公开(公告)号：US11345645B2

公开(公告)日：2022-05-31

申请号：US16605913

申请日：2018-04-12

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Rajamalleswaramma Koripelly ,  Ravi Hegde ,  Chandra Mohana ,  Radha Achanath ,  Samik Gupta ,  Sabeshan Kanagalingam

IPC: C05G3/90 ,  C05C9/00

Abstract: Fertilizer particles described herein include a powder composition that can contain one or more urease inhibitors and/or nitrification inhibitors and a filler material embedded within a solid urea matrix. Methods of producing the fertilizer particles involve contacting a powder composition that can contain one or more urease inhibitors and/or nitrification inhibitors and a filler with molten urea under conditions sufficient to form a fertilizer particle having the powder composition embedded within a solid urea matrix.

公开(公告)号：US12006273B2

公开(公告)日：2024-06-11

申请号：US17715466

申请日：2022-04-07

Applicant: SABIC Global Technologies B.V.

Inventor： Ravi Hegde ,  Rajamalleswaramma Koripelly ,  Chandra Mohana ,  Radha Achanath ,  Samik Gupta ,  Sabeshan Kanagalingam

IPC: C05G3/90 ,  C05C9/00 ,  C05C11/00 ,  C05G5/30 ,  C05G5/35 ,  C05G5/40

CPC classification number: C05G3/90 ,  C05C9/00 ,  C05C9/005 ,  C05C11/00 ,  C05G5/30 ,  C05G5/35 ,  C05G5/40

Abstract: 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.

公开(公告)号：US11104618B2

公开(公告)日：2021-08-31

申请号：US15746055

申请日：2016-07-18

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Sabeshan Kanagalingam ,  Ravi Hegde ,  Madduri Srinivasarao ,  Rajamalleswaramma Koripelly ,  Samik Gupta ,  Nilkamal Bag ,  Satish Burla ,  Yoganand Gurumallappa

IPC: C05G3/90 ,  C05D3/00 ,  C05G5/00 ,  C05C9/00 ,  C05G3/00

Abstract: 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.

公开(公告)号：US11964924B2

公开(公告)日：2024-04-23

申请号：US17262171

申请日：2019-07-23

Applicant: SABIC Global Technologies B.V.

Inventor： Rajamalleswaramma Koripelly ,  Satish Burla ,  Radha Achanath ,  Samik Gupta

IPC: C05C9/02 ,  C05G3/30 ,  C05G5/12

CPC classification number: C05C9/02 ,  C05G3/30 ,  C05G5/12

Abstract: 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.

公开(公告)号：US11465945B2

公开(公告)日：2022-10-11

申请号：US16606968

申请日：2018-04-16

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Rajamalleswaramma Koripelly ,  Radha Achanath ,  Chandra Mohana ,  Samik Gupta

IPC: C05C9/02 ,  C08G12/12

Abstract: Urea-aldehyde condensation compositions, processes for preparing the same, and the use of said compositions are disclosed. The compositions can have a nitrogen content that is 100% water soluble and can be used as a fertilizer.

公开(公告)号：US11066342B2

公开(公告)日：2021-07-20

申请号：US15746055

申请日：2016-07-18

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Sabeshan Kanagalingam ,  Ravi Hegde ,  Madduri Srinivasarao ,  Rajamalleswaramma Koripelly ,  Samik Gupta ,  Nilkamal Bag ,  Satish Burla ,  Yoganand Gurumallappa

IPC: C05G3/90 ,  C05D3/00 ,  C05G5/00 ,  C05C9/00 ,  C05G3/00

Abstract: 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.

公开(公告)号：US11806689B2

公开(公告)日：2023-11-07

申请号：US16076105

申请日：2017-02-08

Applicant: SABIC Global Technologies B.V.

Inventor： Satish Burla ,  Rajamalleswaramma Koripelly ,  Gurumallappa Yoganand ,  Samik Gupta ,  Sabeshan Kanagalingam

IPC: B01J2/20 ,  B29C48/345 ,  B29C48/04 ,  B30B11/22 ,  B29C48/285 ,  C05G5/12 ,  B29L31/00

CPC classification number: B01J2/20 ,  B29C48/04 ,  B29C48/297 ,  B29C48/345 ,  B30B11/221 ,  C05G5/12 ,  B29L2031/7004

Abstract: Described herein is a method of making a fertilizer granule. The method includes supplying a fertilizer component, an liquid component, a binder and a filler to a zoned extruder comprising a die head, a screw, and at least three zones; mixing the fertilizer component, liquid component, binder and filler to yield a thixotropic mixture; and passing the thixotropic mixture through the die head.

公开(公告)号：US11306037B2

公开(公告)日：2022-04-19

申请号：US16605647

申请日：2018-04-12

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Ravi Hegde ,  Rajamalleswaramma Koripelly ,  Chandra Mohana ,  Radha Achanath ,  Samik Gupta ,  Sabeshan Kanagalingam

IPC: C05G5/35 ,  C05G3/90 ,  C05C9/00 ,  C05C11/00

Abstract: 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.

公开(公告)号：US11021409B2

公开(公告)日：2021-06-01

申请号：US16636391

申请日：2018-08-07

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Yoganand Gurumallappa ,  Ravi Hegde ,  Satish Burla ,  Rajamalleswaramma Koripelly ,  Samik Gupta

IPC: C05C9/00 ,  C05G5/12 ,  C05G5/40 ,  C05G3/90

Abstract: 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.

公开(公告)号：US10689306B2

公开(公告)日：2020-06-23

申请号：US15746096

申请日：2016-07-18

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Sabeshan Kanagalingam ,  Ravi Hegde ,  Madduri Srinivasarao ,  Rajamalleswaramma Koripelly ,  Samik Gupta ,  Nilkamal Bag ,  Satish Burla ,  Yoganand Gurumallappa

IPC: C05G3/08 ,  C05C9/00 ,  C05G3/00 ,  C07F9/22

Abstract: In accordance with the present invention, disclosed herein is a fertilizer core particle and fertilizer granule. The fertilizer core particle has one or more fertilizer additives, one or more binders comprising a wax, and one or more pH buffering agents, and wherein the core particle comprises from about 10 wt % to about 99 wt % of the one or more binders comprising a wax.