Process for making aldehydes from ketals
Patent 4447648 Issued on May 8, 1984. Estimated Expiration Date: 
August 31, 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.
August 31, 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 2429875 2555950 2759979 3356734 3928459 Conversion of acetals Reaction of methanol with synthesis gas Patent #: 4201868 InventorApplicationNo. 06/413466 filed on 08/31/1982US Classes:568/484, Reactant contains -COO- group568/451, Hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen568/478Ag, Au, Pd, Pt, Rh, Ir, Ru, or Os containing catalyst utilizedExaminersPrimary: Lone, Werren B.Attorney, Agent or FirmInternational ClassesC07C 29/00 (20060101)C07C 29/10 (20060101) C07C 45/00 (20060101) C07C 45/51 (20060101) C07C 45/49 (20060101) AbstractSaturated aliphatic aldehydes are prepared by contacting acetals or ketals with synthesis gas and a Group VIII compound, preferably a cobalt compound.Other References
Field of SearchAg, Au, Pd, Pt, Rh, Ir, Ru, or Os containing catalyst utilizedOxy or peroxy containing reactant Group VA element (N, P, As, Sb, or Bi) containing material utilized (e.g., arsenic containing ligand utilized, etc.) Hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen |
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