Process for the production of 3,3-dimethylglutaric acid or its esters
Patent 4433163 Issued on February 21, 1984. Estimated Expiration Date: 
May 24, 2002. 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.
May 24, 2002. 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 1972579 1974917 2971915 3012038 3646126 Process for converting cyclopentane to glutaric acid Process for producing difunctional aliphatic organic compounds Production of malonic anhydrides and derivatives thereof Patent #: 4360691 InventorAssigneeApplicationNo. 06/381342 filed on 05/24/1982US Classes:560/204, Preparing esters by esterification or carbonylation562/528, Cyclic ketone or mixture thereof with cyclic alcohol562/590PolycarboxylicExaminersPrimary: Trousof, NatalieAssistant: Clarke, Vera C. Attorney, Agent or FirmInternational ClassC07C 51/34 (20060101)Foreign Application Priority Data1981-05-27 CHAbstractProcess for the production of 3,3-dimethylglutaric acid or its esters from dimedone. Dimedone is converted with ozone into an ozone-addition product. The latter is converted by hydrolysis into 3,3-dimethylglutaric acid or by alcoholysis into one of its esters.Other References
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