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Class Information
Number: 423/438
Name: Chemistry of inorganic compounds > Carbon or compound thereof > Oxygen containing > Carbon dioxide or carbonic acid > From a carbonate
Description: 2-
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7604785 |
Process for the recovery of elemental sulphur from residues produced in hydrometallurgical processes |
Oct. 20, 2009 |
| 7384621 |
Reforming with hydration of carbon dioxide fixing material |
Jun. 10, 2008 |
| 6555083 |
Method of preparation of sealed gas chambers |
Apr. 29, 2003 |
| 6524843 |
Process and apparatus for the treatment of carbon dioxide with carbonic anhydrase |
Feb. 25, 2003 |
| 6491890 |
Method and set for continuous long-term dosing of CO2 |
Dec. 10, 2002 |
| 5232793 |
Method of and apparatus for utilizing and recovering CO.sub.2 in combustion exhaust gas |
Aug. 3, 1993 |
| 4776930 |
Process for the preparation of potassium nitrate |
Oct. 11, 1988 |
| 4748010 |
Energy conserving limestone calcining system |
May. 31, 1988 |
| 4588567 |
Recovery of concentrated H.sub.2 S from SO.sub.2 contained in flue gas |
May. 13, 1986 |
| 4444672 |
Process of making calcium acetate deicing agents and product |
Apr. 24, 1984 |
| 4426364 |
Removal and recovery of nitrogen oxides and sulfur dioxide from gaseous mixtures containing them |
Jan. 17, 1984 |
| 4426308 |
Process of making calcium acetate deicing agents |
Jan. 17, 1984 |
| 4425313 |
Removal and recovery of nitrogen and sulfur oxides from gaseous mixtures containing them |
Jan. 10, 1984 |
| 4377488 |
Process of making calcium acetate deicing agents |
Mar. 22, 1983 |
| 4342735 |
Stripping of aqueous ammonium carbonate solution |
Aug. 3, 1982 |
| 4339547 |
Production of synthetic hydrocarbons from air, water and low cost electrical power |
Jul. 13, 1982 |
| 4299809 |
Process for the manufacture of calcium chloride |
Nov. 10, 1981 |
| 4186215 |
Beverage carbonation arrangement |
Jan. 29, 1980 |
| 4083942 |
Process for producing metal bromides |
Apr. 11, 1978 |
| 4031193 |
Process for preparing calcium fluoride from hexafluoro silicic acid |
Jun. 21, 1977 |
| 4017592 |
Process for production of aqueous hypochlorous acid solution |
Apr. 12, 1977 |
| 3996342 |
Method for thermochemical production of hydrogen from water |
Dec. 7, 1976 |
| 3957955 |
Process for preparation of sodium ammonium phosphate |
May. 18, 1976 |
| 3937782 |
Process for the production of monosilandiol |
Feb. 10, 1976 |
| 3932587 |
Absorption of sulfur oxides from flue gas |
Jan. 13, 1976 |
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