Patents by Inventor William P. PAVLEK

William P. PAVLEK 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: 11845838
    Abstract: Embodiments of organic peroxide formulations provide significant improvements in surface tackiness (often including tack-free surfaces) when curing elastomers in the presence of oxygen. The peroxide formulations may include, for example, one or more compounds selected from sulfur-containing compounds, organophosphite compounds, HALS (Hindered Amine Light Stabilizer) compounds, aliphatic allyl urethane compounds, and blends comprising nitroxides (e.g., 4-hydroxy-TEMPO) and quinones (e.g., mono-tert-butylhydroquinone).
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: December 19, 2023
    Assignee: Arkema Inc.
    Inventors: Leonard H. Palys, Peter R. Dluzneski, William P. Pavlek, Alfredo Defrancisci, Feng-Jon Chang, Marina Despotopoulou, Michael B Abrams, Joseph M. Brennan, Isabelle Tartarin
  • Publication number: 20230113977
    Abstract: Non-polymeric coupling agent formulation for producing wood-polymer composites include at least one organic peroxide and a non-polymeric bio-based additive that includes at least one of a bio-based oil or a bio-based acid or derivatives of bio-based oils or acid is provided. The coupling agent formulations are capable of producing polymer matrix composites having improved strength and aging characteristics. The improved strength may be related to physical properties such as improved stiffness, toughness or tensile strength. A masterbatch utilizing the non-polymeric coupling agent formulation is provided, as well as a method making the masterbatch.
    Type: Application
    Filed: April 8, 2021
    Publication date: April 13, 2023
    Inventors: Peter R. DLUZNESKI, William P. PAVLEK, Leonard H. PALYS, Michael B. Abrams, Marina DESPOTOPOULOU
  • Publication number: 20230113267
    Abstract: Formulations for producing modified bio-based polymers, especially bio-based polyesters like PLA and/or biodegradable polymers like PBAT, include at least one organic peroxide and at least one bio-based reactive additive. The at least one organic peroxide and/or the at least one bio-based reacted additive are capable of reacting with a bio-based polymer and/or biodegradable polymer to produce the modified bio-based and/or modified biodegradable polymer. The modified bio-based and/or modified biodegradable polymers have improved properties compared to non-modified bio-based and/or biodegradable polymers. The improved properties may related to processability, especially improved melt strength which results in easier processing while producing foamed polymers, thin films, such as blown film, cast film, tentered film and the like. The improved properties may be related to physical properties such as improved stiffness, toughness or tensile strength.
    Type: Application
    Filed: April 8, 2021
    Publication date: April 13, 2023
    Inventors: Leonard H. PALYS, Peter R. DLUZNESKI, Michael B. ABRAMS, Marina DESPOTOPOULOU, William P. PAVLEK
  • Publication number: 20220056275
    Abstract: A coupling agent formulation for cellulosic material-polymer composites is provided. The formulation includes a) at least one organic peroxide; and b) at least one of i) at least one zinc-containing reagent; and/or ii) at least one silicon-containing reagent. The coupling agent formulations produce polymer matrix cellulosic material composites with improved strength and aging characteristics. The improved strength may be related to physical properties such as improved stiffness, toughness or tensile strength. A masterbatch utilizing the coupling agent formulation is provided, as well as a method making the masterbatch.
    Type: Application
    Filed: October 6, 2021
    Publication date: February 24, 2022
    Inventors: William P. PAVLEK, Peter R. DLUZNESKI, Leonard H. PALYS, Michael B. ABRAMS, Marina DESPOTOPOULOU
  • Patent number: 11118028
    Abstract: Embodiments of organic peroxide formulations provide longer scorch time protection and require fewer additives. The peroxide formulations may include, for example, at least one organic peroxide, at least one nitroxide-containing compound (e.g., 4-hydroxy-TEMPO), and at least one quinone-containing compound (e.g., mono-tert-butylhydroquinone).
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: September 14, 2021
    Assignee: Arkema Inc.
    Inventors: Leonard H. Palys, William P. Pavlek, Peter R. Dluzneski
  • Publication number: 20200299469
    Abstract: Embodiments of organic peroxide formulations provide significant improvements in surface tackiness (often including tack-free surfaces) when curing elastomers in the presence of oxygen. The peroxide formulations may include, for example, one or more compounds selected from sulfur-containing compounds, organophosphite compounds, HALS (Hindered Amine Light Stabilizer) compounds, aliphatic allyl urethane compounds, and blends comprising nitroxides (e.g., 4-hydroxy-TEMPO) and quinones (e.g., mono-tert-butylhydroquinone).
    Type: Application
    Filed: June 10, 2020
    Publication date: September 24, 2020
    Inventors: Leonard H. PALYS, Peter R. DLUZNESKI, William P. PAVLEK, Alfredo DEFRANCISCI, Feng-Jon CHANG, Marina DESPOTOPOULOU, Michael B. ABRAMS, Joseph M. BRENNAN, Isabelle TARTARIN
  • Patent number: 10752764
    Abstract: An organic peroxide formulation includes at least one organic peroxide and at least one cellulose compound. Embodiments of the organic peroxide formulations significant improvements in surface tackiness (often including but not limited to tack-free surfaces) when curing elastomers in the presence of oxygen. Embodiments of the present invention relate to organic peroxide formulations that can cure solid elastomers in the full or partial presence of oxygen using, for example, a hot air oven or tunnel, molten salt bath, or steam autoclave. Embodiments of the invention also relate to crosslinkable elastomer compositions, processes for curing the elastomers, and products made by such processes.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: August 25, 2020
    Assignee: Arkema Inc.
    Inventors: Feng-Jon Chang, William P. Pavlek, Leonard H. Palys, Peter R. Dluzneski, Marina Despotopoulou, Alfredo Defrancisci, Joseph M. Brennan, Michael B. Abrams, Isabelle Tartarin
  • Patent number: 10717829
    Abstract: Embodiments of organic peroxide formulations provide significant improvements in surface tackiness (often including tack-free surfaces) when curing elastomers in the presence of oxygen. The peroxide formulations may include, for example, one or more compounds selected from sulfur-containing compounds, organophosphite compounds, HALS (Hindered Amine Light Stabilizer) compounds, aliphatic allyl urethane compounds, and blends comprising nitroxides (e.g., 4-hydroxy-TEMPO) and quinones (e.g., mono-tert-butylhydroquinone).
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: July 21, 2020
    Assignee: Arkema Inc.
    Inventors: Leonard H. Palys, Peter R. Dluzneski, William P. Pavlek, Alfredo Defrancisci, Feng-Jon Chang, Marina Despotopoulou, Michael B. Abrams, Joseph M. Brennan, Isabelle Tartarin
  • Patent number: 10563039
    Abstract: An organic peroxide formulation comprises at least one organic peroxide, at least one drying oil, and at least one free radical trap. A process comprises curing mixtures that include at least one elastomer and the organic peroxide formulation in the presence of oxygen. Elastomer compositions, methods of manufacturing elastomer articles, and elastomer articles made from the elastomer compositions are also disclosed.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: February 18, 2020
    Assignee: Arkema Inc.
    Inventors: William P. Pavlek, Peter R. Dluzneski, Leonard H. Palys, Marina Despotopoulou
  • Publication number: 20190292352
    Abstract: Embodiments of organic peroxide formulations provide longer scorch time protection and require fewer additives. The peroxide formulations may include, for example, at least one organic peroxide, at least one nitroxide-containing compound (e.g., 4-hydroxy-TEMPO), and at least one quinone-containing compound (e.g., mono-tert-butylhydroquinone).
    Type: Application
    Filed: June 11, 2019
    Publication date: September 26, 2019
    Inventors: Leonard H. Palys, William P. Pavlek, Peter R. Dluzneski
  • Publication number: 20190256671
    Abstract: Embodiments of organic peroxide formulations provide significant improvements in surface tackiness (often including tack-free surfaces) when curing elastomers in the presence of oxygen. The peroxide formulations may include, for example, one or more compounds selected from sulfur-containing compounds, organophosphite compounds, HALS (Hindered Amine Light Stabilizer) compounds, aliphatic allyl urethane compounds, and blends comprising nitroxides (e.g., 4-hydroxy-TEMPO) and quinones (e.g., mono-tert-butylhydroquinone).
    Type: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Inventors: Leonard H. PALYS, Peter R. DLUZNESKI, William P. PAVLEK, Alfredo DEFRANCISCI, Feng-Jon CHANG, Marina DESPOTOPOULOU, Michael B. ABRAMS, Joseph M. BRENNAN, Isabelle TARTARIN
  • Patent number: 10344142
    Abstract: Embodiments of organic peroxide formulations provide longer scorch time protection and require fewer additives. The peroxide formulations may include, for example, at least one organic peroxide, at least one nitroxide-containing compound (e.g., 4-hydroxy-TEMPO), and at least one quinone-containing compound (e.g., mono-tert-butylhydroquinone). Embodiments of the present invention relate to organic peroxide compositions comprising scorch retarders. Embodiments of the invention also relate to crosslinkable elastomer compositions, processes for curing the elastomers, and products made by such processes.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: July 9, 2019
    Assignee: ARKEMA INC.
    Inventors: Leonard H. Palys, William P. Pavlek, Peter R. Dluzneski
  • Patent number: 10316154
    Abstract: Embodiments of organic peroxide formulations provide significant improvements in surface tackiness (often including tack-free surfaces) when curing elastomers in the presence of oxygen. The peroxide formulations may include, for example, one or more compounds selected from sulfur-containing compounds, organophosphite compounds, HALS (Hindered Amine Light Stabilizer) compounds, aliphatic allyl urethane compounds, and blends comprising nitroxides (e.g., 4-hydroxy-TEMPO) and quinones (e.g., mono-tert-butylhydroquinone).
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: June 11, 2019
    Assignee: Arkema Inc.
    Inventors: Leonard H. Palys, Peter R. Dluzneski, William P. Pavlek, Alfredo Defrancisci, Feng-Jon Chang, Marina Despotopoulou, Michael B. Abrams, Joseph M. Brennan, Isabelle Tartarin
  • Publication number: 20170355785
    Abstract: A peroxide formulation includes at least one peroxide and at least one compound having a secondary amine group selected from amino acids, such as arginine, folic acid, and polyethyleneamines. The peroxide formulation is capable of curing an aqueous elastomer such as a latex in the full or partial presence of oxygen. Methods of using the peroxide formulation include dip-molding latex elastomer compositions.
    Type: Application
    Filed: October 27, 2015
    Publication date: December 14, 2017
    Applicant: Arkema Inc.
    Inventors: Peter R. Dluzneski, Leonard H. Palys, William P. Pavlek
  • Publication number: 20170267832
    Abstract: An organic peroxide formulation comprises at least one organic peroxide, at least one drying oil, and at least one free radical trap. A process comprises curing mixtures that include at least one elastomer and the organic peroxide formulation in the presence of oxygen. Elastomer compositions, methods of manufacturing elastomer articles, and elastomer articles made from the elastomer compositions are also disclosed.
    Type: Application
    Filed: December 3, 2015
    Publication date: September 21, 2017
    Inventors: William P. PAVLEK, Peter R. DLUZNESKI, Leonard H. PALYS, Marina DESPOTOPOULOU
  • Publication number: 20170267855
    Abstract: An organic peroxide formulation includes at least one organic peroxide and at least one cellulose compound. Embodiments of the organic peroxide formulations significant improvements in surface tackiness (often including but not limited to tack-free surfaces) when curing elastomers in the presence of oxygen. Embodiments of the present invention relate to organic peroxide formulations that can cure solid elastomers in the full or partial presence of oxygen using, for example, a hot air oven or tunnel, molten salt bath, or steam autoclave. Embodiments of the invention also relate to crosslinkable elastomer compositions, processes for curing the elastomers, and products made by such processes.
    Type: Application
    Filed: December 3, 2015
    Publication date: September 21, 2017
    Inventors: Feng-Jon CHANG, William P. PAVLEK, Leonard H. PALYS, Peter R. DLUZNESKI, Marina DESPOTOPOULOU, Alfredo DEFRANCISCI, Joseph M. BRENNAN, Michael B. ABRAMS, Isabelle TARTARIN
  • Publication number: 20170267834
    Abstract: Embodiments of organic peroxide formulations provide longer scorch time protection and require fewer additives. The peroxide formulations may include, for example, at least one organic peroxide, at least one nitroxide-containing compound (e.g., 4-hydroxy-TEMPO), and at least one quinone-containing compound (e.g., mono-tert-butylhydroquinone). Embodiments of the present invention relate to organic peroxide compositions comprising scorch retarders. Embodiments of the invention also relate to crosslinkable elastomer compositions, processes for curing the elastomers, and products made by such processes.
    Type: Application
    Filed: December 4, 2015
    Publication date: September 21, 2017
    Applicant: ARKEMA INC.
    Inventors: Leonard H. PALYS, William P. PAVLEK, Peter R. DLUZNESKI
  • Publication number: 20170260343
    Abstract: Embodiments of organic peroxide formulations provide significant improvements in surface tackiness (often including tack-free surfaces) when curing elastomers in the presence of oxygen. The peroxide formulations may include, for example, one or more compounds selected from sulfur-containing compounds, organophosphite compounds, HALS (Hindered Amine Light Stabilizer) compounds, aliphatic allyl urethane compounds, and blends comprising nitroxides (e.g., 4-hydroxy-TEMPO) and quinones (e.g., mono-tert-butylhydroquinone).
    Type: Application
    Filed: December 3, 2015
    Publication date: September 14, 2017
    Inventors: Leonard H. PALYS, Peter R. DLUZNESKI, William P. PAVLEK, Alfredo DEFRANCISCI, Feng-Jon CHANG, Marina DESPOTOPOULOU, Michael B. ABRAMS, Joseph M. BRENNAN, Isabelle TARTARIN