Inventor

PERSICHINI DAVID W

US5 patents

⚠️ This page may combine multiple inventors who share the name “PERSICHINI DAVID W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ATHENS CORP

3 patents

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

US4828660AMay 9, 1989

Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids

ATHENS CORP53 citations91

IPEC CLEAN INC

1 patent

US5876685AMar 2, 1999

Separation and purification of fluoride from industrial wastes

IPEC CLEAN INC88 citations92

ATHENS INC

1 patent

US4855023AAug 8, 1989

Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids used in semiconductor wafer cleaning

ATHENS INC45 citations88