Inventor · Roetgen, DE

Otto Lorenz

9Patents
5h-index
9Co-inventors
52Inventor score

Filing activity: Nov 7, 1977 → Dec 9, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US4342412A Tilt-box for guiding a continuously moving web Performing Operations; Transporting 18 Expired
US4673803A Method of detecting and evaluating identification codes on continuously moving webs Physics 17 Expired
US4172191A Process for the preparation of polyisocyanates addition products containing carboxylate groups Chemistry; Metallurgy 16 Expired
US5307973A Profiled rod for a web-spreading roller Performing Operations; Transporting 11 Expired
US4528323A Process for the preparation of aqueous dispersions of polyurethanes containing chemically fixed carboxylate and/or sulphonate groups Chemistry; Metallurgy 7 Expired
US4385137A Dispersions of polymers containing sulphonate groups, a process for the production thereof and their use as coating agents Emerging Cross-Sectional Technologies 5 Expired
US5025064A Process for the production of aqueous polyurethane dispersions Chemistry; Metallurgy 3 Expired
US4160753A Process for the production of polyamide-polyureas and dispersions thereof in water Performing Operations; Transporting 1 Expired
US5264519A Process for preparing polyurethanes with 4,4'-(.omega.-hydroxyalkoxy)-biphenyls Chemistry; Metallurgy 0 Expired

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