Inventor
POWERS JOHN A
US6 patents
⚠️ This page may combine multiple inventors who share the name “POWERS JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GTE PROD CORP
5 patentsUS4882131ANov 21, 1989
Process for recovering tungsten from organic solutions
GTE PROD CORP7 citations72
US4599223AJul 8, 1986
Separation of tungsten from rhenium
GTE PROD CORP11 citations72
US4557923ADec 10, 1985
Method for producing ammonium metatungstate from ammonium paratungstate
GTE PROD CORP11 citations72
US4961910AOct 9, 1990
Recovery of tungsten and molybdenum
GTE PROD CORP2 citations61
US4298485ANov 3, 1981
Process of preparing lubricating oil additive containing tungsten
GTE PROD CORP5 citations61