Cobarr, S.p.A.
10Patents
4Active
10Granted
36Portfolio score
Filing activity: Nov 12, 1986 → Apr 26, 2012 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5049647A | Method for the reduction of impurities in polyester resins | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5073203A | Method for recycling polyethylene terephthalate (PET) beverage bottles by treating with carbon dioxide | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4764323A | Method of treating hollow articles, in particular polyethylene terephthalate preforms | Performing Operations; Transporting | 30 | Expired |
| US7226648B2 | Flexible bottles of polyester resin | Emerging Cross-Sectional Technologies | 17 | Expired |
| US8293850B2 | Continuous process for solid phase polymerisation of polyesters | Performing Operations; Transporting | 2 | Active |
| US7182985B1 | Recyclable multi-layer material of polyester resin | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7048981B2 | Transparent polyester resins and articles therefrom | Emerging Cross-Sectional Technologies | 0 | Expired |
| USRE42925E1 | Polyester resin blends with high-level gas barrier properties | General | 0 | Active |
| US8454896B2 | Radial mixing devices for rotating inclined reactors | Performing Operations; Transporting | 0 | Active |
| US8454865B2 | Radial mixing devices for rotating inclined reactors | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.