Assignee
ATHENS CORP
US·11 granted patents·408 citations·filing 1986–1996
Top patents by PatentIndex Score
11 records- 0192US4952386AMethod and apparatus for purifying hydrogen fluorideATHENS CORP·Filed 1988·Granted Aug 28, 1990·93 cites·20 claims
- 0287US5354428AApparatus for the continuous on-site chemical reprocessing of ultrapure liquidsATHENS CORP·Filed 1989·Granted Oct 11, 1994·62 cites·18 claims
- 0383US4828660AMethod and apparatus for the continuous on-site chemical reprocessing of ultrapure liquidsATHENS CORP·Filed 1986·Granted May 9, 1989·53 cites·35 claims
- 0482US5164049AMethod for making ultrapure sulfuric acidATHENS CORP·Filed 1990·Granted Nov 17, 1992·59 cites·29 claims
- 0573US5868906ADehydration and purification of isopropyl alcohol to an ultradry and ultrapure levelATHENS CORP·Filed 1996·Granted Feb 9, 1999·44 cites·7 claims
- 0672US5500096AMethod of concentrating less volatile liquidsATHENS CORP·Filed 1995·Granted Mar 19, 1996·36 cites·10 claims
- 0759US5236555AApparatus for concentration of liquidsATHENS CORP·Filed 1991·Granted Aug 17, 1993·23 cites·24 claims
- 0845US5500095AHigh efficiency chemical processingATHENS CORP·Filed 1994·Granted Mar 19, 1996·13 cites·6 claims
- 0944US5225048AMethod for concentration of liquidsATHENS CORP·Filed 1991·Granted Jul 6, 1993·12 cites·35 claims
- 1037US5443695ADistillation apparatus for concentrating less volatile liquidsATHENS CORP·Filed 1993·Granted Aug 22, 1995·5 cites·35 claims
- 1134US5018855AAtomic absorption process monitoringATHENS CORP·Filed 1988·Granted May 28, 1991·8 cites·23 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →