Patents for C01G 37 - Compounds of chromium (1,613)
09/1976
09/14/1976US3980751 From alkali metal- chlorate and -chloride
09/07/1976US3979310 Thermal decomposition of chromium chromate, antimony
06/1976
06/29/1976US3966402 Chromium sulfate
06/15/1976US3963824 Process for extracting chromium from chromium ores
06/01/1976US3961029 Reduction to chromium (iii) hydroxide, dissolving in alkali and hydrogen peroxide, ion exchanging
05/1976
05/11/1976US3956151 Hydrogen peroxide, chromium oxide, antimony, tellurium, or 1a metal, heat
05/11/1976US3956147 Production of metal fluorides from fluosilicic acid
04/1976
04/13/1976US3950506 Process for the preparation of an olated chromium (III) nitrate
04/13/1976US3950183 Production of annealed pigments
02/1976
02/10/1976US3937794 Hydrogen sulfide, aluminum halide, chromium halide, vaporization
02/10/1976US3937785 Treatment of chromium ore residues to suppress pollution
01/1976
01/20/1976US3933972 Process for preparing pure sodium bichromate
01/13/1976US3932598 Process for producing alkali metal chromates and dichromates
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