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公开(公告)号：US20200058282A1
公开(公告)日：2020-02-20
申请号：US16462761
申请日：2017-11-28
发明人： Kunihiko Ibayashi , Tomoo Hirai , Hiroaki Konishi , Muneyuki Shiina , Ken Endo , Masahiro Wakayama
IPC分类号： G10K11/162 , D04H3/007 , D04H3/011 , D04H3/016 , D04H3/04
摘要： A nonwoven sound absorbing material according to the present invention includes a nonwoven laminate formed of a stack of a plurality of sheets of a filament nonwoven fabric having a plurality of drawn filaments arranged and oriented in one direction, and the mode value of the diameter distribution of the plurality of drawn filaments is 1 to 4 μm. The nonwoven sound absorbing material according to the present invention has improved sound absorption performance in a relatively low frequency band as compared to a conventional one.
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12.发明申请公开(公告)号：US20200038852A1
公开(公告)日：2020-02-06
申请号：US16606018
申请日：2017-12-27
发明人： Nobuhiro KIMURA , Atsushi SEGAWA , Tatsuya ICHIJO
摘要： A method for producing an unsaturated hydrocarbon comprising: a dehydrogenation step of contacting a raw material gas containing at least one hydrocarbon selected from a group consisting of alkanes and olefins with a dehydrogenation catalyst containing a group 14 metal element and Pt to obtain a product gas containing at least one unsaturated hydrocarbon selected from the group consisting of olefins and conjugated dienes, and a regeneration step of contacting the dehydrogenation catalyst subjected to the dehydrogenation step with a regenerating gas containing molecular oxygen under a temperature condition of 310 to 450° C.
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公开(公告)号：US10513666B2
公开(公告)日：2019-12-24
申请号：US15554128
申请日：2016-02-29
IPC分类号： C09K5/04 , C10M105/38
摘要： The invention provides a refrigerating machine oil comprising as a base oil at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less, and being used in combination with a (Z)-1,1,1,4,4,4-hexafluoro-2-butene refrigerant.
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公开(公告)号：US20190322807A1
公开(公告)日：2019-10-24
申请号：US16332601
申请日：2017-09-07
摘要： A polyimide, comprising at least one repeating unit selected from the group consisting of a repeating unit (A1) represented by a particular general formula, a repeating unit (B1) represented by a particular general formula, and a repeating unit (C1) represented by a particular general formula.
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公开(公告)号：US10414962B2
公开(公告)日：2019-09-17
申请号：US16172297
申请日：2018-10-26
IPC分类号： C09K5/04 , C10M107/34 , C10M105/18 , C10M105/38 , C10M107/24 , C10M171/00
摘要： The working fluid composition for a refrigerating machine of the present invention comprises a refrigerant comprising a first refrigerant component and a second refrigerant component, and having a global warming potential (GWP) of 500 or less, wherein the first refrigerant component is at least one selected from difluoromethane and tetrafluoropropene, and the second refrigerant component is at least one selected from carbon dioxide and a hydrocarbon having 3 to 4 carbon atoms; and a refrigerating machine oil comprising at least one selected from a polyol ester, a polyvinyl ether and a polyalkylene glycol compound as a base oil, wherein a carbon/oxygen molar ratio of the base oil is 2.5 or more and 5.8 or less.
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公开(公告)号：US20190256790A1
公开(公告)日：2019-08-22
申请号：US15749912
申请日：2016-08-19
发明人： Akira TAKAGI , Go TATSUMI
IPC分类号： C10M155/02 , C08F2/44 , C08F265/06 , C08F299/08 , C08F2/08
摘要： A defoaming agent obtainable by a process, the process including the step of: (i) polymerizing (B) at least one defoaming agent monomer in (A) a polymerization solvent under coexistence of (C) a polymer soluble in the polymerization solvent.
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17.发明申请公开(公告)号：US20190201874A1
公开(公告)日：2019-07-04
申请号：US16093329
申请日：2017-04-14
发明人： Atsushi SEGAWA , Nobuhiro KIMURA
IPC分类号： B01J23/62 , B01J21/04 , B01J21/10 , B01J37/02 , B01J37/08 , C07C5/333 , C07C11/08 , C07C11/167
摘要： A method for producing a dehydrogenation catalyst, comprising: a step of impregnating a carrier with a first solution having a tin source dissolved therein, so as to have tin supported on the carrier; and a step of impregnating the carrier with a second solution having an active metal source dissolved therein, so as to have the active metal supported on the carrier, wherein the tin source is at least one selected from the group consisting of sodium stannate and potassium stannate, and the active metal source has at least one active metal selected from the group consisting of platinum, ruthenium and iridium, and has no chlorine atom.
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公开(公告)号：US20190127659A1
公开(公告)日：2019-05-02
申请号：US16092630
申请日：2017-04-14
IPC分类号： C10M169/04 , C10M105/38 , C10M107/24 , C10M145/14 , C09K5/04
摘要： The present invention provides a refrigerating machine oil comprising: a lubricating base oil; and 40 mass % or less of a polymer, based on a total amount of the refrigerating machine oil, the polymer having a structural unit represented by the following formula (I) and a weight average molecular weight of from 500 to 100000. [In formula (I), Ra, Rb and Rc each independently represents a hydrogen atom or a hydrocarbon group, and Rd represents an oxygen-containing organic group or a C1-18 hydrocarbon group.]
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公开(公告)号：US20190106652A1
公开(公告)日：2019-04-11
申请号：US16086445
申请日：2017-03-08
申请人： AUTONETWORKS TECHNOLOGIES, LTD. , SUMITOMO WIRING SYSTEMS, LTD. , SUMITOMO ELECTRIC INDUSTRIES, LTD. , KYUSHU UNIVERSITY , JXTG NIPPON OIL & ENERGY CORPORATION
发明人： Yutaka TAKATA , Takehiro HOSOKAWA , Tatsuya HASE , Naoyuki OSHIUMI , Takuya YAMASHITA , Makoto MIZOGUCHI , Koichi YOSHIDA , Kenichi KOMIYA , Yuji SHITARA , Kazuhiro YAGISHITA
IPC分类号： C10M169/04 , C10M115/08 , C10M137/10
摘要： A surface protection composition stably protecting a metal surface even at a high temperature, and a terminal-fitted electric wire improved in anticorrosion property by using the composition. The surface protection composition contains a high-consistency material (A) containing a lubricant base oil and an amide compound, and a composition (B) containing a phosphorus compound containing one or more compounds represented by the general formulae (1) and (2) and a metal. The mass ratio (A):(B) of the high-consistency material (A) to the composition (B) is within a range of 50:50 to 98:2. The lubricant base oil has a kinematic viscosity of 10 mm2/s or higher at 100° C. and a number-average molecular weight of 400 or higher:
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公开(公告)号：US20190077888A1
公开(公告)日：2019-03-14
申请号：US16084797
申请日：2017-02-20
发明人： Fuyuki AIDA , Kazuo TAGAWA
IPC分类号： C08F4/70 , C08F210/16
摘要： The present invention provides a method for preparing an oligomer and a catalyst comprising a step of oligomerizing a polymerizable monomer containing an olefin in the presence of a catalyst, which comprises (A) a complex of a diimine compound and at least one metal selected from the group consisting of Group 8 elements, Group 9 elements and Group 10 elements, (B) a mixture of a pyridine diimine compound and an iron salt and/or an iron complex, (C) methylaluminoxane and/or a boron compound, and (D) an organoaluminum compound other than methylaluminoxane and/or an organozinc compound. The components (A), (B), (C) and (D) described above are respectively as defined in the present Description.
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