Jaime Garcia Lopez

US Patent:

7737072, Jun 15, 2010

Filed:

Oct 31, 2007

Appl. No.:

11/931972

Inventors:

Oleg Mironov - Hercules CA, US
Alexander E. Kuperman - Orinda CA, US
Jaime Lopez - Benicia CA, US
Axel Brait - San Rafael CA, US
Bruce Reynolds - Martinez CA, US
Kaidong Chen - Albany CA, US

Assignee:

Chevron USA Inc. - San Ramon CA

International Classification:

B01J 21/00
B01J 31/00
B01J 27/24
B01J 27/04

US Classification:

502200, 502216, 502219, 502220, 502221, 502222, 502223, 502517, 502168, 502 3, 502159, 502167

Abstract:

A hydroprocessing catalyst is provided. The hydroprocessing catalyst has the formula (M)(X)(S)(C)(H)(O)(N), wherein M is at least one group VIB metal; X is at least one Group VIII non-noble metal; t, u, v, w, x, y, z representing the total charge for each of the components (M, X, S, C, H, O and N, respectively); ta+ub+vd+we+xf+yg+zh=0; and 0=

US Patent:

7737073, Jun 15, 2010

Filed:

Oct 29, 2008

Appl. No.:

12/260379

Inventors:

Oleg Mironov - Hercules CA, US
Alexander E. Kuperman - Orinda CA, US
Jaime Lopez - Benicia CA, US
Axel Brait - San Rafael CA, US
Bruce Reynolds - Martinez CA, US
Kaidong Chen - Albany CA, US

Assignee:

Chevron U.S.A. Inc. - San Ramon CA

International Classification:

B01J 21/00
B01J 31/00
B01J 27/24
B01J 27/04

US Classification:

502200, 502216, 502219, 502220, 502221, 502222, 502223, 502517, 502168, 502 3, 502159, 502167

Abstract:

A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (M)(L)(S)(C)(H)(O)(N), wherein M is at least one group VIB metal; promoter metal L is optional and if present, L is at least one Group VIII non-noble metal; t, u, v, w, x, y, z representing the total charge for each of the components (M, L, S, C, H, O and N, respectively); ta+ub+vd+we+xf+yg+zh=0; 0=

US Patent:

7947623, May 24, 2011

Filed:

May 26, 2010

Appl. No.:

12/787855

Inventors:

Oleg Mironov - Hercules CA, US
Alexander E. Kuperman - Orinda CA, US
Jaime Lopez - Benicia CA, US
Axel Brait - San Rafael CA, US
Bruce Reynolds - Martinez CA, US
Kaidong Chen - Albany CA, US

International Classification:

B01J 21/00
B01J 31/00
B01J 27/24
B01J 27/04

US Classification:

502219, 502 3, 502167, 502168, 502220, 502221, 502222, 502223, 502517

Abstract:

A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (M)(L)(S)(C)(H)(O)(N), wherein M is at least one group VIB metal; promoter metal L is optional and if present, L is at least one Group VIII non-noble metal; t, u, v, w, x, y, z representing the total charge for each of the components (M, L, S, C, H, O and N, respectively); ta+ub+vd+we+xf+yg+zh=0; 0=

US Patent:

8361309, Jan 29, 2013

Filed:

Dec 16, 2009

Appl. No.:

12/639344

Inventors:

Jaime Lopez - Benicia CA, US
Janine Lichtenberger - Richmond CA, US
Ronald K. Meeker - Clayton CA, US
Paul A. Allinson - Danville CA, US
William J. Cannella - Orinda CA, US

Assignee:

Chevron U.S.A. Inc. - San Ramon CA

International Classification:

C10L 1/08

US Classification:

208 15, 44300, 44385, 44388, 44418

Abstract:

A diesel fuel composition comprising a (1) sulfur content of less than 10 ppm; (2) a flash point of greater than 50 C. ; (3) a UV absorbance, A, of less than 1. 5 as determined by the formula comprising+10().

US Patent:

20090100746, Apr 23, 2009

Filed:

Oct 22, 2007

Appl. No.:

11/876494

Inventors:

Jaime Lopez - Benicia CA, US
Janine Lichtenberger - Berkeley CA, US

Assignee:

CHEVRON U.S.A. INC. - San Ramon CA

International Classification:

C10L 1/00

US Classification:

44300

Abstract:

A process of upgrading a highly aromatic hydrocarbon feedstream comprising (a) contacting a highly aromatic hydrocarbon feedstream, wherein a major portion of the feedstream has a boiling range of from about 300 F. to about 800 F., under catalytic conditions with a catalyst system, containing a hydrotreating catalyst and a hydrogenation/hydrocracking catalyst in a single stage reactor system, wherein the active metals in the hydrogenation/hydrocracking catalyst comprises from about 5%-30% by weight of nickel and from about 5%-30% by-weight tungsten; and (b) wherein at least a portion of said highly aromatic hydrocarbon feedstream is converted to a product stream having a boiling range within jet or diesel boiling ranges.

US Patent:

20090159489, Jun 25, 2009

Filed:

Dec 18, 2008

Appl. No.:

12/338388

Inventors:

Jaime Lopez - Benicia CA, US
Janine Lichtenberger - Berkeley CA, US

International Classification:

C10L 1/08
C10G 47/02

US Classification:

208 15, 208112

Abstract:

A process of upgrading a highly aromatic hydrocarbon feedstream comprising(a) contacting a highly aromatic hydrocarbon feedstream, having a normal paraffin content of greater than at least about 5 wt %, wherein a major portion of the feedstream has a boiling range of from about 300 F. to about 800 F., under catalytic conditions with a catalyst system, containing a hydrotreating catalyst, a hydrogenation/hydrocracking catalyst, and a dewaxing catalyst in a single stage reactor system, wherein the active metals in the hydrogenation/hydrocracking catalyst comprises from about 5%-30% by weight of nickel and from about 5%-30% by weight tungsten; and(b) wherein at least a portion of said highly aromatic hydrocarbon feedstream is converted to a product stream having a boiling range within jet or diesel boiling ranges.

US Patent:

20090313890, Dec 24, 2009

Filed:

Jun 19, 2008

Appl. No.:

12/142229

Inventors:

Jaime Lopez - Benicia CA, US
Janine Lichtenberger - Berkeley CA, US
Ronald K. Meeker - Clayton CA, US
Paul A. Allinson - Danville CA, US
William Cannella - Orinda CA, US

Assignee:

CHEVRON U.S.A. INC. - San Ramon CA

International Classification:

C10L 1/18
C10L 1/00
C10G 69/04

US Classification:

44385, 44300, 208 61

Abstract:

A diesel fuel composition comprising a (1) sulfur content of less than 10 ppm; (2) a flash point of greater than 50 C.; (3) a UV absorbance, A, of less than 1.5 as determined by the formula comprising

US Patent:

20100270205, Oct 28, 2010

Filed:

Oct 21, 2009

Appl. No.:

12/582809

Inventors:

Jaime Lopez - Benicia CA, US
Janine Lichtenberger - Richmond CA, US
William J. Cannella - Orinda CA, US
Curtis L. Munson - Oakland CA, US

International Classification:

C10L 1/04
C10G 47/00

US Classification:

208 17, 208113

Abstract:

The disclosure describes a high energy density jet fuel composition, having a smoke point about 18 mm as determined by ASTM D1322 and a thermal stability of no more than 25 mm Hg as determined by ASTM D 3241, and a method for making a jet fuel composition, wherein the net heat of combustion is determined by the aromatics content, cycloparaffins content, and normal plus or iso paraffins content in the jet fuel composition.