Macromolecular ketoaldehydes

Details Macromolecular ketoaldehydes Macromolecular ketoaldehydes

2004-11-12

2009-06-09

Cheung, William K (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C526S315000, C526S316000, C526S346000

Reexamination Certificate

active

07544737

ABSTRACT:
Methods of producing macromolecular compositions and using same are provided. The method includes preparing a resin material; forming an acetyl group on the resin material; and oxidizing the acetyl group via a one-step reaction including reacting a sulfoxide and an acid with the acetyl group to form a ketoaldehyde group. The macromolecular compositions are capable of removing an effective amount of one or more constituents from a physiological solution, such as urea during dialysis therapy.

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