Inventor · disambiguated record
Rita K. Upmacis
Also filed as: UPMACIS RITA K · UPMACIS RITA KARINA
8 granted patents·96 citations·filing 1991–1996
87Inventor score
Technology areasC07C
Files withROHM & HAAS7
Top patents by PatentIndex Score
8 records- 0179US5759358AProcess for pure grade acrylic acidROHM & HAAS·Filed 1995·Granted Jun 2, 1998·24 cites·6 claims
- 0279US5571386AProcess for grade acrylic acidROHM & HAAS·Filed 1994·Granted Nov 5, 1996·16 cites·8 claims
- 0378US5746892AProcess for pure grade acrylic acidROHM & HAAS·Filed 1996·Granted May 5, 1998·18 cites·5 claims
- 0473US5488141ARemoval of carbonyl impurities from αβ unsaturated carboxylic acid estersROHM & HAAS·Filed 1994·Granted Jan 30, 1996·12 cites·12 claims
- 0569US5523480AProcess for purifying unsaturated carboxylic acids using distillation and melt crystallizationROHM & HAAS·Filed 1994·Granted Jun 4, 1996·11 cites·15 claims
- 0658US5468899AProcess for purifying α,β-unsaturated estersFiled 1995·Granted Nov 21, 1995·7 cites·10 claims
- 0758US5292920ASalts of N-nitrosophenylhydroxylamineROHM & HAAS·Filed 1993·Granted Mar 8, 1994·5 cites·15 claims
- 0849US5262569ASalts of N-nitrosophenylhydroxylamineROHM & HAAS·Filed 1991·Granted Nov 16, 1993·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →