Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From heterocyclic reactant containing as ring atoms oxygen,...
Reexamination Certificate
2006-03-07
2006-03-07
Sellers, Robert (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From heterocyclic reactant containing as ring atoms oxygen,...
C524S612000, C528S405000
Reexamination Certificate
active
07009033
ABSTRACT:
Heterofunctional polyethylene glycol or polyethylene oxide, represented by one of the following formula (I) to (IV):wherein:m is an integer from 5 to 10,000;n is an integer from 1 to 20;each R is independently an organic substituent, preferably an hydrocarbon substituent that preferably comprises at least one heteroatom,each A is independently an alkyl, a substituted alkyl group or an hydrogen atom,and the salts thereof.
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Varshney Sunil K.
Zhang Jian Xin
Bereskin & Parr
Polymer Source Inc.
Sellers Robert
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