Sorbent and method of manufacturing same
Abstract
Abstract THIS INVENTION IS FOR A SORBENT WHICH COMPRISES AN ACTIVE FILLER AND AN ACTIVE BINDER, THE FILLER COMPRISING A BIOLOGICAL SUBSTANCE, SUCH AS TELOMIC PLANTS OR ALGAE, AND THE BINDER COMPRISING A WATER-INSOLUBLE HYDROPHILIC POLYMER WHICH PREFERABLY CONTAINS SIDE GROUPS OR SUBSTITUENTS WHICH IMPART DESIRABLE SORPTION PROPERTIES THEREIN WHILE AT THE SAME TIME ACTING AS AN AGGLOMERATING MEANS FOR THE ACTIVE FILLER, THAT IS, THE BIOLOGICAL SUBSTANCE AND SHAPING OR PELLETIZING OF THE MIXTURE. THE METHOD OF MANUFACTURING THE SORBENTS INCLUDES MIXING DRIED AND POWDERED BIOLOGICAL SUBSTANCE WITH A SOLUTION OF THE WATER-INSOLUBLE, HYDROPHILIC POLYMER IN A SOLVENT MISCIBLE WITH WATER, COAGULATING THE MIXTURE IN AN AQUEOUS COAGULATING BATH AND SIMULTANEOUSLY REMOVING THE SOLVENT FROM THE SOLID COAGULATED MIXTURE.
Inventors
- 👤 C Serbus
- 👤 J Rezac
- 👤 L Krejdirik
- 👤 A Stoy
- 👤 S Pribil
- 👤 P Marvan
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |