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US 4,506,081 AGranted
Polymeric quaternary ammonium compounds and their uses
AssigneeBuckman Laboratories, Inc.
InventorsJoseph G. Fenyes, John D. Pera
Life of this patent
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Abstract
Novel polyquaternary ammonium compounds prepared from N,N'-bis(dialkylaminoalkyl)ureas, hydrochloric acid, epichlorohydrin and tertiary amines are useful as microbicides, corrosion inhibitors, debonding agents, flocculants, softeners, anti-static agents, and demulsifiers.
Claims11
The polyquaternary ammonium compositions having the structure ##STR9## R' is methyl, ethyl, propyl, hydroxyethyl or hydroxypropyl;
- characterized in that R' and R" are identical when R' is an ethyl, propyl, hydroxyethyl or hydroxypropyl and when R' is methyl, R" is independently methyl or an alkyl group containing 5 to 22 carbon atoms having 0 to 2 carbon to carbon double bonds, cyclohexyl, benzyl or phenyl;
- further characterized in that R' and R" may form a pyridyl group;
- Q is ##STR10## R'" is a lower alkyl group, m is 0 or a number from 1 to 200, n is 2 or 3, and p varies from 2 to 12.
Dependencies are inferred from the claim text.