Inventor · Heidelberg, DE

Markus Siegert

14Patents
3h-index
42Co-inventors
52Inventor score

Filing activity: Jun 8, 2004 → Dec 13, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7393978B2 Method for producing ethylene-amines Chemistry; Metallurgy 16 Expired
US7754900B2 Method for the production of dioxolane Emerging Cross-Sectional Technologies 14 Active
US8088950B2 Process for the preparation of triamides from ammonia and amido-dichlorides Chemistry; Metallurgy 3 Active
US7670464B2 Method for the distillative separation of a mixture containing vinyl ether and alchol Emerging Cross-Sectional Technologies 3 Active
US8329951B2 Process for preparing diphenylmethanediamine Chemistry; Metallurgy 2 Active
US7713387B2 Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification Chemistry; Metallurgy 1 Active
US7381851B2 Method for producing formaldehyde Mechanical Engineering; Lighting; Heating 1 Expired
US8530678B2 Trioxane production method wherein a side aqueous flow is deducted at a first distillation stage Chemistry; Metallurgy 0 Active
US8378144B2 Process for preparing polyoxymethylene homopolymers or copolymers by homopolymerization or copolymerization of trioxane, starting from methanol Chemistry; Metallurgy 0 Active
US7601875B2 Method for producing ethyleneamines Chemistry; Metallurgy 0 Expired
US8759585B2 Two-stage process for cost-effective deposition of homogeneous catalysts in MDA synthesis Chemistry; Metallurgy 0 Active
US8350063B2 Method for separating tioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification Chemistry; Metallurgy 0 Active
US8450507B2 Integrated method for the preparation of trioxane from formaldehyde Emerging Cross-Sectional Technologies 0 Active
US8372993B2 Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification Performing Operations; Transporting 0 Active

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