CS

Chakka Sudhakar

Chevron: 24 patents #148 of 4,788Top 4%
WE Westvaco: 1 patents #184 of 364Top 55%
Overall (All Time): #165,757 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6547957 Process for upgrading a hydrocarbon oil Mark Timothy Caspary, Stephen J. DeCanio 2003-04-15
6162351 Hydrodenitrogenation of hydrocarbons utilizing a carbon-supported catalyst Frank Dolfinger, Jr., Max R. Cesar 2000-12-19
5928501 Process for upgrading a hydrocarbon oil Mark Timothy Caspary, Stephen J. DeCanio 1999-07-27
5851382 Selective hydrodesulfurization of cracked naphtha using hydrotalcite-supported catalysts 1998-12-22
5846406 Selective hydrodesulfurization of cracked naphtha using novel manganese oxide octahedral molecular sieve supported catalysts Chi-Lin O'Young 1998-12-08
5837640 Carbon-supported hydrodearomatization catalyst Frank Dolfinger, Jr., Dennis Joseph Rao, John Hazen 1998-11-17
5817229 Catalytic hydrocarbon upgrading process requiring no external hydrogen supply Regis J. Pellet, Mahendra S. Patel 1998-10-06
5770046 Selective hydrodesulfurization of cracked naphtha using novel catalysts 1998-06-23
5676822 Process for hydrodearomatization of hydrocarbon oils using carbon supported metal sulfide catalysts promoted by zinc 1997-10-14
5651878 Hydrodearomatization of Hydrocarbons Frank Dolfinger, Jr., Max R. Cesar 1997-07-29
5624547 Process for pretreatment of hydrocarbon oil prior to hydrocracking and fluid catalytic cracking Paul O. Fritz, Carl J. Kjellson, Hua Huang, Gerald G. Sandford 1997-04-29
5556824 Hydrodearomatization of hydrocarbons Frank Dolfinger, Jr., Max R. Cesar, Jeffrey G. Weissman 1996-09-17
5538929 Phosphorus-treated activated carbon composition Robert K. Beckler, James R. Miller, Mahendra S. Patel 1996-07-23
5538930 Hydrotreating of cracked naphtha Gerald G. Sandford, Phillip L. Dahlstrom, Mahendra S. Patel, Edwin L. Patmore 1996-07-23
5529968 "Hydrodearomatization of hydrocarbon oils using novel ""phophorus treated carbon"" supported metal sulfide catalysts" Frank Dolfinger, Jr., Max R. Cesar, Mahendra S. Patel, Paul O. Fritz 1996-06-25
5525211 Selective hydrodesulfurization of naphtha using selectively poisoned hydroprocessing catalyst Max R. Cesar, R. Anthony Heinrich 1996-06-11
5500401 Method for selective hydrodenitrogenation of raw oils Gerald G. Sandford, Frank Dolfinger, Jr. 1996-03-19
5472595 Process for hydrodearomatization of hydrocarbon oils using carbon supported metal sulfide catalysts promoted by phosphate Frank Dolfinger, Jr., Max R. Cesar, Mahendra S. Patel 1995-12-05
5462651 "Hydrodearomatization of hydrocarbon oils using novel ""phosphorus treated carbon"" supported metal sulfide catalysts" Frank Dolfinger, Jr., Max R. Cesar, Mahendra S. Patel, Paul O. Fritz 1995-10-31
5449452 Hydrodearomatization of hydrocarbons Frank Dolfinger, Jr., Max R. Cesar, Jeffrey G. Weissman 1995-09-12
5435907 Hydrodearomatization of middle distillate hydrocarbons Frank Dolfinger, Jr., Dennis J. Pao, John Hazen 1995-07-25
5423976 Hydrotreating of cracked naphtha Gerald G. Sandford, Phillip L. Dahlstrom, Mahendra S. Patel, Edwin L. Patmore 1995-06-13
5423975 Selective hydrodesulfurization of naphtha using spent resid catalyst Gerald G. Sandford, Ajit K. Bhattacharya 1995-06-13
5389241 Method for selective hydrodenitrogenation of raw oils Gerald G. Sandford, Frank Dolfinger, Jr. 1995-02-14
5286373 Selective hydrodesulfurization of naphtha using deactivated hydrotreating catalyst Gerald G. Sandford 1994-02-15