Frederick C. Hansen
9Patents
6h-index
16Co-inventors
60Inventor score
Filing activity: Aug 12, 1974 → Oct 29, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3971315A | Macroporous microporous marking structure | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5058523A | Warning device | Performing Operations; Transporting | 26 | Expired |
| US4598118A | Coatings containing an alphaolefin terpolymer | Chemistry; Metallurgy | 10 | Expired |
| US6355727B1 | Continuous bulk polymerization and esterification process | Textiles; Paper | 8 | Expired |
| US4936244A | Warning device | Performing Operations; Transporting | 6 | Expired |
| US4623692A | Process for preparing an aqueous cut of a ligand-free monomer/maleic anhydride polymer and product | Chemistry; Metallurgy | 6 | Expired |
| US6858678B2 | Continuous bulk polymerization and esterification process and compositions including the polymeric product | Textiles; Paper | 6 | Expired |
| US6020061A | Emulsion polymerization using polymeric surfactants | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4730019A | Process for preparing an aqueous cut of a ligand-free monomer/maleic anhydride polymer and product | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.