...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 |
| 4057437 | Continuous belt filter and filtration method An endless belt gravity filtration apparatus which includes a vacuum system for removing filter cake and for cleaning and keeping filter belt porous through reverse air flow on the endless belt filter. The belt filter has extensions along each of its cont... | 11/08/1977 |
| 4046590 | Process for the production of a colorless sugar syrup from cane molasses A process for producing a colorless low-ash, high-purity sugar syrup from cane molasses wherein centrifuged molasses is acidified and treated with an ion exclusion resin. The resin is then eluted with water, and fractions of similar compositions are combi... | 09/06/1977 |
| 4045242 | Process for the purification of sugarbeet juice and the reduction of lime salts therein A method for decalcifying raw sugar juice by the addition of active MgO to the final carbonation gassing vessel, carbonating to an alkalinity of about 0.01% CaO equivalent, and then re-alkalizing in a secondary reaction vessel with additional active MgO t... | 08/30/1977 |
| 4040861 | Process of refining enzymatically produced levulose syrups Refining process for removing impurities from enzymatically produced levulose syrups comprises treating the syrups with a strong acid cation exchange resin, a weak base anion exchange resin, and sulfonated coal which has decolorizing ability. The process ... | 08/09/1977 |
| 4025357 | Ion exchange enrichment of impure dextrose solutions Mother liquors obtained from a dextrose crystallization process may be upgraded for re-cycling to dextrose crystallizers by transferring the mother liquor through a bed of an adsorption agent which preferentially adsorbs either dextrose or oligosaccharide... | 05/24/1977 |
| 3994743 | Clarification and treatment of sugar juice Method and apparatus for treating fresh, unheated sugar cane juice which involves adding a sufficient amount of an aqueous alkaline slurry containing powdered active carbon to the juice to raise the pH of the juice to 6.8-8.5. The resulting mud is separat... | 11/30/1976 |