Production of organic acids by a continuous fermentation process
Patent 4506012 Issued on March 19, 1985. Estimated Expiration Date: 
March 11, 2003. 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.
March 11, 2003. 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 ReferencesHigh loading of immobilized enzymes on activated carbon supports Acetic acid by fermentation Immobilization of biocatalysts on granular carbon Patent #: 4438196 InventorAssigneeApplicationNo. 06/474412 filed on 03/11/1983US Classes:435/139, Lactic acid435/136, Containing a carboxyl group435/140, Acetic acid435/176, Enzyme or microbial cell is immobilized on or in an inorganic carrier435/177, Enzyme or microbial cell is immobilized on or in an organic carrier435/178, Carrier is carbohydrate435/179Carbohydrate is cellulose or derivative thereofExaminersPrimary: Rosen, SamAttorney, Agent or FirmInternational ClassesC12P 1/00 (20060101)C12N 11/00 (20060101) C12P 7/40 (20060101) C12N 11/14 (20060101) C12P 7/54 (20060101) C12P 7/56 (20060101) C12N 11/02 (20060101) C12N 1/38 (20060101) AbstractAn improved process for preparing organic acids by a continuous homoacidogenic fermentation is disclosed. This process provides increased volumetric productivity of the acid by employing a microorganism growing on the surface of a support material such as activated carbon or corn cob granules. |
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