Werner Obrecht
100Patents
16h-index
144Co-inventors
89Inventor score
Filing activity: Oct 8, 1981 → Dec 5, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6127488A | Rubber mixtures which contain SBR rubber gels | Emerging Cross-Sectional Technologies | 118 | Expired |
| US5395891A | Rubber mixtures containing polybutadiene gel | Chemistry; Metallurgy | 117 | Expired |
| US6207757A | Rubber composition, method of adding and blending the composition and vehicle tire made from the composition | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6242534A | Rubber composition, method of formulating and blending the same and article and tires made therefrom | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6133364A | Rubber composition, method of formulating the composition and vehicle tire made from the composition | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6372857B1 | Microgel-containing rubber mixtures with masked bi-functional mercaptans and vulcanization products produced therefrom | Chemistry; Metallurgy | 53 | Expired |
| US4617605A | Carrier element for an IC module | Electricity | 42 | Expired |
| US4826721A | Laminated materials of pretreated fibre material and vulcanization products of hydrogenated nitrile rubber | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6184296A | Rubber mixtures containing surface-modified cross-linked rubber gels | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5124408A | Rubber mixtures containing sulfur-modified polychloroprene gel | Chemistry; Metallurgy | 25 | Expired |
| US6620866B1 | Rubber mixtures and vulcanizates containing agglomerated rubber gels | Chemistry; Metallurgy | 25 | Expired |
| US7737233B2 | Catalyst systems and their use for metathesis reactions | Chemistry; Metallurgy | 24 | Active |
| US6399706B1 | Microgel-containing rubber compounds which comprise sulfur-containing organosilicon compounds | Chemistry; Metallurgy | 24 | Expired |
| US5106260A | Method and an apparatus for singling stacked cards | Performing Operations; Transporting | 22 | Expired |
| US4484067A | Card identification system | Physics | 20 | Expired |
| US6737478B2 | Rubber gels and rubber compounds containing phenolic resin adducts | Chemistry; Metallurgy | 20 | Expired |
| US6632888B2 | Isocyanatosilane-and gel-containing rubber mixtures | Chemistry; Metallurgy | 15 | Expired |
| US5220045A | Process for the production of metal carboxylates and their use for the polymerization of monomers suitable for Ziegler-Natta polymerization | Chemistry; Metallurgy | 13 | Expired |
| US4937303A | Solution polymerization for the preparation of gel-free ethylene/vinyl acetate copolymers | Chemistry; Metallurgy | 13 | Expired |
| US6620886B2 | NBR gels in butyl rubber compounds | Chemistry; Metallurgy | 11 | Expired |
| US6579945B2 | Gel-containing rubber mixtures with inorganic peroxides | Chemistry; Metallurgy | 10 | Expired |
| US6015841A | Initiator systems containing vanadium tetrachloride for the (co)polymerization of isoolefins | Chemistry; Metallurgy | 8 | Expired |
| US5403566A | Recovery of hydrogenation catalysts from solutions of hydrogenated nitrile rubber | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6576731B2 | Polybutadienes with a reduced solution viscosity/mooney viscosity ratio | Chemistry; Metallurgy | 8 | Expired |
| US6649696B2 | Rubber mixtures based on uncrosslinked rubbers and crosslinked rubber particles and multifunctional isocyanates based on polyuret | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.