Bayer Aktiengesellschaft

Werner Schmidtberg

Friedrich Jonas

Gerhard Heywang

Jurgen Heinze

Michael Dietrich

Rudolf Merten

The invention relates to new polythiophenes containing structural units of the formula ##STR1## in which A denotes an optionally substituted C.sub.1 -C.sub.4 -alkylene radical, their preparation by oxidative polymerization of the corresponding thiophenes and the use of the polythiophenes for imparting antistatic properties on substrates which only conduct electrical current poorly or not at all, in particular on plastic mouldings, and as electrode material for rechargeable batteries.

Method of imparting antistatic properties to a substrate by coating the

Polythiophenes, process for their preparation and their use

The invention relates to the use fo polythiophenes which are built up from structural units of the formula ##STR1## in which R.sub.1 and R.sub.2, independently of one another, stand for hydrogen or a C.sub.1 -C.sub.4 -alkyl group, or, together, form an optionally substituted C.sub.1 -C.sub.4 -alkylene radical or a 1,2-cyclohexylene radical, solid electrolytes in electrolyte capacitors, and to the electrolyte capacitors containing these solid electrolytes.

Solid electrolytes, and electrolyte capacitors containing same

Polyhydantoins of the general formula ##STR1## in which X stands for a bivalent aliphatic, aromatic or araliphatic radical,

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Leverkusen, Germany

Werner Schmidtberg