RW

Randi W. Wytcherley

UN Unknown: 9 patents #1,046 of 83,584Top 2%
GL Gtc Technology Lp: 4 patents #2 of 13Top 20%
HI Hfm International: 4 patents #3 of 8Top 40%
SA Sulzer Management Ag: 3 patents #30 of 185Top 20%
Overall (All Time): #217,142 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12077497 Process and apparatus for preparing purified styrene composition from styrene containing feedstock Rahul Khandelwal, Joseph C. Gentry, Kimberly Anderson, Meta Naulita-Ellis, Claudia Pudack +5 more 2024-09-03
11919853 Process and apparatus for preparing purified styrene composition from styrene containing feedstock Rahul Khandelwal, Joseph C. Gentry, Kimberly Anderson, Meta Naulita-Ellis, Claudia Pudack +5 more 2024-03-05
11891358 Process and apparatus for preparing purified styrene composition from styrene containing feedstock Rahul Khandelwal, Joseph C. Gentry, Kimberly Anderson, Meta Naulita-Ellis, Claudia Pudack +5 more 2024-02-06
8361312 Methods for removal of colored- and sulfur-containing impurities from hydrocarbon streams Amy Sealey 2013-01-29
7307188 Purification of carboxylic acids by complexation with selective solvents Tai-Li Chou 2007-12-11
6982234 Methods and apparatus for removing catalyst from oxidation reactor effluent Fu-Ming Lee, Ronald G. Gualy 2006-01-03
6551502 Process of removing sulfur compounds from gasoline Fu-Ming Lee, Joseph C. Gentry, Lucia Cretoiu, Calambur Shyamkumar 2003-04-22
6140534 Method for purifying isophthalic acid prepared from metaxylene Fu-Ming Lee, Wiston Lamshing 2000-10-31
6054610 Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes Fu-Ming Lee, Wiston Lamshing 2000-04-25
5929274 Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid Wiston Lamshing, Fu-Ming Lee 1999-07-27
5849982 Recovery of styrene from pyrolysis gasoline by extractive distillation Fu-Ming Lee, Joseph C. Gentry 1998-12-15
5393385 Separation of hexane from vinyl acetate and methyl acrylate by extractive distillation Lloyd Berg 1995-02-28
5264086 Separation of formic acid from acetic acid by azeotropic distillation Lloyd Berg 1993-11-23
5262015 Separation of octene-1 from its isomers by azeotropic and extractive distillation Lloyd Berg 1993-11-16
5256259 Separation of hexane from vinyl acetate by azeotropic distillation Lloyd Berg 1993-10-26
5250157 Separation of toluene from methyl isobutyl ketone by azeotropic distillation Lloyd Berg 1993-10-05
5240567 Separation of vinyl acetate from methyl acrylate by extractive distillation Lloyd Berg 1993-08-31
5236559 Separation of hexane from vinyl acetate and methyl acrylate by extractive distillation Lloyd Berg 1993-08-17
5227029 Separation of formic acid from acetic acid by extractive distillation Lloyd Berg 1993-07-13
5225050 Separation of N-hexane from vinyl acetate by extractive distillation Lloyd Berg 1993-07-06