Donald A. Keyworth

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for removing sulfur compounds from C.sub.6 and lower alkanes
- Patent number 4,816,139
- Issue date Mar 28, 1989
- Tenneco Oil Company
- Donald A. Keyworth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the oligomerization of propylene
- Patent number 4,579,990
- Issue date Apr 1, 1986
- Tenneco Oil Company
- Donald A. Keyworth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for controlled oligomerization/etherification of propylene
- Patent number 4,571,439
- Issue date Feb 18, 1986
- Tenneco Oil Company
- Donald A. Keyworth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of isobutene from methyl tertiary butyl ether
- Patent number 4,570,026
- Issue date Feb 11, 1986
- Petro-Tex Chemical Corporation
- Donald A. Keyworth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of polymer gasoline
- Patent number 4,540,839
- Issue date Sep 10, 1985
- Petro-Tex Chemical Corporation
- Donald A. Keyworth
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Flame-retardant vinyl aromatic polymer compositions
- Patent number 4,277,567
- Issue date Jul 7, 1981
- Tenneco Chemicals, Inc.
- Donald A. Keyworth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of cleaning fouled heat exchangers and other equipment
- Patent number 4,191,588
- Issue date Mar 4, 1980
- Tenneco Chemicals, Inc.
- Donald A. Keyworth
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Process for the cleaning of fouled heat exchangers and other equipment
- Patent number 4,181,536
- Issue date Jan 1, 1980
- Tenneco Chemicals, Inc.
- Donald A. Keyworth
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Recovery of metals from bimetallic salt complexes
- Patent number 4,153,452
- Issue date May 8, 1979
- Tenneco Chemicals, Inc.
- Donald A. Keyworth
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of metals from waste materials that contain bimetallic salt...
- Patent number 4,153,669
- Issue date May 8, 1979
- Tenneco Chemicals, Inc.
- Donald A. Keyworth
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the purification of gas streams
- Patent number 4,104,146
- Issue date Aug 1, 1978
- Tenneco Chemicals, Inc.
- Jerome R. Sudduth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Flame-retardant resinous compositions
- Patent number 4,097,451
- Issue date Jun 27, 1978
- Tenneco Chemicals, Inc.
- Donald A. Keyworth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the purification of liquid sorbents comprising bimetall...
- Patent number 4,014,950
- Issue date Mar 29, 1977
- Tenneco Chemicals, Inc.
- Donald A. Keyworth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the removal of vinyl chloride from gas streams
- Patent number 3,983,216
- Issue date Sep 28, 1976
- Tenneco Chemicals, Inc.
- Jerome R. Sudduth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Flame-retardant emulsion containing 1,1,2,3,4,4-hexabromobutene-2
- Patent number 3,981,806
- Issue date Sep 21, 1976
- Tenneco Chemicals, Inc.
- Eugene P. Di Bella
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the purification of gas streams
- Patent number 3,960,910
- Issue date Jun 1, 1976
- Tenneco Chemicals, Inc.
- Jerome R. Sudduth
- C07 - ORGANIC CHEMISTRY

Donald A. Keyworth

Person

Patents Grantslast 30 patents

Method for removing sulfur compounds from C.sub.6 and lower alkanes

Process for the oligomerization of propylene

Method for controlled oligomerization/etherification of propylene

Production of isobutene from methyl tertiary butyl ether

Process for the production of polymer gasoline

Flame-retardant vinyl aromatic polymer compositions

Method of cleaning fouled heat exchangers and other equipment

Process for the cleaning of fouled heat exchangers and other equipment

Recovery of metals from bimetallic salt complexes

Removal of metals from waste materials that contain bimetallic salt...

Process for the purification of gas streams

Flame-retardant resinous compositions

Process for the purification of liquid sorbents comprising bimetall...

Process for the removal of vinyl chloride from gas streams

Flame-retardant emulsion containing 1,1,2,3,4,4-hexabromobutene-2

Process for the purification of gas streams