by azeotropic distillation

Industry

CPC
C07C37/78

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Parent Industries

CCHEMISTRY METALLURGY C07Organic chemistry C07CACYCLIC OR CARBOCYCLIC COMPOUNDS C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring

Current Industry

C07C37/78by azeotropic distillation

Industries

Patents Grantslast 30 patents

Information Patent Grant
Manufacturing and purification technology for high purity Propofol
- Patent number 11,767,281
- Issue date Sep 26, 2023
- Nandkumar Kashinath Chodankar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying phenol
- Patent number 11,084,771
- Issue date Aug 10, 2021
- LG Chem, Ltd.
- Hyun Nam
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying phenol
- Patent number 10,766,843
- Issue date Sep 8, 2020
- LG Chem, Ltd.
- Sung-Kyun Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for purifying phenol
- Patent number 10,532,968
- Issue date Jan 14, 2020
- LG Chem, Ltd.
- Si Nae Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Dehydration method
- Patent number 8,257,557
- Issue date Sep 4, 2012
- Sumitomo Chemical Company, Limited
- Tateo Seo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of phenol and biphenols
- Patent number 6,680,413
- Issue date Jan 20, 2004
- Polimeri Europa S.p.A.
- Rossella Bortolo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Distillation process for recovery of high purity phenol
- Patent number 5,064,507
- Issue date Nov 12, 1991
- Allied-Signal Inc.
- Michael S. O'Donnell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenol purification
- Patent number 4,857,151
- Issue date Aug 15, 1989
- The Lummus Company
- George D. Suciu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purifying trimethylphenol by azeotropic distillation
- Patent number 4,585,525
- Issue date Apr 29, 1986
- Union Carbide Corporation
- Richard C. Grimm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of high purity phenol by distillation with steam and a s...
- Patent number 4,532,012
- Issue date Jul 30, 1985
- The Lummus Company
- Ali M. Khonsari
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azeotropic recovery of BPA and phenol from aqueous effluent streams
- Patent number 4,469,561
- Issue date Sep 4, 1984
- General Electric Company
- Subhas K. Sikdar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separation of alkyl phenols by azeotropic distillation
- Patent number 4,349,419
- Issue date Sep 14, 1982
- Mitsui Petrochemical Industries Ltd.
- Kazunori Takahata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating off phenol from a mixture thereof with a cresol
- Patent number 4,325,789
- Issue date Apr 20, 1982
- Bayer Aktiengesellschaft
- Alfredo Wust
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for isolating and recovering meta- and para-cresols from cr...
- Patent number 4,323,432
- Issue date Apr 6, 1982
- Mitsui Petrochemical Industries, Ltd.
- Yoshitaka Ohtani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making alkali metal bisphenoxide salts and bisimides der...
- Patent number 4,302,616
- Issue date Nov 24, 1981
- General Electric Company
- Frank J. Williams
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making bisphenoxide salts and bisimides derived therefrom
- Patent number 4,257,953
- Issue date Mar 24, 1981
- General Electric Company
- Frank J. Williams
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering phenol from aqueous phenolic mixtures
- Patent number 4,160,111
- Issue date Jul 3, 1979
- Chevron Research Company
- David F. Strahorn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3830708
- Patent number 3,830,708
- Issue date Aug 20, 1974
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3655522
- Patent number 3,655,522
- Issue date Apr 11, 1972
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3655523
- Patent number 3,655,523
- Issue date Apr 11, 1972
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3483094
- Patent number 3,483,094
- Issue date Dec 9, 1969
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3397124
- Patent number 3,397,124
- Issue date Aug 13, 1968
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3392090
- Patent number 3,392,090
- Issue date Jul 9, 1968
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3382287
- Patent number 3,382,287
- Issue date May 7, 1968
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3337424
- Patent number 3,337,424
- Issue date Aug 22, 1967
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3303223
- Patent number 3,303,223
- Issue date Feb 7, 1967
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3281336
- Patent number 3,281,336
- Issue date Oct 25, 1966
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3169996
- Patent number 3,169,996
- Issue date Feb 16, 1965
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3125496
- Patent number 3,125,496
- Issue date Mar 17, 1964
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3031383
- Patent number 3,031,383
- Issue date Apr 24, 1962
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING AND PURIFICATION TECHNOLOGY FOR HIGH PURITY PROPOFOL
- Publication number 20230159420
- Publication date May 25, 2023
- NANDKUMAR KASHINATH CHODANKAR
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING PHENOL
- Publication number 20210198170
- Publication date Jul 1, 2021
- LG CHEM, LTD.
- Hyun NAM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING PHENOL
- Publication number 20200079716
- Publication date Mar 12, 2020
- LG CHEM, LTD.
- Sung-Kyun KIM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PURIFYING PHENOL
- Publication number 20190023634
- Publication date Jan 24, 2019
- LG CHEM, LTD.
- Si Nae LEE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DEHYDRATION METHOD
- Publication number 20090159422
- Publication date Jun 25, 2009
- Sumitomo Chemical Company, Limited
- Tateo Seo
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE RECOVERY OF PHENOL AND BIPHENOLS
- Publication number 20030221948
- Publication date Dec 4, 2003
- POLIMERI EUROPA S.p.A.
- Rossella Bortolo
- C07 - ORGANIC CHEMISTRY

by azeotropic distillation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Manufacturing and purification technology for high purity Propofol

Method for purifying phenol

Method for purifying phenol

Method for purifying phenol

Dehydration method

Process for the recovery of phenol and biphenols

Distillation process for recovery of high purity phenol

Phenol purification

Purifying trimethylphenol by azeotropic distillation

Production of high purity phenol by distillation with steam and a s...

Azeotropic recovery of BPA and phenol from aqueous effluent streams

Process for separation of alkyl phenols by azeotropic distillation

Process for separating off phenol from a mixture thereof with a cresol

Process for isolating and recovering meta- and para-cresols from cr...

Method for making alkali metal bisphenoxide salts and bisimides der...

Method for making bisphenoxide salts and bisimides derived therefrom

Process for recovering phenol from aqueous phenolic mixtures

3830708

3655522

3655523

3483094

3397124

3392090

3382287

3337424

3303223

3281336

3169996

3125496

3031383

Patents Applicationslast 30 patents

MANUFACTURING AND PURIFICATION TECHNOLOGY FOR HIGH PURITY PROPOFOL

METHOD FOR PURIFYING PHENOL

METHOD FOR PURIFYING PHENOL

METHOD FOR PURIFYING PHENOL

DEHYDRATION METHOD

PROCESS FOR THE RECOVERY OF PHENOL AND BIPHENOLS