Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 5599976 | Recovery of acetic acid from dilute aqueous streams formed during a carbonylation process A method is provided to improve the quality of recycle of certain residues by modifying the separation of alkanes and alkane-like materials and carbonyl-containing impurities from the recycle during the manufacture of acetic acid by the carbonylation of m... | 02/04/1997 |
| 5352415 | Control system for acetic acid manufacturing process A novel control system is provided to control the liquid levels in a reactor-flasher combination used particularly for the carbonylation of methanol to acetic acid. Liquid level control is achieved by proportional controllers or other controllers which do... | 10/04/1994 |
| 5332710 | Vinyl acetate catalyst preparation method A method of preparing a catalyst particularly useful in the reaction of ethylene, oxygen and acetic acid in the vapor phase to form vinyl acetate comprises impregnating a porous support with water soluble salts of palladium and gold, fixing the palladium ... | 07/26/1994 |
| 5314858 | Vinyl acetate catalyst preparation method A method of preparing a catalyst particularly useful in the reaction of ethylene, oxygen and acetic acid in the vapor phase to form vinyl acetate comprises impregnating a porous support with water soluble salts of palladium and gold, fixing the palladium ... | 05/24/1994 |
| 5300685 | Removal of halide impurities from organic liquids A method is provided for removing iodide compounds, particularly alkyl iodide compounds, from iodine-containing liquids, particularly carboxylic acids and anhydrides manufactured by the carbonylation of alcohols, ethers, esters, and the like in the presen... | 04/05/1994 |
| 5120855 | Formation of hydroxyaromatic ketoacetal from a hydroxyaromatic methylketone and production of 5-(4'-hydroxyphenyl)hydantoin and Dp-hydroxyphenylglycine from 4-hydroxyacetophenone The present invention provides a method for producing a hydroxyaromatic ketoacetal from a hydroxyaromatic methylketone. The invention further provides a method for producing a hydroxyaromatic ketoaldehyde from a hydroxyaromatic ketoacetal. The hydroxyarom... | 06/09/1992 |
