Basf Aktiengesellschaft

Claus Peter Jakob

Knut Oppenlaender

Hans-Henning Vogel

Hans Peter Rath

Dietmar Posselt

Harald Schwahn

Karl Stork

Erich Schwartz

Christoph B&auml;hr

Solid or pasty fuel additive compositions comprise a homogeneous mixture of a solid compacting agent soluble in fuel and at least one liquid fuel additive, the compositions having an additive content of from more than about 40 to 99% by weight, based on their total weight.

Solid fuel additive

A motor fuel for internal combustion engines contains a small amount of an additive comprising

Motor fuel for internal combustion engines

Salts of polymaleic acids, having molecular weights of from 200 to 1,500, with amines, of the formula ##STR1## where R.sup.1 and R.sup.2 are identical or different and each is hydrogen, C.sub.9 -C.sub.20 -alkyl or C.sub.9 -C.sub.20 -alkenyl and R.sup.3 is C.sub.9 -C.sub.20 -alkyl or C.sub.9 -C.sub.20 -alkenyl.

Ammonium salts of polymaleic acids, and their use as corrosion

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Viernheim, Germany

Claus Peter Jakob