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).
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Publication number: 20250109795Abstract: 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: ApplicationFiled: September 26, 2024Publication date: April 3, 2025Inventors: David A. RICH, Joseph G. SARGENT
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Patent number: 12247619Abstract: 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: GrantFiled: November 10, 2023Date of Patent: March 11, 2025Assignee: VERSIV COMPOSITES LIMITEDInventors: David A. Rich, Nicole M. DiRando
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Publication number: 20250050626Abstract: 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: ApplicationFiled: October 24, 2024Publication date: February 13, 2025Inventors: David A. RICH, Gerard T. BUSS, James M. McMARTIN, Timothy P. POLLOCK
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Patent number: 12157292Abstract: 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: GrantFiled: May 23, 2022Date of Patent: December 3, 2024Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: David A. Rich, Gerard T. Buss, James M. McMartin, Timothy P. Pollock
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Publication number: 20240077107Abstract: 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: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Inventors: David A. RICH, Nicole M. Dirando
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Patent number: 11852194Abstract: 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: GrantFiled: December 8, 2021Date of Patent: December 26, 2023Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: David A. Rich, Nicole M. Dirando
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Patent number: 11708857Abstract: 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: GrantFiled: September 30, 2021Date of Patent: July 25, 2023Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Brian McNamara, Ian D. Hutcheson, Gerard T. Buss, David A. Rich
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Publication number: 20230074905Abstract: 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: ApplicationFiled: August 22, 2022Publication date: March 9, 2023Inventors: Aswini K. Dash, Zhenbin Niu, David A. Rich
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Publication number: 20220389274Abstract: 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: ApplicationFiled: August 19, 2022Publication date: December 8, 2022Inventors: Aswini K. DASH, Zhenbin NIU, David A. RICH
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Publication number: 20220379588Abstract: 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: ApplicationFiled: May 23, 2022Publication date: December 1, 2022Inventors: David A. RICH, Gerard T. BUSS, James M. McMARTIN, Timothy P. POLLOCK
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Patent number: 11453805Abstract: 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: GrantFiled: March 16, 2018Date of Patent: September 27, 2022Assignee: DOW SILICONES CORPORATIONInventors: Aswini K. Dash, Zhenbin Niu, David A. Rich
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Publication number: 20220184981Abstract: 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: ApplicationFiled: December 8, 2021Publication date: June 16, 2022Inventors: David A. RICH, Nicole M. DiRANDO
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Publication number: 20220186782Abstract: 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: ApplicationFiled: December 8, 2021Publication date: June 16, 2022Inventors: David A. RICH, Nicole M. DiRANDO
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Publication number: 20220018397Abstract: 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: ApplicationFiled: September 30, 2021Publication date: January 20, 2022Inventors: Brian MCNAMARA, Ian D. Hutcheson, Gerard T. Buss, David A. Rich
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Patent number: 11220120Abstract: 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: GrantFiled: December 18, 2019Date of Patent: January 11, 2022Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Brian McNamara, Ian D. Hutcheson, Gerard T. Buss, David A. Rich
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Patent number: 11162531Abstract: 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: GrantFiled: December 18, 2019Date of Patent: November 2, 2021Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Brian McNamara, Ian D. Hutcheson, Gerard T. Buss, David A. Rich
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Publication number: 20200325371Abstract: 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: ApplicationFiled: March 16, 2018Publication date: October 15, 2020Inventors: Aswini K. DASH, Zhenbin NIU, David A. RICH
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Publication number: 20200208681Abstract: 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: ApplicationFiled: December 18, 2019Publication date: July 2, 2020Inventors: Brian MCNAMARA, Ian D. HUTCHESON, Gerard T. BUSS, David A. RICH
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Publication number: 20200207125Abstract: 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: ApplicationFiled: December 18, 2019Publication date: July 2, 2020Inventors: Brian MCNAMARA, Ian D. HUTCHESON, Gerard T. BUSS, David A. RICH
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Publication number: 20200010734Abstract: 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: ApplicationFiled: March 16, 2018Publication date: January 9, 2020Inventors: Aswini K. DASH, Zhenbin NIU, David A. RICH