Patents by Inventor Ira Saxena

Ira Saxena 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: 20240234814
    Abstract: Use of a compound of Formula 1 in a non-aqueous battery electrolyte formulation: wherein: R is an optionally fluorinated alky group, conveniently C1-6; each Y is independently H or F. X is H; a halogen, conveniently F; or an alkyl or a fluoroalkyl, conveniently C1-6; each Z is independently a halogen, conveniently F; or H.
    Type: Application
    Filed: April 21, 2022
    Publication date: July 11, 2024
    Inventors: Andrew Sharratt, Ira Saxena
  • Publication number: 20240182390
    Abstract: A method for preparing a partially fluorinated alcohol. comprises reacting an epoxide: wherrein R1, R2, R3 and R4 are independently selected from the group comprising H, F, Cl, Br, I, CF3, alkyl, fluoroalkyl, haloalkyl with a fluorinating agent.
    Type: Application
    Filed: December 12, 2023
    Publication date: June 6, 2024
    Inventors: Andrew Sharratt, David Grundy, Ira Saxena
  • Publication number: 20240128521
    Abstract: Use of a compound of Formula 1 in a nonaqueous battery electrolyte formulation (1) wherein each R1 to R4 is selected from the group consisting of F, Cl, H, CF3, and C1 to C6 alkyl which may be at least partially fluorinated, wherein at least one of R1 to R4 is or comprises F.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 18, 2024
    Inventors: Andrew SHARRATT, Miodrag OLJACA, Ira SAXENA
  • Publication number: 20240128506
    Abstract: Use of a compound of Formula (I) in a nonaqueous battery electrolyte formulation wherein R1 is independently selected from the group consisting of CF3, CH2CF3 and CFHCF3:R2 is independently selected from the group consisting of H, F, CH3, CH2F, CH2CF3, CH2OR5 and OR5; R3 is an alkyl group, with the formula CnH2n+1?xFx; R4 is H or F; and R5 is an alkyl group substituted N with at least on fluorine substituent, with the proviso that when R1 is CH2CF3 or CFHCF3, R2 is H, F or OR5, wherein the compound C of Formula (I) is present in the electrolyte formulation in an amount of 95 wt. % or less.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 18, 2024
    Inventors: Andrew SHARRATT, Miodrag OLJACA, Ira SAXENA
  • Publication number: 20240120525
    Abstract: Use of a compound of Formula 1 in a nonaqueous battery electrolyte formulation: wherein R is H, F, CF3, alkyl or fluoroalkyl.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 11, 2024
    Inventors: Andrew SHARRATT, Miodrag OLJACA, Ira SAXENA
  • Publication number: 20240120537
    Abstract: Use of a compound of Formula I in a nonaqueous battery electrolyte formulation (I) wherein W is independently selected from the group consisting of H, F, Cl, Br and I; Y is independently selected from the group consisting of F, Cl, Br and I; Z is independently selected from the group consisting of H, O(CW2)PCW3, (CW2)PCW3, OCY3, OCW3, polyalkyiene glycol and polyoiesfer; n is an integer from 1-1000; one of T1 and T2 is W, the other is (CY2)mCY3; and p is an integer from 0 to 9,
    Type: Application
    Filed: October 20, 2020
    Publication date: April 11, 2024
    Inventors: Andrew SHARRATT, Miodrag OLJACA, Ira SAXENA
  • Patent number: 11897832
    Abstract: A method for preparing a partially fluorinated alcohol, comprises reacting an epoxide: wherein R1, R2, R3 and R4 are independently selected from the group comprising H, F, Cl, Br, I, CF3, alkyl, fluoroalkyl, haloalkyl with a fluorinating agent.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: February 13, 2024
    Assignee: MEXICHEM FLUOR S.A. DE C.V.
    Inventors: Andrew Sharratt, David Grundy, Ira Saxena
  • Publication number: 20240030491
    Abstract: Use of a compound of Formula (1) in a nonaqueous battery electrolyte formulation: (Formula (1)) wherein R is H, F, Cl, CF3, alkylr fluoroalkyl.
    Type: Application
    Filed: October 9, 2020
    Publication date: January 25, 2024
    Inventors: Andrew SHARRATT, Miodrag OLJACA, Ira SAXENA, John MCCARTHY
  • Publication number: 20230361346
    Abstract: Use of a formulation comprising a metal ion and a compound of Formula 1 in a nonaqueous battery electrolyte formulation wherein R1, R2, R3, R4 are independently selected from the group comprising H, F, Cl, Br, I, CF3, alkyl, fluoroalkyl, haloalkyl and R5 is independently selected from the group CF3, alkyl, fluoroalkyl, perfiuoroalkyl, haloalkyl perfluorohaloalkyl.
    Type: Application
    Filed: September 9, 2021
    Publication date: November 9, 2023
    Inventors: Andrew Sharratt, Ira Saxena
  • Publication number: 20220393238
    Abstract: Use of a compound of Formula (I) in a nonaqueous battery electrolyte formulation (1) wherein R is a fluorinated alkyl group and X is selected from the group consisting of F, Cl, H, CF3, and C1 to C6 alkyl which may be at least partially fluorinated and —OR group can be cis- or trans- to any other group X.
    Type: Application
    Filed: October 2, 2020
    Publication date: December 8, 2022
    Inventors: Andrew Sharratt, Ira Saxena, Miodrag Oljaca
  • Publication number: 20220153668
    Abstract: A method for preparing a partially fluorinated alcohol, comprises reacting an epoxide: wherein R1, R2, R3 and R4 are independently selected from the group comprising H, F, Cl, Br, I, CF3, alkyl, fluoroalkyl, haloalkyl with a fluorinating agent.
    Type: Application
    Filed: March 18, 2020
    Publication date: May 19, 2022
    Inventors: Andrew Sharratt, David Grundy, Ira Saxena
  • Patent number: 7943794
    Abstract: The present invention relates to processes for the preparation of intermediates of valsartan.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: May 17, 2011
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Ira Saxena, Asok Nath, Mohan Prasad
  • Publication number: 20090203921
    Abstract: The present invention relates to processes for the preparation of intermediates of valsartan.
    Type: Application
    Filed: February 12, 2009
    Publication date: August 13, 2009
    Inventors: Ira Saxena, Asok Nath, Mohan Prasad