Separation Purification

Industry

CPC
C07C303/44

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Parent Industries

CCHEMISTRY METALLURGY C07Organic chemistry C07CACYCLIC OR CARBOCYCLIC COMPOUNDS C07C303/00Preparation of esters or amides of sulfuric acids Preparation of sulfonic acids or of their esters, halides, anhydrides or amides

Current Industry

C07C303/44Separation Purification

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Synthesis process for high purity isosulfan blue using flash chroma...
- Patent number 12,180,142
- Issue date Dec 31, 2024
- Rising Pharma Holdings, Inc.
- Vimal Kavuru
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dodecyl sulfate-doped poly(3,4-ethylenedioxythiophene) film and man...
- Patent number 12,162,999
- Issue date Dec 10, 2024
- FLEXOLUTION
- Jung Won Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for filtering 2-acrylamido-2-methylpropane sulfonic acid
- Patent number 12,145,900
- Issue date Nov 19, 2024
- SNF Group
- Cédrick Favero
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparation of Glycopyrrolate Tosylate
- Patent number 11,970,444
- Issue date Apr 30, 2024
- HARMAN FINOCHEM LIMITED
- Vijay Trimbak Kadam
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
8-(4-chlorobenzylideneamino)naphthalene-1,3-disulfonic acid as an a...
- Patent number 11,970,439
- Issue date Apr 30, 2024
- KING FAISAL UNIVERSITY
- Hany Mohamed Abd El-Lateef Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
8-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-1,3-disulfonic ac...
- Patent number 11,932,594
- Issue date Mar 19, 2024
- KING FAISAL UNIVERSITY
- Hany Mohamed Abd El-Lateef Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
8-(4-methoxybenzylideneamino)naphthalene-1,3-disulfonic acid as an...
- Patent number 11,926,579
- Issue date Mar 12, 2024
- KING FAISAL UNIVERSITY
- Hany Mohamed Abd El-Lateef Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
8-(2-hydroxybenzylideneamino)naphthalene-1,3-disulfonic acid as an...
- Patent number 11,912,652
- Issue date Feb 27, 2024
- KING FAISAL UNIVERSITY
- Hany Mohamed Abd El-Lateef Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for preparing taurine and method for recovering mother liquo...
- Patent number 11,891,355
- Issue date Feb 6, 2024
- ZHEJIANG NHU COMPANY LTD.
- Xiaoxiang He
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recycling taurine mother liquor
- Patent number 11,858,883
- Issue date Jan 2, 2024
- QIANJIANG YONGAN PHAMACEUTICAL CO., LTD.
- Yong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing alkali taurinate
- Patent number 11,851,395
- Issue date Dec 26, 2023
- Vitaworks IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing taurine
- Patent number 11,845,714
- Issue date Dec 19, 2023
- Vitaworks IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
System and method for efficiently preparing taurine
- Patent number 11,840,502
- Issue date Dec 12, 2023
- HUBEI GRAND LIFE SCIENCE AND TECHNOLOGY CO., LTD
- Huajun Sun
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the purification of acrylamido-2-methyl-2-propanesulphon...
- Patent number 11,802,109
- Issue date Oct 31, 2023
- SNF GROUP
- Cédrick Favero
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfonated lignin-derived compounds and uses thereof
- Patent number 11,773,537
- Issue date Oct 3, 2023
- CMBlu Energy AG
- Nastaran Krawczyk
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for preparing taurine
- Patent number 11,773,056
- Issue date Oct 3, 2023
- Qianjiang Yongan Pharmaceutical CO., LTD.
- Yong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for removing SO3 and CH4 from mixtures which contain methane...
- Patent number 11,767,290
- Issue date Sep 26, 2023
- Veolia North America Regeneration Services, LLC
- Alan K. Richards
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymorphic forms of Belinostat and processes for preparation thereof
- Patent number 11,739,057
- Issue date Aug 29, 2023
- Fresenius Kabi Oncology Ltd.
- Sridhar Reddy Male
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sulfonated lignin-derived compounds and uses thereof
- Patent number 11,725,340
- Issue date Aug 15, 2023
- CMBlu Energy AG
- Nastaran Krawczyk
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Cyclic process for producing taurine from monoethanolamine
- Patent number 11,623,914
- Issue date Apr 11, 2023
- Vitaworks IP, LLC
- Songzhou Hu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cyclic process for producing taurine from monoethanolamine
- Patent number 11,578,036
- Issue date Feb 14, 2023
- Vitaworks IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and system for preparing high-purity taurine and salt
- Patent number 11,578,037
- Issue date Feb 14, 2023
- Yong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and system for removing impurities out of taurine mother liq...
- Patent number 11,459,294
- Issue date Oct 4, 2022
- QIANJIANG YONGAN PHARMACEUTICAL CO LTD
- Yong Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and production system for fully recovering and treating taur...
- Patent number 11,420,938
- Issue date Aug 23, 2022
- QIANJIANG YONGAN PHARMACEUTICAL CO LTD
- Yong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclic process for producing taurine from monoethanolamine
- Patent number 11,254,639
- Issue date Feb 22, 2022
- Vitaworks IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacturing of alkanesulfonic acids
- Patent number 11,247,967
- Issue date Feb 15, 2022
- BASF SE
- Frieder Borgmeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing low molecular weight aromatic lignin-derived c...
- Patent number 11,225,756
- Issue date Jan 18, 2022
- CMBLU PROJEKT AG
- Nastaran Krawczyk
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Compound comprising certain level of bio-based carbon
- Patent number 11,142,494
- Issue date Oct 12, 2021
- Clariant International Ltd.
- Christoph Kayser
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymorphic forms of belinostat and processes for preparation thereof
- Patent number 11,059,777
- Issue date Jul 13, 2021
- Fresenius Kabi Oncology Ltd.
- Sridhar Reddy Male
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sulfonated aromatic compounds
- Patent number 11,008,284
- Issue date May 18, 2021
- CMBLU PROJEKT AG
- Nastaran Krawczyk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PHARMACEUTICALLY ACCEPTABLE SALT OF ELIGLUSTAT AND CRYSTAL FORM THE...
- Publication number 20250002453
- Publication date Jan 2, 2025
- SPEROGENIX (SHANGHAI) MEDTECH CO., LTD.
- Hanlan LIU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEM FOR PURIFICATION OF ACRYLAMIDO TERTIARY BUTYL SULFONIC ACID...
- Publication number 20240343685
- Publication date Oct 17, 2024
- VINATI ORGANICS LIMITED
- Vinod Kumar Saraf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Sulfonated Lignin-Derived Compounds And Uses Thereof
- Publication number 20240318382
- Publication date Sep 26, 2024
- CMBLU Energy AG
- Nastaran KRAWCZYK
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
QUINOLINE COMPOUND SALT OR CRYSTAL FORM, PREPARATION METHOD THEREFO...
- Publication number 20240182407
- Publication date Jun 6, 2024
- Nanjing Zenshine Pharmaceuticals Co., Ltd.
- Xiaolin Hao
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PURIFICATION OF ALIPHATIC TAURATE AMIDE
- Publication number 20240158342
- Publication date May 16, 2024
- Hocine KABIR
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HIGH-EFFICIENCY CYCLIC PREPARATION METHOD FOR COLUMNAR TAURINE
- Publication number 20230416197
- Publication date Dec 28, 2023
- QIANJIANG YONGAN PHARMACEUTICAL CO., LTD.
- Yong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING TAURINE
- Publication number 20230192602
- Publication date Jun 22, 2023
- VITAWORKS IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING ALKALI TAURINATE
- Publication number 20230192603
- Publication date Jun 22, 2023
- VITAWORKS IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYSTEM FOR SYSTEM FOR PREPARING HIGH-PURITY TAURINE AND SALT
- Publication number 20230183173
- Publication date Jun 15, 2023
- QIANJIANG YONGAN PHARMACEUTICAL CO LTD
- Yong CHEN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING FLUORINATED ETHER COMPOUND
- Publication number 20230174446
- Publication date Jun 8, 2023
- AGC Inc.
- Takuya IWASE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS SULFONATION OF AMINOETHYLENE SULFONIC ESTER WITH CARBON DIO...
- Publication number 20230104350
- Publication date Apr 6, 2023
- Archer-Daniels-Midland Company
- Chi Cheng Ma
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYSTEM FOR REMOVING IMPURITIES OUT OF TAURINE MOTHER LIQUOR AND TAU...
- Publication number 20230044757
- Publication date Feb 9, 2023
- QIANJIANG YONGAN PHARMACEUTICAL CO LTD
- Yong CHEN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING TAURINE AND METHOD FOR RECOVERING MOTHER LIQUO...
- Publication number 20220371992
- Publication date Nov 24, 2022
- ZHEJIANG NHU COMPANY LTD.
- Xiaoxiang HE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR MANUFACTURING ALKANESULFONIC ACIDS
- Publication number 20220348537
- Publication date Nov 3, 2022
- BASF SE
- Frank PIEPENBREIER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR REMOVING SO3 AND CH4 FROM MIXTURES WHICH CONTAIN METHANE...
- Publication number 20220332679
- Publication date Oct 20, 2022
- Veolia North America Regeneration Services, LLC
- Alan K. Richards
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR REMOVING SO3 AND CH4 FROM MIXTURES WHICH CONTAIN METHANE...
- Publication number 20220324794
- Publication date Oct 13, 2022
- Veolia North American Regeneration Services, LLC
- Alan K. Richards
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM AND METHOD FOR EFFICIENTLY PREPARING TAURINE
- Publication number 20220324793
- Publication date Oct 13, 2022
- HUBEI GRAND LIFE SCIENCE AND TECHNOLOGY CO., LTD
- Huajun SUN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING TAURINE
- Publication number 20220281811
- Publication date Sep 8, 2022
- QIANJIANG YONGAN PHARMACEUTICAL CO., LTD.
- Yong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
RECOVERY OF WATER-FREE METHANESULFONIC ACID FROM THE BOTTOM STREAM...
- Publication number 20220274919
- Publication date Sep 1, 2022
- BASF SE
- Marina-Eleni STAVROU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR REDUCING THE CONCENTRATION OF SO3 IN A REACTION MIXTURE...
- Publication number 20220259143
- Publication date Aug 18, 2022
- BASF SE
- Timo OTT
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PRODUCTION OF ANHYDROUS METHANESULFONIC ACID FROM M...
- Publication number 20220194895
- Publication date Jun 23, 2022
- BASF SE
- Frieder BORGMEIER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Cyclic Process for Producing Taurine from Monoethanolamine
- Publication number 20220135519
- Publication date May 5, 2022
- VITAWORKS IP, LLC
- Songzhou Hu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PURIFICATION OF ACRYLAMIDO-2-METHYL-2-PROPANESULPHON...
- Publication number 20220089530
- Publication date Mar 24, 2022
- S.P.C.M. SA
- Cédrick FAVERO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Cyclic Process for Producing Taurine from Monoethanolamine
- Publication number 20220073455
- Publication date Mar 10, 2022
- VITAWORKS IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CATIONS AS CATALYST IN THE PRODUCTION OF ALKANE SULFONIC ACIDS
- Publication number 20220033354
- Publication date Feb 3, 2022
- BASF SE
- Timo OTT
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARATION OF GLYCOPYRROLATE TOSYLATE
- Publication number 20220009888
- Publication date Jan 13, 2022
- HARMAN FINOCHEM LIMITED
- Vijay Trimbak KADAM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD AND SYSTEM FOR PREPARING HIGH-PURITY TAURINE AND SALT
- Publication number 20210332008
- Publication date Oct 28, 2021
- QIANJIANG YONGAN PHARMACEUTICAL CO., LTD.
- Yong CHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DODECYL SULFATE-DOPED POLY(3,4-ETHYLENEDIOXYTHIOPHENE) FILM AND MAN...
- Publication number 20210317277
- Publication date Oct 14, 2021
- FLEXOLUTION
- Jung Won LEE
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
POLYMORPHIC FORMS OF BELINOSTAT AND PROCESSES FOR PREPARATION THEREOF
- Publication number 20210292276
- Publication date Sep 23, 2021
- FRESENIUS KABI ONCOLOGY LTD.
- Sridhar Reddy MALE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING IMIDE SALTS CONTAINING A FLUOROSULFONYL GROUP
- Publication number 20210214220
- Publication date Jul 15, 2021
- Arkema France
- Grégory SCHMIDT
- C01 - INORGANIC CHEMISTRY

Separation Purification

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Synthesis process for high purity isosulfan blue using flash chroma...

Dodecyl sulfate-doped poly(3,4-ethylenedioxythiophene) film and man...

Process for filtering 2-acrylamido-2-methylpropane sulfonic acid

Process for preparation of Glycopyrrolate Tosylate

8-(4-chlorobenzylideneamino)naphthalene-1,3-disulfonic acid as an a...

8-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-1,3-disulfonic ac...

8-(4-methoxybenzylideneamino)naphthalene-1,3-disulfonic acid as an...

8-(2-hydroxybenzylideneamino)naphthalene-1,3-disulfonic acid as an...

Method for preparing taurine and method for recovering mother liquo...

Method for recycling taurine mother liquor

Process for producing alkali taurinate

Process for producing taurine

System and method for efficiently preparing taurine

Method for the purification of acrylamido-2-methyl-2-propanesulphon...

Sulfonated lignin-derived compounds and uses thereof

Method for preparing taurine

Method for removing SO3 and CH4 from mixtures which contain methane...

Polymorphic forms of Belinostat and processes for preparation thereof

Sulfonated lignin-derived compounds and uses thereof

Cyclic process for producing taurine from monoethanolamine

Cyclic process for producing taurine from monoethanolamine

Method and system for preparing high-purity taurine and salt

Method and system for removing impurities out of taurine mother liq...

Method and production system for fully recovering and treating taur...

Cyclic process for producing taurine from monoethanolamine

Process for the manufacturing of alkanesulfonic acids

Method for producing low molecular weight aromatic lignin-derived c...

Compound comprising certain level of bio-based carbon

Polymorphic forms of belinostat and processes for preparation thereof

Sulfonated aromatic compounds

Patents Applicationslast 30 patents

PHARMACEUTICALLY ACCEPTABLE SALT OF ELIGLUSTAT AND CRYSTAL FORM THE...

SYSTEM FOR PURIFICATION OF ACRYLAMIDO TERTIARY BUTYL SULFONIC ACID...

Sulfonated Lignin-Derived Compounds And Uses Thereof

QUINOLINE COMPOUND SALT OR CRYSTAL FORM, PREPARATION METHOD THEREFO...

PURIFICATION OF ALIPHATIC TAURATE AMIDE

HIGH-EFFICIENCY CYCLIC PREPARATION METHOD FOR COLUMNAR TAURINE

PROCESS FOR PRODUCING TAURINE

PROCESS FOR PRODUCING ALKALI TAURINATE

SYSTEM FOR SYSTEM FOR PREPARING HIGH-PURITY TAURINE AND SALT

METHOD FOR PRODUCING FLUORINATED ETHER COMPOUND

PROCESS SULFONATION OF AMINOETHYLENE SULFONIC ESTER WITH CARBON DIO...

SYSTEM FOR REMOVING IMPURITIES OUT OF TAURINE MOTHER LIQUOR AND TAU...

METHOD FOR PREPARING TAURINE AND METHOD FOR RECOVERING MOTHER LIQUO...

PROCESS FOR MANUFACTURING ALKANESULFONIC ACIDS

METHOD FOR REMOVING SO3 AND CH4 FROM MIXTURES WHICH CONTAIN METHANE...

METHOD FOR REMOVING SO3 AND CH4 FROM MIXTURES WHICH CONTAIN METHANE...

SYSTEM AND METHOD FOR EFFICIENTLY PREPARING TAURINE

METHOD FOR PREPARING TAURINE

RECOVERY OF WATER-FREE METHANESULFONIC ACID FROM THE BOTTOM STREAM...

METHOD FOR REDUCING THE CONCENTRATION OF SO3 IN A REACTION MIXTURE...

PROCESS FOR THE PRODUCTION OF ANHYDROUS METHANESULFONIC ACID FROM M...

Cyclic Process for Producing Taurine from Monoethanolamine

METHOD FOR THE PURIFICATION OF ACRYLAMIDO-2-METHYL-2-PROPANESULPHON...

Cyclic Process for Producing Taurine from Monoethanolamine

CATIONS AS CATALYST IN THE PRODUCTION OF ALKANE SULFONIC ACIDS

PROCESS FOR PREPARATION OF GLYCOPYRROLATE TOSYLATE

METHOD AND SYSTEM FOR PREPARING HIGH-PURITY TAURINE AND SALT

DODECYL SULFATE-DOPED POLY(3,4-ETHYLENEDIOXYTHIOPHENE) FILM AND MAN...

POLYMORPHIC FORMS OF BELINOSTAT AND PROCESSES FOR PREPARATION THEREOF

METHOD FOR PREPARING IMIDE SALTS CONTAINING A FLUOROSULFONYL GROUP