Processes for the manufacture of D(-)-3-hydroxybutyric acid and D(-)-3-hydroxybutyric acid producing mutants
Patent 4211846 Issued on July 8, 1980. Estimated Expiration Date: 
August 4, 1997. 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.
August 4, 1997. 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 3036959 3044942 InventorAssigneeApplicationNo. 05/821858 filed on 08/04/1977US Classes:435/141, Propionic or butyric acid435/146, Hydroxy carboxylic acid435/441, Mutation employing a chemical mutagenic agent435/444, By use of alkylating agent (e.g., nitrosoguanidine, etc.)435/445, By use of oxidative deamination agent (e.g., nitrous acid, etc.)435/448, Ultraviolet irradiation435/822, Using bacteria or actinomycetales435/829, Alcaligenes435/831, Azotobacter435/837Bacillus megateriumExaminersPrimary: Wiseman, Thomas G.Attorney, Agent or FirmInternational ClassesC07C 59/00 (20060101)C07C 59/01 (20060101) C12P 7/40 (20060101) C12P 7/42 (20060101) C12P 7/62 (20060101) Foreign Application Priority Data1976-08-04 CHAbstractThe invention relates to a process of manufacturing D(-)-3-hydroxybutyric acid by breeding microorganisms capable of producing said acid in a nutrient medium containing certain specific carbon source; bacterial strains especially suitable in carrying out the process; an application of the process for obtaining such microorganisms; and uses of thus produced acid.Other References
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