Patents by Inventor Frederick Ignatz-Hoover

Frederick Ignatz-Hoover 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: 20190211161
    Abstract: Vulcanizable elastomeric formulation are disclosed. The formulations comprise at least one elastomer; a vulcanizing agent comprising cyclododecasulfur; and a prevulcanization inhibitor, present in an amount, for example, from about 0.01 phr to about 10 phr.
    Type: Application
    Filed: March 19, 2019
    Publication date: July 11, 2019
    Applicant: Eastman Chemical Company
    Inventors: Scott Donald Barnicki, Frederick Ignatz-Hoover, Robert Thomas Hembre, Andrew Neil Smith, Henk Kreulen, Aruna M. Velamakanni, Chenchy Lin, Ronald H. Arthur
  • Patent number: 10287418
    Abstract: A compound represented by the formula: wherein R is selected from the group consisting of (i) substituted or unsubstituted alkyl with C=0 to 12 inclusive; (ii) substituted or unsubstituted aryl; and (iii) substituted and unsubstituted alkylaryl; wherein X1, X2, X3 and X4 are each selected from the group consisting of alkyl, aryl, alkylaryl groups and hydrogen; wherein R1, R2, R3, and R4 are each selected from the group consisting of alkyl, aryl, alkylaryl groups and hydrogen and R2 and R3 may optionally be bridged by a polymethylene group; wherein when C=0 in R, the combined group R1 R2 is the same as the combined group R3 R4; and wherein when C=1 in R, each of R1, R2, R3, and R4 are hydrogen.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: May 14, 2019
    Assignee: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Donald L. Fields, Jr., Frederick Ignatz-Hoover
  • Patent number: 10280281
    Abstract: Processes for forming a vulcanizable elastomeric formulation are disclosed. The processes include the steps of mixing an elastomer with a vulcanizing agent to form a vulcanizable elastomeric formulation that includes the vulcanizing agent dispersed in the elastomeric compound, wherein the vulcanizing agent includes a cyclododecasulfur compound. A process for forming a vulcanized elastomeric article is also described.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: May 7, 2019
    Assignee: Eastman Chemical Company
    Inventors: Scott Donald Barnicki, Frederick Ignatz-Hoover, Robert Thomas Hembre, Andrew Neil Smith, Henk Kreulen, Aruna M. Velamakanni
  • Patent number: 10260017
    Abstract: A compound represented by the formula: wherein each R is independently selected from the group consisting of (i) substituted or unsubstituted alkyl with C=0 to 12 inclusive; wherein X1, X2, X3 and X4 are each independently selected from the group consisting of alkyl, aryl, alkylaryl groups and hydrogen; wherein R1, R2, R3, and R4 are each independently selected from the group consisting of alkyl, aryl, alkylaryl groups and hydrogen; and wherein one of R1 and R2 and one of R3 and R4 may optionally be bridged by a polymethylene group to form a cycloalkyl; wherein when C=0 in R, the combined group R1 R2 is the same as the combined group R3 R4; and wherein when C=1 in R, each of R1, R2, R3, and R4 are hydrogen.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: April 16, 2019
    Assignee: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Donald L. Fields, Jr., Frederick Ignatz-Hoover
  • Publication number: 20190002665
    Abstract: Processes for forming a vulcanizable elastomeric formulation are disclosed. The processes include the steps of mixing an elastomer with a vulcanizing agent to form a vulcanizable elastomeric formulation that includes the vulcanizing agent dispersed in the elastomeric compound, wherein the vulcanizing agent includes a cyclododecasulfur compound. A process for forming a vulcanized elastomeric article is also described.
    Type: Application
    Filed: September 6, 2018
    Publication date: January 3, 2019
    Applicant: Eastman Chemical Company
    Inventors: Scott Donald Barnicki, Frederick Ignatz-Hoover, Robert Thomas Hembre, Andrew Neil Smith, Henk Kreulen, Aruna M. Velamakanni
  • Patent number: 10167252
    Abstract: Antidegradant compounds are disclosed, and methods of making them, that are represented by the formula I: wherein each X is independently selected from the group consisting of ethyl, methyl, or hydrogen. Also disclosed are diimine intermediates corresponding to formula III: wherein each X is independently selected from the group consisting of ethyl, methyl, or hydrogen. These intermediates themselves exhibit antidegradant activity.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: January 1, 2019
    Assignee: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Donald L. Fields, Jr., Frederick Ignatz-Hoover
  • Patent number: 10160845
    Abstract: Methods of making antidegradant compounds are disclosed in which a p-phenylenediamine is reacted with a diol to obtain mixtures comprising the antidegradant compounds.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: December 25, 2018
    Assignee: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Donald L. Fields, Jr., Frederick Ignatz-Hoover
  • Patent number: 10160718
    Abstract: A method of making antidegradant compounds is disclosed, in which a p-phenylenediamine is reacted with an alpha-hydroxy carbonyl compound to thereby obtain an enediamine, which is reduced to thereby obtain a mixture comprising the antidegradant compound.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: December 25, 2018
    Assignee: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Donald L. Fields, Jr., Frederick Ignatz-Hoover
  • Publication number: 20180355148
    Abstract: A compound represented by the formula: wherein R is selected from the group consisting of (i) substituted or unsubstituted alkyl with C=0 to 12 inclusive; (ii) substituted or unsubstituted aryl; and (iii) substituted and unsubstituted alkylaryl; wherein X1, X2, X3 and X4 are each selected from the group consisting of alkyl, aryl, alkylaryl groups and hydrogen; wherein R1, R2, R3, and R4 are each selected from the group consisting of alkyl, aryl, alkylaryl groups and hydrogen and R2 and R3 may optionally be bridged by a polymethylene group; wherein when C=0 in R, the combined group R1 R2 is the same as the combined group R3 R4; and wherein when C=1 in R, each of R1, R2, R3, and R4 are hydrogen.
    Type: Application
    Filed: August 14, 2018
    Publication date: December 13, 2018
    Applicant: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Donald L. Fields, JR., Frederick Ignatz-Hoover
  • Patent number: 10011663
    Abstract: A vulcanizing composition useful for the vulcanization of vulcanizable formulations is disclosed. The vulcanizing composition includes a vulcanizing agent which in turn includes a cyclododecasulfur compound. A cyclododecasulfur compound characterized by a DSC melt point onset of between 155° C. and 167° C. when measured at a DSC heat rate of 20° C./minute is also disclosed.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: July 3, 2018
    Assignee: EASTMAN CHEMICAL COMPANY
    Inventors: Scott Donald Barnicki, Frederick Ignatz-Hoover, Robert Thomas Hembre, Andrew Neil Smith, Henk Kreulen
  • Publication number: 20180002497
    Abstract: An elastomeric composition is provided comprising at least one vulcanizable unsaturated hydrocarbon elastomeric compound, at least one non-fibril, water insoluble vinyl acetal polymer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.
    Type: Application
    Filed: September 15, 2017
    Publication date: January 4, 2018
    Applicant: Eastman Chemical Company
    Inventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson
  • Publication number: 20170321033
    Abstract: Processes for forming a vulcanizable elastomeric formulation are disclosed. The processes include the steps of mixing an elastomer with a vulcanizing agent to form a vulcanizable elastomeric formulation that includes the vulcanizing agent dispersed in the elastomeric compound, wherein the vulcanizing agent includes a cyclododecasulfur compound. A process for forming a vulcanized elastomeric article is also described.
    Type: Application
    Filed: July 25, 2017
    Publication date: November 9, 2017
    Applicant: Eastman Chemical Company
    Inventors: Scott Donald Barnicki, Frederick Ignatz-Hoover, Robert Thomas Hembre, Andrew Neil Smith, Henk Kreulen, Aruna M. Velamakanni
  • Publication number: 20170321045
    Abstract: An elastomeric composition is provided comprising at least one elastomeric compound, at least one vinyl acetal polymer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 9, 2017
    Applicant: Eastman Chemical Company
    Inventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz-Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson
  • Publication number: 20170275233
    Abstract: Methods of making antidegradant compounds are disclosed in which a p-phenylenediamine is reacted with a dicarbonyl to thereby obtain a diimine, which is reduced to obtain mixtures comprising the antidegradant compound.
    Type: Application
    Filed: June 9, 2017
    Publication date: September 28, 2017
    Applicant: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Donald L. Fields, JR., Frederick Ignatz-Hoover
  • Publication number: 20170275239
    Abstract: Antidegradant compounds are disclosed, and methods of making them, that are represented by the formula I: wherein each X is independently selected from the group consisting of ethyl, methyl, or hydrogen. Also disclosed are diimine intermediates corresponding to formula III: wherein each X is independently selected from the group consisting of ethyl, methyl, or hydrogen. These intermediates themselves exhibit antidegradant activity.
    Type: Application
    Filed: June 9, 2017
    Publication date: September 28, 2017
    Applicant: Eastman Chemical Company
    Inventors: MATTHEW ALLEN BOONE, Donald L. Fields, JR., Frederick Ignatz-Hoover
  • Publication number: 20170275238
    Abstract: Methods of making antidegradant compounds are disclosed in which a p-phenylenediamine is reacted with a diol to obtain mixtures comprising the antidegradant compounds.
    Type: Application
    Filed: June 9, 2017
    Publication date: September 28, 2017
    Applicant: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Donald L. Fields, JR., Frederick Ignatz-Hoover
  • Publication number: 20170275234
    Abstract: A method of making antidegradant compounds is disclosed, in which a p-phenylenediamine is reacted with an alpha-hydroxy carbonyl compound to thereby obtain an enediamine, which is reduced to thereby obtain a mixture comprising the antidegradant compound.
    Type: Application
    Filed: June 9, 2017
    Publication date: September 28, 2017
    Applicant: Eastman Chemical Company
    Inventors: MATTHEW ALLEN BOONE, Donald L. Fields, Frederick Ignatz-Hoover
  • Publication number: 20170226234
    Abstract: A vulcanizing composition useful for the vulcanization of vulcanizable formulations is disclosed. The vulcanizing composition includes a vulcanizing agent which in turn includes a cyclododecasulfur compound. A cyclododecasulfur compound characterized by a DSC melt point onset of between 155° C. and 167° C. when measured at a DSC heat rate of 20° C./minute is also disclosed.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 10, 2017
    Applicant: Eastman Chemical Company
    Inventors: Scott Donald Barnicki, Frederick Ignatz-Hoover, Robert Thomas Hembre, Andrew Neil Smith, Henk Kreulen
  • Publication number: 20160237220
    Abstract: An elastomeric composition is provided comprising at least one elastomeric compound, at least one vinyl acetal polymer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.
    Type: Application
    Filed: February 10, 2016
    Publication date: August 18, 2016
    Applicant: Eastman Chemical Company
    Inventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson
  • Publication number: 20160237256
    Abstract: An elastomeric composition is provided comprising at least one elastomeric compound, at least one vinyl acetal polymer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.
    Type: Application
    Filed: February 10, 2016
    Publication date: August 18, 2016
    Applicant: Eastman Chemical Company
    Inventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson