| Patent Number |
Title Of Patent |
Date Issued |
| 5177229 |
Process for the preparation of esters |
January 5, 1993 |
| Alcohols and acids are esterified by means of liquid-phase equilibrium reactions on ion exchangers in an apparatus comprising a prereactor and a rectifying column with external reactors. The process is characterized by the fact that a portion of one of the starting compounds is fed direc |
| 4502992 |
Process for the continuous production of alkylesters of saturated aliphatic carboxylic acids |
March 5, 1985 |
| A process and apparatus for the continuous production of alkylesters of saturated aliphatic carboxylic acids by reacting olefins with carbon monoxide and alkanol in the presence of a catalyst consisting of a cobalt compound and a promoter selected from the group consisting of pyridine, |
| 4456778 |
Separating the chlorination products from the reaction gases obtained by the chlorination of met |
June 26, 1984 |
| The reaction gases from the chlorination of methane and preferably also methyl chloride, after removal of the HCl and drying, are subjected to the steps of partially condensing the dried stream of reaction gases at a pressure of 5-15 bars and at a temperature of 0.degree.-40.degree. C. |
| 4332645 |
Process for the separation of methanol from mixtures of tetrahydrofuran with methanol and water |
June 1, 1982 |
| A process for the continuous separation of methanol and water from a feed mixture containing predominantly tetrahydrofuran admixed with water, methanol and small amounts of additional compounds, in a rectifying apparatus having at last two rectifying columns, of which two are operated |
| 4219678 |
Process for preparing pure methyl tert.-butyl ether |
August 26, 1980 |
| Process for the preparation of pure methyl tert.-butyl ether. Isobutene or isobutene-containing hydrocarbon mixtures are reacted with methanol in a molar ratio of 1:1 to 1:2 in the liquid phase at temperatures of between 30.degree. and 100.degree. C. on sulfonated, strongly acidic, macro |
