Hudson Pulp & Paper Corp.
10Patents
0Active
10Granted
31Portfolio score
Filing activity: Jan 8, 1975 → Oct 18, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3984215A | Electrostatic precipitator and method | Emerging Cross-Sectional Technologies | 94 | Expired |
| US4085851A | Coating for multi-wall bags | Performing Operations; Transporting | 12 | Expired |
| US4098673A | Method and apparatus for removing colloidal suspensions from a liquid | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4140609A | Process for removing colloidal suspensions from a liquid | Textiles; Paper | 8 | Expired |
| US4181068A | Apparatus for producing paper towels | Performing Operations; Transporting | 7 | Expired |
| US4120748A | Digester system for delivering wood chips in an even layer into a digester | Textiles; Paper | 3 | Expired |
| US4293990A | Method of making embossing roll for producing paper towels | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4238285A | Digester system for delivering wood chips in an even layer into a digester | Performing Operations; Transporting | 1 | Expired |
| US4101535A | Method and apparatus for recovering saponified tall oil | Chemistry; Metallurgy | 0 | Expired |
| US4088638A | Method and apparatus for recovering saponified oil | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.