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公开(公告)号：US20220024834A1
公开(公告)日：2022-01-27
申请号：US17312095
申请日：2019-12-09
摘要： Organic chelated zinc coated fertilizer core, methods for their use, and production thereof, are disclosed. The organic chelated zinc coating can contain 0.02 wt. % to 0.5 wt. % or more, based on the total weight of the coated fertilizer, of zinc from the organic chelated zinc. The coating can optionally contain or exclude a binder. An oil based coating can be at least partially positioned between the surface of the fertilizer core and the organic chelated zinc coating.
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公开(公告)号：US20230147183A1
公开(公告)日：2023-05-11
申请号：US17906812
申请日：2021-03-30
摘要： A fertilizer granule containing a core containing a nitrogen containing fertilizer such as urea and a coat on the core, the coat containing an organic zinc (Zn) complex and an inorganic Zn compound, and methods of making and using the fertilizer granule.
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公开(公告)号：US20220251002A1
公开(公告)日：2022-08-11
申请号：US17715466
申请日：2022-04-07
发明人： Ravi HEGDE , Rajamalleswaramma KORIPELLY , Chandra MOHANA , Radha ACHANATH , Samik GUPTA , Sabeshan KANAGALINGAM
摘要： Particulate fertilizer compositions that include nitrification inhibitors and urease inhibitors are described herein. The inhibitors are separated from each other by being in separate particles. Fertilizer particles in the composition include particles having a core-shell structure, with an inhibitor included in the core particle.
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公开(公告)号：US20230076350A1
公开(公告)日：2023-03-09
申请号：US17904305
申请日：2021-02-25
摘要： A fertilizer blend containing 10 wt. % to 90 wt. % of a first particulate fertilizer composition and 10 wt. % to 90 wt. % of a second particulate fertilizer composition is disclosed. In the fertilizer blend, the second particulate fertilizer composition can be blended with the first particulate fertilizer composition. The first particulate fertilizer composition can include a core containing a binder, a pH buffering agent, and an urease inhibitor, and a shell containing urea, where the shell covers at least a portion of an outer surface of the core.
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公开(公告)号：US20210269372A1
公开(公告)日：2021-09-02
申请号：US17262171
申请日：2019-07-23
摘要： Fertilizers that contain urea-aldehyde condensates. The fertilizer can be spherical and can be formed using a granulation and/or spheronization technique and optionally can be an extruded fertilizer that is spheronized.
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公开(公告)号：US20180208519A1
公开(公告)日：2018-07-26
申请号：US15746055
申请日：2016-07-18
发明人： Sabeshan KANAGALINGAM , Ravi HEGDE , Madduri SRINIVASARAO , Rajamalleswaramma KORIPELLY , Samik GUPTA , Nilkamal BAG , Satish BURLA , Yoganand GURUMALLAPPA
CPC分类号： C05G3/08 , C05C9/005 , C05D3/00 , C05G3/00 , C05G3/0052 , Y02P60/218 , C05D5/00 , C05G3/0047
摘要： In accordance with the present invention, disclosed herein is a fertilizer core and fertilizer granule and methods related thereto. The fertilizer core particle has an outer surface and comprising one or more fertilizer additives, one or more binders, and one or more pH buffering agents, and wherein the fertilizer core particle comprises from about 10 wt % to about 99 wt % of the one or more binders.
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公开(公告)号：US20230227376A1
公开(公告)日：2023-07-20
申请号：US18002452
申请日：2021-06-29
IPC分类号： C05C7/02
CPC分类号： C05C7/02
摘要： Method for producing a urea calcium sulfate (UCS) adduct is disclosed. The method for producing the UCS adduct, includes contacting urea with a moist phosphogypsum containing 10 wt. % to 30 wt. % of moisture, under conditions sufficient to form a slurry comprising formed UCS adduct.
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公开(公告)号：US20220194875A1
公开(公告)日：2022-06-23
申请号：US17694413
申请日：2022-03-14
发明人： Ravi HEGDE , Rajamalleswaramma KORIPELLY , Chandra MOHANA , Radha ACHANATH , Samik GUPTA , Sabeshan KANAGALINGAM
摘要： Fertilizer particles with urease inhibitors and nitrification inhibitors are described herein. The fertilizer particles can include a core particle comprising a urease inhibitor and an outer layer comprising a nitrification inhibitor.
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公开(公告)号：US20200172447A1
公开(公告)日：2020-06-04
申请号：US16636391
申请日：2018-08-07
摘要： Fertilizers with urease inhibitors and/or nitrification inhibitors are described. The fertilizer can include an extruded granule containing urea, a polymeric binder, and a nitrification inhibitor and/or an urease inhibitor.
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公开(公告)号：US20230357094A1
公开(公告)日：2023-11-09
申请号：US17777507
申请日：2020-11-26
摘要： Fertilizer particles containing a core and a shell is described. The core can contain urea, a pH buffering agent, and an urease inhibitor, and the shell can contain urea and can cover at least a portion of an outer surface of the core. The core can include 20 wt. % to 80 wt. % urea, based on the total weight of the core, and the shell can include 50 wt. % to 100 wt. % urea, based on the total weight of the core.
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