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C07C273/16
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CHEMISTRY METALLURGY
C07
Organic chemistry
C07C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C273/00
Preparation of urea or its derivatives
Current Industry
C07C273/16
Separation Purification
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Patents Grants
last 30 patents
Information
Patent Grant
High pressure strippers for use in urea plants
Patent number
11,976,027
Issue date
May 7, 2024
Yara International ASA
Lino Giovanni Porro
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Urea production plant and scrubbing system
Patent number
11,958,793
Issue date
Apr 16, 2024
THYSSENKRUPP FERTILIZER TECHNOLOGY GMBH
Harald Franzrahe
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Preparation of urea solution and facility to do so
Patent number
11,858,882
Issue date
Jan 2, 2024
Yara International ASA
Adrian Bynes
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Ferritic steel parts in urea plants
Patent number
11,746,084
Issue date
Sep 5, 2023
Stamicarbon B.V.
Kirk Anguah Ofei
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High pressure strippers for use in urea plants
Patent number
11,571,678
Issue date
Feb 7, 2023
Yara International ASA
Luigi Serraiocco
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Urea production process and production plant using CO2 producted by...
Patent number
11,572,340
Issue date
Feb 7, 2023
Saipem S.p.A.
Andrea Zambianco
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the synthesis of urea
Patent number
11,535,586
Issue date
Dec 27, 2022
Casale SA
Leonardo Marrone
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Urea plant with chilled condensation section
Patent number
11,420,937
Issue date
Aug 23, 2022
Stamicarbon B.V.
Rahul Patil
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Apparatus and method for treatment of process vapours coming from a...
Patent number
11,376,542
Issue date
Jul 5, 2022
Saipem S.p.A.
Cristina Cerrone
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Urea production with multiple evaporators
Patent number
11,332,437
Issue date
May 17, 2022
Stamicarbon B.V.
Rahul Patil
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus and method for particulate capture from gas streams and a...
Patent number
11,298,646
Issue date
Apr 12, 2022
Stamicarbon B.V.
Brian Sayre Higgins
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Process and plant for the synthesis of urea
Patent number
11,279,671
Issue date
Mar 22, 2022
Casale SA
Paolo Bertini
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Treatment of offgas from urea finishing
Patent number
11,241,649
Issue date
Feb 8, 2022
Stamicarbon B.V.
Giusy Elisa Puci
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Combined apparatus for the synthesis of urea
Patent number
11,186,542
Issue date
Nov 30, 2021
Casale SA
Andrea Scotto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for recycling urea in urea adduct process
Patent number
11,180,445
Issue date
Nov 23, 2021
Zhejang Medicine Co., Ltd Xinchang Pharmaceutical Factory
Yongjian Peng
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Shell-and-tube equipment with distribution device
Patent number
11,045,779
Issue date
Jun 29, 2021
ALFA LAVAL OLMI S.P.A
Alberto Gozzini
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Apparatus and method for waste gas scrubbing
Patent number
10,994,244
Issue date
May 4, 2021
ThyssenKrupp Industrial Solutions AG
Helmut Gehrke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Urea production process and plant
Patent number
10,975,022
Issue date
Apr 13, 2021
Stamicarbon B.V.
Ronny Albert Mathijs Pustjens
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Urea ammonium nitrate production comprising condensation
Patent number
10,954,186
Issue date
Mar 23, 2021
Stamicarbon B.V.
Giusy Elisa Puci
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Method for granulating urea
Patent number
10,894,764
Issue date
Jan 19, 2021
Toyo Engineering Corporation
Shuhei Nakamura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Urea production with controlled biuret
Patent number
10,882,820
Issue date
Jan 5, 2021
Stamicarbon B.V.
Eelco Mostert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Integrated process and plant for production of urea and UAS (urea-a...
Patent number
10,870,584
Issue date
Dec 22, 2020
Saipem S.p.A.
Lorenzo Bruno
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Urea finishing and off-gas treatment plant and process
Patent number
10,829,444
Issue date
Nov 10, 2020
Stamicarbon B.V.
Juan Coloma González
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Urea process with high-temperature stripping
Patent number
10,781,167
Issue date
Sep 22, 2020
Casale SA
Luca Rugnone
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Controlling biuret in urea production
Patent number
10,766,856
Issue date
Sep 8, 2020
Stamicarbon B.V.
Eelco Mostert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Urea production process and plant
Patent number
10,759,745
Issue date
Sep 1, 2020
Stamicarbon B.V.
Ronny Albert Mathijs Pustjens
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Submicron particle removal from gas streams
Patent number
10,730,002
Issue date
Aug 4, 2020
Stamicarbon B.V.
Brian Sayre Higgins
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for cleaning the exhaust air of a granulating system for pro...
Patent number
10,730,009
Issue date
Aug 4, 2020
THYSSENKRUPP FERTILIZER TECHNOLOGY GMBH
Thomas Gerner
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Submicron particle removal from gas streams
Patent number
10,722,831
Issue date
Jul 28, 2020
Stamicarbon B.V.
Brian Sayre Higgins
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Urea preparation machine
Patent number
10,668,445
Issue date
Jun 2, 2020
Zhuhai Gree Intelligent Equipment Co., Ltd.
Ke Gong
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
STRIPPING-TYPE UREA PLANT FOR DEF PRODUCTION
Publication number
20240059623
Publication date
Feb 22, 2024
Stamicarbon B.V.
Johan Albert Arno VAN DEN TILLAART
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
PROCESS FOR PRODUCING UREA AND BIURET
Publication number
20240043375
Publication date
Feb 8, 2024
Casale SA
Leonardo Marrone
C07 - ORGANIC CHEMISTRY
Information
Patent Application
UREA PRILLING PROCESS
Publication number
20240002335
Publication date
Jan 4, 2024
Casale SA
Leonardo Marrone
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD AND SYSTEM FOR PREPARING UREA BY COUPLING DENITRATION WITH E...
Publication number
20230391716
Publication date
Dec 7, 2023
TSINGHUA UNIVERSITY
Yue PENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
STRIPPER WITH BOTTOM CHAMBER
Publication number
20230347258
Publication date
Nov 2, 2023
Lino Giovanni PORRO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DISTRIBUTION CHAMBER FOR LIQUID STREAM
Publication number
20230330557
Publication date
Oct 19, 2023
YARA INTERNATIONAL ASA
Lino Giovanni PORRO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING FEED-GRADE UREA
Publication number
20230303485
Publication date
Sep 28, 2023
Casale SA
Leonardo Marrone
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
FERRITIC STEEL PARTS IN UREA PLANTS
Publication number
20230123681
Publication date
Apr 20, 2023
Stamicarbon B.V.
Kirk Anguah OFEI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
A PROCESS FOR PRODUCING LOW-BIURET UREA
Publication number
20230056347
Publication date
Feb 23, 2023
Casale SA
Leonardo Marrone
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PREPARATION OF UREA SOLUTION AND FACILITY TO DO SO
Publication number
20220289669
Publication date
Sep 15, 2022
YARA INTERNATIONAL ASA
Adrian BYNES
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FERRITIC STEEL PARTS IN UREA PLANTS
Publication number
20220251032
Publication date
Aug 11, 2022
Stamicarbon B.V.
Kirk Anguah OFEI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
IMPROVED METHOD OF SYNTHESIS AND PURIFICATION OF CITRULLINE
Publication number
20220227702
Publication date
Jul 21, 2022
Asklepion Pharmaceuticals, LLC
James Alan BULL
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
APPARATUS AND METHOD FOR PARTICULATE CAPTURE FROM GAS STREAMS AND A...
Publication number
20220184545
Publication date
Jun 16, 2022
Stamicarbon B.V.
Brian Sayre HIGGINS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
UREA PRODUCTION WITH MULTIPLE EVAPORATORS
Publication number
20220089529
Publication date
Mar 24, 2022
Stamicarbon B.V.
Rahul PATIL
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
UREA PLANT WITH CHILLED CONDENSATION SECTION
Publication number
20220089528
Publication date
Mar 24, 2022
Stamicarbon B.V.
Rahul PATIL
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING SOLID UREA BY GRANULATION
Publication number
20220072492
Publication date
Mar 10, 2022
Casale SA
Gianfranco Bedetti
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HIGH PRESSURE STRIPPERS FOR USE IN UREA PLANTS
Publication number
20220064109
Publication date
Mar 3, 2022
YARA INTERNATIONAL ASA
Lino Giovanni PORRO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
A PROCESS FOR THE SYNTHESIS OF UREA
Publication number
20210395190
Publication date
Dec 23, 2021
Casale SA
Leonardo Marrone
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
A UREA PRODUCTION PROCESS AND PRODUCTION PLANT USING CO2 PRODUCTED...
Publication number
20210363100
Publication date
Nov 25, 2021
SAIPEM S.P.A.
Andrea Zambianco
C07 - ORGANIC CHEMISTRY
Information
Patent Application
TREATMENT OF OFFGAS FROM UREA FINISHING
Publication number
20210245089
Publication date
Aug 12, 2021
Stamicarbon B.V.
Giusy Elisa PUCI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HIGH PRESSURE STRIPPERS FOR USE IN UREA PLANTS
Publication number
20210187471
Publication date
Jun 24, 2021
YARA INTERNATIONAL ASA
Luigi SERRAIOCCO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
UREA PRODUCTION PLANT AND SCRUBBING SYSTEM
Publication number
20210024460
Publication date
Jan 28, 2021
THYSSENKRUPP FERTILIZER TECHNOLOGY GMBH
Harald Franzrahe
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
UREA PRODUCTION PROCESS AND PLANT
Publication number
20200361858
Publication date
Nov 19, 2020
Stamicarbon B.V.
Ronny Albert Mathijs PUSTJENS
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SHELL-AND-TUBE EQUIPMENT WITH DISTRIBUTION DEVICE
Publication number
20200306711
Publication date
Oct 1, 2020
ALFA LAVAL OLMI S.P.A
Alberto GOZZINI
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
UREA FINISHING AND OFF-GAS TREATMENT PLANT AND PROCESS
Publication number
20200283377
Publication date
Sep 10, 2020
Stamicarbon B.V.
Juan COLOMA GONZÁLEZ
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
UREA WATER MANUFACTURING DEVICE AND THEREOF METHOD
Publication number
20200270204
Publication date
Aug 27, 2020
KACE
Woo-Sik JEONG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
APPARATUS AND METHOD FOR TREATMENT OF PROCESS VAPOURS COMING FROM A...
Publication number
20200254377
Publication date
Aug 13, 2020
SAIPEM S.P.A.
Cristina Cerrone
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING SOLID UREA BY GRANULATION
Publication number
20200215507
Publication date
Jul 9, 2020
Casale SA
Gianfranco Bedetti
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
PROCESS AND PLANT FOR THE SYNTHESIS OF UREA
Publication number
20200190023
Publication date
Jun 18, 2020
Casale SA
Paolo Bertini
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Urea Manufacturing Method And Urea Manufacturing Apparatus
Publication number
20200172475
Publication date
Jun 4, 2020
TOYO ENGINEERING CORPORATION
Keishi SATO
C07 - ORGANIC CHEMISTRY