Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2006-12-26
2006-12-26
Fortuna, Ana (Department: 1723)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C536S025400, C536S025600, C435S006120, C435S483000, C435S490000, C435S299100
Reexamination Certificate
active
07153433
ABSTRACT:
Application of a functionalized porous membrane to purify nucleic acids, the binding properties of the membrane with respect to nucleic acids being adjustable by controlling the conditions of an ambient medium. The membrane is functionalized by deprotonated groups.
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Ulbricht M et al: “Ultrafiltration membrane surfaces with grafted polymer ‘tentacles’: preparation, characterization and application for covalent protein binding”, Biomaterials, GB Elsevier Science Publishers, vol. 19, No. 14, Jul. 1998.
Köhn Heinz Gerhard
Kolzau Thomas
Plüster Wilhelm
Ulbricht Mathias
Eppendorf AG
Fortuna Ana
Rankin, Hill Porter & Clark LLP
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