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31.发明申请MICHAEL ADDITION CURING CHEMISTRIES FOR SULFUR-CONTAINING POLYMER COMPOSITIONS 审中-公开含硫含量聚合物组合物的MICHAEL添加固化化学品公开(公告)号：US20140357812A1
公开(公告)日：2014-12-04
申请号：US14463082
申请日：2014-08-19
Applicant: PRC-DeSoto International, Inc.
Inventor： Lawrence G. Anderson , Juexiao Cai , Marfi Ito , Raquel Keledjian , Renhe Lin
Abstract: The use of Michael addition curing chemistries in compositions comprising sulfur-containing polymers such as polythioethers and polysulfides useful in aerospace sealant applications are disclosed. Sulfur-containing adducts comprising terminal Michael acceptor groups are also disclosed.
Abstract translation: 公开了在包含含硫聚合物如聚硫醚和聚硫化物的组合物中使用迈克尔加成固化化学物质，其用于航空密封剂应用。 还公开了包含末端迈克尔受体基团的含硫加成物。
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32.发明申请公开(公告)号：US20140106077A1
公开(公告)日：2014-04-17
申请号：US14133679
申请日：2013-12-19
Applicant: PRC-DeSoto International, Inc.
Inventor： Stephen J. Hobbs , Gregory J. McCollum , Lawrence G. Anderson , Renhe Lin
IPC: C08G16/04 , C09D161/00
CPC classification number: C08G16/04 , B05D3/0254 , C08F128/04 , C08G4/00 , C08G75/10 , C08G75/12 , C09D159/00 , C09D161/00 , C09D181/02 , C09K3/1012
Abstract: Disclosed are terminal-modified difunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, an aldehyde or a ketone, and a compound containing a functional group. Compositions comprising the terminal-modified difunctional sulfur-containing polymers useful as sealants are also disclosed.
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公开(公告)号：US11111422B2
公开(公告)日：2021-09-07
申请号：US16782137
申请日：2020-02-05
Applicant: PRC—DeSoto International, Inc.
Inventor： Renhe Lin , Weibin Cui
IPC: C09J163/04 , C09J163/00 , C09K3/10 , C08L81/02
Abstract: Compositions that are resistant to hydraulic fluid and aviation fuel contain sulfur-containing prepolymers and solvent-resistant organic fillers. The compositions are useful in aerospace sealant applications.
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公开(公告)号：US10370561B2
公开(公告)日：2019-08-06
申请号：US15194607
申请日：2016-06-28
Applicant: PRC-DeSoto International, Inc.
Inventor： Weibin Cui , Renhe Lin
IPC: C09D181/02 , C08G18/67 , C08G18/75 , C08G75/045 , C08G59/00 , C08K3/26 , C08L81/02 , C09K3/10
Abstract: Urethane/urea-containing bis(alkenyl) ethers can be incorporated into the backbone of polythioether prepolymers and can be used as curing agents in thiol-terminated polythioether prepolymer compositions. Cured sealants prepared using compositions containing urethane/urea-containing bis(alkenyl) ether-containing polythioether prepolymers and/or urethane/urea-containing bis(alkenyl) ether curing agents exhibit improved physical properties suitable for use in aerospace sealant applications.
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公开(公告)号：US20170114208A1
公开(公告)日：2017-04-27
申请号：US14922280
申请日：2015-10-26
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao , Juexiao Cai , Renhe Lin
IPC: C08K5/375 , C09J181/02 , C09J5/00 , C08K5/378
CPC classification number: C08K5/375 , C07C323/16 , C07D251/34 , C08G75/06 , C08K5/378 , C08K7/00 , C08L81/02 , C08L81/04 , C09J5/00 , C09J181/02 , C09J2481/00
Abstract: Reactive antioxidants, antioxidant-containing prepolymers, compositions containing reactive antioxidants and antioxidant-containing prepolymers, methods of synthesizing reactive antioxidants and reactive antioxidant-containing prepolymers and the use of reactive antioxidants and antioxidant-containing prepolymers in aerospace sealant applications are disclosed. Reactive antioxidants and antioxidant-containing prepolymers can be added to a curable composition and react with a curing agent to become incorporated into the cured polymer network. Antioxidant-containing prepolymers have antioxidants incorporated into the backbone of the prepolymer. Cured sealant compositions comprising reactive antioxidants and antioxidant-containing prepolymers exhibit enhanced thermal resistance.
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Patent Agency Ranking
公开(公告)号：US09580635B2
公开(公告)日：2017-02-28
申请号：US14319191
申请日：2014-06-30
Applicant: PRC-DeSoto International, Inc.
Inventor： Nagarajan Srivatsan , Alfredo Reyes , Sean Manion , Juexiao Cai , Marfi Ito , Renhe Lin
CPC classification number: C09K3/1006 , C08G18/10 , C08G18/52 , C08G18/56 , C08G18/755 , C08G18/758 , C08G18/798 , C08G2190/00 , C08G18/281 , C08G18/3868
Abstract: Disclosed are polyurea compositions comprising the reaction products of a polyformal-isocyanate prepolymer and a curing agent comprising an amine. The compositions are useful as sealants in aerospace applications.
Abstract translation: 公开了包含聚甲醛 - 异氰酸酯预聚物和包含胺的固化剂的反应产物的聚脲组合物。 该组合物可用作航空航天应用中的密封剂。
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37.发明授权公开(公告)号：US09540540B2
公开(公告)日：2017-01-10
申请号：US14708314
申请日：2015-05-11
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao , Juexiao Cai , Renhe Lin
IPC: C09D181/02 , C08F228/04 , C07C317/18 , C08G75/20 , C08G75/23 , C08G75/00 , C08G75/02 , C08L81/00 , C08L81/02 , C08L81/04 , C07C317/04
CPC classification number: C09D181/02 , C07C317/04 , C07C317/18 , C08F228/04 , C08G75/00 , C08G75/02 , C08G75/20 , C08G75/23 , C08L81/00 , C08L81/02 , C08L81/04
Abstract: Sulfone-containing polythioethers, compositions containing sulfone-containing polythioethers, methods of synthesizing sulfone-containing polythioethers and the use of sulfone-containing polythioethers in aerospace sealant applications are disclosed. The sulfone-containing polythioethers have sulfone groups incorporated into the backbone of the polythioether. Cured sealant compositions comprising the sulfone-containing polythioethers exhibit enhanced thermal resistance.
Abstract translation: 公开了含有砜的聚硫醚，含有砜的聚硫醚的组合物，含有砜的聚硫醚的合成方法和含有砜的聚硫醚在航天密封剂中的应用。 含砜的聚硫醚具有并入聚硫醚的主链中的砜基。 包含含砜聚硫醚的固化密封剂组合物表现出增强的耐热性。
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38.发明授权公开(公告)号：US09499668B2
公开(公告)日：2016-11-22
申请号：US14565482
申请日：2014-12-10
Applicant: PRC-DeSoto International, Inc.
Inventor： Juexiao Cai , Lawrence G. Anderson , Renhe Lin
IPC: C08G75/04 , C08G75/12 , C08G75/02 , C09J181/02 , C08L81/02
CPC classification number: C09J181/02 , C08G75/02 , C08G75/045 , C08G75/12 , C08L81/02
Abstract: Compositions comprising sulfur-containing polymers such as polythioethers, Michael acceptors, and controlled release amine catalysts employing Michael addition curing chemistries useful in aerospace sealant applications are disclosed. The compositions exhibit extended pot life and the rate of curing can be tailored for specific applications.
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39.发明授权Michael addition curing chemistries for sulfur-containing polymer compositions employing bis(sulfonyl)alkanols 有权使用双（磺酰基）链烷醇的含硫聚合物组合物的迈克尔加成固化化学品公开(公告)号：US09394405B2
公开(公告)日：2016-07-19
申请号：US14708320
申请日：2015-05-11
Applicant: PRC-DeSoto International, Inc.
Inventor： Juexiao Cai , Lawrence G. Anderson , Marfi Ito , Renhe Lin
IPC: C08G75/04 , C08G75/02 , C08G75/12 , C07C317/18 , C09J181/02 , C08L81/02 , C09D181/02
CPC classification number: C08G75/02 , C07C317/18 , C08G75/12 , C08L81/02 , C09D181/02 , C09J181/02
Abstract: Compositions useful in aerospace sealant applications comprise sulfur-containing polymers such as polythioethers and polysulfides and are cured using Michael addition reactions. Compositions employing Michael addition curing chemistries include sulfur-containing adducts comprising terminal Michael acceptor groups. In particular, the sulfur-containing adducts include terminal 1-(ethylenesulfonyl)-n-(vinylsulfonyl)alkanol groups.
Abstract translation: 用于航空密封剂应用的组合物包括含硫聚合物如聚硫醚和多硫化物，并使用迈克尔加成反应固化。 使用迈克尔加成固化化学物质的组合物包括含有末端迈克尔受体基团的含硫加成物。 特别地，含硫加合物包括1-（乙基磺酰基）-N-（乙烯基磺酰基）烷醇基团。
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公开(公告)号：US09382462B2
公开(公告)日：2016-07-05
申请号：US14709597
申请日：2015-05-12
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao , Jun Deng , Renhe Lin
IPC: C08G18/28 , C09J181/02 , C08G75/04
CPC classification number: C09J181/02 , C08G75/045 , C08G75/12
Abstract: Metal ligand-containing prepolymers, compositions containing metal ligand-containing prepolymers, methods of synthesizing metal ligand-containing prepolymers and the use of metal ligand-containing prepolymers in aerospace sealant applications are disclosed. The metal ligand-containing prepolymers have metal ligands incorporated into the backbone of the prepolymer. Cured sealant compositions comprising the metal ligand-containing prepolymers exhibit enhanced properties suitable for aerospace sealant applications.
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