Patents for C01F 7 - Compounds of aluminium (12,677)
12/1976
12/21/1976US3998939 Production of beta-lithium aluminate (LiAlO2)
12/21/1976US3998927 Recovery of sodium aluminate from high-silica aluminous materials
12/14/1976US3997650 Process for extracting alumina from alumna-containing ores
12/07/1976US3996340 From silica dust, fluorspar and aluminum oxide
12/07/1976US3996334 Roasting, leaching, ion exchanging, alkali metal aluminates
12/07/1976US3996333 Method for dehydrating ores
11/1976
11/23/1976US3993590 Better wear and crushing strength
11/16/1976US3992220 Compound of a calcium trisulfoaluminate base, and process for its manufacture
11/16/1976US3992217 Hydration, carbonation
11/09/1976US3991171 In a disc dryer and a fluidized bed
11/02/1976US3989805 Process for the production of aluminum chlorohydroxides having a controlled chlorine content
11/02/1976US3989513 Method for the treatment of red mud
10/1976
10/26/1976US3988150 Liquid gallium-aluminum alloy
10/19/1976US3987155 High-porosity, high-surface area, low-bulk density alumina
10/05/1976US3984521 Method of producing alumina and potassium sulphate from alunite
09/1976
09/28/1976US3983221 Aluminum, nitric acid
09/28/1976US3983212 Alumina production
09/28/1976US3983211 Method of producing alumina and potassium sulphate form alunite
09/21/1976US3981979 Process for producing a pure high surface area alumina
09/07/1976US3979504 Calcining method for alumina
09/07/1976US3979334 Aging an alumina hydrosol-hexamethylenetetramine mixture
08/1976
08/31/1976US3977999 Alumina compositions and methods for making and using same
08/17/1976US3975510 Low-density, high-porosity alumina extrudates and a method for producing said extrudates
08/17/1976US3975509 Process for producing alpha alumina monohydrate
08/17/1976US3975496 Process for settling red mud in the digestion of bauxite
08/17/1976US3975231 Evaporation
08/17/1976US3975202 Rigid coherent gel
08/17/1976US3974572 Process and heat exchanger for continuous circulation of fluidized powder in heat exchange with a hot gas
07/1976
07/27/1976US3971843 Process for liquid/liquid extraction of gallium
07/13/1976US3969488 From sodium aluminate and carbon dioxide
07/06/1976US3968225 Preparation of spheroidal alumina particles
06/1976
06/29/1976US3966996 Addition polymerization, dispersion
06/29/1976US3966893 Precipitating α alumina monohydrate
06/29/1976US3966874 Extraction of alumina from bauxite ores
06/29/1976US3966537 Device for waste heat recovery and sand removal in the Bayer process
06/22/1976US3965248 Phosphorus pentoxide
06/08/1976US3962413 Plate methods for diagnosing Brucella canis infection
06/01/1976US3961030 Fluorination to aluminum trifluoride followed by pyrolysis
06/01/1976US3960772 Agglomerated alumina-based spherical grains
06/01/1976US3960592 Phosphates
05/1976
05/25/1976US3959439 Aluminum chloride production process
05/25/1976US3959438 Method for the fabrication of pure alumina from Al2 O3 and silica containing raw materials by leaching with hydrochloric acid
05/25/1976US3958341 Process for the production of active aluminum oxide in bead and powder form
05/18/1976US3957947 Process for continuous production of aqueous basic aluminum salt solutions
05/11/1976US3956455 Recovery of solid selectively constituted high purity aluminum chloride from hot gaseous effluent
05/11/1976US3956454 Process for producing aluminum trichloride
05/11/1976US3956147 Production of metal fluorides from fluosilicic acid
05/11/1976US3955969 Process for the production and use of activated alumina
05/04/1976US3954958 Hydrolysis of alkyl-aluminum compound
05/04/1976US3954659 Hydrochloric acid
04/1976
04/27/1976US3953584 Aluminum chloride, aluminum hydroxide, hydrochloric acid
04/20/1976US3951852 Process for the preparation of alumina gel
04/13/1976US3950507 Heat treatment of alumina or aluminum hydroxide in hydrogen fluoride atmosphere
04/13/1976US3950504 Process for producing magnesium aluminate spinel
04/13/1976US3950485 Coking, chlorination
04/13/1976US3950478 Spinning a solution of an aluminum compound and a polymer
04/13/1976US3949684 Method for oxidation of sulfur-containing substances
03/1976
03/30/1976US3947562 Production of a form of alumina whiskers
03/30/1976US3947557 Antiperspirants
03/30/1976US3947534 Processing of aluminum oxide fibers
03/23/1976US3946102 Hydrolysis, heating, magnesium aluminum oxide, or calcium aluminum oxide
03/16/1976US3944658 Transparent activated nonparticulate alumina and method of preparing same
03/16/1976US3944648 Method for processing bauxites
03/09/1976US3943226 Alkali metal aluminate
03/02/1976US3941874 Recovery of aluminum fluoride
03/02/1976US3941719 Transparent activated nonparticulate alumina and method of preparing same
02/1976
02/17/1976US3939247 From alumina and magnesium chloride
02/17/1976US3938969 Distillation
02/10/1976US3937794 Hydrogen sulfide, aluminum halide, chromium halide, vaporization
02/10/1976US3937786 Production of aluminum chloride from raw materials containing coal
01/1976
01/27/1976US3935297 Carbo chlorination of AlPO4
01/27/1976US3935023 Alumina dispersions
01/20/1976US3933604 Method of electrolytically extracting gallium from aluminate solutions
01/13/1976US3932230 Method of extracting gallium
01/13/1976US3932117 Method of burning or sintering fine-grain material
01/06/1976US3931095 Fire retardant thermosetting resin composition
01/06/1976US3930800 Fluidized bed desubliming apparatus for recovery of aluminum chloride