ROCKWOOD PIGMENTS NA, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 327
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 266

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6758893 Granular pigments useful to color concreteJun 20, 02Jul 06, 04[C09C]
6596072 Product and method for coloring concreteMar 18, 02Jul 22, 03[C09C]
6562120 Granular pigmentsJun 17, 02May 13, 03[C09C]
5853476 Process for coloring concrete using compacted inorganic granulesAug 11, 97Dec 29, 98[C04B]
5401313 Surface modified particles and method of making the sameFeb 10, 93Mar 28, 95[C04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0250,977 Oxime free anti-skinning combinationAbandonedApr 16, 07Oct 16, 08[C09K]
2006/0054,056 Process for producing manufactured concrete products with reduced efflorescenceAbandonedMay 24, 05Mar 16, 06[C09K, C04B]
2004/0121,082 Method and apparatus for producing multi-color concreteAbandonedJul 22, 03Jun 24, 04[B05D]
6695990 Product and method for coloring concreteExpiredMar 21, 03Feb 24, 04[B29B]
6302952 Process for the production of black iron oxide pigmentsExpiredAug 18, 00Oct 16, 01[C04B, C09C, C01G]
5025954 Multi-components measuring and dispensing systemExpiredFeb 01, 90Jun 25, 91[B05B, B67D]

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