Okutama Kogyo Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
 
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 129

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5230734 Calcium-magnesium carbonate composite and method for the preparation thereofJul 20, 92Jul 27, 93[C09C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8252413 Light calcium carbonate, process for producing the same, and printing paper containing the sameExpiredNov 28, 07Aug 28, 12[B32B]
8017101 Precipitated calcium carbonate, method for producing the same and filler for loading paper using the sameExpiredJun 03, 04Sep 13, 11[C09C, C01F]
8012443 Spherical calcium carbonate and method of producing the sameExpiredJun 01, 10Sep 06, 11[C01F]
7754176 Spherical calcium carbonate and method for producing thereofExpiredFeb 26, 04Jul 13, 10[C01F]
2010/0028,659 Method for producing paper coating solution and coated paper coated with the paper coating solution produced by the methodAbandonedOct 02, 07Feb 04, 10[C09D, B32B]
7575364 Mixing device and slurrying deviceExpiredFeb 26, 04Aug 18, 09[B01F]
5879442 Aqueous slurry of precipitated calcium carbonate and ground calcium carbonate in combinationExpiredDec 23, 97Mar 09, 99[C09C]

Top Inventors for This Owner

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