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| Number | Title | Issue Date |
| 6419887 | Process for the treatment of residual liquors from the ammoniation and carbonation of alkali metal salts A process for the treatment of residual liquors from the ammoniation and carbonation of alkali metal salts containing ammonium salts, sodium salts, soluble sodium bicarbonate, ammonium bicarbonate and water and producing purified ammonium salts, comprisin... | 07/16/2002 |
| 6066606 | Blooming type cleaning compositions including a system of amphoteric and nonionic surfactants The blooming type, hard surface cleaning concentrate compositions according to the invention comprise the following constituents: 0.1-10% wt. of a terpene containing solvent which desirably includes both pine oil and d-limonene; 0.1-12% wt. of at least one org... | 05/23/2000 |
| 5449506 | Process for producing potassium carbonate A method for producing potassium carbonate using a continuous countercurrent exchange system. A continuous ion exchange system with resin in the ammonium form is flushed with a saturated potassium chloride solution which displaces the ammonium ion and rep... | 09/12/1995 |
| 5275794 | Process for producing sodium bicarbonate from natural soda salts Production of sodium bicarbonate from natural soda deposits that may occur as natural brines or solid soda salts is disclosed. The alkalinity in these natural soda deposits consists of carbonates and bicarbonates. The carbonates are converted to bicarbona... | 01/04/1994 |
| 5270023 | Process for producing sodium carbonate, sodium bicarbonate and associated compounds A process for producing sodium carbonate from a variety of crude ores and brine containing sodium bicarbonate and sodium carbonate without the use of calcium carbonate. The process includes the steps of reacting the raw materials containing sodium bicarbo... | 12/14/1993 |
| 4780307 | Aluminum hydroxide The present invention relates to the aluminum hydroxide having a specific surface area of at least 350 m2, preferably at least 400 m2, per g. and to a process for its preparation. The aluminum hydroxide should be capable of absorbing... | 10/25/1988 |
| 4767605 | Method for separation of acid pollution gas Method and apparatus for separating at least one harmful substance such as SO2, HCl or NOx where x is 1 or 2, from combustion exhaust gases containing the same. The exhaust gases are contacted with at least one particulate adsorbent ... | 08/30/1988 |
| 4605537 | Sulfide as a hypochlorite kill agent Residual hypochlorite contained in chlorinated slurries of either carbonaceous gold-containing ores or mixtures of carbonaceous and oxide gold-containing ores are reduced by reaction with sulfide ion-providing chemical compounds preferably sodium hydrosul... | 08/12/1986 |
| 4493818 | Phosgene removal process Phosgene is removed from an off gas containing phosgene by contacting the off gas with an aqueous solution containing alkali metal hydroxide and a tertiary amine compound having 3 to 20 carbon atoms. The concentration of the alkali metal hydroxide can var... | 01/15/1985 |
| 4337234 | Method for preparing sodium bicarbonate and hydrogen chloride A process for preparing sodium bicarbonate and hydrogen chloride by reacting an aqueous sodium chloride solution with carbon dioxide under pressure in the presence of an amine and of an organic solvent. 1. Carbon dioxide is introduced under a pressure of 5-80 ... | 06/29/1982 |
| 4321247 | Process for preparing sodium bicarbonate and hydrogen chloride A process for producing sodium bicarbonate and hydrogen chloride by reacting an aqueous sodium chloride solution with carbon dioxide in the presence of an amine and an organic solvent. The steps of the process are carried out, wherein: (1) carbon dioxide ... | 03/23/1982 |
| 4320106 | Method for preparing sodium bicarbonate and hydrogen chloride A process for preparing sodium bicarbonate and hydrogen chloride by reacting an aqueous sodium chloride solution with carbon dioxide under pressure in the presence of an amine and of an organic solvent. 1. Carbon dioxide is introduced under a pressure of 8-80 ... | 03/16/1982 |
| 4282187 | Production of synthetic hydrocarbons from air, water and low cost electrical power A process for manufacturing synthetic hydrocarbons such as gasoline and/or kerosene from the synthesis of carbon dioxide and hydrogen. The carbon dioxide is obtained from the atmosphere while the hydrogen is obtained during the electrolysis of water. An i... | 08/04/1981 |
| 4256719 | Process for the combined manufacture of chlorinated hydrocarbons and sodium bicarbonate Production of sodium bicarbonate by the Solvay-soda method, employing a volatile aliphatic amine instead of ammonia, is combined with the oxychlorination of olefins in liquid phase by using the amine hydrochloride side-product of the soda plant as chlorin... | 03/17/1981 |
| 4066416 | Carbonating tower for producing sodium bicarbonate magma A carbonating tower for the production of sodium bicarbonate magma has a hollow casing accommodating perforated plates arranged one above another which divide the inner space of the casing into a separation compartment and reaction compartments communicat... | 01/03/1978 |
| 4010243 | Preparation for potassium bicarbonate from potassium halide A process is provided for converting potassium chloride to potassium bicarbonate with desirable conversions which bicarbonate can then be calcined to potassium carbonate. In one embodiment the potassium bicarbonate is formed in a reaction medium which is ... | 03/01/1977 |
| 4002729 | Method for thermochemical decomposition of water Water is thermochemically decomposed to produce hydrogen by the following sequence of reactions: KI, NH3, CO.sub. 2 and water in an organic solvent such as ethyl or propyl alcohol are reacted to produce KHCO 3 and NH4 I. The KHCO | 01/11/1977 |
