S. A. LHOIST RECHERCHE ET DEVELOPPEMENT

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 1110
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 1157
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR788
 
  
 
B01D SEPARATION 5129
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 4105
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 451
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 498
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 233
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 216

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0021,980 Composition Comprising Calcium Magnesium Compound(s) as CompactsJan 08, 16Jan 25, 18[C09K, C22B, B28B, C02F, C21C]
2017/0349,959 Process for Dephosphorization of Molten Metal During a Refining ProcessJan 08, 16Dec 07, 17[C21C]
2017/0144,932 Method for the Production of Cold-Process Bituminous CoatingsJul 10, 15May 25, 17[C04B, E01C]
2016/0115,076 Compositions Comprising One or More Calcium-Magnesium Compounds in the Form of CompactsJul 11, 14Apr 28, 16[C04B]
2015/0184,078 Mixed Calcium and Magnesium Compound and Method for Producing SameJul 12, 13Jul 02, 15[C09K]
2014/0335,230 Method and Composition for Increasing the Proportion of Dietary Ingredients That Are Resistant to Degradation By Ruminal MicroorganismsNov 27, 12Nov 13, 14[A23K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9845265 System of plant or bio-sourced materialsDec 03, 14Dec 19, 17[C04B]
9828292 Binder composition for improved mortars and coatingsDec 04, 14Nov 28, 17[C04B]
9738772 Flame-retardant and fire-resistant polymer compositions made from limeJul 12, 13Aug 22, 17[C09K, C01B, C08K]
9725360 Method for the dry slaking of calcium and magnesium oxides from calcomagnesian compoundsFeb 18, 14Aug 08, 17[C04B, C01F]
9725361 Method for the wet slaking of calcium and magnesium oxides from calcomagnesian compoundsFeb 19, 14Aug 08, 17[C04B, C01F]
9579601 Method and device for treating gas by injecting a powdered compound and an aqueous phaseJun 20, 14Feb 28, 17[F23J, B01D]
9511340 Handleable calco-magnesian suspensionOct 25, 13Dec 06, 16[B01J, C01F, B01F]
9365696 Flame-retardant mineral fillers and flame-retardant polymer compositionsJul 12, 13Jun 14, 16[C09K, C01F, C08K]
8871006 Solid mineral composition, method for preparing same and use thereof for reducing heavy metals in flue gasJul 13, 10Oct 28, 14[B01J, B01D]
8440163 Slaked lime composition and its manufacturing processOct 29, 09May 14, 13[C01F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0344,319 Method for Producing Calcium Carbonate Gel and Product Obtained TherebyAbandonedJan 30, 14Dec 03, 15[C01F]
2012/0152,854 Method for Processing SludgeAbandonedFeb 13, 12Jun 21, 12[B01D]
2012/0134,903 Solid Inorganic Composition, Method for Preparing Same, and Use Thereof for Reducing Dioxins and Heavy Metals in Flue GasAbandonedJul 13, 10May 31, 12[B01J, B01D]
7628925 Method of dewatering sludge and the sludge thus dewateredExpiredJul 08, 04Dec 08, 09[C02F]
6803105 Calcium oxide product and method for making sameExpiredJun 07, 02Oct 12, 04[B05D, B32B]
6699322 Compositions for treating soils, the process for their preparation and the use thereofExpiredApr 12, 02Mar 02, 04[C04B]
6099814 Method for processing acid effluentsExpiredMay 28, 97Aug 08, 00[C01F]
5705141 Calcium and/or magnesium hydroxide, and preparation and use thereofExpiredJan 18, 96Jan 06, 98[C01B]
5552366 Method of foliar application of magnesium hydrogen carbonateExpiredJun 03, 94Sep 03, 96[A01N, C05D]
5290353 Vaterite and production methodExpiredJan 22, 93Mar 01, 94[C09C]
5173279 Method and composition for treating flue or exhaust gases utilizing modified calcium hydroxideExpiredNov 21, 90Dec 22, 92[C01B, B01J]

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