Separation Purification

Industry

CPC
C07C273/16

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

CCHEMISTRY METALLURGY C07Organic chemistry C07CACYCLIC OR CARBOCYCLIC COMPOUNDS C07C273/00Preparation of urea or its derivatives

Current Industry

C07C273/16Separation Purification

Industries

Patents Grantslast 30 patents

Information Patent Grant
Process for producing feed-grade urea
- Patent number 12,116,335
- Issue date Oct 15, 2024
- Casale SA
- Leonardo Marrone
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing urea and biuret
- Patent number 12,110,264
- Issue date Oct 8, 2024
- Casale SA
- Leonardo Marrone
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Urea production process and plant
- Patent number 12,103,905
- Issue date Oct 1, 2024
- Casale SA
- Paolo Bertini
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Distribution chamber for liquid stream
- Patent number 12,102,938
- Issue date Oct 1, 2024
- Yara International ASA
- Lino Giovanni Porro
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Ferritic steel parts in urea plants
- Patent number 12,084,406
- Issue date Sep 10, 2024
- Stamicarbon B.V.
- Kirk Anguah Ofei
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus and method for particulate capture from gas streams and a...
- Patent number 12,083,468
- Issue date Sep 10, 2024
- Stamicarbon B.V.
- Brian Sayre Higgins
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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

Patents Applicationslast 30 patents

Information Patent Application
UREA SYNTHESIS FROM GREENHOUSE GAS AND NITROGEN VIA TRANSITION META...
- Publication number 20240368074
- Publication date Nov 7, 2024
- King Faisal University
- HASSAN H. HAMMUD
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
COUPLED UREA MELAMINE PLANT
- Publication number 20240327358
- Publication date Oct 3, 2024
- Stamicarbon B.V.
- Rahul PATIL
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING LOW-BIURET UREA
- Publication number 20240294469
- Publication date Sep 5, 2024
- Casale SA
- Leonardo Marrone
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PRODUCTION OF UREA AND MELAMINE
- Publication number 20240270684
- Publication date Aug 15, 2024
- Stamicarbon B.V.
- Ahmed ABDELMAGID
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MULTIPRODUCT LOW BIURET UREA PRODUCTION
- Publication number 20240262789
- Publication date Aug 8, 2024
- Stamicarbon B.V.
- Branislav MANIC
- C07 - ORGANIC CHEMISTRY
Information Patent Application
FERRITIC STEEL PARTS IN UREA PLANTS
- Publication number 20240262787
- Publication date Aug 8, 2024
- Stamicarbon B.V.
- Kirk Anguah OFEI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
UREA PRODUCTION PROCESS AND PLANT
- Publication number 20240217924
- Publication date Jul 4, 2024
- Casale SA
- Paolo Bertini
- C07 - ORGANIC CHEMISTRY
Information Patent Application
IMPROVEMENTS TO EQUIPMENT OF UREA PLANTS
- Publication number 20240208897
- Publication date Jun 27, 2024
- Casale SA
- Andrea Beretti
- C07 - ORGANIC CHEMISTRY
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

Separation Purification

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for producing feed-grade urea

Process for producing urea and biuret

Urea production process and plant

Distribution chamber for liquid stream

Ferritic steel parts in urea plants

Apparatus and method for particulate capture from gas streams and a...

High pressure strippers for use in urea plants

Urea production plant and scrubbing system

Preparation of urea solution and facility to do so

Ferritic steel parts in urea plants

High pressure strippers for use in urea plants

Urea production process and production plant using CO2 producted by...

Process for the synthesis of urea

Urea plant with chilled condensation section

Apparatus and method for treatment of process vapours coming from a...

Urea production with multiple evaporators

Apparatus and method for particulate capture from gas streams and a...

Process and plant for the synthesis of urea

Treatment of offgas from urea finishing

Combined apparatus for the synthesis of urea

Method for recycling urea in urea adduct process

Shell-and-tube equipment with distribution device

Apparatus and method for waste gas scrubbing

Urea production process and plant

Urea ammonium nitrate production comprising condensation

Method for granulating urea

Urea production with controlled biuret

Integrated process and plant for production of urea and UAS (urea-a...

Urea finishing and off-gas treatment plant and process

Urea process with high-temperature stripping

Patents Applicationslast 30 patents

UREA SYNTHESIS FROM GREENHOUSE GAS AND NITROGEN VIA TRANSITION META...

COUPLED UREA MELAMINE PLANT

PROCESS FOR PRODUCING LOW-BIURET UREA

PRODUCTION OF UREA AND MELAMINE

MULTIPRODUCT LOW BIURET UREA PRODUCTION

FERRITIC STEEL PARTS IN UREA PLANTS

UREA PRODUCTION PROCESS AND PLANT

IMPROVEMENTS TO EQUIPMENT OF UREA PLANTS

STRIPPING-TYPE UREA PLANT FOR DEF PRODUCTION

PROCESS FOR PRODUCING UREA AND BIURET

UREA PRILLING PROCESS

METHOD AND SYSTEM FOR PREPARING UREA BY COUPLING DENITRATION WITH E...

STRIPPER WITH BOTTOM CHAMBER

DISTRIBUTION CHAMBER FOR LIQUID STREAM

PROCESS FOR PRODUCING FEED-GRADE UREA

FERRITIC STEEL PARTS IN UREA PLANTS

A PROCESS FOR PRODUCING LOW-BIURET UREA

PREPARATION OF UREA SOLUTION AND FACILITY TO DO SO

FERRITIC STEEL PARTS IN UREA PLANTS

IMPROVED METHOD OF SYNTHESIS AND PURIFICATION OF CITRULLINE

APPARATUS AND METHOD FOR PARTICULATE CAPTURE FROM GAS STREAMS AND A...

UREA PRODUCTION WITH MULTIPLE EVAPORATORS

UREA PLANT WITH CHILLED CONDENSATION SECTION

METHOD FOR PRODUCING SOLID UREA BY GRANULATION

HIGH PRESSURE STRIPPERS FOR USE IN UREA PLANTS

A PROCESS FOR THE SYNTHESIS OF UREA

A UREA PRODUCTION PROCESS AND PRODUCTION PLANT USING CO2 PRODUCTED...

TREATMENT OF OFFGAS FROM UREA FINISHING

HIGH PRESSURE STRIPPERS FOR USE IN UREA PLANTS

UREA PRODUCTION PLANT AND SCRUBBING SYSTEM