Preparation of porous carbon
Patent 4263268 Issued on April 21, 1981. Estimated Expiration Date: 
November 20, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 20, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1867435 3111396 3446593 3574548 3666526 Production of space abrasion-resistant active carbon carriers or catalysts Patent #: 4206078 InventorsAssigneeApplicationNo. 06/096236 filed on 11/20/1979US Classes:423/454, Hot particulate bed or reaction zone lining or refactory264/29.1, CARBONIZING TO FORM ARTICLE423/445R, Elemental carbon423/448, Graphite502/400, SOLID SORBENT502/405, Inorganic gel containing (e.g., silicagel)502/413, Free carbon containing502/415, Alumina (i.e., dialuminum trioxide)502/418Process utilizing solid or liquid source carbonizable material, or product thereofExaminersPrimary: Meros, Edward J.Attorney, Agent or FirmInternational ClassesB01J 20/20 (20060101)B01J 21/18 (20060101) B01J 21/00 (20060101) Foreign Application Priority Data1978-11-21 GBAbstractPorous carbon, suitable for instance for chromatography and as a catalyst support is formed by depositing carbon into the pores of a porous inorganic template such as silica gel, porous glass or a porous oxide, e.g. alumina, and thereafter removing the template as by dissolution or evaporation. Carbon is preferably deposited as a polymerizable organic material that is polymerized in situ in the template pores and then pyrolyzed to carbon.Other References
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