Inventor · Cologne, DE

Werner Waldenrath

26Patents
11h-index
36Co-inventors
67Inventor score

Filing activity: Aug 15, 1984 → Mar 31, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US4982014A Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates Chemistry; Metallurgy 178 Expired
US5126428A Polycarbonate from dihydroxy diphenyl cycloalkane Chemistry; Metallurgy 61 Expired
US5227458A Polycarbonate from dihydroxydiphenyl cycloalkane Emerging Cross-Sectional Technologies 39 Expired
US5055345A Multilayer composite material Emerging Cross-Sectional Technologies 22 Expired
US4888243A Process for antistatic treatment of plastic mouldings Emerging Cross-Sectional Technologies 19 Expired
US4876033A Moulded bodies containing carbon Chemistry; Metallurgy 18 Expired
US5076987A Process for the production of optically isotropic extrusion films Performing Operations; Transporting 16 Expired
US4707396A Laminates Emerging Cross-Sectional Technologies 15 Expired
US4859263A Process for the manufacture of printed circuits Electricity 14 Expired
US4607070A Polyether-copolycarbonates for dialysis membranes Performing Operations; Transporting 14 Expired
US4654411A High molecular weight polyesters, preparation and use thereof Chemistry; Metallurgy 12 Expired
US4806412A Laminates Emerging Cross-Sectional Technologies 11 Expired
US5207961A Injection-moulded article and process for the production thereof Performing Operations; Transporting 11 Expired
US4791016A Stretched polycarbonate films filled with carbon black Emerging Cross-Sectional Technologies 11 Expired
US4563516A Polyether-polycarbonates for dialysis membranes Performing Operations; Transporting 9 Expired
US4629637A Coated optically isotropic or monoaxially film of plastic Emerging Cross-Sectional Technologies 7 Expired
US5236657A Process for producing multi-layer mouldings Performing Operations; Transporting 7 Expired
US4786708A Use of films of polycondensates Emerging Cross-Sectional Technologies 7 Expired
US4908430A Use of special polyimides as cast films and coatings Chemistry; Metallurgy 5 Expired
US4902573A Method for antistatic finishing of adhesive thermoplastic coatings Emerging Cross-Sectional Technologies 5 Expired
US4828901A Injection-moulded article and a process for the production thereof Emerging Cross-Sectional Technologies 4 Expired
US5056617A Diaphragm for loudspeaker Electricity 4 Expired
US5037220A Printing ribbon comprising polycondensates Emerging Cross-Sectional Technologies 2 Expired
US4970108A Multilayer films from the use in crash pads Emerging Cross-Sectional Technologies 2 Expired
US5140056A Alkali or alkaline earth salts of sulfosuccinic acid esters as internal antistatic agents, take-off and winding aids for transparent polycarconate films Emerging Cross-Sectional Technologies 1 Expired

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