C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
134/27, 260/247.
C07C 309/14 (2006.01) C07D 295/108 (2006.01) C11D 1/62 (2006.01) C11D 1/92 (2006.01)
Patent
CA 1326024
A B S T R A C T Surface active agents of the formula Image wherein R is selected from the group consisting of alkyl, aryl, alkylaryl groups of 2-18 carbons and alkoxymethyl wherein the alkoxy group is of 2-18 carbon atoms, R2 and R3 are individually selected from the group consisting of methyl; alkyl of 2 to 6 carbon atoms wherein said alkyl group is substituted by an electron-donating group on the beta carbon atoms thereof; polyoxyethylene and polyoxypropylene or R2 and R3 may jointly form a -CH2CH2OCH2CH2- or CH2CH2SCH2CH2- group so as to form, together with the nitrogen atom to which they are bound, a morpholine or thiomorpholine ring Q is a covalent bond or Image wherein R1 is independently selected from the same groups as R2 and R3 or is Image wherein M is hydrogen or an alkali metal cation, n is 0 or 1, and X is hydrogen or an electron-donating group have good foaming properties in highly alkaline solutions.
530712
Mitchell Richard J.
Rhodia Inc.
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