Gerhard Wegener
22Patents
7h-index
43Co-inventors
69Inventor score
Filing activity: Jul 12, 1982 → Aug 13, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6734133B1 | Surface-modified mixed oxides containing precious metal and titanium, for the selective oxidation of hydrocarbons | Performing Operations; Transporting | 19 | Expired |
| US8097751B2 | Process for preparing polyisocyanates by the adiabatic phosgenation of primary amines | Chemistry; Metallurgy | 18 | Active |
| US6706902B2 | Continuous process for the synthesis of nano-scale precious metal particles | Performing Operations; Transporting | 17 | Expired |
| US6395934B1 | Raney nickel catalysts, a method for producing said raney nickel catalysts and the use of the same for hydrogenating organic compounds | Performing Operations; Transporting | 15 | Expired |
| US6649798B2 | Method for production of diaminodiphenylmethanes | Chemistry; Metallurgy | 13 | Expired |
| US6504040B1 | Integrated method for producing epoxides from olefins | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6753287B1 | Sol-gel hybrid materials containing precious metals as catalysts for partial oxidation of hydrocarbons | Chemistry; Metallurgy | 8 | Expired |
| US6548682B1 | Method for the direct catalytic oxidation of unsaturated hydrocarbons in gaseous phase | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4405527A | Process for the preparation of polyisocyanates | Chemistry; Metallurgy | 5 | Expired |
| US6504039B2 | Supported catalyst and the process for preparing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6603028B1 | Method for oxidizing hydrocarbons | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7517829B2 | Process for the production of Raney nickel catalysts and their use in the hydrogenation of organic compounds | Performing Operations; Transporting | 4 | Active |
| US6995113B1 | Catalysts which are based on organic-inorganic hybrid materials containing noble metals and titanium and which are used for selectively oxidizing hydrocarbons | Performing Operations; Transporting | 3 | Expired |
| US6770765B2 | Catalyst | Chemistry; Metallurgy | 3 | Expired |
| US6242656A | Method for producing a dinitronaphthalene-isomer mixture having a high 1,5-dinitronaphthalene proportion | Chemistry; Metallurgy | 3 | Expired |
| US4761498A | Diisocyanates and diisocyanate mixtures based on diphenylmethane, processes for their production and their use as isocyanate component in the production of polyurethane plastics by the isocyanate polyaddition process | Chemistry; Metallurgy | 3 | Expired |
| US4698424A | Isocyanato-isocyanurate derivatives | Chemistry; Metallurgy | 2 | Expired |
| US6271414A | Process for the isomeric separation of isocyanates | Chemistry; Metallurgy | 1 | Expired |
| US7271116B2 | Catalyst | Chemistry; Metallurgy | 0 | Expired |
| US7456303B2 | Catalyst | Chemistry; Metallurgy | 0 | Active |
| US6737554B2 | Process for the production of a dinitronaphthalene isomer mixture with a high proportion of 1,5-dinitronaphthalene | Chemistry; Metallurgy | 0 | Expired |
| US6538158B2 | Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminoNaphthalene | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.