Mineral oils: processes and products – Refining – Sulfur removal
Reexamination Certificate
2005-05-04
2008-08-26
Griffin, Walter D. (Department: 1797)
Mineral oils: processes and products
Refining
Sulfur removal
C208S243000, C208S244000, C208S245000, C208S246000, C208S247000, C208S248000, C208S20800M, C208S25400R, C208S299000, C208S295000, C208S296000, C208S297000, C423S608000, C423S609000, C423S610000, C977S734000
Reexamination Certificate
active
07416655
ABSTRACT:
An adsorbent composition comprising a nanostructured titanium oxide material of the formula TiO2-, where 0≦×≦1 with nanotubular and/or nanofibrilar morphology, high oxygen deficiency, having an orthorhombic JT crystalline phase described by at least one of the space groups 59 Pmmn, 63 Amma, 71Immm or 63 Bmmb, and comprising between 0 and 20 weight percent of a transition metal oxide is used for the selective adsorption of nitrogen compounds and/or sulfur compounds from light and intermediate petroleum fractions.
REFERENCES:
patent: 2833620 (1958-05-01), Gier et al.
patent: 2853257 (1958-09-01), Cook
patent: 4188501 (1980-02-01), Rycheck et al.
patent: 4689211 (1987-08-01), Nishiuchi et al.
patent: 4705762 (1987-11-01), Ota et al.
patent: 5089462 (1992-02-01), Wilson et al.
patent: 5098684 (1992-03-01), Kresge et al.
patent: 5102643 (1992-04-01), Kresge et al.
patent: 5135639 (1992-08-01), Schmidt et al.
patent: 5730860 (1998-03-01), Irvine
patent: 6027775 (2000-02-01), Kasuga et al.
patent: 6099798 (2000-08-01), Kambe et al.
patent: 6248230 (2001-06-01), Min et al.
patent: 6387531 (2002-05-01), Bi et al.
patent: 6537517 (2003-03-01), Kasuga et al.
patent: 6551501 (2003-04-01), Whitehurst et al.
patent: 6585945 (2003-07-01), Wu et al.
patent: 6797127 (2004-09-01), Murata et al.
patent: 6858173 (2005-02-01), Zhan et al.
patent: 2001/0036897 (2001-11-01), Tsujimichi et al.
patent: 2002/0018853 (2002-02-01), Khare
patent: 2002/0043483 (2002-04-01), Leung et al.
patent: 2002/0043484 (2002-04-01), Khare
patent: 2002/0161256 (2002-10-01), Bogan et al.
patent: 2003/0163013 (2003-08-01), Yang et al.
patent: 2003/0181329 (2003-09-01), Tanaka et al.
patent: 2004/0265587 (2004-12-01), Koyanagi et al.
patent: 0 469 675 (1991-02-01), None
patent: 0 448 117 (1991-09-01), None
patent: 2003-0026268 (2003-03-01), None
Estermann et al., “A Synthetic Gallophosphate Molecular Sieve with a 20-tetrahedral-atom Pore Opening”, Nature, vol. 352, Jul. 25, 1991, 320-323.
Freeman et al., “Bioreversible Protection for the Phospho Group: Chemical Stability and Bioactivation of Di(4-acetoxybenzyl) Methylphosphonate with Carboxyesterase”, J. Chem. Soc., Chem Commun., 1991, 875-877.
Beck et al., “A New Family of Mesoporous Molecular Sieves Prepared with Liquid Crystal Templates”, J. Am. Chem. Soc., 1992, vol. 114, No. 27, 10834-10843.
Kroto et al., “C60: Buckminsterfullerene”, Nature, vol. 318, Nov. 14, 1985, 162-163.
Iijima, “Helical Microtubules of Graphitic Carbon”, Nature, vol. 354, Nov. 7, 1991, 56-58.
Tenne et al., “Polyhedral and Cylindrical Structures of Tungsten Disulpyhide”, Nature, vol. 360, Dec. 3, 1992, 444-446.
Rao et al., “Inorganic Nanotubes”, Dalton Trans., 2003, 1-24.
Lozada et al., “The Force Between Two Planar Electrical Double Layers”, J. Chem. Phys., vol. 80, No. 7, Apr. 1, 1984, 3344-3349.
Lozada et al., “Three Point Extension for Hypernetted Chain and Other Integral Equation Theories: Numerical Results”, J. Chem. Phys., vol. 92, No. 2, Jan. 15, 1990, 1194-1210.
Yeomans et al., “The Structure of Electrolytes in Cylindrical Pores”, J. Chem. Phys. vol. 98, No. 2, Jan. 15, 1993, 1436-1450.
Degrevel, “Monte Carlo and HNC/MSA Results for an Asymmetrical Electrolyte in an External Electrical Field of Spherical Geometry”, Molecular Physics, vol. 86, No. 4, 1995, 759-768.
Lozada et al., “Violation of the Electroneutrality Condition in Confined Charged Fluids”, Physical Review E, vol. 53, No. 1, Jan 1996, 522-530.
Lozada et al., “Correlation of Charged Fluids Separated by a Wall”, Physical Review Letters, vol. 77, No. 19, Nov. 4, 1996, 4019-4022.
Lozada et al., “Correlation of Charged Fluids Separated by a Wall of Finite Thickness: Dependence on the Charge of the Fluid and the Wall”, Physical Review E, vol. 56, No. 3, Sep. 1997, 2958-2965.
Yu et al., “Charge Separation in Confined Charged Fluids”, Physical Review Letters, vol. 79, No. 19, Nov. 10, 1997, 3656-3659.
Ma et al., “Nanotubes of Lepidocrocite Titanates”, Chemical Physics Letters., vol. 380, 2003, 577-582.
Tsai et al., “Regulation of the Physical Characteristics of Titania Nanotube Aggregates Synthesized from Hydrothermal Treatment”, Chem. Mater., vol. 16, No. 22, 2004, 4352-4358.
Alvarez Ramírez Fernando
Angeles Chávez Carlos
Cortés Jacome María Antonia
Escobar Aguilar José
Ferrat Torres Gerardo
Griffin Walter D.
Instituto Mexicano del Petroleo
Nguyen Huy-Tram
Roylance Abrams Berdo & Goodman L.L.P.
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