Inventor
KEYWORTH DONALD A
16 patents
⚠️ This page may combine multiple inventors who share the name “KEYWORTH DONALD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TENNECO CHEM
11 patentsUS4181536AJan 1, 1980
Process for the cleaning of fouled heat exchangers and other equipment
TENNECO CHEM10 citations72
US3960910AJun 1, 1976
Process for the purification of gas streams
TENNECO CHEM11 citations72
US4191588AMar 4, 1980
Method of cleaning fouled heat exchangers and other equipment
TENNECO CHEM3 citations61
US4153452AMay 8, 1979
Recovery of metals from bimetallic salt complexes
TENNECO CHEM3 citations61
US4153669AMay 8, 1979
Removal of metals from waste materials that contain bimetallic salt complexes
TENNECO CHEM3 citations61
US4014950AMar 29, 1977
Process for the purification of liquid sorbents comprising bimetallic salt complexes
TENNECO CHEM5 citations61
US3983216ASep 28, 1976
Process for the removal of vinyl chloride from gas streams
TENNECO CHEM3 citations61
US3981806ASep 21, 1976
Flame-retardant emulsion containing 1,1,2,3,4,4-hexabromobutene-2
TENNECO CHEM3 citations61
US4277567AJul 7, 1981
Flame-retardant vinyl aromatic polymer compositions
TENNECO CHEM4 citations57
US4104146AAug 1, 1978
Process for the purification of gas streams
TENNECO CHEM1 citations50
US4097451AJun 27, 1978
Flame-retardant resinous compositions
TENNECO CHEM0 citations50
TENNECO OIL CO
3 patentsUS4816139AMar 28, 1989
Method for removing sulfur compounds from C6 and lower alkanes
TENNECO OIL CO7 citations72
US4579990AApr 1, 1986
Process for the oligomerization of propylene
TENNECO OIL CO11 citations72
US4571439AFeb 18, 1986
Method for controlled oligomerization/etherification of propylene
TENNECO OIL CO14 citations72