Puropore, Inc.
5Patents
0Active
5Granted
26Portfolio score
Filing activity: Oct 12, 1978 → Mar 2, 1984
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4280970A | Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4333972A | Highly anisotropic membranes | Performing Operations; Transporting | 14 | Expired |
| US4450126A | High strength nylon blend membranes | Chemistry; Metallurgy | 13 | Expired |
| US4219517A | Process for spinning dense hollow fiber cellulosic membrane | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4477598A | High strength nylon blend membranes | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.