Patents by Inventor David A. Rich

David A. Rich 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: 20250109795
    Abstract: The present disclosure relates to a multilayer gasket that may include a core layer, and a first outer layer overlying a first surface of the core layer. The first outer layer may include a low-melt fluoropolymer material having a melting temperature of not greater than about 300° C.
    Type: Application
    Filed: September 26, 2024
    Publication date: April 3, 2025
    Inventors: David A. RICH, Joseph G. SARGENT
  • Patent number: 12247619
    Abstract: The present disclosure relates to a low friction bearing liner for a solenoid may include a low friction layer. The low friction layer may include a first fluoropolymer matrix component and a first thermoplastic filler component distributed throughout the first fluoropolymer matrix component. The content of the first fluoropolymer matrix component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer. The content of the first thermoplastic filler component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer.
    Type: Grant
    Filed: November 10, 2023
    Date of Patent: March 11, 2025
    Assignee: VERSIV COMPOSITES LIMITED
    Inventors: David A. Rich, Nicole M. DiRando
  • Publication number: 20250050626
    Abstract: The present disclosure relates to a composite article that may include a structural substrate, a multilayer fluoropolymer film that can include a high-melt fluoropolymer layer and a low-melt fluoropolymer adhesion layer that may contact the structural substrate and the fluoropolymer film. The high-melt fluoropolymer layer may have a melting temperature A1 and the low-melt fluoropolymer adhesive layer may have a melting temperature A2. The melting temperature A2 may be less than the melting temperature A1.
    Type: Application
    Filed: October 24, 2024
    Publication date: February 13, 2025
    Inventors: David A. RICH, Gerard T. BUSS, James M. McMARTIN, Timothy P. POLLOCK
  • Patent number: 12157292
    Abstract: The present disclosure relates to a composite article that may include a structural substrate, a multilayer fluoropolymer film that can include a high-melt fluoropolymer layer and a low-melt fluoropolymer adhesion layer that may contact the structural substrate and the fluoropolymer film. The high-melt fluoropolymer layer may have a melting temperature A1 and the low-melt fluoropolymer adhesive layer may have a melting temperature A2. The melting temperature A2 may be less than the melting temperature A1.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: December 3, 2024
    Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: David A. Rich, Gerard T. Buss, James M. McMartin, Timothy P. Pollock
  • Publication number: 20240077107
    Abstract: The present disclosure relates to a low friction bearing liner for a solenoid may include a low friction layer. The low friction layer may include a first fluoropolymer matrix component and a first thermoplastic filler component distributed throughout the first fluoropolymer matrix component. The content of the first fluoropolymer matrix component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer. The content of the first thermoplastic filler component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 7, 2024
    Inventors: David A. RICH, Nicole M. Dirando
  • Patent number: 11852194
    Abstract: The present disclosure relates to a low friction bearing liner for a solenoid may include a low friction layer. The low friction layer may include a first fluoropolymer matrix component and a first thermoplastic filler component distributed throughout the first fluoropolymer matrix component. The content of the first fluoropolymer matrix component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer. The content of the first thermoplastic filler component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: December 26, 2023
    Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: David A. Rich, Nicole M. Dirando
  • Patent number: 11708857
    Abstract: The present disclosure relates to a low friction bearing liner for a solenoid that may include a core layer, a first outer layer overlying a first surface of the core layer, a second outer layer overlying the first outer layer, a first inner layer overlying a second surface of the core layer that is opposite of the first surface of the core layer, and a second inner layer overlying the first inner layer. The first outer layer and the first inner layer may include a fluoropolymer material and may have a melt flow rate of at least about 2 g/10 min at 372° C. The second outer layer and the second inner layer may include a fluoropolymer material distinct from the fluoropolymer material of the first outer layer and may have a surface coefficient of friction of not greater than about 0.2.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: July 25, 2023
    Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: Brian McNamara, Ian D. Hutcheson, Gerard T. Buss, David A. Rich
  • Publication number: 20230074905
    Abstract: A curable polysiloxane release coating composition comprises (A) an organopolysiloxane containing ethylenically unsaturated groups. Component (A) is selected from: (A1) a branched organopolysiloxane containing at least three (3) organopolysiloxane branch chains linked through a central core including at least two (2) organopolysiloxane branch chains each of which contain an ethylenically unsaturated group; and/or (A2) a linear organopolysiloxane containing at least 2 ethylenically unsaturated groups having at least six (6) carbon atoms. The composition further comprises (B) an organopolysiloxane containing at least 2 Si—H groups, and (C) a hydrosilylation catalyst.
    Type: Application
    Filed: August 22, 2022
    Publication date: March 9, 2023
    Inventors: Aswini K. Dash, Zhenbin Niu, David A. Rich
  • Publication number: 20220389274
    Abstract: A release coating composition comprises (A) an organopolysiloxane containing at least two (2) ethylenically unsaturated groups, (B) an organopolysiloxane containing at least 2 Si—H groups per molecule, and (C) a hydrosilylation catalyst. If the organopolysiloxane (A) contains only 2 ethylenically unsaturated groups, the organopolysiloxane (B) contains on average more than 2 Si—H groups per molecule. The composition further comprises (D1) a hydrosilylation inhibitor comprising a maleimide of the general formula (I): In formula (I), A3 represents a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms, and A1 and A2 each represent a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms.
    Type: Application
    Filed: August 19, 2022
    Publication date: December 8, 2022
    Inventors: Aswini K. DASH, Zhenbin NIU, David A. RICH
  • Publication number: 20220379588
    Abstract: The present disclosure relates to a composite article that may include a structural substrate, a multilayer fluoropolymer film that can include a high-melt fluoropolymer layer and a low-melt fluoropolymer adhesion layer that may contact the structural substrate and the fluoropolymer film. The high-melt fluoropolymer layer may have a melting temperature A1 and the low-melt fluoropolymer adhesive layer may have a melting temperature A2. The melting temperature A2 may be less than the melting temperature A1.
    Type: Application
    Filed: May 23, 2022
    Publication date: December 1, 2022
    Inventors: David A. RICH, Gerard T. BUSS, James M. McMARTIN, Timothy P. POLLOCK
  • Patent number: 11453805
    Abstract: A curable polysiloxane release coating composition comprises (A) an organopolysiloxane containing at least two (2) ethylenically unsaturated groups, (B) an organopolysiloxane containing at least 2 Si—H groups per molecule, and (C) a hydrosilylation catalyst. If the organopolysiloxane (A) contains only 2 ethylenically unsaturated groups, the organopolysiloxane (B) contains on average more than 2 Si—H groups per molecule. The composition further comprises (D1) a hydrosilylation inhibitor comprising a maleimide of the general formula (I). In formula (I), A3? represents a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms, and A1? and A2? each represent a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: September 27, 2022
    Assignee: DOW SILICONES CORPORATION
    Inventors: Aswini K. Dash, Zhenbin Niu, David A. Rich
  • Publication number: 20220184981
    Abstract: The present disclosure relates to a low friction roller liner for a printer assembly may include a low friction layer. The low friction layer may include a first fluoropolymer matrix component and a first thermoplastic filler component distributed throughout the first fluoropolymer matrix component. The content of the first fluoropolymer matrix component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer. The content of the first thermoplastic filler component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer.
    Type: Application
    Filed: December 8, 2021
    Publication date: June 16, 2022
    Inventors: David A. RICH, Nicole M. DiRANDO
  • Publication number: 20220186782
    Abstract: The present disclosure relates to a low friction bearing liner for a solenoid may include a low friction layer. The low friction layer may include a first fluoropolymer matrix component and a first thermoplastic filler component distributed throughout the first fluoropolymer matrix component. The content of the first fluoropolymer matrix component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer. The content of the first thermoplastic filler component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer.
    Type: Application
    Filed: December 8, 2021
    Publication date: June 16, 2022
    Inventors: David A. RICH, Nicole M. DiRANDO
  • Publication number: 20220018397
    Abstract: The present disclosure relates to a low friction bearing liner for a solenoid that may include a core layer, a first outer layer overlying a first surface of the core layer, a second outer layer overlying the first outer layer, a first inner layer overlying a second surface of the core layer that is opposite of the first surface of the core layer, and a second inner layer overlying the first inner layer. The first outer layer and the first inner layer may include a fluoropolymer material and may have a melt flow rate of at least about 2 g/10 min at 372° C. The second outer layer and the second inner layer may include a fluoropolymer material distinct from the fluoropolymer material of the first outer layer and may have a surface coefficient of friction of not greater than about 0.2.
    Type: Application
    Filed: September 30, 2021
    Publication date: January 20, 2022
    Inventors: Brian MCNAMARA, Ian D. Hutcheson, Gerard T. Buss, David A. Rich
  • Patent number: 11220120
    Abstract: The present disclosure relates to a low friction roller liner for a printer assembly that may include a core layer, a first outer layer overlying a first surface of the core layer, a second outer layer overlying the first outer layer, a first inner layer overlying a second surface of the core layer that is opposite of the first surface of the core layer, and a second inner layer overlying the first inner layer. The first outer layer and the first inner layer may include a fluoropolymer material and may have a melt flow rate of at least about 2 g/10 min at 372° C. The second outer layer and the second inner layer may include a fluoropolymer material distinct from the fluoropolymer material of the first outer layer and may have a surface coefficient of friction of not greater than about 0.2.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: January 11, 2022
    Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: Brian McNamara, Ian D. Hutcheson, Gerard T. Buss, David A. Rich
  • Patent number: 11162531
    Abstract: The present disclosure relates to a low friction bearing liner for a solenoid that may include a core layer, a first outer layer overlying a first surface of the core layer, a second outer layer overlying the first outer layer, a first inner layer overlying a second surface of the core layer that is opposite of the first surface of the core layer, and a second inner layer overlying the first inner layer. The first outer layer and the first inner layer may include a fluoropolymer material and may have a melt flow rate of at least about 2 g/10 min at 372° C. The second outer layer and the second inner layer may include a fluoropolymer material distinct from the fluoropolymer material of the first outer layer and may have a surface coefficient of friction of not greater than about 0.2.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: November 2, 2021
    Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: Brian McNamara, Ian D. Hutcheson, Gerard T. Buss, David A. Rich
  • Publication number: 20200325371
    Abstract: A curable polysiloxane release coating composition comprises (A) an organopolysiloxane containing ethylenically unsaturated groups. Component (A) is selected from: (A1) a branched organopolysiloxane containing at least three (3) organopolysiloxane branch chains linked through a central core including at least two (2) organopolysiloxane branch chains each of which contain an ethylenically unsaturated group; and/or (A2) a linear organopolysiloxane containing at least 2 ethylenically unsaturated groups having at least six (6) carbon atoms. The composition further comprises (B) an organopolysiloxane containing at least 2 Si—H groups, and (C) a hydrosilylation catalyst. The composition yet further comprises (D) a hydrosilylation inhibitor comprising a maleimide of the general formula (I).
    Type: Application
    Filed: March 16, 2018
    Publication date: October 15, 2020
    Inventors: Aswini K. DASH, Zhenbin NIU, David A. RICH
  • Publication number: 20200208681
    Abstract: The present disclosure relates to a low friction bearing liner for a solenoid that may include a core layer, a first outer layer overlying a first surface of the core layer, a second outer layer overlying the first outer layer, a first inner layer overlying a second surface of the core layer that is opposite of the first surface of the core layer, and a second inner layer overlying the first inner layer. The first outer layer and the first inner layer may include a fluoropolymer material and may have a melt flow rate of at least about 2 g/10 min at 372° C. The second outer layer and the second inner layer may include a fluoropolymer material distinct from the fluoropolymer material of the first outer layer and may have a surface coefficient of friction of not greater than about 0.2.
    Type: Application
    Filed: December 18, 2019
    Publication date: July 2, 2020
    Inventors: Brian MCNAMARA, Ian D. HUTCHESON, Gerard T. BUSS, David A. RICH
  • Publication number: 20200207125
    Abstract: The present disclosure relates to a low friction roller liner for a printer assembly that may include a core layer, a first outer layer overlying a first surface of the core layer, a second outer layer overlying the first outer layer, a first inner layer overlying a second surface of the core layer that is opposite of the first surface of the core layer, and a second inner layer overlying the first inner layer. The first outer layer and the first inner layer may include a fluoropolymer material and may have a melt flow rate of at least about 2 g/10 min at 372° C. The second outer layer and the second inner layer may include a fluoropolymer material distinct from the fluoropolymer material of the first outer layer and may have a surface coefficient of friction of not greater than about 0.2.
    Type: Application
    Filed: December 18, 2019
    Publication date: July 2, 2020
    Inventors: Brian MCNAMARA, Ian D. HUTCHESON, Gerard T. BUSS, David A. RICH
  • Publication number: 20200010734
    Abstract: A curable polysiloxane release coating composition comprises (A) an organopolysiloxane containing at least two (2) ethylenically unsaturated groups, (B) an organopolysiloxane containing at least 2 Si—H groups per molecule, and (C) a hydrosilylation catalyst. If the organopolysiloxane (A) contains only 2 ethylenically unsaturated groups, the organopolysiloxane (B) contains on average more than 2 Si—H groups per molecule. The composition further comprises (D1) a hydrosilylation inhibitor comprising a maleimide of the general formula (I). In formula (I), A3? represents a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms, and A1? and A2? each represent a hydrogen atom or a hydrocarbyl or substituted hydrocarbyl group having 1 to 18 carbon atoms.
    Type: Application
    Filed: March 16, 2018
    Publication date: January 9, 2020
    Inventors: Aswini K. DASH, Zhenbin NIU, David A. RICH