Inventor · Heidelberg, DE

Robert Heger

10Patents
5h-index
31Co-inventors
55Inventor score

Filing activity: Sep 18, 1999 → May 29, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6844377B1 Polymer particles containing dye Chemistry; Metallurgy 31 Expired
US6531117B2 Aqueous dispersion of water-insoluble organic UV filter substances Emerging Cross-Sectional Technologies 25 Expired
US7687071B1 Nanoparticulate core shell systems and the use thereof in pharmaceutical and cosmetic preparation Human Necessities 23 Expired
US6494924B1 Precipitated water-insoluble colorants in colloid disperse form Textiles; Paper 19 Expired
US6599931B1 Test system for characterizing the compatibility of bioactive substances and polyvinylpyrrolidone Human Necessities 13 Expired
US6624219B1 Surface active random radical (co)polymer and dispersion method for using the same Chemistry; Metallurgy 3 Expired
US7393840B2 Formulation based on heparin, glycosaminoglycan or heparinoid, use of the formulation and the formulation base Human Necessities 3 Expired
US8470347B2 Self-emulsifying active substance formulation and use of this formulation Performing Operations; Transporting 2 Active
US6649721B1 Defoamer and/or deaerator based on oil-in-water dispersions Performing Operations; Transporting 2 Expired
US8197829B2 Self-emulsifying active substance formulation and use of this formulation General 0 Revoked

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