Assignee
ATHENS CORP
US11 patents
Top patents by PatentIndex Score
US5354428AOct 11, 1994
Apparatus for the continuous on-site chemical reprocessing of ultrapure liquids
ATHENS CORP62 citations94
US5164049ANov 17, 1992
Method for making ultrapure sulfuric acid
ATHENS CORP59 citations94
US5500096AMar 19, 1996
Method of concentrating less volatile liquids
ATHENS CORP36 citations91
US5236555AAug 17, 1993
Apparatus for concentration of liquids
ATHENS CORP23 citations91
US4828660AMay 9, 1989
Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids
ATHENS CORP53 citations91
US4952386AAug 28, 1990
Method and apparatus for purifying hydrogen fluoride
ATHENS CORP93 citations90
US5868906AFeb 9, 1999
Dehydration and purification of isopropyl alcohol to an ultradry and ultrapure level
ATHENS CORP44 citations87
US5225048AJul 6, 1993
Method for concentration of liquids
ATHENS CORP12 citations72
US5018855AMay 28, 1991
Atomic absorption process monitoring
ATHENS CORP8 citations68
US5500095AMar 19, 1996
High efficiency chemical processing
ATHENS CORP13 citations66
US5443695AAug 22, 1995
Distillation apparatus for concentrating less volatile liquids
ATHENS CORP5 citations61