Inventor
DOUGLAS ALAN D
US11 patents
Patents
11 patentsUS4521381AJun 4, 1985
Recovery of rhenium
GTE PROD CORP36 citations92
US4557906ADec 10, 1985
Recovery of rhenium
GTE PROD CORP35 citations90
US4604265AAug 5, 1986
Recovery of tungsten and rhenium
GTE PROD CORP21 citations80
US4603043AJul 29, 1986
Controllable nitrate fusion
GTE PROD CORP21 citations80
US4599222AJul 8, 1986
Recovery of tungsten and rhenium
GTE PROD CORP12 citations73
US4584185AApr 22, 1986
Recovery of tungsten and rhenium
GTE PROD CORP10 citations73
US4599223AJul 8, 1986
Separation of tungsten from rhenium
GTE PROD CORP11 citations72
US4604278AAug 5, 1986
Production of ammonium tetrathiomolybdate
GTE PROD CORP19 citations71
US4816069AMar 28, 1989
Method for converting cobalt to cobalt metal powder
GTE PROD CORP4 citations62
US4889703ADec 26, 1989
Process for producing tungstosilicic acid
GTE PROD CORP2 citations60
US4759915AJul 26, 1988
Process for extracting tungsten from alkali metal tungstate solutions
GTE PROD CORP0 citations41