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Patent Agency Ranking
公开(公告)号：US20160215091A1
公开(公告)日：2016-07-28
申请号：US15024096
申请日：2014-08-16
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Jean-Paul Masy , Myriam Linke , David A. Babb , John W. Weston
IPC: C08G65/12
CPC classification number: C08G65/12 , C08G65/2606 , C08G65/2609 , C08G65/2663 , C08G65/2696
Abstract: 1,2-butylene oxide is homopolymerized or randomly copolymerized in the presence of a double metal cyanide catalyst such as a zinc hexacyanocobaltate catalyst complex. The polymers unexpectedly contain significant amounts of monofunctional impurities, which can be partially controlled through selection of polymerization conditions.
Abstract translation: 1,2-二氧化环在双金属氰化物催化剂如六氰基钴酸锌催化剂络合物的存在下均聚或无规共聚。 聚合物意外地含有大量的单官能杂质，其可以通过选择聚合条件来部分控制。
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公开(公告)号：US20250115711A1
公开(公告)日：2025-04-10
申请号：US18695916
申请日：2022-09-30
Applicant: Dow Global Technologies LLC
Inventor： David K. Steelman , Nima Nikbin , Arjun Raghuraman , Robin P. Ziebarth , John W. Weston
Abstract: Alkylene oxides are polymerized in the presence of a catalyst system that includes a double metal cyanide catalyst. At least one additive is present. The additive is an alkali metal, ammonium or quaternary ammonium salt of a monocarboxylic acid having up to 24 carbon atoms; monobasic potassium phosphate, a monobasic ammonium or quaternary ammonium phosphate, a dibasic ammonium and quaternary ammonium phosphate or phosphoric acid.
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公开(公告)号：US09708448B2
公开(公告)日：2017-07-18
申请号：US15024096
申请日：2014-08-16
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Jean-Paul Masy , Myriam Linke , David A. Babb , John W. Weston
CPC classification number: C08G65/12 , C08G65/2606 , C08G65/2609 , C08G65/2663 , C08G65/2696
Abstract: 1,2-butylene oxide is homopolymerized or randomly copolymerized in the presence of a double metal cyanide catalyst such as a zinc hexacyanocobaltate catalyst complex. The polymers unexpectedly contain significant amounts of monofunctional impurities, which can be partially controlled through selection of polymerization conditions.
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公开(公告)号：US20230312803A1
公开(公告)日：2023-10-05
申请号：US18041632
申请日：2021-10-19
Applicant: Dow Global Technologies LLC , Dow Silicones Corporation
Inventor： Masayuki Suzuki , Arjun Raghuraman , John W. Weston , An Kaga , Richard J. Keaton , Adrian J. Birch , Maria Jose Cotanda Santapau
IPC: C08G18/08 , C09D175/08 , C08G18/10 , C08G18/48 , C09J175/08
CPC classification number: C08G18/0895 , C09D175/08 , C08G18/10 , C08G18/4845 , C08G18/4829 , C09J175/08
Abstract: Embodiments relate to a coating, adhesive, sealant, elastomer, or reaction injection molded material forming polyurethane composition that comprises an isocyanate component that includes at least one isocyanate-terminated prepolymer, and an isocyanate reactive component that includes at least one Lewis acid catalyst polymerized polyether polyol having a weight average molecular weight from 200 g/mol to 1,000 g/mol, an average primary hydroxyl group content of at least 30%, and an average acetal content of at least 0.05 wt %.
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公开(公告)号：US20240392068A1
公开(公告)日：2024-11-28
申请号：US18695912
申请日：2022-09-30
Applicant: Dow Global Technologies LLC
Inventor： David Keith Steelman , Nima Nikbin , Arjun Raghuraman , Robin P. Ziebarth , John W. Weston , Jean-Paul Masy
Abstract: Alkylene oxides are polymerized in the presence of a catalyst system that includes a double metal cyanide catalyst that is modified with certain metal or semi-metal compounds. At least one additive is present. The additive is an alkali metal, ammonium or quaternary ammonium salt of a monocarboxylic acid having up to 24 carbon atoms; monobasic potassium phosphate, a monobasic ammonium or quaternary ammonium phosphate, a dibasic ammonium and quaternary ammonium phosphate or phosphoric acid.
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