Patent ID: 6541598
Filing Date: 2003-04-01
Classification: B01J,C08G

Abstract:
A process comprising contacting, in the presence of a catalyst, a carbonyl compound with an alcohol wherein said catalyst comprises or is produced by combining (1) a titanium compound, a solubility promoter, a phosphorus source, optionally a first solvent, optionally a phosphorus compound, and optionally a second solvent; (2) a titanium compound, a glycol, and either a phosphorus compound or water; or (3) combinations of (1) and (2); said solubility promotor is selected from the group consisting of ortho silicates, ortho zirconates, a combinations thereof; said phosphorus source is selected from the group consisting of a phosphonic acid, a phosphinic acid, a phosphine, and combinations of two or more thereof; and said phosphorus compound is selected from the group consisting of a polyphosphoric acid or a salt thereof, a phosphonate ester, a pyrophosphoric acid or salt thereof, a pyrophosphorous acid or salt thereof, and combinations of two or more thereof.