Clarence D. Chang

Person

Princeton, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hydroalkylation of aromatic hydrocarbons
- Patent number 6,730,625
- Issue date May 4, 2004
- ExxonMobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Zeolite catalysts having stabilized hydrogenation-dehydrogenation f...
- Patent number 6,541,408
- Issue date Apr 1, 2003
- ExxonMobil Oil Corp.
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for converting alkanes to oxygenates
- Patent number 6,538,162
- Issue date Mar 25, 2003
- ExxonMobil Chemical Patents Inc.
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for co-production of dialkyl carbonate and alkanediol
- Patent number 6,365,767
- Issue date Apr 2, 2002
- ExxonMobil Chemical Patents Inc.
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Zeolite catalysts having stabilized hydrogenation-dehydrogenation f...
- Patent number 6,346,498
- Issue date Feb 12, 2002
- ExxonMobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for co-production of dialkyl carbonate and alkanediol
- Patent number 6,342,623
- Issue date Jan 29, 2002
- ExxonMobil Chemical Patents Inc.
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of nitrous oxide
- Patent number 6,312,657
- Issue date Nov 6, 2001
- ExxonMobil Oil Corporation
- Clarence D. Chang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for separating methane from natural gas using bisglycoluril...
- Patent number 6,290,755
- Issue date Sep 18, 2001
- ExxonMobil Oil Corporation
- Clarence D. Chang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing alkylene carbonates
- Patent number 6,258,962
- Issue date Jul 10, 2001
- Mobil Oil Corp.
- J. Scott Buchanan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for hydrocracking cycle oil
- Patent number 6,224,748
- Issue date May 1, 2001
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for selective wax hydrocracking
- Patent number 6,217,747
- Issue date Apr 17, 2001
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for co-production of dialkyl carbonate and alkanediol
- Patent number 6,166,240
- Issue date Dec 26, 2000
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acid catalyst composition
- Patent number 6,162,757
- Issue date Dec 19, 2000
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for co-production of dialkyl carbonate and alkanediol
- Patent number 6,162,940
- Issue date Dec 19, 2000
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing an acidic solid oxide
- Patent number 6,124,232
- Issue date Sep 26, 2000
- Mobil Oil Corporation
- Clarence D. Chang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Olefin epoxidation catalysts
- Patent number 6,114,551
- Issue date Sep 5, 2000
- Mobil Oil Corporation
- Doron Levin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for separating methane from natural gas using bisglycoluril...
- Patent number 6,106,594
- Issue date Aug 22, 2000
- Mobil Oil Corporation
- Clarence D. Chang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Isomerization process
- Patent number 6,080,904
- Issue date Jun 27, 2000
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydroalkylation of aromatic hydrocarbons
- Patent number 6,037,513
- Issue date Mar 14, 2000
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing organic carbonates
- Patent number 6,008,399
- Issue date Dec 28, 1999
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for naphtha hydrocracking
- Patent number 5,993,643
- Issue date Nov 30, 1999
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst comprising ZSM-5, rhenium and a selectivating agent
- Patent number 5,990,365
- Issue date Nov 23, 1999
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst having an acidic solid oxide component and a group IB meta...
- Patent number 5,902,767
- Issue date May 11, 1999
- Mobil Oil Corporation
- Charles Theodore Kresge
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing a modified solid oxide
- Patent number 5,854,170
- Issue date Dec 29, 1998
- Mobil Oil Corporation
- Clarence D. Chang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Selective monomethylation of aromatics with dimethylcarbonate
- Patent number 5,804,690
- Issue date Sep 8, 1998
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing a modified solid oxide
- Patent number 5,780,382
- Issue date Jul 14, 1998
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing low aromatic diesel fuel with high cetane index
- Patent number 5,780,703
- Issue date Jul 14, 1998
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparation of ex situ selectivated zeolite catalysts for...
- Patent number 5,726,114
- Issue date Mar 10, 1998
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst comprising a modified solid oxide
- Patent number 5,719,097
- Issue date Feb 17, 1998
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Regioselective methylation of toluene to para-xylene
- Patent number 5,607,888
- Issue date Mar 4, 1997
- Mobil Oil Corporation
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for converting alkanes to oxygenates
- Publication number 20020103402
- Publication date Aug 1, 2002
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Zeolite catalysts having stabilized hydrogenation-dehydrogenation f...
- Publication number 20020091293
- Publication date Jul 11, 2002
- Clarence D. Chang
- C07 - ORGANIC CHEMISTRY

Clarence D. Chang

Person

Patents Grantslast 30 patents

Hydroalkylation of aromatic hydrocarbons

Zeolite catalysts having stabilized hydrogenation-dehydrogenation f...

Method for converting alkanes to oxygenates

Process for co-production of dialkyl carbonate and alkanediol

Zeolite catalysts having stabilized hydrogenation-dehydrogenation f...

Process for co-production of dialkyl carbonate and alkanediol

Production of nitrous oxide

Method for separating methane from natural gas using bisglycoluril...

Process for producing alkylene carbonates

Process for hydrocracking cycle oil

Process for selective wax hydrocracking

Process for co-production of dialkyl carbonate and alkanediol

Acid catalyst composition

Process for co-production of dialkyl carbonate and alkanediol

Method for preparing an acidic solid oxide

Olefin epoxidation catalysts

Method for separating methane from natural gas using bisglycoluril...

Isomerization process

Hydroalkylation of aromatic hydrocarbons

Process for preparing organic carbonates

Process for naphtha hydrocracking

Catalyst comprising ZSM-5, rhenium and a selectivating agent

Catalyst having an acidic solid oxide component and a group IB meta...

Method for preparing a modified solid oxide

Selective monomethylation of aromatics with dimethylcarbonate

Method for preparing a modified solid oxide

Process for producing low aromatic diesel fuel with high cetane index

Method of preparation of ex situ selectivated zeolite catalysts for...

Catalyst comprising a modified solid oxide

Regioselective methylation of toluene to para-xylene

Patents Applicationslast 30 patents

Method for converting alkanes to oxygenates

Zeolite catalysts having stabilized hydrogenation-dehydrogenation f...