Separation Purification

Industry

CPC
C07C319/28

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Parent Industries

CCHEMISTRY METALLURGY C07Organic chemistry C07CACYCLIC OR CARBOCYCLIC COMPOUNDS C07C319/00Preparation of thiols, sulfides, hydropolysulfides or polysulfides

Current Industry

C07C319/28Separation Purification

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Process for the co-production of methyl mercaptan and of dimethyl d...
- Patent number 12,227,468
- Issue date Feb 18, 2025
- Arkema France
- Georges Fremy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for removing carbon disulfide from symmetrical and asymme...
- Patent number 12,209,063
- Issue date Jan 28, 2025
- Chevron Phillips Chemical Company LP
- Kenneth M. Lassen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of D,L-methionine
- Patent number 12,195,422
- Issue date Jan 14, 2025
- Evonik Operations GmbH
- Johannes Wefer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Salt-free production of methionine from methionine nitrile
- Patent number 12,172,950
- Issue date Dec 24, 2024
- Evonik Operations GmbH
- Jürgen Bilz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Distillation process for producing a low TPP phenate
- Patent number 12,103,908
- Issue date Oct 1, 2024
- Chevron Oronite Company LLC
- Eugene Edward Spala
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Continuous photochemical production of high purity linear mercaptan...
- Patent number 12,037,310
- Issue date Jul 16, 2024
- Arkema Inc.
- Jean-Philippe R. Chauvin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Elafibranor salts
- Patent number 12,030,840
- Issue date Jul 9, 2024
- Genfit
- Karine Bertrand
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Low free 2-mercaptoethanol ester and uses thereof
- Patent number 12,012,500
- Issue date Jun 18, 2024
- PMC ORGANOMETALLIX, INC.
- Kevin John Ross
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalytic processes and systems for alkyl sulfide purification
- Patent number 11,945,770
- Issue date Apr 2, 2024
- Chevron Phillips Chemical Company LP
- Kenneth M. Lassen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the purification of hydrogen cyanide
- Patent number 11,939,281
- Issue date Mar 26, 2024
- Evonik Operations GmbH
- Martin Körfer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the co-production of alkyl mercaptan and dialkyl disulf...
- Patent number 11,897,837
- Issue date Feb 13, 2024
- Arkema France
- Georges Fremy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for removing carbon disulfide from symmetrical and asymme...
- Patent number 11,845,716
- Issue date Dec 19, 2023
- Chevron Phillips Chemical Company LP
- Kenneth M. Lassen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods of making deuterium-enriched N-acetylcysteine amide (d-NACA...
- Patent number 11,753,370
- Issue date Sep 12, 2023
- NACUITY PHARMACEUTICALS, INC
- G. Michael Wall
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of methyl mercaptan
- Patent number 11,608,315
- Issue date Mar 21, 2023
- Arkema France
- Georges Frémy
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovered-carbon-dioxide purifying method and methionine manufactur...
- Patent number 11,577,190
- Issue date Feb 14, 2023
- Sumitomo Chemical Company, Limited
- Ryosuke Iwasaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pleuromutilin 2-[(diphenylmethyl)thio] acetic acid ester with anti-...
- Patent number 11,512,049
- Issue date Nov 29, 2022
- SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Qianqian Zhao
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of elafibranor and novel synthesis inte...
- Patent number 11,465,967
- Issue date Oct 11, 2022
- Advitech Advisory and Technologies SA
- Petr Sebesta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation method for polythiol having improved storage stability
- Patent number 11,453,643
- Issue date Sep 27, 2022
- SKC Co., Ltd.
- Seung Mo Hong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing natural L-cysteine hydrochloride hydrate cryst...
- Patent number 11,427,537
- Issue date Aug 30, 2022
- CJ Cheiljedang Corporation
- Jun-Woo Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing 2-hydroxy-4-(methylthio)butyric acid
- Patent number 11,242,316
- Issue date Feb 8, 2022
- Adisseo France S.A.S.
- Virginie Belliere-Baca
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing methionine
- Patent number 11,192,855
- Issue date Dec 7, 2021
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Takao Mizuno
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing methionine
- Patent number 11,180,447
- Issue date Nov 23, 2021
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Noriyuki Shimada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous photochemical production of high purity linear mercaptan...
- Patent number 11,161,810
- Issue date Nov 2, 2021
- Arkema Inc.
- Jean-Philippe R. Chauvin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and device for preparing 2-hydroxy-4-methylthiobutyric acid...
- Patent number 11,130,732
- Issue date Sep 28, 2021
- ZHEJIANG NHU CO., LTD.
- Zhirong Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing methionine
- Patent number 11,111,213
- Issue date Sep 7, 2021
- Sumitomo Chemical Company, Limited
- Yoshitaka Satoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparation of N-acetyl cysteine amide and derivatives t...
- Patent number 11,091,433
- Issue date Aug 17, 2021
- Nacuity Pharmaceutials, Inc.
- G. Michael Wall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing purified methionine and method for preventing...
- Patent number 10,995,065
- Issue date May 4, 2021
- Sumitomo Chemical Company, Limited
- Yoshiyuki Koizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing methionine
- Patent number 10,961,186
- Issue date Mar 30, 2021
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Daisuke Yamashita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing purified methionine and method for preventing...
- Patent number 10,954,189
- Issue date Mar 23, 2021
- Sumitomo Chemical Company, Limited
- Yoshiyuki Koizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of methyl ethyl sulfide and related production systems
- Patent number 10,927,074
- Issue date Feb 23, 2021
- Chevron Phillips Chemical Company LP
- Daniel M. Hasenberg
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
NOVEL PHOTOINITIATORS
- Publication number 20240409507
- Publication date Dec 12, 2024
- IGM RESINS ITALIA S.R.L.
- Marika MORONE
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PREPARING MERCAPTANS WITH SULFHYDROLYSIS OF PURIFIED DIA...
- Publication number 20240270686
- Publication date Aug 15, 2024
- Arkema France
- Georges FREMY
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Methods of Making Deuterium-Enriched N-Acetylcysteine Amide (D-NACA...
- Publication number 20240217927
- Publication date Jul 4, 2024
- NaCuity Pharmaceuticals, Inc.
- G. Michael Wall
- C07 - ORGANIC CHEMISTRY
Information Patent Application
1,6-NAPHTHALENEDITHIOL PRODUCT AND PROCESS FOR PRODUCING THE SAME
- Publication number 20240217926
- Publication date Jul 4, 2024
- SUGAI CHEMICAL INDUSTRY CO., LTD.
- Kenji MINEYAMA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Processes for Removing Carbon Disulfide from Symmetrical and Asymme...
- Publication number 20240083841
- Publication date Mar 14, 2024
- Chevron Phillips Chemical Company LP
- Kenneth M. Lassen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for preparing 2-hydroxy-4-methylthiobutyronitrile or the sel...
- Publication number 20240076267
- Publication date Mar 7, 2024
- ADISSEO FRANCE S.A.S.
- Virginie BELLIERE-BACA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR DRYING METHYL MERCAPTAN BY MEANS OF AZEOTROPIC DISTILLATION
- Publication number 20240043377
- Publication date Feb 8, 2024
- Arkema France
- Georges FREMY
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING MERCAPTANS BY SULFHYDROLYSIS OF SULFIDES
- Publication number 20240025847
- Publication date Jan 25, 2024
- Arkema France
- Georges Fremy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING METHYL MERCAPTAN WITH TREATMENT OF GASEOUS WASTE
- Publication number 20240018100
- Publication date Jan 18, 2024
- Arkema France
- Georges Fremy
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Methods of Making Deuterium-Enriched N-Acetylcysteine Amide (D-NACA...
- Publication number 20230373913
- Publication date Nov 23, 2023
- NaCuity Pharmaceuticals, Inc.
- G. Michael Wall
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PROCESS OF MAKING N,N-DIACETYL-L-CYSTINE DISODIUM SALT FROM CYSTINE...
- Publication number 20230250055
- Publication date Aug 10, 2023
- CONOPCO, INC., D/B/A UNILEVER
- Jose Guillermo ROSA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Mixture Containing Methionine Hydroxy Analog and Oligomer Thereof,...
- Publication number 20230210138
- Publication date Jul 6, 2023
- BLUESTAR ADISSEO NANJING CO., LTD.
- Valentin GUIDAL
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
METHOD FOR PRODUCING THIOL COMPOUND
- Publication number 20230202976
- Publication date Jun 29, 2023
- SHOWA DENKO K.K.
- Yuji HASHIMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PRODUCTION OF ANTITUMOUR PHARMACEUTICAL COMPOSITION...
- Publication number 20230130823
- Publication date Apr 27, 2023
- ANHANGUERA EDUCACIONAL PARTICIPAÇÕES S/A
- Anderson ORZARI RIBEIRO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING MONOSULFOXIDE DERIVATIVE
- Publication number 20230125434
- Publication date Apr 27, 2023
- KUMIAI CHEMICAL INDUSTRY CO., LTD.
- Narumasa Saito
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD AND PROCESS PLANT FOR TREATMENT OF A STREAM OF MIXED COMPOUNDS
- Publication number 20230113771
- Publication date Apr 13, 2023
- SÖDRA SKOGSÄGARNA EKONOMISK FÖRENING
- Jim PARKÅS
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE CO-PRODUCTION OF METHYL MERCAPTAN AND OF DIMETHYL D...
- Publication number 20220363630
- Publication date Nov 17, 2022
- Arkema France
- Georges Fremy
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE CO-PRODUCTION OF ALKYL MERCAPTAN AND DIALKYL DISULF...
- Publication number 20220363631
- Publication date Nov 17, 2022
- Arkema France
- Georges Fremy
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PLEUROMUTILIN 2-[(DIPHENYLMETHYL)THIO]ACETIC ACID ESTER WITH ANTI-D...
- Publication number 20220348540
- Publication date Nov 3, 2022
- SHAANXI UNIVERSITY OF SCIENCE & TECHNOLOGY
- Dan YANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
RREPARATION METHOD OF 3-MERCAPTOPROPIONIC ACID
- Publication number 20220340520
- Publication date Oct 27, 2022
- HEBEI HOFMANN NEW MATERIAL TECHNOLOGY CO. LTD
- Xinfu WANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF D,L-METHIONINE
- Publication number 20220306574
- Publication date Sep 29, 2022
- Evonik Operations GmbH
- Johannes WEFER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
LOW FREE 2-MERCAPTOETHANOL ESTER AND USES THEREOF
- Publication number 20220267265
- Publication date Aug 25, 2022
- PMC ORGANOMETALLIX, INC.
- Kevin John ROSS
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SALT-FREE PRODUCTION OF METHIONINE FROM METHIONINE NITRILE
- Publication number 20220089534
- Publication date Mar 24, 2022
- Evonik Operations GmbH
- Jürgen BILZ
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CONTINUOUS PHOTOCHEMICAL PRODUCTION OF HIGH PURITY LINEAR MERCAPTAN...
- Publication number 20210387947
- Publication date Dec 16, 2021
- Arkema Inc.
- Jean-Philippe R. CHAUVIN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A SYSTEM AND METHOD FOR PROMOTING CHEMICAL REACTIONS
- Publication number 20210379557
- Publication date Dec 9, 2021
- Yeda Research and Development Co. Ltd.
- Ron NAAMAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ELAFIBRANOR SALTS
- Publication number 20210309608
- Publication date Oct 7, 2021
- GENFIT
- Karine BERTRAND
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
S-METHYLMETHIONINE-RICH BRASSICA OLERACEA PLANT
- Publication number 20210274732
- Publication date Sep 9, 2021
- SAKATA SEED CORPORATION
- Manabu KAWAMURA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PURIFICATION OF HYDROGEN CYANIDE
- Publication number 20210269396
- Publication date Sep 2, 2021
- Evonik Operations GmbH
- Martin KÖRFER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR MANUFACTURING 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID
- Publication number 20210188769
- Publication date Jun 24, 2021
- ADISSEO FRANCE S.A.S.
- Virginie BELLIERE-BACA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PURIFICATION OF CYSTEAMINE
- Publication number 20210188767
- Publication date Jun 24, 2021
- Farmabios S.p.A.
- Roberto AROSIO
- C07 - ORGANIC CHEMISTRY

Separation Purification

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for the co-production of methyl mercaptan and of dimethyl d...

Processes for removing carbon disulfide from symmetrical and asymme...

Process for the preparation of D,L-methionine

Salt-free production of methionine from methionine nitrile

Distillation process for producing a low TPP phenate

Continuous photochemical production of high purity linear mercaptan...

Elafibranor salts

Low free 2-mercaptoethanol ester and uses thereof

Catalytic processes and systems for alkyl sulfide purification

Process for the purification of hydrogen cyanide

Process for the co-production of alkyl mercaptan and dialkyl disulf...

Processes for removing carbon disulfide from symmetrical and asymme...

Methods of making deuterium-enriched N-acetylcysteine amide (d-NACA...

Process for the preparation of methyl mercaptan

Recovered-carbon-dioxide purifying method and methionine manufactur...

Pleuromutilin 2-[(diphenylmethyl)thio] acetic acid ester with anti-...

Process for the preparation of elafibranor and novel synthesis inte...

Preparation method for polythiol having improved storage stability

Method for preparing natural L-cysteine hydrochloride hydrate cryst...

Method for manufacturing 2-hydroxy-4-(methylthio)butyric acid

Method for manufacturing methionine

Method for producing methionine

Continuous photochemical production of high purity linear mercaptan...

Method and device for preparing 2-hydroxy-4-methylthiobutyric acid...

Method for producing methionine

Method for preparation of N-acetyl cysteine amide and derivatives t...

Method for producing purified methionine and method for preventing...

Method for producing methionine

Method for producing purified methionine and method for preventing...

Synthesis of methyl ethyl sulfide and related production systems

Patents Applicationslast 30 patents

NOVEL PHOTOINITIATORS

METHOD FOR PREPARING MERCAPTANS WITH SULFHYDROLYSIS OF PURIFIED DIA...

Methods of Making Deuterium-Enriched N-Acetylcysteine Amide (D-NACA...

1,6-NAPHTHALENEDITHIOL PRODUCT AND PROCESS FOR PRODUCING THE SAME

Processes for Removing Carbon Disulfide from Symmetrical and Asymme...

Method for preparing 2-hydroxy-4-methylthiobutyronitrile or the sel...

METHOD FOR DRYING METHYL MERCAPTAN BY MEANS OF AZEOTROPIC DISTILLATION

METHOD FOR PREPARING MERCAPTANS BY SULFHYDROLYSIS OF SULFIDES

METHOD FOR PREPARING METHYL MERCAPTAN WITH TREATMENT OF GASEOUS WASTE

Methods of Making Deuterium-Enriched N-Acetylcysteine Amide (D-NACA...

PROCESS OF MAKING N,N-DIACETYL-L-CYSTINE DISODIUM SALT FROM CYSTINE...

Mixture Containing Methionine Hydroxy Analog and Oligomer Thereof,...

METHOD FOR PRODUCING THIOL COMPOUND

PROCESS FOR THE PRODUCTION OF ANTITUMOUR PHARMACEUTICAL COMPOSITION...

METHOD FOR PRODUCING MONOSULFOXIDE DERIVATIVE

METHOD AND PROCESS PLANT FOR TREATMENT OF A STREAM OF MIXED COMPOUNDS

PROCESS FOR THE CO-PRODUCTION OF METHYL MERCAPTAN AND OF DIMETHYL D...

PROCESS FOR THE CO-PRODUCTION OF ALKYL MERCAPTAN AND DIALKYL DISULF...

PLEUROMUTILIN 2-[(DIPHENYLMETHYL)THIO]ACETIC ACID ESTER WITH ANTI-D...

RREPARATION METHOD OF 3-MERCAPTOPROPIONIC ACID

PROCESS FOR THE PREPARATION OF D,L-METHIONINE

LOW FREE 2-MERCAPTOETHANOL ESTER AND USES THEREOF

SALT-FREE PRODUCTION OF METHIONINE FROM METHIONINE NITRILE

CONTINUOUS PHOTOCHEMICAL PRODUCTION OF HIGH PURITY LINEAR MERCAPTAN...

A SYSTEM AND METHOD FOR PROMOTING CHEMICAL REACTIONS

ELAFIBRANOR SALTS

S-METHYLMETHIONINE-RICH BRASSICA OLERACEA PLANT

PROCESS FOR THE PURIFICATION OF HYDROGEN CYANIDE

METHOD FOR MANUFACTURING 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID

METHOD FOR THE PURIFICATION OF CYSTEAMINE