Frank Klippel
9Patents
2h-index
20Co-inventors
43Inventor score
Filing activity: Feb 19, 2004 → Mar 23, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7655279B2 | Carboxylate-containing polymers for metal surface treatment | Performing Operations; Transporting | 10 | Expired |
| US7879158B2 | Nitrogenous polymers for metal surface treatment | Performing Operations; Transporting | 4 | Active |
| US8420174B2 | Polymer composition for corrosion protection | Emerging Cross-Sectional Technologies | 2 | Active |
| US8268404B2 | Method for applying corrosion protection coatings to metal surfaces | Chemistry; Metallurgy | 2 | Active |
| US8568522B2 | Method of passivating metallic surfaces by means of copolymers having phosphoric acid and/or phosphonic acid groups | Chemistry; Metallurgy | 2 | Active |
| US7749337B2 | Method for the passivation of metal surfaces with polymers containing acid groups | Emerging Cross-Sectional Technologies | 1 | Active |
| US8002119B2 | Control of the thickening of silicate-containing aqueous systems | Emerging Cross-Sectional Technologies | 0 | Active |
| US8241745B2 | Essentially chromium-free method for passivating metallic surfaces consisting of Zn, Zn alloys, Al or Al alloys | Emerging Cross-Sectional Technologies | 0 | Active |
| US8394208B2 | Carboxylate-containing polymers for metal surface treatment | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.