Inventor · Meckenheim, DE

Hans Renz

24Patents
7h-index
53Co-inventors
68Inventor score

Filing activity: Apr 11, 1990 → Aug 29, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6617413B1 Coating agents which can be hardened by the addition of isocyanate groups as well as by the radiation-induced addition of activated c-c double covalent bonds Emerging Cross-Sectional Technologies 77 Expired
US5576386A Continuous polymerization of vinyl monomers Performing Operations; Transporting 38 Expired
US5135963A Aqueous dispersions of polyurethanes which are crosslinkable by the action of high energy radiation Chemistry; Metallurgy 25 Expired
US5391631A Vinyl polymers produced by a two-stage procedure and their use as surface coating binders Chemistry; Metallurgy 18 Expired
US5369207A Preparation of low-viscosity, isocyanurate and urethane group-containing polyisocyanate mixtures Chemistry; Metallurgy 11 Expired
US5641851A Preparation of biuret-containing polyisocyanates Chemistry; Metallurgy 10 Expired
US5744569A One-component and two-component polyurethane coating compositions Emerging Cross-Sectional Technologies 10 Expired
US5442090A Radiation-curable urethane acrylate compounds containing amine and urea groups Chemistry; Metallurgy 7 Expired
US6416686B2 Polyisocyanates Chemistry; Metallurgy 5 Expired
US7339020B2 High-functionality polyisocyanates Chemistry; Metallurgy 3 Expired
US6627726B1 Compositions containing highly viscous polyisocyanates Chemistry; Metallurgy 3 Expired
US5496591A Radiation-curable binders Chemistry; Metallurgy 2 Expired
US6414184B1 Process for producing polyisocyanates containing biuret groups from (cyclo)aliphatic diisocyanates Chemistry; Metallurgy 2 Expired
US7022874B2 Preparation of biuret-containing polyisocyanates Chemistry; Metallurgy 2 Expired
US6805830B1 Method for producing a sensor element Physics 2 Expired
US6007752A Production of sheet-like polyurethane moldings Chemistry; Metallurgy 2 Expired
US6022938A Compounds with isocyanate groups and masked groups reactive in relation to isocyanates Chemistry; Metallurgy 2 Expired
US5554787A 2,2-dialkylpentane 1,5-diisocyanates, 2,2-dialkylpentane 1,5-diurethanes and 2,2-dialkylpentane 1,5-dicarbamoyl chlorides, and their preparation and use Chemistry; Metallurgy 2 Expired
US6187893A Two-component polyurethane systems which contain reactive diluents Chemistry; Metallurgy 2 Expired
US6566481B2 Polyisocyanates with allophanate groups derived from alicyclic alkanediols Emerging Cross-Sectional Technologies 2 Expired
US5780542A Water-emulsifiable polyisocyanates Chemistry; Metallurgy 1 Expired
US5587421A Mixtures containing water-emulsifiable isocyanates Emerging Cross-Sectional Technologies 1 Expired
US6433124B1 Reactive polymers and isocyanate-reactive polymers obtainable therefrom Chemistry; Metallurgy 1 Expired
US6538096B2 Storage-stable polyisocyanates Emerging Cross-Sectional Technologies 0 Expired

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