Title: Mannich bases containing tertiary amines

Abstract: Mannich condensation products useful in gasoline as carburetor detergents; the condensation compositions having the formula ##STR1## wherein Z is an alkyl- and hydroxy-substituted benzyl group wherein the alkyl has 20 to 1000 carbon atoms; n is 2; x, y, and c are each 0 or 1; x+y=0 or 1; with the proviso that when x is 0 and y is 0, then c is 0; when x is 1 and y is 0, then c is 1 and when x is 0 and y is 1, then c is 1.

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Inventors: Garth, Bruce H. (Newark, DE, US)

Application Number: 926556
Filing Date: 1978-07-20
Publication_date: 1979-10-30
Assignee: E. I. Du Pont de Nemours & Company (Wilmington, DE)
Primary Class(es): 44/335 544/401, 544/402
Other Classes:
US Patent Ref:

3634515	Jan, 1972	Piacek et al.	252/51.
3649229	Mar, 1972	Otto	44/73.
4054422	Oct, 1977	Garth	252/51.

Other Refs:
Primary Examiner: Douglas, Winston A.
Assistant Examiner: Harris-Smith, Y.
Attorney: Costello; James A.