Patents
Sitemap › C01 - Inorganic chemistry › C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals › C01F 11 - Compounds of calcium, strontium, or barium
Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019)
10/2003
10/16/2003US20030194361 Feeding device and process and feeding system which utilise the feeding device
10/15/2003EP1114219B1 Calcium carbonate synthesis method and resulting product
10/14/2003US6632966 Method for the preparation of lactic acid and calcium sulphate dihydrate
10/08/2003CN1446737A Vessel utilizing pressure pistion for pushing fluid
10/08/2003CN1446654A Technique for continuously preparing super fine nano powder by using precipitation method and its specialized equipment
10/08/2003CN1123415C Process for prodn. of ultrafine powders
10/02/2003US20030185954 Preparation of nutrient rich salt of plant origin
10/01/2003CN1445311A CaCO3/SiO2‰ÀnH2O nano-compound particle and hollow SiO2‰ÀnH2O nano-material and its preparation method
10/01/2003CN1122638C Comprehensive ultilization method of waste ammonia soda and sodium sulfate containing waste liquid
10/01/2003CN1122635C Process for preparing fodder grade calcium hydrophosphate and by-product calcium carbonate and salmiac by hydrochloric process
09/2003
09/30/2003US6627170 Process for preparing calcium carbonate
09/27/2003WO2003079817A1 Preparation of nutrient rich salt of plant origin
09/25/2003WO2003078348A2 Method of improving material comprising a pozzolanic component
09/25/2003WO2003020642A3 Precipitated aragonite and a process for producing it
09/25/2003US20030180208 Precipitated aragonite and a process for producing it
09/24/2003CN1444543A Titanium dioxide-calcium carbonate composite particles
09/23/2003US6625248 Process for the treatment of radioactive graphite
09/23/2003US6623555 Composite precipitated calcium carbonate/silicon compound pigment and method of making same
09/21/2003WO2003080501A1 Pressurized piston pusher
09/18/2003WO2003076522A1 Method for the production of precipitated calcium carbonate with a high degree of brightness
09/18/2003WO2003076356A1 Device for drying and/or firing gypsum
09/18/2003US20030175193 FGD gypsum dewatering improvement through crystal habit modification by carboxylic acids
09/18/2003CA2415644A1 Converting fluorogypsum to calcium sulfate
09/17/2003CN1443136A Precipitated aragonite and process for producing it
09/17/2003CN1442363A Preparation method of microwhisker like calcium carbonate
09/16/2003US6620856 Production of concentrated carbonate suspensions
09/16/2003US6620395 Treatment of phospho gypsum
09/12/2003WO2003074159A1 Method for purifying waste process gases from sulphur dioxide
09/11/2003US20030170158 Method for solubilizing metal values
09/10/2003CN1120803C Process for producing potassium chloride from alkaline slag and potassium feldspar
09/09/2003CA2099041C Process for preparing calcium sulphate
09/04/2003WO2003072659A1 Method for reducing the size of metallic compound particles
09/03/2003EP1340795A1 Pigment particles comprising particles of precipitated calcium carbonate and a process for the preparation thereof
09/03/2003CN1440306A Particulate carbonates and their preparation and use in breathable film
09/02/2003US6613141 Recovery of cement kiln dust through precipitation of calcium sulfate using sulfuric acid solution
08/2003
08/28/2003US20030163014 Gypsum decontamination process
08/28/2003US20030161894 Prepared by reacting aqueous calcium hydroxide slurry with carbon dioxide in presence of acid such as nonanoic acid and selecting process parameters such that resulting aragonite calcium carbonate has specific gravity of less than 2.5 g/cm3
08/28/2003US20030159622 Barium sulphate method for producing the same and the use thereof
08/27/2003CN1438178A Method for preparing nano active calcium carbonate
08/26/2003US6610355 Nanostructured deposition and devices
08/26/2003US6610267 Ca(NO3)2 with 3.6% K (KNO3 as potassium source) homogeneous and ammonium free calcium nitrate melt with high solidification temperature suitable for conventional particulation methods
08/21/2003US20030154905 Crystal manufacture method
08/20/2003CN1436894A Improved alkali recovering process from paper-making black liquor
08/19/2003US6607821 Applications and devices based on nanostructured non-stoichiometric substances
08/19/2003US6607779 Non-stoichiometric non- equilibrium material, and the material is a nanostructured material.
08/19/2003US6607707 Production of hydrogen from hydrocarbons and oxygenated hydrocarbons
08/14/2003WO2003066961A1 A process of recovering alkali from black liquor of papermaking
08/14/2003WO2003066525A1 Improvement of flue gas desulfurization gypsum-dewatering through crystal habit modification by carboxylic acids
08/14/2003WO2003066198A1 Additive for exhaust gas, method of manufacturing the additive, and method for power generation using the additive
08/13/2003EP1334070A2 Method for producing calcium carbonate
08/13/2003CN1436152A Method for producing calcium nitrate granules
08/13/2003CN1117562C Compositions and method for controlling smoking
08/07/2003WO2003064348A2 Use of a precipitated calcium carbonate (pcc) originating from sugar as a raw material in the ceramic industry
08/07/2003WO2003064323A1 A process for recovery of low sodium salt from bittern
08/07/2003WO2002020406A8 Impurity removal
08/07/2003US20030147799 Production of products containing precipitated calcium carbonate
08/06/2003CN1434756A Electrodischarge wire machining and power supply for electrodischarge wire machining
08/05/2003US6602595 Ink comprising: a non-stoichiometric non-equilibrium nanostructured material; device such as electronics using such a material
08/05/2003US6602543 Nanotechnology for magnetic components
08/05/2003US6602484 Precipitated calcium carbonate and method for the production thereof
07/2003
07/31/2003US20030143152 Desulphatation of bittern (by-product of salt industry), evaporation of bittern in solar pans and processing of solid mixture with water to produce a mixture of sodium and potassium chlorides
07/30/2003EP1150919B1 Lime treatment
07/30/2003CN1116478C Aqueous suspension of mineral materials and their uses
07/30/2003CN1116231C Manufacturing method for calcium flubride crystal and processing method for calcium fluoride power
07/29/2003US6599391 Filler for use in paper manufacture and procedure for producing a filler
07/24/2003WO2003059501A1 Apparatus and method for granulating mixed hydrate of calcium chloride and sodium chloride, and granule of the mixed hydrate
07/23/2003CN1431971A Micropowdered barium sulfate
07/23/2003CN1431152A Method for synthesizing powder of single phase bibarium nonatitanate through high energy boll milling
07/17/2003WO2003016216A3 Method of reducing the solubility of calcium sulfate dihydrate in an aqueous suspension and method of making the same
07/17/2003US20030134200 Positive electrode active material and nonaqueous electrolyte secondary cell
07/17/2003US20030132200 Electrodischarge wire machining and power supply for electrodischarge wire machining
07/16/2003EP1230160A4 High speed manufacturing process for precipitated calcium carbonate employing sequential pressure carbonation
07/16/2003CN1429772A Method for preparing calcium carbonate with actual forms
07/15/2003US6593408 Organic polymer/inorganic fine particle-dispersed aqueous solution having excellent stability and uses thereof
07/15/2003US6592837 Forming dispersant- free aqueous suspension of calcium carbonate; wet-grinding to produce a first calcium carbonate having a first steepness ratio; aging suspension; to produce a second calcium carbonate having a second steepness ratio
07/15/2003US6592834 Calcium hydroxide, a process for the production thereof and use thereof
07/10/2003WO2003055804A1 Calcium carbonate of different shapes and the preparing process thereof
07/09/2003EP1324949A1 Impurity removal
07/09/2003EP0641267B1 PARTICULATE CaF 2? AND BaF 2? AGENT FOR IMPROVING THE MACHINABILITY OF SINTERED IRON-BASED POWER
07/08/2003CA2222639C Metal and fluorine values recovery from fluoride salt matrices
07/03/2003US20030125581 Method for the preparation of lactic acid and calcium sulphate dihydrate
07/03/2003US20030124050 Controlling temperature, times; agglomeration powders
07/03/2003US20030124048 Filler for adhesives, rubbers, cosmetics; precipitating, separation, drying
07/03/2003US20030124047 Reacting fluorite with sulfuric acid; applying shear to inerior wall of reactor which is wear and corrosion resistant
07/03/2003US20030121457 Stabilised calcium hydroxide slurries
07/03/2003US20030121452 High surface area incineration product
07/03/2003US20030121451 Titanium dioxide-calcium carbonate composite particles
07/02/2003EP1323674A1 Titanium dioxide-calcium carbonate composite particles
07/02/2003EP0866770B1 Process for the preparation of discrete particles of calcium carbonate
06/2003
06/25/2003CN1425613A Process for united producing barium hydroxide and manganese sulfate
06/25/2003CN1425483A Method for preparing nano crystal of ionic compound
06/25/2003CN1112320C Process for preparing calcium carbonate deposit by continuous method
06/18/2003CN1424987A Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step
06/11/2003EP0968134B1 Apparatus and process for the preparation of precipitated calcium carbonate
06/11/2003CN1422823A Method for preparing lime hydrate emulsion and method for preparing vinylidene chloride from said lime hydrate emulsion
06/10/2003US6576355 Nanotechnology for electronic and opto-electronic devices
06/05/2003WO2003045610A2 Nano-dispersed powders and methods for their manufacture
06/05/2003US20030102099 Nano-dispersed powders and methods for their manufacture
06/03/2003US6572672 A non-stoichiometric non-equilibrium material, especially a metal or polymer
05/2003
05/29/2003US20030099591 Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product
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