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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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12.发明授权Compositions comprising thiol-terminated polymers and sulfur-containing ethylenically unsaturated silanes and related cured sealants 有权包含硫醇封端聚合物和含硫烯属不饱和硅烷和相关固化密封剂的组合物公开(公告)号：US09074117B2
公开(公告)日：2015-07-07
申请号：US14200762
申请日：2014-03-07
Applicant: PRC-DeSoto International, Inc.
Inventor： Raquel Keledjian , Renhe Lin , Chandra Rao , Bruce Virnelson
CPC classification number: C09K3/1012 , B05D3/067 , C08G75/02 , C08G75/12 , C08K5/548 , C08L81/02 , C09J181/02
Abstract: Disclosed are compositions that include: a) a thiol-terminated polymer; and b) a sulfur-containing ethylenically unsaturated silane. Related products, such as sealants, that include polymers derived from such compositions, are also disclosed.
Abstract translation: 公开的组合物包括：a）硫醇封端的聚合物; 和b）含硫烯属不饱和硅烷。 还公开了相关产品，例如密封剂，其包括衍生自这些组合物的聚合物。
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公开(公告)号：US08962782B2
公开(公告)日：2015-02-24
申请号：US14200849
申请日：2014-03-07
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao , Juexiao Cai , Renhe Lin
IPC: C09K3/10 , C08G77/46 , C08G65/00 , C08G65/336 , C08G77/50 , C08L101/10
CPC classification number: C09J129/10 , C08F8/00 , C08G65/007 , C08G65/336 , C08G77/46 , C08G77/50 , C08K9/02 , C08L101/02 , C08L101/10 , C09J9/02 , C09J171/00 , C09J201/10 , C09K3/1018 , H01B13/0026
Abstract: Disclosed are perfluoroethers and perfluoroether compositions useful in high temperature aerospace applications. The perfluoroethers can be adapted for use with various curing chemistries.
Abstract translation: 公开了用于高温航空航天应用的全氟醚和全氟醚组合物。 全氟醚可适用于各种固化化学物质。
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14.发明申请ADHESION PROMOTING ADDUCTS CONTAINING METAL LIGANDS, COMPOSITIONS THEREOF, AND USES THEREOF 有权包含金属配体的粘合剂，其组合物及其用途公开(公告)号：US20140051789A1
公开(公告)日：2014-02-20
申请号：US14065521
申请日：2013-10-29
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao , Jun Deng , Renhe Lin
CPC classification number: C08K5/548 , C08G65/334 , C08G65/336 , C08G75/02 , C08K5/544 , C08L81/02 , C09J181/02
Abstract: Disclosed are adhesion promoting adducts containing adhesion promoting groups and metal ligands and compositions such as sealant compositions useful in aerospace applications comprising the adhesion promoting adducts. The adhesion promoting adducts are useful as adhesion promoting additives or as a copolymerizable reactant in polymer compositions.
Abstract translation: 公开了包含粘附促进基团和金属配体的粘合促进加合物以及可用于航空航天应用的组合物如密封剂组合物，其包含粘附促进加合物。 粘合促进加合物可用作粘合促进添加剂或作为聚合物组合物中的可共聚反应物。
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公开(公告)号：US20210189069A1
公开(公告)日：2021-06-24
申请号：US16721349
申请日：2019-12-19
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao
IPC: C08G75/045 , C09K3/10
Abstract: Polythioether prepolymers that have a low nucleation temperature are disclosed. The polythioether prepolymers are stable at low temperature storage conditions for an extended period of time. Compositions prepared using the low nucleation temperature polythioether prepolymers are useful as sealants.
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Patent Agency Ranking
公开(公告)号：US20210071032A1
公开(公告)日：2021-03-11
申请号：US17099825
申请日：2020-11-17
Applicant: PRC-DeSoto International, Inc.
Inventor： Bruce Virnelson , Chandra Rao , Renhe Lin
IPC: C09D175/16 , C08G18/52 , C08G18/76 , C08G18/79 , C08G18/10 , C08G18/38 , C08G18/28 , C09D175/14 , C09J175/14 , C08G18/75
Abstract: Actinic radiation-curable compositions containing polythiols and urethane/urea-containing polyalkenyl prepolymers that can be used for aerospace coatings and sealants. The coatings can be applied to surfaces and rapidly cured.
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公开(公告)号：US09611359B2
公开(公告)日：2017-04-04
申请号：US14065499
申请日：2013-10-29
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao , Renhe Lin
IPC: C08G75/04 , C08G75/045 , C09K3/10 , C08L81/00
CPC classification number: C08G75/045 , C08G75/12 , C08G2190/00 , C08L81/00 , C09K3/1012
Abstract: Sulfur-containing polymer adducts such as polythioethers, polysulfides, and sulfur-containing polyformals having terminal maleimide groups, and in particular, sulfur-containing polymers and sulfur containing adducts having terminal 1,1′-(methylenedi-4,1-phenylene)bismaleimide groups are disclosed. The adducts provide cured sealants having improved tensile strength and elongation and are useful as aerospace sealants.
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18.发明授权Low density fuel resistant sulfur-containing polymer compositions and uses thereof 有权低密度耐燃性含硫聚合物组合物及其用途公开(公告)号：US09422451B2
公开(公告)日：2016-08-23
申请号：US14593069
申请日：2015-01-09
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao , Marfi Ito , Renhe Lin
IPC: C08G75/04 , C08F283/00 , C08G59/14 , C08L63/00 , C08G75/00 , C08L81/00 , C08F290/06 , C08K5/00 , C08G75/02 , C09D181/02 , C09D163/00 , B60K15/03
CPC classification number: C09D181/02 , B60K15/03 , B60K2015/03493 , C08G75/00 , C08G75/02 , C08L81/00 , C08L81/02 , C09D163/00
Abstract: Low-density compositions and sealants prepared from sulfur-containing prepolymer compositions that exhibit enhanced fuel resistance are disclosed. The low density and enhanced fuel resistance is realized by using polyphenylene sulfide fillers.
Abstract translation: 公开了由显示出增强的耐燃性的含硫预聚物组合物制备的低密度组合物和密封剂。 通过使用聚苯硫醚填料实现低密度和增强的耐燃料性。
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19.发明授权Adhesion promoting adducts containing metal ligands, compositions thereof, and uses thereof 有权含金属配体的粘合促进加合物及其组合物及其用途公开(公告)号：US09303149B2
公开(公告)日：2016-04-05
申请号：US14065521
申请日：2013-10-29
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao , Jun Deng , Renhe Lin
IPC: C08K5/548 , C08K5/544 , C08G75/02 , C09J181/02 , C08L81/02
CPC classification number: C08K5/548 , C08G65/334 , C08G65/336 , C08G75/02 , C08K5/544 , C08L81/02 , C09J181/02
Abstract: Disclosed are adhesion promoting adducts containing adhesion promoting groups and metal ligands and compositions such as sealant compositions useful in aerospace applications comprising the adhesion promoting adducts. The adhesion promoting adducts are useful as adhesion promoting additives or as a copolymerizable reactant in polymer compositions.
Abstract translation: 公开了包含粘附促进基团和金属配体的粘合促进加合物以及可用于航空航天应用的组合物如密封剂组合物，其包含粘附促进加合物。 粘合促进加合物可用作粘合促进添加剂或作为聚合物组合物中的可共聚反应物。
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20.发明申请METAL LIGAND-CONTAINING PREPOLYMERS, METHODS OF SYNTHESIS, AND COMPOSITIONS THEREOF 审中-公开含金属配体的预处理剂，合成方法及其组合物公开(公告)号：US20150240140A1
公开(公告)日：2015-08-27
申请号：US14709597
申请日：2015-05-12
Applicant: PRC-DeSoto International, Inc.
Inventor： Chandra Rao , Jun Deng , Renhe Lin
IPC: C09J181/02
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.
Abstract translation: 公开了含金属配体的预聚物，含有金属配体的预聚物的组合物，含金属配体的预聚物的合成方法以及在航天密封剂应用中使用含金属配体的预聚物。 含金属配体的预聚物具有掺入预聚物主链中的金属配体。 包含含金属配体的预聚物的固化密封剂组合物显示出适合于航空密封剂应用的增强的性能。
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