Inventor · Hof, DE

Michael Merkel

22Patents
3h-index
27Co-inventors
63Inventor score

Filing activity: Dec 9, 1997 → May 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6117376A Method of making foam-filled composite products Emerging Cross-Sectional Technologies 83 Expired
US9364810B2 Chemical reactor with knitted wire mesh fabric as a holding device for particles Emerging Cross-Sectional Technologies 7 Active
US6331585A Formulations for making protective paints and coatings Chemistry; Metallurgy 6 Expired
US9260377B2 Method for producing nitrobenzene by adiabatic nitriding Chemistry; Metallurgy 3 Active
US8484918B2 Composite structural elements and method of making same Emerging Cross-Sectional Technologies 3 Active
US8753473B2 Composite structural elements and method of making same Emerging Cross-Sectional Technologies 2 Active
US9284256B2 Process for the production of nitrobenzene by adiabatic nitration Chemistry; Metallurgy 2 Active
US9012700B2 Method for continuous production of nitrobenzene Chemistry; Metallurgy 1 Active
US9469594B2 Method for stopping a reaction during the production of aromatic amines from nitroaromatics Chemistry; Metallurgy 1 Active
US9290438B2 Method for starting a reaction during the production of aromatic amines from nitroaromatics Emerging Cross-Sectional Technologies 1 Active
US9139510B2 Process for preparing aromatic amines Chemistry; Metallurgy 1 Active
US8560936B2 Methods and computer systems for displaying time variant tabular data Physics 1 Active
US12151997B2 Method for preparing an amine hydrochloride suspension Chemistry; Metallurgy 0 Active
US11174222B2 Multistep process for the preparation of diisocyanates Chemistry; Metallurgy 0 Active
US10843927B2 Energy-efficient method for providing a purified phosgene vapor Performing Operations; Transporting 0 Active
US11795260B2 Bulk material comprising solid diisocyanates and prepolymers containing urethane groups obtainable therefrom Chemistry; Metallurgy 0 Active
US10889539B2 Aniline purification process Chemistry; Metallurgy 0 Active
US11279670B2 Process for separating an organic isocyanate Emerging Cross-Sectional Technologies 0 Active
US10919845B2 Cleaning device for gas flows from isocyanate production Emerging Cross-Sectional Technologies 0 Active
US9266094B2 Catalyst and method for producing aromatic amines in the gas phase Emerging Cross-Sectional Technologies 0 Active
US9447021B2 Process for the purification of aniline from gas phase hydrogenations Chemistry; Metallurgy 0 Active
US9682917B2 Method for treating a substance mixture comprising an aromatic amine, in particular a substance mixture of raw aniline Chemistry; Metallurgy 0 Active

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