| abstract |
PCT No. PCT/EP96/05635 Sec. 371 Date Jun. 2, 1998 Sec. 102(e) Date Jun. 2, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/23586 PCT Pub. Date Jul. 3, 1997A fuel or lubricant composition containing polyisobutene amines and which contains at least one secondary polyisobutene amine of the formula I, in which R denotes a polyisobutene radical containing from 6 to 45 isobutylene units, up to 20% of the isobutylene units being replaceable by n-butylene units, provided that the amount of the secondary polyisobutene amine is larger than the amount of any corresponding primary or tertiary polyisobutene amine which may also be present. |