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Class Information
Number: 423/137
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Group iiia metal or beryllium (al, ga, in, tl, or be) > Utilizing carbon as reducing agent
Description: Processes in which include the step of using elemental carbon as a reducing agent.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5096860 |
Process for producing unagglomerated single crystals of aluminum nitride |
Mar. 17, 1992 |
| 4957722 |
Production of partially calcined carbonaceous reductant using steam |
Sep. 18, 1990 |
| 4652434 |
Chlorination of ores containing alkali or alkaline earth values |
Mar. 24, 1987 |
| 4576636 |
Process for beneficiating oxidic ores |
Mar. 18, 1986 |
| 4565674 |
Alumina chlorination |
Jan. 21, 1986 |
| 4541907 |
Process for decomposing chlorinated hydrocarbon compounds |
Sep. 17, 1985 |
| 4483827 |
Hydrometallurgical process for the recovery of valuable metals from sulfidic, silicate-containing raw materials |
Nov. 20, 1984 |
| 4465659 |
Aluminum production via the chlorination of partially calcined aluminum chloride hexahydrate |
Aug. 14, 1984 |
| 4459274 |
Chlorination using partially calcined carbonaceous material as a reductant |
Jul. 10, 1984 |
| 4434149 |
Acid melt treatment to activate carbon for use as reductant |
Feb. 28, 1984 |
| 4289735 |
Process for the production of aluminum chloride |
Sep. 15, 1981 |
| 4288411 |
Process for the selective production of a plurality of individual pure halides and/or halide mixtures from a mixture of solid oxides |
Sep. 8, 1981 |
| 4284607 |
Chlorination of aluminous materials using preselected solid reducing agents |
Aug. 18, 1981 |
| 4283371 |
Process for the production of aluminum chloride and related products |
Aug. 11, 1981 |
| 4265864 |
Process for treating bauxite or similar raw material |
May. 5, 1981 |
| 4252774 |
Method of processing aluminous ores |
Feb. 24, 1981 |
| 4244935 |
Method of forming metal chlorides |
Jan. 13, 1981 |
| 4213943 |
Production of aluminum chloride from clay using staged reactors |
Jul. 22, 1980 |
| 4190639 |
Recovery of hydrogen chloride in carbo-chlorination of metal oxides |
Feb. 26, 1980 |
| 4182747 |
Process for preparation of anhydrous metallic chlorides from waste catalysts |
Jan. 8, 1980 |
| 4139602 |
Preferential chlorination of alumina in kaolinitic ores |
Feb. 13, 1979 |
| 4118464 |
Process for separating silica from silicate-bearing materials |
Oct. 3, 1978 |
| 4105752 |
Aluminum chloride production |
Aug. 8, 1978 |
| 4083928 |
Production of aluminum chloride |
Apr. 11, 1978 |
| 4083927 |
Controlled carbo-chlorination of kaolinitic ores |
Apr. 11, 1978 |
| 4082833 |
Clay halogenation process |
Apr. 4, 1978 |
| 4080435 |
Aluminum chloride production process |
Mar. 21, 1978 |
| 4073872 |
Process for producing a product containing aluminum and chlorine |
Feb. 14, 1978 |
| 4070448 |
Method of producing high purity aluminum chloride |
Jan. 24, 1978 |
| 4045537 |
Process for recovering soda and alumina values from red mud |
Aug. 30, 1977 |
| 4039648 |
Production of aluminum chloride |
Aug. 2, 1977 |
| 4039647 |
Production of aluminum chloride |
Aug. 2, 1977 |
| 3983212 |
Alumina production |
Sep. 28, 1976 |
| 3959439 |
Aluminum chloride production process |
May. 25, 1976 |
| 3956455 |
Recovery of solid selectively constituted high purity aluminum chloride from hot gaseous effluent |
May. 11, 1976 |
| 3956454 |
Process for producing aluminum trichloride |
May. 11, 1976 |
| 3950485 |
Production of aluminum chloride from raw materials containing coal |
Apr. 13, 1976 |
| 3937786 |
Production of aluminum chloride from raw materials containing coal |
Feb. 10, 1976 |
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