Hans-Norbert Marx
18Patents
9h-index
15Co-inventors
69Inventor score
Filing activity: Dec 29, 1980 → Apr 4, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4461721A | Wood preservative | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4857322A | Wood preservative | Performing Operations; Transporting | 38 | Expired |
| US6464764B1 | Protective agents for wood | Performing Operations; Transporting | 34 | Expired |
| US4442157A | Fireproofing composition and door rabbet coated therewith | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5078912A | Wood preservative | Performing Operations; Transporting | 27 | Expired |
| US4774268A | Process for the preparation of flame resistant polyurethane compositions | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4761179A | Wood preservatives | Performing Operations; Transporting | 19 | Expired |
| US4759872A | Wood preservatives | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4871473A | Wood preservative | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5179116A | Wood preservatives | Performing Operations; Transporting | 6 | Expired |
| US4764214A | Wood preservatives containing 2-iodobenzanilide | Performing Operations; Transporting | 5 | Expired |
| US4716054A | Accelerated fixing of chromate-containing wood preservative salts | Performing Operations; Transporting | 4 | Expired |
| US4908362A | Salt of a substituted morpholine with fluoboric acid, fungicidal composition and use | Performing Operations; Transporting | 3 | Expired |
| US6348089B1 | Compositions and process for the protective treatment of wood | Performing Operations; Transporting | 3 | Expired |
| US4547366A | Aqueous wood preservative | Chemistry; Metallurgy | 3 | Expired |
| US9328359B2 | Fermentation process for producing chemicals | Emerging Cross-Sectional Technologies | 3 | Active |
| US4567277A | Salts of 2-(methoxy-carbonylamino)-benzimidazole | Human Necessities | 2 | Expired |
| US10119152B2 | Fermentation process for producing chemicals | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.