacy include a transport shield for a radioisotope cartridge, a cassette for dispensing from a transport shield, a cassette synthesis platform for a cassette, and a synthesizer shield.
    Type: Application
    Filed: December 22, 2011
    Publication date: December 19, 2013
    Applicant: GE HEALTHCARE LIMITED
    Inventors: Colin Steel, Sajinder Kaur Luthra, Robin Fortt, Farah Shah
  • Patent number: 8506932
    Abstract: The present invention provides novel tetracyclic indole compounds of Formula (I) either as in vivo imaging agents or as therapeutic agents. A method for the preparation of the in vivo imaging agent compound is also provided by the invention, as well as a precursor for use in said method. Pharmaceutical compositions comprising the compounds of the invention are additionally provided. Where the pharmaceutical composition comprises a compound suitable for in vivo imaging, a kit is provided for the preparation of the pharmaceutical composition. In a further aspect, use of the compound for in vivo imaging or treatment of conditions associated with PBR is provided.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: August 13, 2013
    Assignee: Hammersmith Imanet Limited
    Inventors: Erik Arstad, Ian Wilson, Sajinder Kaur Luthra, Frank Brady, Bengt Langstrom, Farhad Karimi, Edward George Robins, Bo Shan
  • Patent number: 8323616
    Abstract: The invention provides a process for the production of an 18F-labelled tracer which comprises treatment of a solid support-bound precursor of formula (I) SOLID SUPPORT-LINKER-X-TRACER (I) wherein X is a group which promotes nucleophilic substitution at a specific site on the attached TRACER and the TRACER is of formula (A).
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: December 4, 2012
    Assignees: GE Healthcare Limited, Hammersmith Imanet Limited
    Inventors: Frank Brady, Sajinder Kaur Luthra, Alexander Mark Gibson
  • Publication number: 20120275973
    Abstract: The invention relates to novel processes for the purification of radiolabelled tracers, using a solid-support bound scavenger group.
    Type: Application
    Filed: July 12, 2012
    Publication date: November 1, 2012
    Applicants: HAMMERSMITH IMANET LIMITED, GE HEALTHCARE AS, GE HEALTHCARE LIMITED
    Inventors: SAJINDER KAUR LUTHRA, FRANK BRADY, NICHOLAS TOBY JEFFERY, ERIK ARSTAD, ALEXANDER MARK GIBSON, DUNCAN WYNN, ALAN CUTHBERTSON, MAGNE SOLBAKKEN
  • Patent number: 8221720
    Abstract: The invention relates to novel processes for the purification of radiolabelled tracers, using a solid-support bound scavenger group.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: July 17, 2012
    Assignees: Hammersmith Imanet Limited, GE Healthcare Limited, GE Healthcare AS
    Inventors: Sajinder Kaur Luthra, Frank Brady, Nicholas Toby Jeffery, Erik Arstad, Alexander Mark Gibson, Duncan Wynn, Alan Cuthbertson, Magne Solbakken
  • Patent number: 8124050
    Abstract: A method for coating the internal surfaces of a reaction vessel having a small internal diameter comprises the steps of (i) introducing into the reaction vessel a solution of one or more monomers in a suitable solvent; (ii) introducing a flow of an inert gas through the reaction vessel; and (iii) initiating polymerization of the monomer solution.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: February 28, 2012
    Assignee: Hammersmith Imanet Limited
    Inventors: Frank Brady, Nicholas Toby Jeffery, Sajinder Kaur Luthra, Erik Arstad
  • Patent number: 7999139
    Abstract: The invention relates to a process for the production of an [18F]fluorohaloalkane which comprises treatment of a solid support-bound precursor of formula (I): SOLID SUPPORT-LINKER-SO2—O—(CH2)nX??(I) wherein n is an integer of from 1 to 7 and X is chloro, bromo or iodo; with 18F? to produce the [18F]fluorohaloalkane of formula (II) 18F—(CH2)n—X??(II) wherein n and X are as defined for the compound of formula (I), optionally followed by (i) removal of excess 18F?, for example by ion-exchange chromatography; and/or (ii) removal of organic solvent.
    Type: Grant
    Filed: May 1, 2007
    Date of Patent: August 16, 2011
    Assignee: Hammersmith Imanet Limited
    Inventors: Frank Brady, Sajinder Kaur Luthra, Yongjun Zhao
  • Publication number: 20090220420
    Abstract: The present invention provides novel tetracyclic indole compounds of Formula (I) either as in vivo imaging agents or as therapeutic agents. A method for the preparation of the in vivo imaging agent compound is also provided by the invention, as well as a precursor for use in said method. Pharmaceutical compositions comprising the compounds of the invention are additionally provided. Where the pharmaceutical composition comprises a compound suitable for in vivo imaging, a kit is provided for the preparation of the pharmaceutical composition. In a further aspect, use of the compound for in vivo imaging or treatment of conditions associated with PBR is provided.
    Type: Application
    Filed: November 20, 2006
    Publication date: September 3, 2009
    Inventors: Erik Arstad, Ian Wilson, Sajinder Kaur Luthra, Frank Brady, Bengt Langstrom, Farhad Karimi, Edward George Robins, Bo Shan
  • Patent number: 7504208
    Abstract: The invention relates to a process for the production of an 18F-labelled tracer which comprises treatment of a solid support-bound precursor of formula (I): SOLID SUPPORT-LINKER-I+-TRACER (I) Y? wherein the TRACER is of formula (A): or an amine protected derivative thereof, wherein Y? is an anion, preferably trifluoromethylsulphonate (triflate) anion; and R1 is either (i) a group CH—NP1AP2A in which P1A and P2A are each independently hydrogen or a protecting group, or (ii) a carbonyl group; with 18F? to produce the labelled tracer of formula (II) or an amine protected derivative thereof, wherein R1 is as defined for the compound of formula (I).
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: March 17, 2009
    Assignee: Hammersmith Imanet Limited
    Inventors: Frank Brady, Sajinder Kaur Luthra, Edward George Robins
  • Patent number: 7432397
    Abstract: The invention relates to compounds of formula: (I) or a salt or solvate thereof, wherein: R1 is —11CH2R5 or [18F]—C1-4 fluoroalkyl wherein R5 is hydrogen or C1-4 alkyl; R2 is hydrogen or C1-4 alkyl; R3 is halo; and R4 is halo, C1-4 alkylthio, or C1-4 alkyl; and their use for imaging central nervous system (CNS) receptors.
    Type: Grant
    Filed: July 16, 2003
    Date of Patent: October 7, 2008
    Assignee: Hammersmith Imanet Ltd.
    Inventors: Frank Brady, Sajinder Kaur Luthra
  • Publication number: 20080213174
    Abstract: The invention relates to in vivo imaging agents, specifically radiolabelled insulin derivatives of formula (III); wherein X is —CO—NH—, —NH—, —O—, —NHCONH—, or —NHCSNH—, and is preferably —CO—NH—, —NH— or —O—; Y is H, alkyl or aryl substituents; R* is a radiolabel moiety suitable for detection by SPECT or PET; and methods for preparing the same as well as their use in in vivo imaging methods.
    Type: Application
    Filed: September 13, 2005
    Publication date: September 4, 2008
    Inventors: Matthias Eberhard Glaser, Frank Brady, Sajinder Kaur Luthra, Alan Cuthbertson, Hege Karlsen
  • Patent number: 7223891
    Abstract: The invention relates to a process for the production of an [18F]fluorohaloalkane which comprises treatment of a solid support-bound precursor of formula (I): SOLID SUPPORT-LINKER-SO2—O—(CH2)nX (I) wherein n is an integer of from (1) to (7) and X is chloro, bromo or iodo; with 18F? to produce the [18F]fluorohaloalkane of formula (II) 18F—(CH2)n—X (II) wherein n and X are as defined for the compound of formula (I), optionally followed by (i) removal of excess 18F?, for example by ion-exchange chromatography; and/or (ii) removal of organic solvent.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: May 29, 2007
    Assignee: Hammersmith Imanet Ltd.
    Inventors: Frank Brady, Sajinder Kaur Luthra, Yongjun Zhao
  • Patent number: 7115249
    Abstract: The invention relates to compounds of formula (I); wherein R1 and R2 independently selected from C1-6 alkyl; P1, P2, P3, and P4 are each independently hydrogen or a protecting group; and their use in the preparation of 18F-labelled 6-L-fluorodopa
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: October 3, 2006
    Assignees: GE Healthcare Ltd., Hammersmith Imanet Ltd.
    Inventors: Sajinder Kaur Luthra, Frank Brady, Harry John Wadsworth
  • Publication number: 20040236085
    Abstract: The present invention relates to novel solid-phase processes for the production of radiolabelled tracers, in particular for the production of 18F-labelled compounds which may be suitable for use as Positron Emission Tomography (PET) radiotracers. The invention also comprises radiopharmaceutical kits using these novel processes.
    Type: Application
    Filed: July 15, 2004
    Publication date: November 25, 2004
    Inventors: Sajinder Kaur Luthra, Frank Brady, Harry John Wadsworth, Alexander Mark Gibson, Matthias Eberhard Glaser
  • Publication number: 20040186312
    Abstract: The invention relates to compounds of formula (I); wherein R1 and R2 independently selected from C1-6 alkyl; P1, P2, P3, and P4 are each independently hydrogen or a protecting group; and their use in the preparation of 18F-labelled 6-L-fluorodopa.
    Type: Application
    Filed: December 24, 2003
    Publication date: September 23, 2004
    Inventors: Sajinder Kaur Luthra, Frank Brady, Harry John Wadsworth