Inventor · disambiguated record
Richard Barchas
Also filed as: BARCHAS RICHARD · BARCHAS RICHARD K
6 granted patents·156 citations·filing 1977–1999
85Inventor score
Top patents by PatentIndex Score
6 records- 0187US5082481AMembrane separation process for cracked gasesLUMMUS CREST INC·Filed 1990·Granted Jan 21, 1992·54 cites·15 claims
- 0274US6395952B1Chemical absorption process for recovering olefins from cracked gasesSTONE & WEBSTER PROCESS TECH·Filed 1996·Granted May 28, 2002·43 cites·23 claims
- 0368US5859304AChemical absorption process for recovering olefins from cracked gasesSTONE & WEBSTER ENG CORP·Filed 1996·Granted Jan 12, 1999·33 cites·19 claims
- 0463US4134910ARecovery of isophthalonitrileLUMMUS CO·Filed 1977·Granted Jan 16, 1979·7 cites·7 claims
- 0563US4116999ARecovery of terephthalonitrileLUMMUS CO·Filed 1977·Granted Sep 26, 1978·6 cites·9 claims
- 0644US6297414B1Deep selective hydrogenation processSTONE & WEBSTER PROCESS TECH·Filed 1999·Granted Oct 2, 2001·13 cites·40 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →