Steve C. LeViness

Person

Baton Rouge, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Slurry hydrocarbon synthesis process with increased catalyst life
- Patent number 6,284,807
- Issue date Sep 4, 2001
- Exxon Research and Engineering Company
- Stephen C. Leviness
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Multizone downcomer for slurry hydrocarbon synthesis process
- Patent number 6,270,734
- Issue date Aug 7, 2001
- Exxon Research and Engineering Company
- Stephen Claude Leviness
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyanide and ammonia removal from synthesis gas
- Patent number 6,107,353
- Issue date Aug 22, 2000
- Exxon Research and Engineering Company
- Russell J. Koveal
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Slurry hydrocarbon synthesis with cyclic co purge and catalyst reju...
- Patent number 6,066,679
- Issue date May 23, 2000
- Exxon Research and Engineering Company
- Stephen C. Leviness
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrocarbon synthesis catalyst slurry rejuvenation with gas disenga...
- Patent number 5,973,012
- Issue date Oct 26, 1999
- Exxon Research and Engineering Co.
- William C. Behrmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multizone downcomer for slurry hydrocarbon syntheses process
- Patent number 5,962,537
- Issue date Oct 5, 1999
- Exxon Research and Engineering Co.
- Stephen Claude Leviness
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrocarbon synthesis using reactor tail gas for catalyst rejuvenation
- Patent number 5,844,005
- Issue date Dec 1, 1998
- Exxon Research and Engineering Company
- Richard F. Bauman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrocarbon synthesis catalyst slurry rejuvenation with gas disenga...
- Patent number 5,817,702
- Issue date Oct 6, 1998
- Exxon Research and Engineering Company
- William C. Behrmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Slurry hydrocarbon synthesis with cyclic CO purge and catalyst reju...
- Patent number 5,817,701
- Issue date Oct 6, 1998
- Exxon Research and Engineering Company
- Stephen C. Leviness
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Slurry hydrocarbon synthesis with downcomer fed product filtration...
- Patent number 5,811,469
- Issue date Sep 22, 1998
- Exxon Research and Engineering Company
- Stephen C. Leviness
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst rejuvenation in hydrocarbon synthesis slurry with reduced...
- Patent number 5,811,363
- Issue date Sep 22, 1998
- Exxon Research and Engineering Company
- Stephen C. Leviness
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Liquefaction process
- Patent number 5,338,441
- Issue date Aug 16, 1994
- Exxon Research and Engineering Company
- Steve C. LeViness
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Temperature control in draft tubes for catalyst rejuvenation
- Patent number 5,288,673
- Issue date Feb 22, 1994
- Exxon Research and Engineering Company
- William C. Behrmann
- C07 - ORGANIC CHEMISTRY

Steve C. LeViness

Person

Patents Grantslast 30 patents

Slurry hydrocarbon synthesis process with increased catalyst life

Multizone downcomer for slurry hydrocarbon synthesis process

Cyanide and ammonia removal from synthesis gas

Slurry hydrocarbon synthesis with cyclic co purge and catalyst reju...

Hydrocarbon synthesis catalyst slurry rejuvenation with gas disenga...

Multizone downcomer for slurry hydrocarbon syntheses process

Hydrocarbon synthesis using reactor tail gas for catalyst rejuvenation

Hydrocarbon synthesis catalyst slurry rejuvenation with gas disenga...

Slurry hydrocarbon synthesis with cyclic CO purge and catalyst reju...

Slurry hydrocarbon synthesis with downcomer fed product filtration...

Catalyst rejuvenation in hydrocarbon synthesis slurry with reduced...

Liquefaction process

Temperature control in draft tubes for catalyst rejuvenation