Patents by Inventor Sarabjot Kaur
Sarabjot Kaur 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: 20230340329Abstract: The invention relates to a polymerizable LC material comprising one or more reactive mesogenic compounds, one or more chiral compounds and one or more compounds of formula I, wherein the individual radicals have one of the meaning as given in the claims. Furthermore, the present invention relates also to a method for its preparation, a polymer film with improved thermal and UV stability obtainable from a corresponding polymerizable LC material, to a method of preparation of such polymer film, and to the use of such polymer film and said polymerizable LC material in optical, electro-optical, decorative or security devices.Type: ApplicationFiled: September 23, 2021Publication date: October 26, 2023Applicant: Merck Patent GmbHInventors: Stephen MULCAHY, Owain Llyr PARRI, Sarabjot KAUR
-
Patent number: 11719709Abstract: The present invention provides a water soluble polymer surfactant (PS-DGlu) of formula I which is utilized for synthesis of functionalized polystyrene nanobead covalently incorporating (oligo) p-phenylenevinylene (OPV) nanosensor (PSG-OPV-n) which in turn is useful for the detection of bilirubin in human serum. The present invention further provides a process for the preparation of the water soluble polymer surfactant (PS-DGlu) of formula (I) and a mini emulsion polymerization process for the synthesis of PSG-OPV-n. wherein, n is 30-50. The PSG-OPV-n nanosensor beads show selectivity towards detection of bilirubin in presence of interferences such as glucose, sucrose, metal ions, cholesterol, and biliverdin with limit of detection of 20 nM. Ultimately, the invention also provides a kit for visual detection of bilirubin in human serum.Type: GrantFiled: April 16, 2020Date of Patent: August 8, 2023Assignee: Council of Scientific & Industrial ResearchInventors: Sarabjot Kaur Makkad, Asha Syamakumari
-
Patent number: 11697769Abstract: A polymerizable LC material comprising one or more reactive mesogenic compounds, one or more chiral compounds and a block copolymer that comprises at least one polyfluorooxetane block bonded to a polyether block, said polyfluorooxetane block having a repeating unit of the formula Further, a method for its preparation, a polymer film obtainable from a corresponding polymerizable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerizable LC material in optical, electro-optical, decorative or security devices.Type: GrantFiled: December 3, 2021Date of Patent: July 11, 2023Assignee: Merck Patent GmbHInventors: Stephen Mulcahy, Owain Llyr Parri, Sarabjot Kaur
-
Patent number: 11427661Abstract: The present invention provides a fluorescent polymer comprising a fluorophore perylene bisimide (PBI) and oligo (p-phenylene vinylene) (OPV) functionalized with carboxy and amine functionality groups and a polystyrene (PS) backbone for the detection of volatile organic compound, a process for the detection and a kit thereof.Type: GrantFiled: February 18, 2019Date of Patent: August 30, 2022Assignee: Council of Scientific & Industrial ResearchInventors: Sarabjot Kaur Makkad, Asha Syamakumari
-
Publication number: 20220177782Abstract: A polymerizable LC material comprising one or more reactive mesogenic compounds, one or more chiral compounds and a block copolymer that comprises at least one polyfluorooxetane block bonded to a polyether block, said polyfluorooxetane block having a repeating unit of the formula Further, a method for its preparation, a polymer film obtainable from a corresponding polymerizable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerizable LC material in optical, electro-optical, decorative or security devices.Type: ApplicationFiled: December 3, 2021Publication date: June 9, 2022Applicant: Merck Patent GmbHInventors: Stephen Mulcahy, Owain Llyr Parri, Sarabjot Kaur
-
Patent number: 11353751Abstract: A double layer liquid crystal device comprises a first and a second layer with orthogonal or crossed alignment of the liquid crystal phase of the two layers, in which the first and second layer have first and second alignment aids comprised of a polymerized or polymerizable molecular compound. The layers are aligned by UV photoalignment and vertical self-alignment by the aid of suitable additives.Type: GrantFiled: September 25, 2020Date of Patent: June 7, 2022Assignee: Merck Patent GmbHInventors: Joseph Sargent, Sarabjot Kaur, Simon Siemianowski, Izumi Saito
-
Publication number: 20210255206Abstract: The present invention provides a water soluble polymer surfactant (PS-DGlu) of formula I which is utilized for synthesis of functionalized polystyrene nanobead covalently incorporating (oligo) p-phenylenevinylene (OPV) nanosensor (PSG-OPV-n) which in turn is useful for the detection of bilirubin in human serum. The present invention further provides a process for the preparation of the water soluble polymer surfactant (PS-DGlu) of formula (I) and a mini emulsion polymerization process for the synthesis of PSG-OPV-n. wherein, n is 30-50. The PSG-OPV-n nanosensor beads show selectivity towards detection of bilirubin in presence of interferences such as glucose, sucrose, metal ions, cholesterol, and biliverdin with limit of detection of 20 nM. Ultimately, the invention also provides a kit for visual detection of bilirubin in human serum.Type: ApplicationFiled: April 16, 2020Publication date: August 19, 2021Inventors: Sarabjot Kaur Makkad, Asha Syamakumari
-
Publication number: 20210096431Abstract: A double layer liquid crystal device comprises a first and a second layer with orthogonal or crossed alignment of the liquid crystal phase of the two layers, in which the first and second layer have first and second alignment aids comprised of a polymerized or polymerizable molecular compound. The layers are aligned by UV photoalignment and vertical self-alignment by the aid of suitable additives.Type: ApplicationFiled: September 25, 2020Publication date: April 1, 2021Applicant: Merck Patent GmbHInventors: Joseph SARGENT, Sarabjot KAUR, Simon SIEMIANOWSKI, Izumi SAITO
-
Publication number: 20210088449Abstract: The present invention provides a fluorescent polymer comprising a fluorophore perylene bisimide (PBI) and oligo (p-phenylene vinylene) (OPV) functionalized with carboxy and amine functionality groups and a polystyrene (PS) backbone for the detection of volatile organic compound, a process for the detection and a kit thereof.Type: ApplicationFiled: February 18, 2019Publication date: March 25, 2021Inventors: Sarabjot Kaur MAKKAD, Asha SYAMAKUMARI
-
Patent number: 10459128Abstract: A liquid crystal device (100) for focusing visible light, the liquid crystal device (100) comprising a plurality of curved substrates (101,102) arranged to form one or more curved cavities (104) therebetween, each substrate being configured to provide a focal power, wherein the one or more curved cavities contain liquid crystal and form one or more liquid crystal elements. Each of the one or more liquid crystal elements are configured to provide a focal power, the focal power of each of the liquid crystal elements being dependent on the curvature of the respective cavity and a voltage applied across the liquid crystal contained within the respective cavity. The substrates (101,102) in combination with the one or more liquid crystal elements are arranged to provide a first focal power in a substantial absence of an applied voltage and a second focal power in response to an applied voltage.Type: GrantFiled: July 30, 2014Date of Patent: October 29, 2019Assignee: The University of ManchesterInventors: Harry Edward Milton, Sarabjot Kaur, John Clifford Jones, Helen Frances Gleeson, Philip Bruce Morgan, John Clamp
-
Publication number: 20160170097Abstract: A liquid crystal device (100) for focusing visible light, the liquid crystal device (100) comprising a plurality of curved substrates (101,102) arranged to form one or more curved cavities (104) therebetween, each substrate being configured to provide a focal power, wherein the one or more curved cavities contain liquid crystal and form one or more liquid crystal elements. Each of the one or more liquid crystal elements are configured to provide a focal power, the focal power of each of the liquid crystal elements being dependent on the curvature of the respective cavity and a voltage applied across the liquid crystal contained within the respective cavity. The substrates (101,102) in combination with the one or more liquid crystal elements are arranged to provide a first focal power in a substantial absence of an applied voltage and a second focal power in response to an applied voltage.Type: ApplicationFiled: July 30, 2014Publication date: June 16, 2016Applicant: The University of ManchesterInventors: Harry Edward Milton, Sarabjot Kaur, John Clifford Jones, Helen Frances Gleeson, Philip Bruce Morgan, John Clamp
-
Patent number: 9016937Abstract: An electrical temperature sensor (10) comprises a liquid crystalline material (12). First and second electrically conductive contacts (14), (16), having a spaced relationship therebetween, contact the liquid crystalline material (12). An electric property measuring device is electrically connected to the first and second contacts (14), (16) and is arranged to measure an electric property of the liquid crystalline material (12). The liquid crystalline material (12) has a transition temperature T at which it undergoes a phase change between polar and non-polar phases. The phase change between polar and non-polar phases causes a change in said electric property of the liquid crystalline material (12).Type: GrantFiled: February 8, 2010Date of Patent: April 28, 2015Assignee: Syngenta LimitedInventors: Helen Frances Gleeson, Ingo Dierking, Sarabjot Kaur, Bruce Donaldson Grieve, Neville Christopher Paul Woodyatt, Paul Douglas Brimicombe
-
Publication number: 20130114642Abstract: A temperature recorder comprises a sensing cell which comprises a reactant mixture. The reactant mixture comprises a liquid crystalline material, a reactive monomer, and an initiator configured to initiate cross-linking of the reactive monomer and thereby form a sensing material which provides a record of the temperature of the sensing cell when cross-linking occurs. The sensing material comprises a cross-linked network dispersed within the liquid crystalline material, the cross-linked network being formed from the reactive monomer. The sensing cell additionally comprises first and second electrically conductive electrodes having a spaced relationship there between and being connectable to an electric property measuring device arranged to measure an electric property of the sensing material.Type: ApplicationFiled: July 7, 2011Publication date: May 9, 2013Applicant: SYNGENTA LIMITEDInventors: Helen Gleeson, Ingo Dierking, Paul Brimicombe, Sarabjot Kaur, Bruce Donald Grieve, Neville Christopher Paul Woodyatt, Jaroslaw Muriusz Wasikiewicz, Stephen George Yeates, Michael Lewis Turner
-
Publication number: 20110310926Abstract: An electrical temperature sensor (10) comprises a liquid crystalline material (12). First and second electrically conductive contacts (14), (16), having a spaced relationship therebetween, contact the liquid crystalline material (12). An electric property measuring device is electrically connected to the first and second contacts (14), (16) and is arranged to measure an electric property of the liquid crystalline material (12). The liquid crystalline material (12) has a transition temperature T at which it undergoes a phase change between polar and non-polar phases. The phase change between polar and non-polar phases causes a change in said electric property of the liquid crystalline material (12).Type: ApplicationFiled: February 8, 2010Publication date: December 22, 2011Applicant: SYNGENTA CROP PROTECTION LLCInventors: Helen Frances Gleeson, Ingo Dierking, Sarabjot Kaur, Bruce Donaldson Grieve, Neville Christopher Paul Woodyatt, Paul Douglas Brimicombe