Radical anion salts of derivatives of 1,4,5,8-naphthalenetetracarboxylic acid and their use

US4841073A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Tillmann Hassel · Cologne, DE
• Jurgen Hocker · Bensberg, DE
• Gerhard Heywang · Bensberg, DE
• Hans Muller
• Hans G. Fitzky · Odenthal, DE

Key dates

• Filing date: Nov 12, 1986
• Grant date: Jun 20, 1989
• Expiry date: Nov 12, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/3437
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to crystalline, stable radical anion salts of derivatives of 1,4,5,8-naphthalenetetracarboxylic acid of the formula ##STR1## in which p1 k, n, s, x, m, p, B, R and c have the meaning given in the description, to processes for their preparation and to their use as electrically conductive compounds.