Patents for C01G 17 - Compounds of germanium (532)
12/1983
12/13/1983US4420430 Method for preparing organo germanium propionic acid derivatives
08/1983
08/30/1983US4401637 Crystalline isotactic zeolites and their preparation
08/24/1983EP0086569A1 Preparation of bis-carboxy ethyl germanium sesquioxide and its propionic acid derivatives
08/10/1983EP0085513A1 Method for preparing organo germanium propionic acid derivatives
06/1983
06/21/1983US4389379 Process for selective liquid-liquid extraction of germanium
05/1983
05/31/1983US4385915 Removal of germanium from the effluent of processes for the production of optical components
02/1983
02/08/1983US4372834 Photochlorination of chloride glass formers silicone or germanium tetrachloride; hydrogen chloride removal; distillation
01/1983
01/20/1983WO1983000141A1 Novel crystalline microporous three-dimensionally ordered solid
01/12/1983EP0069594A1 Novel crystalline microporous three-dimensionally ordered solid
01/05/1983EP0068541A1 Process for the recovery of germanium from an aqueous solution
01/05/1983EP0068540A1 Process for the recovery of germanium from an aqueous solution using an alpha-hydroxyoxime
01/04/1983US4367163 Silica-clay complexes
04/1982
04/06/1982US4323618 Single crystal of calcium-gallium germanium garnet and substrate manufactured from such a single crystal and having an epitaxially grown bubble domain film
03/1982
03/04/1982WO1982000664A1 Process for selective extraction of germanium
03/03/1982EP0046504A1 Crystalline metal-silicate zeolite ZBM-30 and method of preparing it
02/1982
02/24/1982EP0046437A1 Process for the selective extraction of germanium
01/1982
01/12/1982US4310341 Removal of --OH impurities from fiber optic precursor materials
09/1981
09/02/1981EP0034727A2 Crystalline isotactic zeolites, process for their preparation and their use as catalysts
03/1981
03/24/1981US4258023 Process for the pyrogenous production of very finely divided oxides of a metal and/or of a metalloid
08/1980
08/12/1980CA1083358A1 Process for the recovery and purification of germanium from zinc ores
07/1980
07/29/1980CA1082424A1 Method of preparing crystalline compounds a suiva xx b suvia xx
06/1980
06/17/1980CA1079679A1 Process for purifying halogenosilanes and halogenogermanes
05/1980
05/28/1980EP0011084A1 Process for the pyrogenic production of a highly particulate oxide of a metal and/or metalloid
01/1980
01/09/1980EP0006118A1 Process for vapor-phase growing of gallium arsenide containing a large concentration of germanium
10/1979
10/30/1979US4172882 Lithium ion transport compositions
02/1979
02/27/1979US4141778 Vapor deposition, decomposition
09/1978
09/26/1978US4117103 Crystals with divalent cations, germanium, oxygen
09/05/1978US4112057 Process for purifying halogenosilanes
05/1978
05/23/1978US4090871 Process for the recovery and purification of germanium from zinc ores
08/1977
08/30/1977US4045241 Synthetic taeniolite and process of producing the same
05/1977
05/31/1977US4027074 Process for producing ferroelectric crystalline material
11/1976
11/16/1976US3992159 Process for purification by cryogenic sublimation
1 2 3 4 5 6