Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
Inventor
active
Aqueous reaction of polyamine with alkylene dihalide in presence
Polyalkylenepolyamines containing quaternary dialkylammonium gro
Polyamines containing amide groups
Polyamines containing amide groups
Polyamines containing amide groups
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