Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2011-06-28
2011-06-28
Therkorn, Ernest G (Department: 1776)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C210S656000, C210S198200, C210S502100
Reexamination Certificate
active
07967986
ABSTRACT:
A process for adsorption-based separation of bioparticles from an aqueous suspension containing such bioparticles is disclosed which process comprisesa) bringing said aqueous suspension into contact with a macroporous cryogel monolith carrying on its surface a ligand capable of interacting specifically or non-specifically with a receptor on the surface of a bioparticle to be separated to adsorb said bioparticle to said macroporous cryogen monolith; andb) liberating said bioparticle from said macroporous cryogel monolith by elution, wherein said macroporous cryogel monolith is subjected to a physical deformation in conjunction with exposure to eluting medium.
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patent: 2007/0163960 (2007-07-01), Mattiasson et al.
patent: 2009/0170973 (2009-07-01), Mattiasson et al.
patent: WO 91/17830 (1991-11-01), None
patent: WO 2004/087285 (2004-10-01), None
Dainiak PNAS Jan. 24, 2006, vol. 103 No. 4, pp. 849-854.
International Preliminary Report on Patentability and Written Opinion of the International Search Report, issued in International Patent Application No. PCT/SE2006/000556m dated on Nov. 22, 2007.
Lozinsky et al. “The potential of polymeric cryogels in bioseparation”, Bioseparation 10: 163-188, 2002.
Dainiak Maria
Galaev Igor
Kumar Ashok
Mattiasson Bo
Morrison & Foerster / LLP
Protista Biotechnology AB
Therkorn Ernest G
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