Patents by Inventor Gregory J. Shafer

Gregory J. Shafer 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: 8133407
    Abstract: Provided is a composition comprising (a) at least one halogenated compound selected from the group consisting of C3-C5 hydrofluoroolefin, CF3I, and combinations thereof, and (b) an effective stabilizing amount of a sesquiterpene selected from the group consisting of farnesol, farnesene, and mixtures thereof.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: March 13, 2012
    Assignee: Honeywell International Inc.
    Inventors: Gary Zyhowski, Rajiv Ratna Singh, Raymond H. Thomas, Mark W. Spatz, Roy P. Robinson, George J. Samuels, Gregory J. Shafer, Michael Van Der Puy, David P. Wilson, John L. Welch, Ronald P. Vogl, Samuel F. Yana Motta
  • Patent number: 8063149
    Abstract: A polymer blend including: (i) a fluoroolefin polymer prepared by a process, including contacting in a first reaction zone an initiator, 2,3,3,3-tetrafluoro-1-propene, and optionally, at least one first ethylenically unsaturated comonomer capable of copolymerizing therewith, wherein contacting is carried out at a first temperature, pressure and length of time sufficient to produce the fluoroolefin polymer; and (ii) an acrylic polymer prepared by a process, including contacting in a second reaction zone an initiator, at least one acrylic monomer selected from the group consisting of: acrylic acid, methacrylic acid, acrylate ester, methacrylate ester, and a mixture thereof, and optionally, at least one second ethylenically unsaturated comonomer capable of copolymerizing therewith, wherein contacting is carried out at a second temperature, pressure and length of time sufficient to produce the acrylic polymer. Processes for preparing the polymer blends are also provided.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: November 22, 2011
    Assignee: Honeywell International Inc.
    Inventors: George J Samuels, Gregory J Shafer
  • Publication number: 20110126558
    Abstract: The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, and at least one lubricant having hydrogen atoms and carbon atoms, wherein no more than 17% of the total number of hydrogen atoms which are attached to a carbon atom are tertiary hydrogen atoms.
    Type: Application
    Filed: February 8, 2011
    Publication date: June 2, 2011
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RAYMOND H. THOMAS, RAJIV R. SINGH, GEORGE J. SAMUELS, IAN SHANKLAND, DAVID P. WILSON, ROY P. ROBINSON, MICHAEL VAN DER PUY, JOHN L. WELCH, GREGORY J. SHAFER, MARK W. SPATZ, RYAN HULSE
  • Patent number: 7803890
    Abstract: A process for the preparation of a fluoroolefin polymer, including the step of: contacting in a reaction zone: an initiator; CF3CF?CH2, and optionally, at least one ethylenically unsaturated comonomer capable of copolymerizing therewith; wherein the contacting is carried out at a temperature, pressure and length of time sufficient to produce the fluoroolefin polymer.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: September 28, 2010
    Assignee: Honeywell International Inc.
    Inventors: George J Samuels, Gregory J Shafer
  • Publication number: 20090283712
    Abstract: Provided is a composition comprising (a) at least one halogenated compound selected from the group consisting of C3-C5 hydrofluoroolefin, CF3I, and combinations thereof, and (b) an effective stabilizing amount of a sesquiterpene selected from the group consisting of farnesol, farnesene, and mixtures thereof.
    Type: Application
    Filed: May 15, 2009
    Publication date: November 19, 2009
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Gary Zyhowski, Rajiv Ratna Singh, Raymond H. Thomas, Mark W. Spatz, Roy P. Robinson, George J. Samuels, Gregory J. Shafer, Michael Van Der Puy, David P. Wilson, John L. Welch, Ronald P. Vogl, Samuel F. Yana Motta
  • Patent number: 7531701
    Abstract: A process for the preparation of an allyloxytrifluoropropene derivative of the formula CF3CH?CR1(OCH2CR?CH2) wherein R1 is hydrogen, fluoro, or an allyloxy group represented by the formula —OCH2CR?CH2 wherein R is hydrogen or methyl including contacting (I) a compound represented by the formula CF3CH?CR2R3 wherein R2 is selected from the group consisting of hydrogen, chloro, and fluoro and wherein R3 is chloro or fluoro; and (ii) an allyl alcohol derivative of the formula HOCH2CR?CH2 wherein R is selected from the group consisting of: hydrogen and methyl; wherein the contacting is carried out in the presence of a base and optionally a solvent at a temperature and length of time sufficient to produce the allyloxytrifluoropropene derivative. A process for the preparation of polymers of the allyloxytrifluoropropene derivatives is also provided.
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: May 12, 2009
    Assignee: Honeywell International Inc.
    Inventors: Haridasan K. Nair, Rajiv R. Singh, Gregory J. Shafer
  • Publication number: 20080312392
    Abstract: A process for preparing a polymer comprising the step of: polymerizing: (i) an allyloxytrifluoropropene derivative selected from the group consisting of compounds represented by the formula: CF3CH?CH(OCH2CR?CH2); CF3CH?C(OCH2CR?CH2)2; CF3CH?CF(OCH2CR?CH2); and ?any mixtures thereof; wherein R is selected from the group consisting of: hydrogen and methyl; and optionally (ii) an ethylenically unsaturated comonomer; wherein the copolymerizing step is carried out in the presence of a catalyst, under conditions sufficient to produce the copolymer.
    Type: Application
    Filed: August 22, 2008
    Publication date: December 18, 2008
    Inventors: HARIDASAN K. NAIR, Rajiv R. Singh, Gregory J. Shafer
  • Publication number: 20080171844
    Abstract: A polyvinylidene difluoride copolymer with a fluoroolefin selected from 2,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2-chloro-pentafluoropropene, hexafluoropropylene, trifluoroethylene, chlorotrifluoroethylene, 3,3,3-trifluoro-2-trifluoromethylpropene and a mixture thereof, wherein the stoichiometry of the co-monomers defines the barrier properties of the copolymer. Such polymers include moisture barrier copolymers and oxygen barrier copolymer. Processes for preparing such moisture barrier copolymers and oxygen barrier copolymers are also provided.
    Type: Application
    Filed: December 20, 2007
    Publication date: July 17, 2008
    Inventors: George J. Samuels, Gregory J. Shafer, Tao Li, Clinton A. Threlfall, Nancy Iwamoto, Eric J. Rainal
  • Publication number: 20080157023
    Abstract: The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, a lubricant and a metal stabilizer.
    Type: Application
    Filed: November 8, 2007
    Publication date: July 3, 2008
    Inventors: George J. Samuels, Samuel F. Yana Motta, Gregory J. Shafer, Rajiv R. Singh, Mark W. Spatz, Raymond H. Thomas, Michael Van Der Puy, John L. Welch, David P. Wilson, Gary Zyhowski
  • Publication number: 20080153977
    Abstract: A polymer blend including: (i) a fluoroolefin polymer prepared by a process, including contacting in a first reaction zone an initiator, 2,3,3,3-tetrafluoro-1-propene, and optionally, at least one first ethylenically unsaturated comonomer capable of copolymerizing therewith, wherein contacting is carried out at a first temperature, pressure and length of time sufficient to produce the fluoroolefin polymer; and (ii) an acrylic polymer prepared by a process, including contacting in a second reaction zone an initiator, at least one acrylic monomer selected from the group consisting of: acrylic acid, methacrylic acid, acrylate ester, methacrylate ester, and a mixture thereof, and optionally, at least one second ethylenically unsaturated comonomer capable of copolymerizing therewith, wherein contacting is carried out at a second temperature, pressure and length of time sufficient to produce the acrylic polymer. Processes for preparing the polymer blends are also provided.
    Type: Application
    Filed: December 19, 2007
    Publication date: June 26, 2008
    Inventors: George J. Samuels, Gregory J. Shafer
  • Publication number: 20080153978
    Abstract: A process for the preparation of a fluoroolefin polymer, including the step of: contacting in a reaction zone: an initiator; CF3CF?CH2, and optionally, at least one ethylenically unsaturated comonomer capable of copolymerizing therewith; wherein the contacting is carried out at a temperature, pressure and length of time sufficient to produce the fluoroolefin polymer.
    Type: Application
    Filed: December 19, 2007
    Publication date: June 26, 2008
    Inventors: George J. Samuels, Gregory J. Shafer
  • Publication number: 20080153955
    Abstract: A process for the preparation of a fluoroolefin polymer from an azeotropic mixture of monomers having a constant composition, the process including the step of: contacting in a reaction zone: (i) an initiator; and (ii) an azeotropic mixture of monomers including at least one fluoroolefin and, optionally, at least one ethylenically unsaturated comonomer capable of copolymerizing therewith; wherein the contacting is carried out at a temperature, pressure and length of time sufficient to produce the fluoroolefin polymer.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 26, 2008
    Inventors: George J. Samuels, Gregory J. Shafer, Hang T. Pham
  • Publication number: 20080116417
    Abstract: A method for removing iodine and iodide ions from heat transfer compositions which contain a hydrofluoroalkene, an iodocarbon, and iodine and iodide ions. Iodine and iodide ions from such heat transfer compositions by contacting the composition with a molecular sieve, ion exchange resin, clay or alumina, metal impregnated with a metal which is capable of reacting with iodine and iodide ions.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 22, 2008
    Inventors: George J. Samuels, Samuel F. Yana Motta, Gregory J. Shafer, Rajiv R. Singh, Mark W. Spatz, Raymond H. Thomas, Michael Van Der Puy, John L. Welch, Gary Zyhowski, David P. Wilson
  • Publication number: 20080111100
    Abstract: The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, and at least one lubricant having hydrogen atoms and carbon atoms, wherein no more than 17% of the total number of hydrogen atoms which are attached to a carbon atom are tertiary hydrogen atoms.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 15, 2008
    Inventors: RAYMOND H. THOMAS, Rajiv R. Singh, George J. Samuels, Ian Shankland, David P. Wilson, Roy P. Robinson, Michael Van Der Puy, John L. Welch, Gregory J. Shafer, Mark W. Spatz, Ryan Hulse
  • Publication number: 20080111099
    Abstract: The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, a polyol ester and at least one compound comprising trifluoromethane, methyl iodide, heptafluorobutane or propene.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 15, 2008
    Inventors: Rajiv R. Singh, Raymond H. Thomas, George J. Samuels, David P. Wilson, Michael Van Der Puy, John L. Welch, Gregory J. Shafer, Mark W. Spatz
  • Publication number: 20080110833
    Abstract: A method for removing iodine from heat transfer compositions which contain a hydrofluoroalkene, an iodocarbon, and iodine. Iodine from such heat transfer compositions by contacting the composition with activated carbon.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 15, 2008
    Inventors: George J. Samuels, Samuel F. Yana Motta, Gregory J. Shafer, Rajiv R. Singh, Mark W. Spatz, Raymond H. Thomas, Michael Van Der Puy, John L. Welch, Gary Zyhowski, David P. Wilson