Millen & White
Detergent compositions, their manufacture and their use as additives for fuels
 A nitrogen-containing composition, useful as a detergent for gasoline, is obtained by reacting at least one unsaturated anhydride with at least one olefin to convert 20-80% of the anhydride and thereafter reacting the resultant product with a polyamine of the general formula EQU H.sub.2 N--[(--CH.sub.2 --)--.sub.n NH].sub.m R.sup.7 wherein R.sup.7 is a monovalent aliphatic radical of 6-30 carbon atoms, n is an integer from 2 to 5 and m is an integer from 1 to 10. 
Societe Elf France Institut Francais du Petrole
C C
C10L C08F
inventional inventional
Choua Bernard Paul
Cohen Sillion Maldonado