Patents
Patents for C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals (135)
06/1992
06/16/1992CA1303327C Production of pure magnesium chloride solution from siliceous magnesiumminerals
06/02/1992CA1302048C Process for the preparation of pure magnesium-oxide, especially suitablefor the preparation of fireproof objects
10/1991
10/08/1991CA1290135C Calcium hypochlorite process
09/1991
09/04/1991EP0319560B1 Process for producing pure magnesium oxide
06/1991
06/25/1991US5026527 Pressure release valve on receiving vessel controlled by means of signal from flow meter which measures flow rate of reaction products flowing from autoclave to receiver to maintain constant flow rate
06/12/1991EP0431404A2 Formation of titanium, magnesium and zirconium calcium oxides
04/1991
04/24/1991EP0423490A1 Friable particles and processes for preparing same
03/1991
03/27/1991CN1050145A Alumina particles
08/1990
08/28/1990US4952389 Fluized bed catalyst carriers for high temperature steam processes; friable, porous spheres; agglomerating with clay, deagglomeration
07/1990
07/31/1990US4944928 Process for producing pure magnesium oxide
03/1990
03/27/1990US4912078 Mixing magnesium and aluminum hydroxide; autoclaving; compression; sintering
06/1989
06/14/1989EP0319560A1 Process for producing pure magnesium oxide.
03/1989
03/08/1989EP0305607A1 Process for preparing mordenite
12/1988
12/29/1988WO1988010236A1 Process for producing pure magnesium oxide
12/28/1988EP0297088A1 Process for the preparation of pure magnesium oxide especially useful for the preparation of refractory products
09/1988
09/07/1988EP0169842B1 Method for the preparation of phosphoric acid and calcium sulphate
06/1988
06/28/1988US4753787 Method and structure for forming a reaction product
06/08/1988CN85102921A Method of making pharmaceutical hyaluronic acid components and medical therefrom
04/1988
04/05/1988US4736024 Process for preparing salt of hyaluronic acid with a pharmaceutically active substance
01/1988
01/20/1988EP0253570A2 Method and structure for forming a reaction product
01/19/1988CA1231514A1 Method of making yttrium silicon oxynitrides
08/1987
08/18/1987US4687654 Process for preparing ZSM-5, large pore mordenite and ZSM-35
04/1987
04/21/1987US4659560 Deodorant compositions
10/1986
10/15/1986EP0197718A2 New medicaments for topical use
09/1986
09/30/1986CA1211919A1 Method for preparing phosphoric acid and calcium sulfate
08/1986
08/13/1986CN85100291A Large flat strip winding cylinder type pressure stock tank
05/1986
05/13/1986US4588570 Method for the preparation of phosphoric acid and calcium sulphate
02/1986
02/05/1986EP0169842A1 Method for the preparation of phosphoric acid and calcium sulphate.
10/1985
10/01/1985CA1194273A1 Production of alumina from aluminous siliceous materials
09/1984
09/27/1984WO1984003690A1 Method for the preparation of phosphoric acid and calcium sulphate
01/1984
01/18/1984EP0098641A2 Process for preparing ZMS-5 zeolites
07/1983
07/26/1983CA1150711A1 Crystallising of a zeolithe during industrial manufacturing processes
04/1983
04/12/1983CA1144481A1 Magnesium or lanthanum compound as deodorant
02/1981
02/25/1981EP0024175A2 Composition and process for reducing axillary odour
01/1979
01/30/1979CA1047230A1 Extraction of alumina from bauxite
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