MARUO CALCIUM CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 894
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 525
 
  
 
A23L FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT 460
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4153
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 318
 
  
 
C09J ADHESIVES; ADHESIVE PROCESSES IN GENERAL 352
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 194
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9815953 Calcium carbonate filler for resin, and resin composition containing said fillerOct 11, 13Nov 14, 17[C08J, C09C, C01F, C08K, B32B]
9815971 Heavy calcium carbonate, production method therefor, and resin composition containing said calcium carbonateJul 17, 13Nov 14, 17[C09J, B05D, C09C, C01F, C08K]
9422419 Surface-treated calcium carbonate filler, and curable resin composition containing the fillerApr 26, 13Aug 23, 16[C09K, C09J, C09C, C08L, B32B, C08K]
9018278 Surface treated calcium carbonate filler for resin and resin composition containing the fillerJan 29, 10Apr 28, 15[F21V, C08G, G02B, C08L, C08K]
8975322 Calcium carbonate filler for resin, process for producing the same, and resin composition containing the fillerApr 12, 12Mar 10, 15[C08K]
8404619 Particulate plant treatment compositionFeb 20, 06Mar 26, 13[A01N]
8138253 Filler for powder coating material and powder coating composition containing the sameSep 06, 06Mar 20, 12[B02C, C09D, B07B, C09C, C08K]
7977410 Fine pore formation agent for porous resin film and composition containing the same for porous resin filmJan 31, 07Jul 12, 11[B29C, C08K, B32B]
7863367 Surface treated calcium carbonate and a resin composition containing the sameOct 03, 03Jan 04, 11[C09C]
7785705 Flower thinning agentAug 01, 03Aug 31, 10[B32B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0182,933 Filler for Porous Film and Porous Film Containing the SameAbandonedDec 09, 05Jul 31, 08[A61K]
7199173 Agglomerate and resin composition containing the sameExpiredOct 14, 03Apr 03, 07[C08K]
2006/0198,927 Food additive composition, and food composition containing sameAbandonedJul 28, 03Sep 07, 06[A23L]
2006/0013,921 Calcium phosphate base particulate compound, process for producing the same and composition comprising the compoundAbandonedDec 04, 03Jan 19, 06[A23K]
6808726 Manufacturing method of food additive composition and food composition containing the sameExpiredDec 04, 01Oct 26, 04[A23L]
6663948 Additive comprising porous calcium phosphate for synthetic resins, and synthetic resin compositionExpiredAug 20, 01Dec 16, 03[B32B]
6482881 Inorganic dispersant, stabilizer for suspension polymerization and polymer particlesExpiredOct 04, 00Nov 19, 02[C08K]
6372832 Glycol dispersion of inorganic powder, process for producing the same, and polyester composition containing the dispersionExpiredJan 13, 00Apr 16, 02[C08J, B01F, C08L, C08K]
6287530 Synthetic resin additive and synthetic resin composition containing particles of porous hydroxyapatiteExpiredJun 25, 99Sep 11, 01[B32B]
6033780 Fine particles of petaloid porous hydroxyapatite and process for producing the sameExpiredJan 05, 98Mar 07, 00[C04B, B32B]
5976687 Additive for synthetic resins and a synthetic resin compositionExpiredJun 11, 98Nov 02, 99[B32B]
5844022 Additive for synthetic resins and synthetic resin compositionsExpiredJan 12, 98Dec 01, 98[C08J, B32B]
5494651 Method for manufacturing monodisperse vaterite type calcium carbonateExpiredOct 19, 93Feb 27, 96[C01F]
5288784 Polyester composition containing vaterite-type calcium carbonateExpiredMay 24, 91Feb 22, 94[C08J, C09C]
5275651 Monodisperse vaterite type calcium carbonate, its manufacturing method and method of controlling growth of particles and shape thereofExpiredMay 28, 91Jan 04, 94[C01F]
5085800 Glycol dispersion of precipitated calcium carbonateExpiredJan 02, 91Feb 04, 92[B01J]
5000871 Gycol dispersion of calcium carbonateExpiredJun 21, 88Mar 19, 91[B01J]
4725318 Filler for paper-making and neutral paper-making process by the use thereofExpiredFeb 19, 86Feb 16, 88[C04B]

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