Catalyst – solid sorbent – or support therefor: product or process – Miscellaneous
Reexamination Certificate
2007-11-27
2007-11-27
Johnson, Edward M. (Department: 1754)
Catalyst, solid sorbent, or support therefor: product or process
Miscellaneous
Reexamination Certificate
active
10041536
ABSTRACT:
Using zeolites as the active adsorbent, adsorbent laminates have been fabricated with various sheet supports. These adsorbent laminates have been successfully operated for oxygen enrichment at high PSA cycle frequencies, such as upwards of at least 150 cycles per minute. Methods for making suitable adsorbent laminates are described. The methods generally involve forming a slurry comprising a liquid suspending agent, an adsorbent and a binder. Laminates are made by applying the slurry to support material or admixing support material with the slurry. The slurry can be applied to support material using a variety of techniques, including roll coaters, split roll coaters, electrophoretic deposition, etc. One method for making laminates by mixing support material with the adsorbent slurry comprises depositing the slurry onto a foraminous wire, draining the slurry material, and pressing the material to form a ceramic adsorbent paper. Spacers can be formed on adsorbent laminates to space one laminate from another. The spacer dimensions can be uniform, or can vary along a laminate, such as increasing in height from a first end to a second end of the laminate. Gas flow-through apertures also can be formed on laminates. The laminates are adjacent one another to define flow channel between adjacent bodies, whereby a portion of a gas flowing through the flow channels flows through the apertures to facilitate pressure equalization in the adsorbent structure.
REFERENCES:
patent: 2882243 (1959-04-01), Milton
patent: 2882244 (1959-04-01), Milton
patent: 3094569 (1963-06-01), Thomas
patent: 3140933 (1964-07-01), McKee
patent: 3204388 (1965-09-01), Asker
patent: 3497462 (1970-02-01), Kruerke
patent: 3513631 (1970-05-01), Seibert et al.
patent: 3713281 (1973-01-01), Asker et al.
patent: 3789106 (1974-01-01), Hay
patent: 4153434 (1979-05-01), Settlemyer
patent: 4443422 (1984-04-01), Kostinko
patent: 4481018 (1984-11-01), Coe et al.
patent: 4555453 (1985-11-01), Appleby
patent: 4557736 (1985-12-01), Sircar et al.
patent: 4702749 (1987-10-01), Sircar et al.
patent: 4702903 (1987-10-01), Keefer
patent: 4711645 (1987-12-01), Kumar
patent: 4717398 (1988-01-01), Pearce
patent: 4732584 (1988-03-01), Coe et al.
patent: 4747854 (1988-05-01), Maroulis et al.
patent: 4765808 (1988-08-01), Oigo et al.
patent: 4801308 (1989-01-01), Keefer
patent: 4859217 (1989-08-01), Chao
patent: 4880443 (1989-11-01), Miller et al.
patent: 4917711 (1990-04-01), Xie et al.
patent: 4925460 (1990-05-01), Coe et al.
patent: 5052188 (1991-10-01), Komarneni et al.
patent: 5082473 (1992-01-01), Keefer
patent: 5152813 (1992-10-01), Coe et al.
patent: 5174979 (1992-12-01), Chao et al.
patent: 5175137 (1992-12-01), Golden et al.
patent: 5194414 (1993-03-01), Kuma
patent: 5232474 (1993-08-01), Jain
patent: 5258058 (1993-11-01), Coe et al.
patent: 5401706 (1995-03-01), Fischer
patent: 5413625 (1995-05-01), Chao et al.
patent: 5415748 (1995-05-01), Emiliani et al.
patent: 5417957 (1995-05-01), Coe et al.
patent: 5419891 (1995-05-01), Coe et al.
patent: 5431716 (1995-07-01), Ebbeson
patent: 5464467 (1995-11-01), Fitch et al.
patent: 5531808 (1996-07-01), Ojo et al.
patent: 5587003 (1996-12-01), Bülow et al.
patent: 5591691 (1997-01-01), Friedman et al.
patent: 5593478 (1997-01-01), Hill et al.
patent: 5604174 (1997-02-01), Friedman et al.
patent: 5667560 (1997-09-01), Dunne
patent: 5786031 (1998-07-01), Retallick et al.
patent: 5795456 (1998-08-01), Friedman et al.
patent: 5827358 (1998-10-01), Kulish et al.
patent: 5897686 (1999-04-01), Golden et al.
patent: 5968235 (1999-10-01), Grime et al.
patent: 5980611 (1999-11-01), Kumar et al.
patent: 6042797 (2000-03-01), Ogawa et al.
patent: 6051050 (2000-04-01), Keefer et al.
patent: 6056804 (2000-05-01), Keefer et al.
patent: 6063161 (2000-05-01), Keefer et al.
patent: 6176897 (2001-01-01), Keefer
patent: 6200365 (2001-03-01), Eimer et al.
patent: 6293998 (2001-09-01), Dolan et al.
patent: 6296823 (2001-10-01), Ertl et al.
patent: 6406523 (2002-06-01), Connor et al.
patent: 6451095 (2002-09-01), Keefer et al.
patent: 6514319 (2003-02-01), Keefer et al.
patent: 6565635 (2003-05-01), Keefer et al.
patent: 6624115 (2003-09-01), Schuh et al.
patent: 6692626 (2004-02-01), Keefer et al.
patent: RE38493 (2004-04-01), Keefer et al.
patent: 6742507 (2004-06-01), Connor et al.
patent: 6866950 (2005-03-01), Connor et al.
patent: 6902602 (2005-06-01), Keefer et al.
patent: 2002/0134246 (2002-09-01), Babicki et al.
patent: 2306311 (2000-04-01), None
patent: 0 685 429 (1995-12-01), None
patent: 0 685 430 (1995-12-01), None
patent: 1 046 422 (2000-10-01), None
patent: 1 580 928 (1980-10-01), None
patent: WO 99/15259 (1999-04-01), None
patent: WO 99/28013 (1999-06-01), None
patent: WO 00/40332 (2000-07-01), None
patent: WO 00/76628 (2000-12-01), None
Barthomeuf, D. “Basic Zeolites: Characterization and Uses in Adsorption and Catalysis”Catalysis Reviews, Science and Engineering, vol. 38, No. 4, pp. 521-612 (1996), no month.
Chon, et al. “Progress in Zeolite and Microporous Materials”Studies in Surface Science and Catalysis, vol. 105, 27 pages (1997), no month.
Chue, et al. “Comparison of Activated Carbon and Zeolite 13X for CO2Recovery from Flue Gas by Pressure Swing Adsorption”Ind. Eng. Chem. Res. 34:591-598 (1995), no month.
Dyer, A. “An Introduction to Zeolite Molecular Sieves” Chichester, John Wiley & Sons, pp. 67-127 (1988), no month.
Ghosh, et al. “Solid Desiccant Dehumidification Systems”Studies in Surface Science and Catalysis, vol. 120, pp. 879-916 (1988), no month.
Hufton, et al. “Sorption-Enhanced Reaction Process for Hydrogen Production”AlChE Journal, vol. 45, No. 2, pp. 248-256 (Feb. 1999).
Iyuke, et al. “Application of Sn-activated carbon in pressure swing adsorption for purification”Chemical Engineering Science, 55:4745-4755 (2000), no month.
Karge, H. “Post-Synthesis Modification of Microporous Materials by Solid State Reactions”Studies in SurfaceScience and Catalysis, vol. 105, pp. 1901-1948 (1997), no month.
Kühl, G. “Crystallization of Low-Silica Faujasite (SiO2/Al2O3-2 0)”Zeolites, vol. 7, pp. 451-457 (Sep. 1987).
Rege, S. “Sorbents for Air Purification in Air Separation”Chemical Engineering Science, 55:4827-4838 (2000), no month.
Sircar, et al. “Purification of Hydrogen by Pressure Swing Adsorption”Separation Science and Technology, 35(5), pp. 667-687 (2000), no month.
Townsend, R. P. “Ion Exchange in Zeolites” Ch. 10. pp. 359-390 (1991).
Verdonck, et al. “Catalysis by a Ruthenium Complex Heterogenized in Faujasite-type Zeolites: the Water Gas-shift Reaction”J.C.S. Chem Comm. pp. 181, 182 (1979).
International Search Report from Applicant's Co-Pending International Application No. PCT/US02/00470.
U.S. Appl. No. 10/954,251, filed Sep. 29, 2004, Sawada et al.
Carel Alain A.
Dornan David G.
Gibbs Andrea C.
Hetzler Bernard H.
Hunter Carl F.
Johnson Edward M.
Klarquist & Sparkman, LLP
QuestAir Technologies Inc.
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