Inventor · Mequon, WI, US

John E. Sawicki

11Patents
6h-index
16Co-inventors
63Inventor score

Filing activity: Mar 24, 1975 → Feb 7, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5250193A Wet oxidation of aqueous streams Emerging Cross-Sectional Technologies 42 Expired
US4597875A Precipitative removal of nitrocresols from dinitrotoluene waste streams Emerging Cross-Sectional Technologies 17 Expired
US6506948B1 Toluene extraction of dinitrotoluene wash water Chemistry; Metallurgy 12 Expired
US4361712A Cyanide reduction in nitroaromatic process Chemistry; Metallurgy 10 Expired
US6395188B1 Treatment of water containing organic wastes with ammonium nitrate Emerging Cross-Sectional Technologies 9 Expired
US4367347A High purity 2,4-dinitrotoluene from toluene nitration process Chemistry; Metallurgy 9 Expired
US4650912A Recovery of nitric acid from nitration spent acid by toluene extraction Chemistry; Metallurgy 6 Expired
US6332986A Treatment of water containing organic wastes with ammonium nitrate Emerging Cross-Sectional Technologies 6 Expired
US5356539A Tandem waste stream treatment for the removal of nitroaromatics and nitrophenolics Emerging Cross-Sectional Technologies 6 Expired
US3992293A Method of filtering liquids containing dissolved carbon dioxide Emerging Cross-Sectional Technologies 3 Expired
US4228188A Method of mashing and lautering Chemistry; Metallurgy 0 Expired

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