Water-soluble polymer alkanals

Details Water-soluble polymer alkanals Water-soluble polymer alkanals

2010-10-20

2011-12-13

Truong, Duc (Department: 1765)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S054100, C525S054110, C525S054200, C525S054300, C528S288000, C528S310000, C528S332000, C530S300000, C530S334000, C568S497000

Reexamination Certificate

active

08076412

ABSTRACT:
The present invention is directed to alkanal derivatives of water-soluble polymers such as poly(ethylene glycol), their corresponding hydrates and acetals, and to methods for preparing and using such polymer alkanals. The polymer alkanals of the invention are prepared in high purity and exhibit storage stability.

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