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Inventor
ZUBA VALENTINE T
US
2 patents
⚠️ This page may combine multiple inventors who share the name “ZUBA VALENTINE T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PETRARCH SYSTEMS INC
1 patent
US4822722A
Apr 18, 1989
Process of using high contrast photoresist developer with enhanced sensitivity to form positive resist image
PETRARCH SYSTEMS INC
9 citations
70
PAONESSA MARTIN A
1 patent
US8148533B2
Apr 3, 2012
Ionic liquids of heterocyclic amines
PAONESSA MARTIN A
3 citations
49