Anthony N. Speca
54Patents
18h-index
34Co-inventors
84Inventor score
Filing activity: Jun 9, 1977 → May 1, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6140432A | Polymerization catalyst systems, their production and use | Chemistry; Metallurgy | 44 | Expired |
| US5891814A | Nonwoven fabrics | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6368999B1 | Highly active supported catalyst compositions | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6664348B2 | Highly active supported catalyst compositions | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6576306B2 | Propylene polymers for films | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5786291A | Engineered catalyst systems and methods for their production and use | Emerging Cross-Sectional Technologies | 35 | Expired |
| US7375169B1 | Method for catalyst preparation and improved polyethylene blow molding resin | Chemistry; Metallurgy | 34 | Active |
| US5863853A | Polymerization catalyst systems, their production and use | Emerging Cross-Sectional Technologies | 34 | Expired |
| US7262259B2 | Method of preparing a treated support | Chemistry; Metallurgy | 33 | Active |
| US5064796A | Support adjuvant for improved vanadium polymerization catalyst | Chemistry; Metallurgy | 32 | Expired |
| US6124230A | Polymerization catalyst systems, their production and use | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6114479A | Polymerization catalyst systems, their production and use | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6583227B2 | Propylene polymers for films | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6117955A | Polymerization catalyst systems, their production and use | Chemistry; Metallurgy | 27 | Expired |
| US5625015A | Method for making supported catalyst systems and catalyst systems therefrom | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4981826A | Polymerization catalyst prepared with a halogenated silane compound | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6846770B2 | Highly active supported catalyst compositions | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6087291A | Polymerization catalyst systems | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4513095A | Intermetallic compounds of polymeric transition metal oxide alkoxides and catalytic use thereof | Chemistry; Metallurgy | 17 | Expired |
| US4610974A | Intermetallic compounds of Lewis base bridged transition metal-reducing metal complexes and catalytic use thereof | Chemistry; Metallurgy | 14 | Expired |
| US5665665A | Method for making supported catalyst systems and catalyst systems therefrom | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6524988B2 | Highly active supported catalyst compositions | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5552358A | Polymerization catalyst systems, their production and use | Chemistry; Metallurgy | 12 | Expired |
| US5688734A | Method for producing prepolymerized, supported metallocene catalyst systems | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6806316B2 | Propylene polymers for oriented films | Emerging Cross-Sectional Technologies | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.