Hans Hasse
25Patents
8h-index
49Co-inventors
71Inventor score
Filing activity: May 12, 1999 → Dec 22, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7666813B2 | Absorption medium and deacidification of fluid streams | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7827820B2 | Thermodynamic machine and method for absorbing heat | Emerging Cross-Sectional Technologies | 16 | Active |
| US6867329B2 | Waste water treatment in a method for producing formic acid which is free of water | Performing Operations; Transporting | 15 | Expired |
| US7241365B2 | Material for a facility for the production of anhydrous formic acid | Chemistry; Metallurgy | 15 | Expired |
| US6841700B2 | Method for producing anhydrous formic acid | Chemistry; Metallurgy | 15 | Expired |
| US6833057B1 | Pure ethylene oxide distillation process | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6610888B1 | Reaction of a solution comprising a mixture | Chemistry; Metallurgy | 10 | Expired |
| US7390932B2 | Method for preparing highly concentrated, gaseous formaldehydes | Chemistry; Metallurgy | 8 | Expired |
| US6196811A | Contraction machine | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7414159B2 | Separation of liquid mixtures in a film evaporator | Chemistry; Metallurgy | 7 | Expired |
| US7671240B2 | Method for producing polyoxymethylene dimethyl ethers from methanol and formaldehyde | Chemistry; Metallurgy | 4 | Active |
| US6605192B1 | Method for producing highly pure monoethylene glycol | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6514388B1 | Method for producing highly pure monoethylene glycol | Chemistry; Metallurgy | 4 | Expired |
| US7700809B2 | Process for preparing polyoxymethylene dimethyl ethers from methanol and formaldehyde | Chemistry; Metallurgy | 3 | Active |
| US7999140B2 | Method for the production of polyoxymethylene dialkyl ethers from trioxan and dialkylethers | Chemistry; Metallurgy | 2 | Active |
| US8523979B2 | Removal of acid gases by means of an absorbent comprising a stripping aid | Performing Operations; Transporting | 1 | Active |
| US10377689B2 | Process for preparing polyoxymethylene dimethyl ethers from formaldehyde and methanol in aqueous solutions | Emerging Cross-Sectional Technologies | 1 | Active |
| US7713387B2 | Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification | Chemistry; Metallurgy | 1 | Active |
| US7345207B2 | Production of high-concentration formaldehyde solutions | Chemistry; Metallurgy | 1 | Expired |
| US6838579B2 | Utilization of an extracting agent as antifoaming agent in the production of anhydrous formic acid | Chemistry; Metallurgy | 1 | Expired |
| US9346727B2 | Process for the production of pure methylal | Chemistry; Metallurgy | 1 | Active |
| US7273955B2 | Method for thermal stabilization of highly concentrated formaldehyde solutions | Chemistry; Metallurgy | 1 | Expired |
| US7193115B2 | Highly concentrated formaldehyde solution, production and reaction thereof | Chemistry; Metallurgy | 1 | Expired |
| US10858330B2 | Method and an apparatus for separating furfural | Performing Operations; Transporting | 0 | Active |
| US6696603B2 | Method for cleaning off-gas flows | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.