Inventor · disambiguated record
Randi W. Wytcherley
Also filed as: WYTCHERLEY RANDI · WYTCHERLEY RANDI W · WYTCHERLEY RANDI WRIGHT
20 granted patents·1 pending application·245 citations·filing 1992–2023
94Inventor score
Top patents by PatentIndex Score
21 records- 0194US5929274AMethod to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acidHFM INT INC·Filed 1998·Granted Jul 27, 1999·73 cites·42 claims
- 0292US6054610AMethod and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenesHFM INT INC·Filed 1998·Granted Apr 25, 2000·60 cites·22 claims
- 0382US12077497B2Process and apparatus for preparing purified styrene composition from styrene containing feedstockSULZER MANAGEMENT AG·Filed 2023·Granted Sep 3, 2024·0 cites·6 claims
- 0479US5849982ARecovery of styrene from pyrolysis gasoline by extractive distillationHFM INT INC·Filed 1997·Granted Dec 15, 1998·52 cites·16 claims
- 0573US7307188B2Purification of carboxylic acids by complexation with selective solventsGTC TECHNOLOGY INC·Filed 2005·Granted Dec 11, 2007·4 cites·23 claims
- 0673US6551502B1Process of removing sulfur compounds from gasolineGTC TECHNOLOGY CORP·Filed 2000·Granted Apr 22, 2003·26 cites·19 claims
- 0772US11891358B2Process and apparatus for preparing purified styrene composition from styrene containing feedstockSULZER MANAGEMENT AG·Filed 2021·Granted Feb 6, 2024·0 cites·11 claims
- 0871US11919853B2Process and apparatus for preparing purified styrene composition from styrene containing feedstockSULZER MANAGEMENT AG·Filed 2021·Granted Mar 5, 2024·0 cites·12 claims
- 0954US6140534AMethod for purifying isophthalic acid prepared from metaxyleneHFM INT INC·Filed 1999·Granted Oct 31, 2000·5 cites·25 claims
- 1052US5262015ASeparation of octene-1 from its isomers by azeotropic and extractive distillationBERG LLOYD·Filed 1993·Granted Nov 16, 1993·4 cites·2 claims
- 1148US5250157ASeparation of toluene from methyl isobutyl ketone by azeotropic distillationBERG LLOYD·Filed 1993·Granted Oct 5, 1993·3 cites·2 claims
- 1247US5393385ASeparation of hexane from vinyl acetate and methyl acrylate by extractive distillationBERG LLOYD·Filed 1994·Granted Feb 28, 1995·3 cites·1 claims
- 1347US5227029ASeparation of formic acid from acetic acid by extractive distillationBERG LLOYD·Filed 1993·Granted Jul 13, 1993·3 cites·1 claims
- 1443US5264086ASeparation of formic acid from acetic acid by azeotropic distillationBERG LLOYD·Filed 1993·Granted Nov 23, 1993·2 cites·1 claims
- 1542US5225050ASeparation of N-hexane from vinyl acetate by extractive distillationBERG LLOYD·Filed 1992·Granted Jul 6, 1993·2 cites·1 claims
- 1640US6982234B2Methods and apparatus for removing catalyst from oxidation reactor effluentGTC TECHNOLOGY INC·Filed 2002·Granted Jan 3, 2006·0 cites·11 claims
- 1739US5256259ASeparation of hexane from vinyl acetate by azeotropic distillationBERG LLOYD·Filed 1993·Granted Oct 26, 1993·6 cites·2 claims
- 1837US5236559ASeparation of hexane from vinyl acetate and methyl acrylate by extractive distillationBERG LLOYD·Filed 1993·Granted Aug 17, 1993·1 cites·1 claims
- 1935US2002045534A1Methods and apparatus for removing catalyst from oxidation reactor effluentFiled 2001·Application pending·0 cites
- 2031US8361312B2Methods for removal of colored- and sulfur-containing impurities from hydrocarbon streamsGTC TECHNOLOGY LP·Filed 2010·Granted Jan 29, 2013·0 cites·18 claims
- 2131US5240567ASeparation of vinyl acetate from methyl acrylate by extractive distillationBERG LLOYD·Filed 1993·Granted Aug 31, 1993·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →