Westvaco Corporation
799Patents
0Active
799Granted
45Portfolio score
Filing activity: Jun 4, 1971 → Jul 12, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5416056A | Production of highly microporous activated carbon products | Emerging Cross-Sectional Technologies | 142 | Expired |
| US5710092A | Highly microporous carbon | Emerging Cross-Sectional Technologies | 119 | Expired |
| US5914294A | Adsorptive monolith including activated carbon and method for making said monlith | Emerging Cross-Sectional Technologies | 113 | Expired |
| US4531668A | Ovenable carton with removable lid | Performing Operations; Transporting | 111 | Expired |
| US5965483A | Highly microporous carbons and process of manufacture | Emerging Cross-Sectional Technologies | 105 | Expired |
| US4417655A | Shipping and display carton | Emerging Cross-Sectional Technologies | 104 | Expired |
| US6047829A | Unit dose packaging system (UDPS) having a child resistant locking feature | Performing Operations; Transporting | 102 | Expired |
| US4108350A | Carton with integral removable card | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4370199A | Enzymatic catalyzed biocide system | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4069063A | Cement composition | Chemistry; Metallurgy | 81 | Expired |
| US5626637A | Low pressure methane storage with highly microporous carbons | Emerging Cross-Sectional Technologies | 80 | Expired |
| US6152363A | Sleeve construction for improved paperboard cup insulation | Performing Operations; Transporting | 75 | Expired |
| US6054021A | Process of manufacturing authenticatable paper products | Emerging Cross-Sectional Technologies | 74 | Expired |
| USD297214S | Paperboard carton | General | 74 | Expired |
| US4478683A | Enzymatic catalyzed biocide system | Emerging Cross-Sectional Technologies | 71 | Expired |
| US6230893A | Unit dose packaging system (udps) having a child resistant locking feature | Performing Operations; Transporting | 71 | Expired |
| USD304016S | Tub for packaging food or the like | General | 70 | Expired |
| US5204310A | High activity, high density activated carbon | Emerging Cross-Sectional Technologies | 70 | Expired |
| US4677086A | Shaped wood-based active carbon | Performing Operations; Transporting | 67 | Expired |
| US6171373A | Adsorptive monolith including activated carbon, method for making said monolith, and method for adsorbing chemical agents from fluid streams | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4658036A | Invert emulsifiers for oil-base drilling muds | Chemistry; Metallurgy | 64 | Expired |
| US4930639A | Ovenable food container with removable lid | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6412636B1 | Unit dose packaging system with child resistance and senior friendly features | Performing Operations; Transporting | 61 | Expired |
| USD286745S | Packaging tray for food or the like | General | 61 | Expired |
| US5484100A | Tapered, hexagonal paperboard carton | Performing Operations; Transporting | 60 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.