Patents by Inventor Haridasan Nair

Haridasan Nair 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: 20240093078
    Abstract: The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises from about 5% by weight to 100% by weight of trans-1,2-difluorethylene (R1132(E)), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 21, 2024
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Ankit Sethi, Ryan Hulse, Christopher Roger, Alexey Kruglov, Haridasan Nair
  • Patent number: 7557254
    Abstract: A method for preparing fluorinated organic compounds wherein at least one fluorinated olefin is reacted with methyl fluoride in the gas-phase and in the presence of a Lewis Acid catalyst to form at least one product having at least 3 carbon atoms.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: July 7, 2009
    Assignee: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, Hsueh Sung Tung, Haridasan Nair, Jingji Ma
  • Patent number: 7470828
    Abstract: Provided are methods for producing hydrofluorocarbons via the selective reduction of a halocarbon blend comprising 1,3-dichloro-1,1,2,2,3-pentafluoropropane.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: December 30, 2008
    Assignee: Honeywell International Inc.
    Inventors: Haridasan Nair, Sudip Mukhopadhyay, Michael Van Der Puy
  • Patent number: 7396965
    Abstract: A method for preparing fluorinated organic compounds wherein at least one fluorinated olefin is reacted with methyl fluoride in the gas-phase and in the presence of a Lewis Acid catalyst to form at least one product having at least 3 carbon atoms.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: July 8, 2008
    Assignee: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, HsuehSung Tung, Haridasan Nair, Jingji Ma
  • Publication number: 20080103341
    Abstract: Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene comprising: a) reacting a compound of the formula (I) CHFX2 with a compound of formula (II) CH2?CF2 to produce a reaction product comprising a compound of formula (III) CHXFCH2CXF2, wherein each X is independently selected from the group consisting of chlorine, bromine and iodine; and (b) exposing said compound of formula (III) to reaction conditions effective to convert said compound to 1,3,3,3-tetrafluoropropene.
    Type: Application
    Filed: January 7, 2008
    Publication date: May 1, 2008
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Sudip Mukhopadhyay, Haridasan Nair, Hsueh Tung, Michael Van Der Puy
  • Patent number: 7335804
    Abstract: Provided are methods for producing hydrofluorocarbons via the selective reduction of a halocarbon blend comprising 1,3-dichloro-1,1,2,2,3-pentafluoropropane.
    Type: Grant
    Filed: November 3, 2005
    Date of Patent: February 26, 2008
    Assignee: Honeywell International Inc.
    Inventors: Haridasan Nair, Sudip Mukhopadhyay, Michael Van Der Puy
  • Publication number: 20080027251
    Abstract: Provided are methods for producing hydrofluorocarbons via the selective reduction of a halocarbon blend comprising 1,3-dichloro-1,1,2,2,3-pentafluoropropane.
    Type: Application
    Filed: October 10, 2007
    Publication date: January 31, 2008
    Applicant: Honeywell International Inc.
    Inventors: Haridasan Nair, Sudip Mukhopadhyay, Michael Van Der Puy
  • Publication number: 20070161827
    Abstract: Disclosed are fluorinated diene alcohols perferably having a fluorine content of at least about 45 weight percent and having a plurality of moieties of the formula CFx and a plurality of moieties of the formula CHx, where each x is independently 1, 2 or 3 and where each CFx moiety is not directly bonded to another CFx moiety.
    Type: Application
    Filed: January 9, 2006
    Publication date: July 12, 2007
    Applicant: Honeywell International Inc.
    Inventors: Jingji Ma, Michael Van Der Puy, David Nalewajek, Haridasan Nair, Lawrence Ford
  • Publication number: 20070129580
    Abstract: Disclosed is a method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CFnCHmXa-m??(I) to at least one compound of formula (II) CF3CZCHZ??(II). where each X is independently Cl, I or Br; each Z is independently H or F; n is 1 or 2; m is 1, 2 or 3, provided that when n is 1, m is 1 or 2; a is 2 or 3, and a-m?0. Certain embodiments include the step of reacting fluorinated C2 olefin, such as tetrafluoroethylene, with a Cl addition agent under conditions effective to produce a compound of formula (I).
    Type: Application
    Filed: November 3, 2006
    Publication date: June 7, 2007
    Applicant: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, Haridasan Nair, Hsueh Tung, Michael Van Der Puy, Rajiv Singh, Haiyou Wang, Robert Johnson
  • Publication number: 20070112230
    Abstract: Disclosed are methods for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CHXCH2X ??(I) to at least one compound of formula (II) CF3CZCHZ ??(II). where X is independently Cl, Br, I or F, and Z independently is H or F. In certain preferred embodiments, each Z is different.
    Type: Application
    Filed: November 3, 2006
    Publication date: May 17, 2007
    Applicant: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, Haridasan Nair, Hsueh Tung, Michael Van Der Puy, Daniel Merkel, Rajesh Dubey, Jing Ji Ma
  • Publication number: 20070112228
    Abstract: A method for preparing fluorinated organic compounds comprising contacting hydrogen fluoride with at least one compound of formula I: CX3CXYCH3??I where each X is independently Cl, I or Br, and each Y is independently H or F, said contacting step being carried out under conditions effective to produce a compound of formula II CF3CZCH2??II where Z is Cl, I, Br, or F.
    Type: Application
    Filed: November 3, 2006
    Publication date: May 17, 2007
    Applicant: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, Haridasan Nair, Hsueh Tung, Michael Van Der Puy, Daniel Merkel, Rajesh Dubey, Jing Ji Ma, Barbara Light, Kim Fleming, Cheryl Bortz, Richard Udy
  • Publication number: 20070112229
    Abstract: Disclosed is a method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CFnCHmXa-m ??(I) to at least one compound of formula (II) CF3CZCHZ ??(II). where each X is independently Cl, F, I or Br; each Z is independently H or F; n is 1 or 2; m is 1, 2 or 3, provided that when n is 1, mis 1 or 2; a is 2 or 3, and a-m?0. Certain embodiments include the step of reacting fluorinated C2 olefin, such as tetrafluoroethylene, with a Cl addition agent under conditions effective to produce a compound of formula (I).
    Type: Application
    Filed: November 3, 2006
    Publication date: May 17, 2007
    Applicant: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, Haridasan Nair, Rajesh Dubey, Rajiv Singh, George Shia
  • Publication number: 20070112227
    Abstract: Disclosed is a process for the preparation of fluorinated olefins. In preferred embodiments C3 olefins are produced by methods comprising contacting a compound of the Formula (I) C(R1aR2bR3c) ??(I) with a compound of Formula (II) C(R1aR2bR3c)Cn(R1aR2bR3c) ??II wherein R1a, R2b, and R3c are independently a hydrogen atom or a halogen selected from the group consisting of fluorine; chlorine, bromine and iodine, provided that the compound of formula I has at least three halogen substituents and that said at three halogen substituents comprise at least one fluorine; a, b and c are independently=0, 1, 2 or 3 and (a+b+c)=2 or 3; and n is 0 or 1, under conditions effective to produce at least one C3 fluoroolefin.
    Type: Application
    Filed: November 3, 2006
    Publication date: May 17, 2007
    Applicant: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, Haridasan Nair, Hsueh Tung, Michael Van Der Puy, Robert Johnson, Daniel Merkel
  • Publication number: 20070096053
    Abstract: Provided are methods for producing hydrofluorocarbons via the selective reduction of a halocarbon blend comprising 1,3-dichloro-1,1,2,2,3-pentafluoropropane.
    Type: Application
    Filed: November 3, 2005
    Publication date: May 3, 2007
    Applicant: Honeywell International Inc.
    Inventors: Haridasan Nair, Sudip Mukhopadhyay, Michael Van Der Puy
  • Publication number: 20060258891
    Abstract: A method for preparing fluorinated organic compounds wherein at least one fluorinated olefin is reacted with methyl fluoride in the gas-phase and in the presence of a Lewis Acid catalyst to form at least one product having at least 3 carbon atoms.
    Type: Application
    Filed: May 12, 2005
    Publication date: November 16, 2006
    Applicant: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, HsuehSung Tung, Haridasan Nair, Jingji Ma
  • Publication number: 20060144285
    Abstract: The present invention provides an ink for recordable media comprising a coating moiety and at least one fluorinated alcohol solvent for said at least one coating moiety, the fluorinated alcohol solvent preferably having a surface tension of not greater than about 27 dynes/cm. In certain preferred embodiments the fluorinated alcohol has the structure Rf—OH, wherein Rf is selected from the group consisting of H—[CX2]n—; Z-[CX2—CX2]n—; Z-[CZX—CX2]n—; Z-[CZX—CZX]n—; CZ2CH—; Z-[CX?CX]n—; Z-[CZ?CX]n; Z-[CZ?CZ]n—; Z-[CX2]n—; CX2?CX—[CX2]n—; and Z-CZX—CX(CZX2)—, wherein Z is independently —CF3, —CHF2, —CH2F; —R—CF3, —R—CHF2, or —R—CH2F, wherein R is a substituted or unsubstituted C1-C12 alkyl radical, or a substituted or unsubstituted fluorinated C1-C12 alkyl radical; X is independently hydrogen, Cl, Br, F, I, or Z; and n is an integer from 1 to 20.
    Type: Application
    Filed: December 30, 2004
    Publication date: July 6, 2006
    Applicant: Honeywell International, Inc.
    Inventors: Haridasan Nair, Rajiv Singh, George Shia
  • Publication number: 20060122301
    Abstract: Fluorinated divinyl ethers having structures according to Formula I or II: RfCX?CY—O—Z—O—CH?CH2??(I) RfCX?CY—O—M—O—CY?CXRf??(II) wherein Rf is fluorine or a C1-C20 fluorinated alkyl; X and Y are independently hydrogen, a halogen, or a C1-C20 fluorinated alkylene; Z is a C1-C20 alkylene, C3-C10 cycloalkylene, four to ten ring member aromatic and non-aromatic heterocycloalkylene, C6-C15 arylene, or C7-C20 arylalkylene; and M is a C1-C20 alkylene, C3-C18 fluorinated alkylene provided that the chain does not terminate with -CHF- or -CF2-, or a C3-C18 diol having the formula —HO—CH2—(CF2)n—CH2—OH— wherein n is an integer from 1 to 16. Curable compositions, polymers, films, coatings, and optical devices comprising fluorinated divinyl ether compounds are also disclosed as well as processes for producing optical devices from the fluorinated divinyl ether compounds and processes for producing the fluorinated divinyl ethers.
    Type: Application
    Filed: December 8, 2004
    Publication date: June 8, 2006
    Applicant: Honeywell International Inc.
    Inventors: Haridasan Nair, David Nalewajek
  • Publication number: 20060058428
    Abstract: Fluorinated vinyl ether-epoxides which are fluorinated compounds containing both vinyl ether and epoxide functionalities, a process for making them and their uses. The fluorinated vinyl ether-epoxide compounds have the formula wherein X and Y are independently H, a halogen, or a linear or branched C1 to C12 fluoroalkyl group; and Rf is a linear or branched C1 to C12 fluoroalkyl group or a halogen.
    Type: Application
    Filed: September 16, 2004
    Publication date: March 16, 2006
    Inventors: Haridasan Nair, David Nalewajek, Dennis Lavery
  • Publication number: 20060030744
    Abstract: Disclosed in one embodiment is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises (a) reacting a compound of formula (I) X1X2 with a compound of formula (II) CF3CH?CH2 to produce a reaction product comprising a compound of formula (III) CF3CHX1CH2X2, wherein X1 and X2 are each independently selected from the group consisting of hydrogen, chlorine, bromine and iodine, provided that X1 and X2 are not both hydrogen; (b) when X2 in formula (III) is not fluorine, fluorinating the compound of formula (III) to produce a reaction product comprising a compound of formula (III) wherein X1 is as described above and X2 is fluorine; and (c) exposing said compound of formula (III) to reaction conditions effective to convert said compound to 1,3,3,3-tetrafluoropropene.
    Type: Application
    Filed: April 29, 2005
    Publication date: February 9, 2006
    Applicant: Honeywell International Inc.
    Inventors: Sudip Mukhopadhyay, Haridasan Nair, HsuehSung Tung, Michael Van Der Puy
  • Publication number: 20060008731
    Abstract: Monomers and polymers useful for forming photoresists. More particularly, photoresists, as well as monomers and polymers for photoresists useful in micro-lithography, specifically monomers bearing acid-labile groups of reduced optical density. The resulting photoresists exhibit improved transparency to 157 nm light. The photoresist compositions are composed of a mixture of at least one water insoluble, acid decomposable polymer which is prepared from at least one monomer having a monomeric unit structure which comprises: where Hal=F, Cl or Br and X=H or F; and which is substantially transparent to ultraviolet radiation at a wavelength of about 157 nm, and at least one photoacid generator capable of generating an acid upon exposure to sufficient activating energy at a wavelength of about 157 nm.
    Type: Application
    Filed: July 9, 2004
    Publication date: January 12, 2006
    Inventors: Michael Van Der Puy, Jingji Ma, Dennis Lavery, Lawrence Ford, Haridasan Nair, David Nalewajek, Andrew Poss, Leonard Stachura