SY

Sergei Yurchak

EX ExxonMobil: 26 patents #368 of 10,161Top 4%
Overall (All Time): #147,849 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
7232936 Conversion of oxygenate to olefins with staged injection of oxygenate 2007-06-19
6642426 Fluid-bed aromatics alkylation with staged injection of alkylating agents David L. Johnson, Robert G. Tinger, Robert A. Ware 2003-11-04
5382746 Removal of light ASO in HF alkylation process Jonathan E. Child, Tomas R. Melli 1995-01-17
5345027 Alkylation process using co-current downflow reactor with a continuous hydrocarbon phase Jonathan E. Child, Kenneth J. Del Rossi, Albin Huss, Jr., Frederick J. Krambeck, Thomas R. Melli 1994-09-06
5276243 Sulfolane purification method Michael Alan Better, Jonathan E. Child, Kenneth J. Del Rossi, Anagha A. Gupte, Tomas R. Melli 1994-01-04
5264650 Sulfolane purification by hydrocarbon extraction Michael Alan Better, Jonathan E. Child, Kenneth J. Del Rossi, Edward H. Edelson, Anagha A. Gupte +2 more 1993-11-23
5264652 Method for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfone Jonathan E. Child, Edward H. Edelson, Anagha A. Gupte, Rafi Jalkian, Tomas R. Melli 1993-11-23
5264651 Method for regenerating HF/sulfolane alkylation catalyst Michael Alan Better, Jonathan E. Child, Tomas R. Melli 1993-11-23
5262579 Separation of sulfolane from conjunct polymeric byproducts Jonathan E. Child, Anagha A. Gupte, Tomas R. Melli 1993-11-16
5258568 Single path alkylation method employing reduced acid inventory Jonathan E. Child, Tomas R. Melli 1993-11-02
5191150 Method for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfone Jonathan E. Child, Tomas R. Melli 1993-03-02
5166455 Process for the production of tertiary alkytl ethers from FCC light naphtha Arthur A. Chin, Frederick J. Krambeck, Stephen S. Wong 1992-11-24
5138102 Reactor quenching for catalytic olefin hydration in ether production James H. Beech, Jr., James A. Stoos, Stephen S. Wong 1992-08-11
5073665 Process for alkylating olefins and isoparaffins in a fixed bed reactor Jonathan E. Child, Albin Huss, Jr., Frederick J. Krambeck, Francis P. Ragonese, Robert T. Thomson 1991-12-17
5053570 Fluid bed paraffin aromatization Jorge Soto 1991-10-01
5053579 Process for upgrading unstable naphthas James H. Beech, Jr., Francis P. Ragonese, James A. Stoos 1991-10-01
5009851 Integrated catalytic reactor system with light olefin upgrading Amos A. Avidan 1991-04-23
4973790 Process for upgrading light olefinic streams James H. Beech, Jr., Francis P. Ragonese, James A. Stoos 1990-11-27
4966680 Integrated catalytic cracking process with light olefin upgrading Amos A. Avidan 1990-10-30
4950387 Upgrading of cracking gasoline Mohsen N. Harandi, Hartley Owen, Francis P. Ragonese 1990-08-21
4851606 Control of waste water chemical oxygen demand in an oxygenate to hydrocarbon conversion process Frank P. Ragonese 1989-07-25
4814536 Conversion of oxygenates to gasoline at variable space velocity 1989-03-21
4814535 Conversion of oxygenates to gasoline at variable inlet temperature 1989-03-21
4544781 Control of temperature exotherms in the conversion of methanol to gasoline hydrocarbons Paul Chao, Kevin J. Knob 1985-10-01
4523046 Method for gasoline yield enhancement in the fixed bed methanol-to-gasoline process Ronald M. Gould 1985-06-11