Inventor · Aachen, DE

Friedrich Jonas

67Patents
26h-index
74Co-inventors
91Inventor score

Filing activity: Aug 16, 1982 → Mar 4, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5300575A Polythiophene dispersions, their production and their use Emerging Cross-Sectional Technologies 302 Expired
US4959430A Polythiophenes, process for their preparation and their use Emerging Cross-Sectional Technologies 174 Expired
US6987663B2 Electrolytic capacitors with a polymeric outer layer Emerging Cross-Sectional Technologies 174 Expired
US4910645A Solid electrolytes, and electrolyte capacitors containing same Emerging Cross-Sectional Technologies 171 Expired
US6635729B1 Process for the preparation of water-soluble &pgr;-conjugated polymers Emerging Cross-Sectional Technologies 123 Expired
US5766515A Conductive coatings Emerging Cross-Sectional Technologies 111 Expired
US5035926A Method of imparting antistatic properties to a substrate by coating the substrate with a novel polythiophene Emerging Cross-Sectional Technologies 108 Expired
US4987042A Polythiophenes, process for their preparation and their use Emerging Cross-Sectional Technologies 99 Expired
US5370981A Antistatic plastic articles Emerging Cross-Sectional Technologies 94 Expired
US7377947B2 Electrolyte capacitors having a polymeric outer layer and process for their production Emerging Cross-Sectional Technologies 82 Active
US7341801B2 Polythiophenes having alkyleneoxythia thiophene units in electrolyte capacitors Emerging Cross-Sectional Technologies 74 Expired
US7785493B2 Polymer coatings having improved resistance to solvents Chemistry; Metallurgy 66 Active
US6369239B2 Process for the preparation of dialkylthiophenes and alkylenedioxythiophenes Emerging Cross-Sectional Technologies 62 Expired
US6083635A Conductive coatings Emerging Cross-Sectional Technologies 61 Expired
US5372924A Antistatic plastic moldings Chemistry; Metallurgy 60 Expired
US6528662B2 Process for the preparation of 3, 4-alkylenedioxythiophene-2,5-dicarboxylic acid derivatives Chemistry; Metallurgy 59 Expired
US6376105B1 Electroluminescent arrangements Emerging Cross-Sectional Technologies 58 Expired
US5403467A Process for through-hole plating of two-layer circuit boards and multilayers Electricity 57 Expired
US5443944A Photographic material Physics 56 Expired
US5312681A Sheet or web material having antistatic properties Emerging Cross-Sectional Technologies 55 Expired
US7449588B2 Methods of stabilizing thiophene derivatives Chemistry; Metallurgy 49 Active
US5575898A Process for through-hole plating of two-layer printed circuit boards and multilayers Electricity 49 Expired
US6358437B1 Screen printing paste for producing electrically conductive coatings Physics 45 Expired
US6391481B1 Auxiliary layers for electroluminescent assemblies Emerging Cross-Sectional Technologies 28 Expired
US7053174B2 Polythiophenes Emerging Cross-Sectional Technologies 27 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.