公开(公告)号：US20210284586A1

公开(公告)日：2021-09-16

申请号：US16480442

申请日：2018-03-07

Applicant: Yara International ASA

Inventor： Filip Colpaert ,  Ruud Van Belzen

IPC: C05C9/00 ,  C05G3/90

Abstract: The invention relates to a solid, particulate, urea-based composition comprising urea in particulate form and a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT), wherein the urea-based composition is further characterized in that it comprises one or more alkaline or alkaline-forming inorganic compounds. The composition according to the invention has been stabilized against the degradation of a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT) in the presence of urea. The invention further relates to a method for the manufacture of the claimed solid, particulate, urea-based composition.

公开(公告)号：US11053170B2

公开(公告)日：2021-07-06

申请号：US16075695

申请日：2017-02-24

Applicant: YARA INTERNATIONAL ASA

Inventor： Filip Colpaert ,  Francois Ledoux ,  Ruud Van Belzen

IPC: C05C9/00 ,  C05G3/90 ,  C05G5/20

Abstract: The present application generally relates to a method for the manufacture of a liquid composition essentially consisting of an organic solvent of the type glycol and a urease inhibitor of the type phosphoric triamide and products obtained therewith.

公开(公告)号：US11858882B2

公开(公告)日：2024-01-02

申请号：US17633356

申请日：2020-08-20

Applicant: Yara International ASA

Inventor： Adrian Bynes ,  Shreyas Amin ,  Ruud Van Belzen

IPC: C07C273/04 ,  B01D3/14 ,  C07C273/16

CPC classification number: C07C273/04 ,  B01D3/143 ,  C07C273/16

Abstract: The invention relates to a method for producing a urea solution with a target urea concentration using water flows recovered from the urea production process. At least part of the water flows recovered from the urea production process are only partially purified to produce the urea solution. The invention further relates to a process condensate treatment plant to implement the method for producing a urea solution with a target urea concentration, and a urea production plant comprising such process condensate treatment plant.

公开(公告)号：US11072567B2

公开(公告)日：2021-07-27

申请号：US15767446

申请日：2016-11-10

Applicant: YARA INTERNATIONAL ASA

Inventor： Francois Ledoux ,  Filip Colpaert ,  Ruud Van Belzen

IPC: C05G3/90 ,  C05C9/00 ,  C07F9/22

Abstract: The invention relates to a solid, particulate, urea-based blend composition comprising a urea-based compound in particulate form, one or more components in particulate form, selected from the group of nitrates, phosphates, sulphates and chlorides, and a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT), wherein the urea-based blend composition is further characterized in that it comprises one or more reactive alkaline or alkaline-forming inorganic or organic compounds. The composition according to the invention has been stabilized against the degradation of a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT). The invention further relates to a method for the manufacture of the claimed solid, particulate, urea-based blend composition.

公开(公告)号：US11578009B2

公开(公告)日：2023-02-14

申请号：US17053330

申请日：2019-05-09

Applicant: YARA INTERNATIONAL ASA

Inventor： Ruud Van Belzen ,  Filip Colpaert

IPC: C05C9/00 ,  C05G5/30 ,  C05G3/30 ,  C05G3/20 ,  C05G3/90 ,  C05D1/00 ,  C05D9/00 ,  C05G1/00 ,  C09K15/02 ,  C05D5/00 ,  A23K20/24 ,  A23K20/26 ,  A23K40/30 ,  A23K20/105

Abstract: The invention relates to a particulate urea-based blend composition comprising a urea-based compound in particulate form and one or more components in particulate form, selected from the group of nitrates, phosphates, sulphates and chlorides, and a urease inhibitor of the type phosphoric triamide, and a magnesium sulphate, wherein the urea-based blend composition is further characterized in that it comprises an alkaline or alkaline-forming compound, selected from the group of calcium oxide, zinc oxide, magnesium oxide, calcium carbonate, and mixtures thereof. The composition according to the invention has improved properties for reducing ammonia loss by urease activity in the soil and is in particular suitable as a fertilizer. The invention further relates to a method for the manufacture of said urea-based blend composition, as well as to a composition of kit of parts comprising an amount of a) magnesium sulphate; b) a urease inhibitor of the type phosphoric triamide, preferably N-(n-butyl) thiophosphoric triamide (nBTPT); c) an alkaline or alkaline-forming compound, selected from the group of calcium oxide, zinc oxide, magnesium oxide, calcium carbonate, and mixtures thereof, and d) optionally, one or more anti-caking and/or moisture-repellent and/or anti-dust compounds.

公开(公告)号：US20180297903A1

公开(公告)日：2018-10-18

申请号：US15767446

申请日：2016-11-10

Applicant: YARA INTERNATIONAL ASA

Inventor： Francois Ledoux ,  Filip Colpaert ,  Ruud Van Belzen

IPC: C05C9/00 ,  C05G3/08

Abstract: The invention relates to a solid, particulate, urea-based blend composition comprising a urea-based compound in particulate form, one or more components in particulate form, selected from the group of nitrates, phosphates, sulphates and chlorides, and a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT), wherein the urea-based blend composition is further characterized in that it comprises one or more reactive alkaline or alkaline-forming inorganic or organic compounds. The composition according to the invention has been stabilized against the degradation of a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT). The invention further relates to a method for the manufacture of the claimed solid, particulate, urea-based blend composition.

公开(公告)号：US20180258002A1

公开(公告)日：2018-09-13

申请号：US15754312

申请日：2016-09-07

Applicant: YARA INTERNATIONAL ASA

Inventor： Filip Colpaert ,  Francois Ledoux ,  Ruud Van Belzen

IPC: C05C9/00 ,  C05C3/00 ,  C05G3/00 ,  C05G3/08

CPC classification number: C05C9/005 ,  A23K20/10 ,  A23K40/10 ,  A23K40/30 ,  C05C3/005 ,  C05G3/0035 ,  C05G3/08 ,  C05D9/02

Abstract: The invention relates to a homogeneous, solid, particulate, urea ammonium sul¬phate-based composition comprising urea ammonium sulphate and a urease inhibitor of the type phosphoric triamide, wherein the urea ammonium sulphate-based composition is further characterized in that one or more of the following measures applies: a) it comprises 5 weight % or less, relative to the total weight of the composition, of one or more alkaline or alkaline-forming inorganic or organic compounds that is able to interact with ammonium sulphate; b) the urease inhibitor of the type phosphoric triamide is in a solid particulate form; c) an anticaking and/or moisture repellent coating is applied onto the urea am¬monium sulphate particulate material. The composition according to the invention has improved properties for reducing ammonia loss by urease activity in the soil and is in particular suitable as a ferti¬lizer. The invention further relates to a method for the manufacture of a homogeneous, solid, particulate urea ammonium sulphate-based composition comprising urea, ammonium sulphate and a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT), as well as to a composi¬tion of kit of parts comprising: a) one or more alkaline or alkaline-forming inorganic compounds that is able to interact with ammonium sulphate; b) the urease inhibitor of the type phosphoric triamide in solid particulate or liquid form, preferably wherein the urease inhibitor is N-(n-butyl) thiophosphoric tri¬amide (nBTPT); c) optionally, one or more anticaking and/or moisture repellent compounds.

公开(公告)号：US11365161B2

公开(公告)日：2022-06-21

申请号：US17053325

申请日：2019-05-07

Applicant: YARA INTERNATIONAL ASA

Inventor： Ruud Van Belzen ,  Filip Colpaert

IPC: C05C9/00 ,  C05G5/12 ,  C05G3/90 ,  C05C3/00 ,  C05D9/02 ,  C05G1/00 ,  C05G5/30

Abstract: The invention relates to a homogeneous, solid, particulate, urea ammonium sulphate (UAS)-based composition comprising urea ammonium sulphate, a urease inhibitor of the type phosphoric triamide and magnesium sulphate, characterized in that the UAS-based composition comprises 0.02 to 1 weight % of magnesium sulphate, 0.0001 to 1 weight % of the urease inhibitor and about 5 to about 30 weight % of ammonium sulphate. The composition according to the invention has improved properties for reducing ammonia loss by urease activity in the soil and is in particular suitable as a fertilizer. The invention further relates to a method for the manufacture of a homogeneous, solid, particulate urea ammonium sulphate-based composition comprising urea, ammonium sulphate and a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT), as well as to a composition of kit of parts comprising an amount of a) magnesium sulphate; b) a urease inhibitor of the type phosphoric triamide, preferably N-(n-butyl) thiophosphoric triamide (nBTPT); c) optionally, an alkaline or alkaline-forming compound, selected from the group of calcium oxide, zinc oxide, magnesium oxide, calcium carbonate, and mixtures thereof, and d) optionally, one or more anti-caking and/or moisture-repellent and/or anti-dust compounds.

公开(公告)号：US11332412B2

公开(公告)日：2022-05-17

申请号：US17053334

申请日：2019-05-10

Applicant: YARA INTERNATIONAL ASA

Inventor： Ruud Van Belzen ,  Filip Colpaert

IPC: C05C9/00 ,  C05G5/10 ,  C05G3/90 ,  C05D5/00 ,  C05D9/02 ,  C05F11/00 ,  C05D9/00

Abstract: The invention relates to a particulate urea-based composition comprising elemental sulphur and a urease inhibitor of the type phosphoric triamide, wherein the urea-based composition comprising elemental sulphur is further characterized in that it comprises a magnesium sulphate. The composition according to the invention has improved properties for reducing ammonia loss by urease activity in the soil and is in particular suitable as a fertilizer. The invention further relates to a method for the manufacture of a particulate urea-based composition comprising urea, elemental sulphur and a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT), as well as to a composition of kit of parts comprising a magnesium sulphate.

公开(公告)号：US20190225557A1

公开(公告)日：2019-07-25

申请号：US16328294

申请日：2017-10-13

Applicant: YARA INTERNATIONAL ASA

Inventor： Filip Colpaert ,  Francois Ledoux ,  Ruud Van Belzen

IPC: C05G3/08 ,  C05C9/00 ,  A23K50/15

Abstract: The invention relates to a homogeneous, solid, particulate, urea-based composition comprising elemental sulphur and a urease inhibitor of the type phosphoric triamide, wherein the urea-based composition comprising elemental sulphur is further characterized in that one or more of the following measures applies: a) it comprises 5 weight % or less, relative to the total weight of the composition, of one or more alkaline or alkaline-forming inorganic or organic compounds; or b) it comprises an anticaking and/or moisture-repellent coating. The composition according to the invention has improved properties for reducing ammonia loss by urease activity in the soil and is in particular suitable as a fertilizer. The invention further relates to a method for the manufacture of a homogeneous, solid, particulate urea-based composition comprising urea, elemental sulphur and a urease inhibitor of the type phosphoric triamide, in particular N-(n-butyl) thiophosphoric triamide (nBTPT), as well as to a composition of kit of parts comprising: a) one or more alkaline or alkaline-forming inorganic or organic compounds; b) the urease inhibitor of the type phosphoric triamide in solid particulate or a liquid form, preferably wherein the urease inhibitor is N-(n-butyl) thiophosphoric triamide (nBTPT); c) optionally, one or more anticaking and/or moisture-repellent compounds.