| http://www.w3.org/ns/prov#value | - The polyalkylene imine that is'employed is a lower alkyl substitute of polyethylene imine, that is a polyethylene imine in which one or more of the hydrogens is substituted by a lower alkyl, such as a one to three carbon alkyl radical, such. as methyl, ethyl, and n-propyl or isopropyl and including the substitution derivatives in which one or more alkyl hydrogen is substituted by a bath compatible
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