Assignee
PURUSAR CORP
US·3 granted patents·171 citations·filing 1985–1987
Top patents by PatentIndex Score
3 records- 0186US4695327ASurface treatment to remove impurities in microrecessesPURUSAR CORP·Filed 1985·Granted Sep 22, 1987·89 cites·10 claims
- 0278US4778536ASulfur trioxide vapor phase strippingPURUSAR CORP·Filed 1987·Granted Oct 18, 1988·52 cites·9 claims
- 0364US4867799AAmmonium vapor phase stripping of wafersPURUSAR CORP·Filed 1987·Granted Sep 19, 1989·30 cites·8 claims
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