TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The mono- or di-esterified phosphoric acid is R3-P(=O)(OH)-R4. The mono- or di-esterified phosphoric acid or is mixture is selected from mono- and di-(tallowyl polyglycolether (6 EO))phosphate or its mixtures, mono- and di-(oleyl polyglycolether (7 EO))phosphate or its mixtures, mono- and di-(isotridecyl polyglycolether (3 EO)) phosphate or its mixtures, mono- and di-lauryl phosphate or its mixtures, mono- and di-tridecyl phosphate or its mixtures, mono- and di-tetradecyl phosphate or its mixtures, mono- and di-2-ethylhexyl ester phosphate or its mixtures, mono- and di-(isotridecyl polyglycolether (20 EO))phosphate or mixtures, mono- and di-(isotridecyl polyglycolether (9 EO)) phosphate or mixtures, mono- and di-(icosyl polyglycolether (12 EO))phosphate or its mixtures, mono- and di-(henicosyl polyglycolether (12 EO))phosphate or its mixtures, mono and di-(docosyl polyglycolether (12 EO))phosphate or its mixtures, mono- and di-(tallowyl polyglycolether (11 EO))phosphate or mixtures, mono- and di-isotridecyl phophate or its mixtures, mono- and di-(nonylphenyl polyglycolether (9 EO))phosphate or mixtures, mono- and di-(tristyrylphenyl polyglycolether (14 EO))phosphate or its mixtures, mono- and di-(2-ethylhexyl polyglycolether (3 EO))phosphate or its mixtures. The aqueous or organic solvent is selected from water, ethyl acetate, methyl ethyl ketone, ethanol and/or toluene. The surfactant comprises a mono- or di-esterified phosphoric acid, its mixture or partially neutralized salt. The surfactant is solid at 20 degrees C, and is used for dispersing the polymer or copolymer of optionally substituted thiophene.R3=hydroxy or -(OCH2)nOR5;R4=hydroxy or -(OCH2)mOR6;n and m=0-20;R5 and R6=hydrocarbon (H1), optionally substituted heterocyclic, (un)saturated, (non)aromatic, heteroaromatic comprising 8-30 carbon atoms, (preferably hydrocarbon (H1));H1=octyl, 2-ethylhexyl, secondary octyl, nonyl, secondary nonyl, decyl, secondary decyl, undecyl, secondary undecyl, dodecyl, secondary dodecyl, tridecyl, isotridecyl, secondary tridecyl, tetradecyl, secondary tetradecyl, hexadecyl, lauryl, dilauryl, secondary hexadecyl, stearyl, icosyl, docosyl, tetracosyl, triacontyl, 2-butyloctyl, 2-butyldecyl, 2-hexyloctyl, 2-hexyldecyl, 2-octyldecyl, 2-hexyldodecyl, 2-octyldodecyl, 2-decyltetradecyl, 2-dodecylhexadecyl, 2-hexadecyloctadecyl, 2-tetradecyloctadecyl, monomethyl branched-isostearyl, nonylphenyl or tristyrylphenyl).Provided that both R3 and R4 are not hydroxy simultaneously.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The freeze-dried composition (C1) is present in form of a powder, concentrated dispersion or paste. Preferred Components: The polyanion is poly(styrenesulfonate). The polymer or copolymer of optionally substituted thiophene is poly(3,4-ethylenedioxythiophene). EXAMPLE - No suitable example given.