Title:
SOLUBLE ANION EXCHANGERS FROM HYPERBRANCHED MACROMOLECULES
Document Type and Number:
WIPO Patent Application WO/2011/084719
Kind Code:
A3
Abstract:
Novel macromolecules for filtering contaminants from water and non-aqueous solutions. Molecules such as polyethyleneimine (PEI) may be functionalized, cross-linked, and/or quaternized to improve their binding capacity or selectivity with particular water contaminants such as bromide, nitrate, and sulfate. The macromolecules may be either recyclable or non-recyclable, and may be recovered or separated from water using means such as ultrafiltration, flocculation, or immobilization on a substrate.
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Inventors:
DIALLO MAMADOU (US)
Application Number:
PCT/US2010/061176
Publication Date:
December 22, 2011
Filing Date:
December 17, 2010
Export Citation:
Assignee:
CALIFORNIA INST OF TECHN (US)
DIALLO MAMADOU (US)
YU CHANGJUN (US)
DIALLO MAMADOU (US)
YU CHANGJUN (US)
International Classes:
C07C219/06; C07C211/13; C07C213/08; C07C237/06; C08G73/02
Foreign References:
| EP0106635A1 | 1984-04-25 | |||
| US6096801A | 2000-08-01 |
Other References:
VERCRUYSSE, K. P. ET AL.: "Synthesis and in vitro Degradation of New Polyvalent Hydrazide Cross-Linked Hydrogels of Hyaluronic Acid", BIOCONJUGATE CHEMISTRY, vol. 8, no. 5, 1997, pages 686 - 694, XP002977286, DOI: doi:10.1021/bc9701095
FADHEL, B. ET AL.: "C02 adsorption by PAMAM dendrimers: Significant effect of impregnation into SBA-15", MICROPOROUS AND MESOPOROUS MATERIALS, vol. 123, no. 1-3, 5 April 2009 (2009-04-05), pages 140 - 149, XP026131286, DOI: doi:10.1016/j.micromeso.2009.03.040
LOU, X. ET AL.: "Dehydrogenation of tertiary amines in matrix-assisted laser desorption/ionization time-of-flight mass spectrometry", JOURNAL OF MASS SPECTROMETRY, vol. 43, no. 8, 2008, pages 1110 - 1122
KIM, H. J. ET AL.: "Synthesis and characterization of poly(amino ester) for slow biodegradable gene delivery vector", BIOORGANIC & MEDICINAL CHEMISTRY, vol. 15, no. 4, 2007, pages 1708 - 1715, XP005830431, DOI: doi:10.1016/j.bmc.2006.12.004
ESSAWY, H. A. ET AL.: "Improving the performance of urea-formaldehyde wood adhesive system using dendritic poly(amidoamine)s and their corresponding half generations", JOURNAL OF APPLIED POLYMER SCIENCE, vol. 114, no. 2, 18 June 2009 (2009-06-18), pages 1348 - 1355
FADHEL, B. ET AL.: "C02 adsorption by PAMAM dendrimers: Significant effect of impregnation into SBA-15", MICROPOROUS AND MESOPOROUS MATERIALS, vol. 123, no. 1-3, 5 April 2009 (2009-04-05), pages 140 - 149, XP026131286, DOI: doi:10.1016/j.micromeso.2009.03.040
LOU, X. ET AL.: "Dehydrogenation of tertiary amines in matrix-assisted laser desorption/ionization time-of-flight mass spectrometry", JOURNAL OF MASS SPECTROMETRY, vol. 43, no. 8, 2008, pages 1110 - 1122
KIM, H. J. ET AL.: "Synthesis and characterization of poly(amino ester) for slow biodegradable gene delivery vector", BIOORGANIC & MEDICINAL CHEMISTRY, vol. 15, no. 4, 2007, pages 1708 - 1715, XP005830431, DOI: doi:10.1016/j.bmc.2006.12.004
ESSAWY, H. A. ET AL.: "Improving the performance of urea-formaldehyde wood adhesive system using dendritic poly(amidoamine)s and their corresponding half generations", JOURNAL OF APPLIED POLYMER SCIENCE, vol. 114, no. 2, 18 June 2009 (2009-06-18), pages 1348 - 1355
Attorney, Agent or Firm:
OGDEN, Christopher, L. et al. (P.O. Box 60610Palo Alto, California, US)
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