Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 5684071 | Additive for thermpolastic resins and flame retardant resin composition An additive having an improved dispersibility or adhesion property to thermoplastic resins and useful for imparting an excellent flame resistance and other properties thereto without deteriorating properties that the thermoplastic resins originally posses... | 11/04/1997 |
| 5330618 | Process for separating dissolved solids from a liquid using an anti-solvent and multiple effect evaporators A process and system for treating aluminum salt cake containing water soluble halide salts by contacting the salt cake with water to dissolve water soluble halide salts forming a saturated brine solution. Transporting a portion of about 25% of the saturat... | 07/19/1994 |
| 5096678 | Method and apparatus for beneficiating ores A method and apparatus for treating mineral-bearing ores and, more particularly, for treating ores containing precious metals, base metals and the like values by providing a means to extract the metal or other values from a particulated ore by classifying... | 03/17/1992 |
| 5055283 | Method of removing sodium polysulfide from used sodium/sulfur batteries A method for removing sodium polysulfide from used sodium/sulfur batteries provides that the cells are granulated under protective measures, the scrap is treated in a solution of sodium cyanide and the solution obtained is treated with air. The solution t... | 10/08/1991 |
| 4724130 | Recovery of promoters used in flue gas desulfurization In flue gas desulfurization, sorbent promoters are recovered by mixing collected particulates with water to form a slurry. The slurry is dewatered and wet solids are disposed. The recovered material contains water soluble desulfurization promoters and is ... | 02/09/1988 |
| 4655828 | Separation of metallic lithium Lithium metal is separated from lithium salts in spent torpedo boiler fuel by solubilizing said salts in a solution of a Lewis acid such as boron trifluoride in a polar solvent such as 1,2-dimethoxyethane followed by subsequent separation of the constitue... | 04/07/1987 |
| 4533536 | Process for the manufacture of potassium sulphate by treating solutions containing magnesium chloride and potassium chloride Process for the manufacture of potassium sulphate from solutions containing magnesium chloride and potassium chloride from solutions, more particularly from mother liquors issuing from the treatment of carnallite. According to this process sodium sulphate... | 08/06/1985 |
| 4483830 | Production of alumina A process for recovery of alumina and soda from materials containing sodium aluminosilicates, such as red mud and desilication products, comprises treating said materials with lime at elevated temperature and pressure. In a preferred embodiment of the inv... | 11/20/1984 |
| 4402850 | Method of producing a liquid agent for improving the quality of contaminated water A method is disclosed of producing a liquid agent for improving the quality of contaminated water, particularly water in pools, natural bodies of water and waste waters, characterized by introducing with agitation comminuted rock-salt clay or a mixture th... | 09/06/1983 |
| 4210421 | Method for reducing kcl tailings loss from evaporation Disclosed is an improved method of concentrating with respect to a first salt an aqueous solution containing the first salt and a second salt, the solubility of the first salt increasing more with increasing temperatures than the solubility of the second ... | 07/01/1980 |
| 4126519 | Apparatus and method for thermal treatment of organic carbonaceous material An apparatus and method for performing a continuous thermal treatment of organic carbonaceous materials under controlled pressure in which the feed material is introduced into the system in the form of a slurry, and the level of liquid is maintained at a ... | 11/21/1978 |
