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公开(公告)号：US11832610B2
公开(公告)日：2023-12-05
申请号：US17050507
申请日：2019-04-23
发明人： Adam L Grzesiak , Matthew D. Reichert , Christopher J. Tucker , Stephen L. Wilson , Holger Tank , Sudhakar Balijepalli , Milton H. Repollet-Pedrosa
摘要： The present disclosure provides for an agrochemical emulsion with reduced spray drift that includes an emulsion pre-mix concentrate, an acrylate-based copolymer, and an aqueous based agrochemical composition. The agrochemical emulsion includes 0.05 to 5 weight percent (wt %) of the emulsion pre-mix concentrate, 0.05 to 5 wt. % of the acrylate-based copolymer and 90 to 99.9 wt. % of the aqueous based agrochemical composition. The emulsion pre-mix concentrate includes 40 to 70 wt. % of an alkylene glycol ether, 10 to 40 wt. % of a vegetable-oil, and a surfactant, where the wt. % of the surfactant is 0.5 to 2 times the wt. % of the vegetable-oil wt. %, where the wt. % values are based on the total weight of the emulsion pre-mix concentrate and the wt. % of the alkylene glycol ether, the vegetable-oil and the surfactant total 100 wt. % of the emulsion pre-mix concentrate. The acrylate-based copolymer has a weight average molecular weight of 0.5 to 1.5 million.
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公开(公告)号：US20210112806A1
公开(公告)日：2021-04-22
申请号：US17050507
申请日：2019-04-23
发明人： Adam L. Grzesiak , Matthew D. Reichert , Christopher J. Tucker , Stephen L. Wilson , Holger Tank , Sudhakar Balijepalli , Milton H. Repollet-Pedrosa
摘要： The present disclosure provides for an agrochemical emulsion with reduced spray drift that includes an emulsion pre-mix concentrate, an acrylate-based copolymer, and an aqueous based agrochemical composition. The agrochemical emulsion includes 0.05 to 5 weight percent (wt %) of the emulsion pre-mix concentrate, 0.05 to 5 wt. % of the acrylate-based copolymer and 90 to 99.9 wt. % of the aqueous based agrochemical composition. The emulsion pre-mix concentrate includes 40 to 70 wt. % of an alkylene glycol ether, 10 to 40 wt. % of a vegetable-oil, and a surfactant, where the wt. % of the surfactant is 0.5 to 2 times the wt. % of the vegetable-oil wt. %, where the wt. % values are based on the total weight of the emulsion pre-mix concentrate and the wt. % of the alkylene glycol ether, the vegetable-oil and the surfactant total 100 wt. % of the emulsion pre-mix concentrate. The acrylate-based copolymer has a weight average molecular weight of 0.5 to 1.5 million.
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公开(公告)号：US09278055B2
公开(公告)日：2016-03-08
申请号：US14352108
申请日：2012-10-16
发明人： Fanwen Zeng , Charles Jones , Diane Routzahn , Stephen L. Wilson
CPC分类号： A61K8/0241 , A61K8/11 , A61K8/35 , A61K8/84 , A61K8/86 , A61K2800/412 , A61K2800/56 , A61Q17/04 , B01J13/14 , B01J13/16
摘要： Described are methods for encapsulating a personal care active, comprising preparing an aqueous phase, comprising partially hydrolyzed polyvinyl alcohol and a cosmetically acceptable non-ionic surfactant, preparing an oil phase, comprising the personal care active and isocyanate or polyisocyanate, homogenizing the aqueous phase and oil phase to form an emulsion with particles less than one micron, and forming a dispersion of polyurea core-shell particles containing the personal care active by contacting the emulsion with an aqueous amine solution.
摘要翻译： 描述了用于包封个人护理活性物质的方法，包括制备水相，包含部分水解的聚乙烯醇和化妆品可接受的非离子表面活性剂，制备油相，其包含个人护理活性物质和异氰酸酯或多异氰酸酯，使水相均化和 油相以形成具有小于1微米的颗粒的乳液，并通过使乳液与胺水溶液接触而形成含有个人护理活性物质的聚脲核 - 壳颗粒的分散体。
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公开(公告)号：US20140271752A1
公开(公告)日：2014-09-18
申请号：US14352108
申请日：2012-10-16
发明人： Fanwen Zeng , Charles Jones , Diane Routzahn , Stephen L. Wilson
CPC分类号： A61K8/0241 , A61K8/11 , A61K8/35 , A61K8/84 , A61K8/86 , A61K2800/412 , A61K2800/56 , A61Q17/04 , B01J13/14 , B01J13/16
摘要： Described are methods for encapsulating a personal care active, comprising preparing an aqueous phase, comprising partially hydrolyzed polyvinyl alcohol and a cosmetically acceptable non-ionic surfactant, preparing an oil phase, comprising the personal care active and isocyanate or polyisocyanate, homogenizing the aqueous phase and oil phase to form an emulsion with particles less than one micron, and forming a dispersion of polyurea core-shell particles containing the personal care active by contacting the emulsion with an aqueous amine solution.
摘要翻译： 描述了用于包封个人护理活性物质的方法，包括制备水相，包含部分水解的聚乙烯醇和化妆品可接受的非离子表面活性剂，制备油相，其包含个人护理活性物质和异氰酸酯或多异氰酸酯，使水相均化和 油相以形成具有小于1微米的颗粒的乳液，并通过使乳液与胺水溶液接触而形成含有个人护理活性物质的聚脲核 - 壳颗粒的分散体。
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