Ring systems of four or more rings

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CPC
C07D221/18

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CCHEMISTRY METALLURGY C07Organic chemistry C07DHETEROCYCLIC COMPOUNDS C07D221/00Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00

Current Industry

C07D221/18Ring systems of four or more rings

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Imide derivative, luminescent composition containing same, luminous...
- Patent number 12,302,749
- Issue date May 13, 2025
- Konica Minolta, Inc.
- Shumpei Hitosugi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heterocyclic compound, organic light-emitting device including hete...
- Patent number 12,240,817
- Issue date Mar 4, 2025
- Samsung Electronics Co., Ltd.
- Eigo Miyazaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electroactive materials
- Patent number 12,232,413
- Issue date Feb 18, 2025
- LG Chem, Ltd.
- Viacheslav V. Diev
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic electroluminescent materials and devices
- Patent number 12,201,013
- Issue date Jan 14, 2025
- Universal Display Corporation
- Walter Yeager
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound and organic semiconducting layer, organic electronic devic...
- Patent number 12,108,664
- Issue date Oct 1, 2024
- NovaLED GmbH
- Elena Galan Garcia
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Condensed cyclic compound and organic light-emitting device includi...
- Patent number 12,082,500
- Issue date Sep 3, 2024
- Samsung Display Co., Ltd.
- Junha Park
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfonylureas and related compounds and use of same
- Patent number 11,845,715
- Issue date Dec 19, 2023
- The University of Queensland
- Luke O'Neill
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Metal oxide nanoparticles with alkylsiloxane ligands bonded thereto
- Patent number 11,685,666
- Issue date Jun 27, 2023
- CubicPV Inc.
- Michael David Irwin
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electroactive materials
- Patent number 11,683,979
- Issue date Jun 20, 2023
- LG Chem, Ltd.
- Viacheslav V. Diev
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metabolism resistant fenfluramine analogs and methods of using the...
- Patent number 11,673,852
- Issue date Jun 13, 2023
- ZOGENIX INTERNATIONAL LIMITED
- Stephen J. Farr
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Azulene ring-containing compound, its use, and an organic photoelec...
- Patent number 11,667,618
- Issue date Jun 6, 2023
- WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
- Tiezhen Gao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sensor compounds and associated methods and devices
- Patent number 11,613,537
- Issue date Mar 28, 2023
- University of Utah Research Foundation
- Ling Zang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Compound, organic electronic device comprising the same, and displa...
- Patent number 11,539,001
- Issue date Dec 27, 2022
- NovaLED GmbH
- Steffen Runge
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescent device comprising a redox-doped electron...
- Patent number 11,532,801
- Issue date Dec 20, 2022
- NovaLED GmbH
- Domagoj Pavicic
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Crystalline form of s-apomorphine
- Patent number 11,459,301
- Issue date Oct 4, 2022
- Aclipse One, Inc.
- Ning Shan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metabolism resistant fenfluramine analogs and methods of using the...
- Patent number 11,325,882
- Issue date May 10, 2022
- ZOGENIX INTERNATIONAL LIMITED
- Stephen J. Farr
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light harvesting array
- Patent number 11,322,690
- Issue date May 3, 2022
- Flurosol Industries Pty Ltd
- Alexander Falber
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
7H-azulene [1,2,3-i,j] isoquinolin-7-one compound, single crystal a...
- Patent number 11,312,687
- Issue date Apr 26, 2022
- HUNAN UNIVERSITY OF CHINESE MEDICINE
- Shunxiang Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Materials for electronic devices
- Patent number 11,302,870
- Issue date Apr 12, 2022
- Merck Patent GmbH
- Amir Parham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sensor compounds and associated methods and devices
- Patent number 11,261,181
- Issue date Mar 1, 2022
- University of Utah Research Foundation
- Ling Zang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Condensed cyclic compound and organic light-emitting device includi...
- Patent number 11,223,018
- Issue date Jan 11, 2022
- Samsung Display Co., Ltd.
- Sooyon Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Synthesis of tetracyclines and analogues thereof
- Patent number 11,192,866
- Issue date Dec 7, 2021
- President and Fellows of Harvard College
- Andrew G. Myers
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal oxide nanoparticle
- Patent number 11,186,495
- Issue date Nov 30, 2021
- CUBIC PEROVSKITE LLC
- Michael David Irwin
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Organic electroluminescent materials and devices
- Patent number 11,183,642
- Issue date Nov 23, 2021
- Universal Display Corporation
- Pierre-Luc T. Boudreault
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sulfonylureas and related compounds and use of same
- Patent number 11,130,731
- Issue date Sep 28, 2021
- THE PROVOST, FELLOWS, FOUNDATION SCHOLARS, AND THE OTHER MEMBERS OF BOARD, OF...
- Luke O'Neill
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Condensed cyclic compound and organic light-emitting device includi...
- Patent number 11,133,473
- Issue date Sep 28, 2021
- Samsung Display Co., Ltd.
- Junha Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heterocyclic compound and organic light emitting element using same
- Patent number 11,133,477
- Issue date Sep 28, 2021
- LT MATERIALS CO., LTD.
- Yun-Ji Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Stimulant abuse-deterrent compositions
- Patent number 11,103,458
- Issue date Aug 31, 2021
- 4P-Pharma
- Yoram Sela
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compound for organic electronic element, organic electronic element...
- Patent number 11,088,330
- Issue date Aug 10, 2021
- Duk San Neolux Co., Ltd
- Yun Suk Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron transport layer stack for an organic light-emitting diode
- Patent number 11,011,708
- Issue date May 18, 2021
- NovaLED GmbH
- Julien Frey
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR SYNTHESIZING NUCIFERINE OR DERIVATIVE THEREOF, DERIVATIV...
- Publication number 20250197356
- Publication date Jun 19, 2025
- Huaqiao University
- Xuchong Tang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MATERIALS FOR ELECTRONIC DEVICES
- Publication number 20250160204
- Publication date May 15, 2025
- Merck Patent GmbH
- Philipp STOESSEL
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DIIMIDE DERIVATIVE, AND PREPARATION METHOD THEREFOR AND USE THEREOF
- Publication number 20250100973
- Publication date Mar 27, 2025
- XIANGBEI WELMAN PHARMACEUTICAL CO., LTD.
- Tianyu SUN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
RARE EARTH COMPLEX
- Publication number 20250074925
- Publication date Mar 6, 2025
- TOSOH CORPORATION
- Keisuke ARAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SULFONYLUREAS AND RELATED COMPOUNDS AND USE OF SAME
- Publication number 20240400502
- Publication date Dec 5, 2024
- The University of Queensland
- Luke O'NEILL
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SELECTIVE PSYCHEDELIC COMPOUNDS
- Publication number 20240343692
- Publication date Oct 17, 2024
- University of Pittsburgh of the Commonwealth System of Higher Education
- Peter Wipf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
FERROPTOSIS INHIBITOR AND USE THEREFOR
- Publication number 20240327420
- Publication date Oct 3, 2024
- JICHI MEDICAL UNIVERSITY
- Hitoshi OSAKA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BICYCLIC PYRIDINE DERIVATIVE
- Publication number 20240228505
- Publication date Jul 11, 2024
- Sumitomo Pharma Co., Ltd.
- Satoshi ADACHI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
QUINOLINE DERIVATIVES AND USES IN MANAGING CANCER
- Publication number 20240059658
- Publication date Feb 22, 2024
- Emory University
- Muxiang Zhou
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Bioactive Benzocycloheptene Analogues From Himachalenes and its App...
- Publication number 20230382860
- Publication date Nov 30, 2023
- Council of Scientific and Industrial Research
- Pralay DAS
- C07 - ORGANIC CHEMISTRY
Information Patent Application
FUSED RING DIIMIDE DERIVATIVE, PREPARATION METHOD AND USE THEREOF
- Publication number 20230373929
- Publication date Nov 23, 2023
- XIANGBEI WELMAN PHARMACEUTICAL CO., LTD.
- Tianyu SUN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
NOVEL DIBENZOACRIDINIUM DERIVATIVES, THEIR PROCESS OF PREPARATION A...
- Publication number 20230339862
- Publication date Oct 26, 2023
- INSTITU NATIONAL DE LA SANTE ET DE LA RECHRCHE MEDICAL (INSERM)
- Samir AMRANE
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Electroactive Materials
- Publication number 20230320195
- Publication date Oct 5, 2023
- LG CHEM, LTD.
- Viacheslav V. Diev
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
- Publication number 20230292596
- Publication date Sep 14, 2023
- Merck Patent GmbH
- Amir Hossain PARHAM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process
- Publication number 20230278961
- Publication date Sep 7, 2023
- Johnson Matthey Public Limited Company
- Nicolas ARCHER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Metal Oxide Nanoparticle With Alkylsiloxane Ligands Bonded Thereto
- Publication number 20230271848
- Publication date Aug 31, 2023
- CubicPV Inc.
- Michael David Irwin
- B82 - NANO-TECHNOLOGY
Information Patent Application
OXYNITIDINE DERIVATIVES USEFUL AS INHIBITORS OF TOPOISOMERASE IB (T...
- Publication number 20230219895
- Publication date Jul 13, 2023
- The United States of America, as represented by the Secretary, Department of...
- Lin-Kun AN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LIGHT EMITTING ELEMENT AND AMINE COMPOUND FOR THE SAME
- Publication number 20230165137
- Publication date May 25, 2023
- SAMSUNG DISPLAY CO., LTD.
- DONGJUN KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBSTITUTED BICYCLIC AND TRICYCLIC UREAS AND AMIDES, ANALOGUES THER...
- Publication number 20230108906
- Publication date Apr 6, 2023
- ARBUTUS BIOPHARMA CORPORATION
- Andrew G. Cole
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
NEW RYLENE DICARBOXIMIDES
- Publication number 20230097455
- Publication date Mar 30, 2023
- BASF SE
- Frank WUERTHNER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AROMATIC COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES
- Publication number 20230069061
- Publication date Mar 2, 2023
- Merck Patent GmbH
- Philipp STOESSEL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUNDS AND COMPOSITIONS FOR TREATING CONDITIONS ASSOCIATED WITH...
- Publication number 20230031406
- Publication date Feb 2, 2023
- Novartis AG
- Shomir GHOSH
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METABOLISM RESISTANT FENFLURAMINE ANALOGS AND METHODS OF USING THE...
- Publication number 20220289663
- Publication date Sep 15, 2022
- ZOGENIX INTERNATIONAL LIMITED
- Stephen J. FARR
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DOPAMINE RECEPTOR D1 AGONISTS AND METHODS OF USE
- Publication number 20220267277
- Publication date Aug 25, 2022
- SANFORD BURNHAM PREBYS MEDICAL DISCOVERY INSTITUTE
- Brad SAVALL
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SEE ADDENDUM
- Publication number 20220209135
- Publication date Jun 30, 2022
- NovaLED GmbH
- Elena Galán Garciá
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING HETE...
- Publication number 20220204453
- Publication date Jun 30, 2022
- Samsung Electronics Co., Ltd.
- Eigo MIYAZAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for Preparing an Organic Semiconducting Layer, a Composition...
- Publication number 20220131115
- Publication date Apr 28, 2022
- NovaLED GmbH
- Volodymyr Senkovskyy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SULFONYLUREAS AND RELATED COMPOUNDS AND USE OF SAME
- Publication number 20220112159
- Publication date Apr 14, 2022
- The University of Queensland
- Luke O'NEILL
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ACETAMIDO DERIVATIVES AS DNA POLYMERASE THETA INHIBITORS
- Publication number 20220098154
- Publication date Mar 31, 2022
- IDEAYA BIOSCIENCES, INC.
- Hilary Plake BECK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METAL OXIDE NANOPARTICLE ELECTRON TRANSPORT LAYERS IN PEROVSKITE SE...
- Publication number 20220041462
- Publication date Feb 10, 2022
- CubicPV Inc.
- Michael David Irwin
- B82 - NANO-TECHNOLOGY

Ring systems of four or more rings

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Imide derivative, luminescent composition containing same, luminous...

Heterocyclic compound, organic light-emitting device including hete...

Electroactive materials

Organic electroluminescent materials and devices

Compound and organic semiconducting layer, organic electronic devic...

Condensed cyclic compound and organic light-emitting device includi...

Sulfonylureas and related compounds and use of same

Metal oxide nanoparticles with alkylsiloxane ligands bonded thereto

Electroactive materials

Metabolism resistant fenfluramine analogs and methods of using the...

Azulene ring-containing compound, its use, and an organic photoelec...

Sensor compounds and associated methods and devices

Compound, organic electronic device comprising the same, and displa...

Organic electroluminescent device comprising a redox-doped electron...

Crystalline form of s-apomorphine

Metabolism resistant fenfluramine analogs and methods of using the...

Light harvesting array

7H-azulene [1,2,3-i,j] isoquinolin-7-one compound, single crystal a...

Materials for electronic devices

Sensor compounds and associated methods and devices

Condensed cyclic compound and organic light-emitting device includi...

Synthesis of tetracyclines and analogues thereof

Metal oxide nanoparticle

Organic electroluminescent materials and devices

Sulfonylureas and related compounds and use of same

Condensed cyclic compound and organic light-emitting device includi...

Heterocyclic compound and organic light emitting element using same

Stimulant abuse-deterrent compositions

Compound for organic electronic element, organic electronic element...

Electron transport layer stack for an organic light-emitting diode

Patents Applicationslast 30 patents

METHOD FOR SYNTHESIZING NUCIFERINE OR DERIVATIVE THEREOF, DERIVATIV...

MATERIALS FOR ELECTRONIC DEVICES

DIIMIDE DERIVATIVE, AND PREPARATION METHOD THEREFOR AND USE THEREOF

RARE EARTH COMPLEX

SULFONYLUREAS AND RELATED COMPOUNDS AND USE OF SAME

SELECTIVE PSYCHEDELIC COMPOUNDS

FERROPTOSIS INHIBITOR AND USE THEREFOR

BICYCLIC PYRIDINE DERIVATIVE

QUINOLINE DERIVATIVES AND USES IN MANAGING CANCER

Bioactive Benzocycloheptene Analogues From Himachalenes and its App...

FUSED RING DIIMIDE DERIVATIVE, PREPARATION METHOD AND USE THEREOF

NOVEL DIBENZOACRIDINIUM DERIVATIVES, THEIR PROCESS OF PREPARATION A...

Electroactive Materials

MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES

Process

Metal Oxide Nanoparticle With Alkylsiloxane Ligands Bonded Thereto

OXYNITIDINE DERIVATIVES USEFUL AS INHIBITORS OF TOPOISOMERASE IB (T...

LIGHT EMITTING ELEMENT AND AMINE COMPOUND FOR THE SAME

SUBSTITUTED BICYCLIC AND TRICYCLIC UREAS AND AMIDES, ANALOGUES THER...

NEW RYLENE DICARBOXIMIDES

AROMATIC COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES

COMPOUNDS AND COMPOSITIONS FOR TREATING CONDITIONS ASSOCIATED WITH...

METABOLISM RESISTANT FENFLURAMINE ANALOGS AND METHODS OF USING THE...

DOPAMINE RECEPTOR D1 AGONISTS AND METHODS OF USE

SEE ADDENDUM

HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING HETE...

Method for Preparing an Organic Semiconducting Layer, a Composition...

SULFONYLUREAS AND RELATED COMPOUNDS AND USE OF SAME

ACETAMIDO DERIVATIVES AS DNA POLYMERASE THETA INHIBITORS

METAL OXIDE NANOPARTICLE ELECTRON TRANSPORT LAYERS IN PEROVSKITE SE...