Douglas G. Ryan

Person

Livingston, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Removing haze from dewaxed hydrocarbon oil mixture boiling in the l...
- Patent number 4,904,367
- Issue date Feb 27, 1990
- Exxon Research and Engineering Company
- Douglas G. Ryan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for removing haze from dewaxed hydrocarbon oil mixture boil...
- Patent number 4,820,400
- Issue date Apr 11, 1989
- Exxon Research and Engineering Company
- Douglas G. Ryan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Removing haze from hydrocarbon oil mixture boiling in the lubricati...
- Patent number 4,702,817
- Issue date Oct 27, 1987
- Exxon Research and Engineering Company
- Douglas G. Ryan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for centrifugal separation of dispersed phase...
- Patent number 4,629,546
- Issue date Dec 16, 1986
- Exxon Research and Engineering Company
- Douglas G. Ryan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Separating wax from hydrocarbon mixture boiling in the lubricating...
- Patent number 4,627,901
- Issue date Dec 9, 1986
- Exxon Research and Engineering Company
- Douglas G. Ryan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for separating wax/water from hydrocarbon oil...
- Patent number 4,622,118
- Issue date Nov 11, 1986
- Exxon Research and Engineering Company
- Robert J. L. Chimenti
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Used oil re-refining
- Patent number 4,512,878
- Issue date Apr 23, 1985
- Exxon Research and Engineering Co.
- Lloyd E. Reid
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Removal of corrodants from NMP solvent by contacting with sacrifici...
- Patent number 4,490,240
- Issue date Dec 25, 1984
- Exxon Research and Engineering Co.
- Roy V. Comeaux
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Rotary drum filter
- Patent number 4,346,008
- Issue date Aug 24, 1982
- Exxon Research and Engineering Co.
- Milton D. Leighton
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Mechanically agitated liquid-vapor contacting apparatus
- Patent number 4,314,886
- Issue date Feb 9, 1982
- Exxon Research and Engineering Co.
- Douglas G. Ryan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rotary drum filter
- Patent number 4,309,288
- Issue date Jan 5, 1982
- Exxon Research and Engineering Co.
- Douglas G. Ryan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Continuous autorefrigerative dewaxing process and apparatus
- Patent number 4,217,203
- Issue date Aug 12, 1980
- Exxon Research and Engineering Co.
- Douglas G. Ryan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Combination dewaxing process
- Patent number 4,216,075
- Issue date Aug 5, 1980
- Douglas G. Ryan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Deasphalting process
- Patent number 3,975,396
- Issue date Aug 17, 1976
- Exxon Research and Engineering Company
- James D. Bushnell
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Douglas G. Ryan

Person

Patents Grantslast 30 patents

Removing haze from dewaxed hydrocarbon oil mixture boiling in the l...

Process for removing haze from dewaxed hydrocarbon oil mixture boil...

Removing haze from hydrocarbon oil mixture boiling in the lubricati...

Method and apparatus for centrifugal separation of dispersed phase...

Separating wax from hydrocarbon mixture boiling in the lubricating...

Method and apparatus for separating wax/water from hydrocarbon oil...

Used oil re-refining

Removal of corrodants from NMP solvent by contacting with sacrifici...

Rotary drum filter

Mechanically agitated liquid-vapor contacting apparatus

Rotary drum filter

Continuous autorefrigerative dewaxing process and apparatus

Combination dewaxing process

Deasphalting process