Liquid purification or separation – Filter – Material
Reexamination Certificate
2005-01-04
2005-01-04
Kim, John (Department: 1723)
Liquid purification or separation
Filter
Material
C210S483000, C210S488000, C210S490000, C210S500410, C210S504000, C210S506000, C210S507000
Reexamination Certificate
active
06837996
ABSTRACT:
Sulfonamide polymer matrices and their various uses are disclosed. Among the uses is the configuration of the matrix with a porous support membrane to form a semipermeable membrane of the invention. The matrix of the invention is ultrathin, dense and substantially free of defects. The matrix configuration as the semipermeable membrane shows improved permeate flux and retention values.
REFERENCES:
patent: 856310 (1907-06-01), Stone
patent: 873606 (1907-12-01), Rhoades
patent: 875067 (1907-12-01), Green
patent: 875070 (1907-12-01), Haas et al.
patent: 875072 (1907-12-01), Harbach
patent: 2808394 (1957-10-01), Speck
patent: 2853475 (1958-09-01), Murphey
patent: 2875183 (1959-02-01), Murphey
patent: 3744642 (1973-07-01), Scala et al.
patent: 3914358 (1975-10-01), Dixon et al.
patent: 3951815 (1976-04-01), Wrasidlo
patent: 3988883 (1976-11-01), Sze
patent: 4039440 (1977-08-01), Cadotte
patent: 4080483 (1978-03-01), Kray
patent: 4107155 (1978-08-01), Fletcher et al.
patent: 4242208 (1980-12-01), Kawaguchi et al.
patent: 4251387 (1981-02-01), Lim et al.
patent: 4265745 (1981-05-01), Kawaguchi et al.
patent: 4277344 (1981-07-01), Cadotte
patent: 4302336 (1981-11-01), Kawaguchi et al.
patent: 4360434 (1982-11-01), Kawaguchi et al.
patent: 4388189 (1983-06-01), Kawaguchi et al.
patent: 4619767 (1986-10-01), Kamiyama et al.
patent: 4758343 (1988-07-01), Sasaki et al.
patent: 4761234 (1988-08-01), Uemura et al.
patent: 4765897 (1988-08-01), Cadotte et al.
patent: 4857363 (1989-08-01), Sasaki et al.
patent: 4872984 (1989-10-01), Tomaschke
patent: 4948507 (1990-08-01), Tomaschke
patent: 4950404 (1990-08-01), Chau
patent: 4983291 (1991-01-01), Chau et al.
patent: 5051178 (1991-09-01), Uemura et al.
patent: 5085777 (1992-02-01), Arthur
patent: 5234598 (1993-08-01), Tran et al.
patent: 5258203 (1993-11-01), Arthur
patent: 5262054 (1993-11-01), Wheeler
patent: 5271843 (1993-12-01), Chau et al.
patent: 5358745 (1994-10-01), Tran et al.
patent: 5576057 (1996-11-01), Hirose et al.
patent: 5614099 (1997-03-01), Hirose et al.
patent: 5627217 (1997-05-01), Rilling et al.
patent: 5658460 (1997-08-01), Cadotte et al.
patent: 5674398 (1997-10-01), Hirose et al.
patent: 5693227 (1997-12-01), Costa
patent: 5733602 (1998-03-01), Hirose et al.
patent: 5744039 (1998-04-01), Itoh et al.
patent: 5811387 (1998-09-01), Simon et al.
patent: 5843351 (1998-12-01), Hirose et al.
patent: 5945000 (1999-08-01), Skidmore et al.
patent: 6024873 (2000-02-01), Hirose et al.
patent: 6103865 (2000-08-01), Bae et al.
patent: 0 382 439 (1990-08-01), None
patent: 0505502 (1993-09-01), None
patent: 0787525 (1997-08-01), None
patent: 0992277 (2000-04-01), None
patent: 1020218 (2000-07-01), None
patent: 0718029 (2003-04-01), None
patent: 875069 (1961-08-01), None
patent: 875072 (1961-08-01), None
patent: 63-012310 (1988-01-01), None
Cadotte, J. E., et al., “Advanced Poly(Piperazineamide) Reverse Osmosis Membranes”,Office of Water Research and Technology Report, U.S. Department of the Interior PB80-127574, Contract No. 14-34-0001-8512,(1979).
Dickson, J. M., et al., “Development of a Coating Technique for the Internal Structure of Polypropylene Microfiltration Membranes”,Journal of Membrane Science, 148, (1998),25-36.
Evers, Robert C., et al., “Notes: Preparation and Thermal Properties of Some Piperazine Polysulfonamides”,Journal of Polymer Science Part A-1, 5. (1967),1797-1801.
Imai, Yoshio, et al., “Synthesis of Polysulfonamides from Aromatic Disulfonyl Bromides and Diamines”,Journal of Polymer Science, Polymer Chemistry Ed., 17, (1979),2929-2933
Ji, J., “Fabrication of Thin-Film Composite Membranes with Pendant, Photoreactive Diazoketone Functionality”,Journal of Applied Polymer Science, 64, (1997),2381-2398.
Ji, J., et al., “Mathematical Model for the Formation of Thin-Film Composite Membranes by Interfacial Polymerization: Porous and Dense Films”, Macromolecules, 33, (2000),624-633.
Jiang, Ji M., “Fabrication and Photochemical Surface Modification of Photoreactive Thin-Film Composite Membranes and Model Development For Thin Film Formation by Interfacial Polymerization”,McMaster University, UMI Dissertation Services,(1996),
Morgan, Paul, “VII. Polysulfonamides and Polyphosphonamides”,In: Condensation Polymers, Interscience Publishers: New York City,(1965),304-324.
Stake, A. M., et al., “Preparation of Reverse-Osmosis Membranes by Surface Modification of Polymeric Films”,In: NTIS U.S. Department of Commerce Report PB208790, Contract No. 14-30-2750, Progress Report No. 768,(Apr. 1972).
Sundet, S. A., et al., “Interfacial Polycondensation. IX. Polysulfonamides”,Journal of Polymer Science, XL, (1959),389-397.
Trushinski, B. J., et al., “Photochemically Modified Thin-Film Composite Membranes. II. Bromoethyl Ester, Dioxolan, and Hydroxyethyl Ester Membranes”,Journal of Applied Polymer Science, 54, (1994),1233-1242.
Trushinski, B. J., et al., “Photochemically Modified Thin-Film Composite Membranes. I. Acid and Ester Membranes”,Journal of Applied Polymer Science, 48, (1993),187-198.
Trushinski, B. J., “Polysulfonanide Thin-Film Composite Reverse Osmosis Membranes”,Journal of Membrane Science, 143, (1998),181-188.
Chan, Wing-Hong, et al., “Water-alcohol separation by pervaporation through chemically modified poly(amidesulfonamide)s”,Journal of Membrane Science, vol. 160,(1999), pp. 77-86.
Hodgins Leonard T.
Kloos Steven D.
Kurth Christopher J.
Peschl Jessica A.
GE Osmonics, Inc.
Kim John
Schwegman Lundberg Woessner & Kluth P.A.
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