PETRA INTERNATIONAL HOLDINGS, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 788
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 681
 
  
 
B27K PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR 27
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 236
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
D06M TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS 125

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9157190 Method for treating substrates with halosilanesJan 05, 12Oct 13, 15[C23C, B05D, D21H, D06M]
8940366 Apparatus and method for treating materials with compositionsJun 15, 09Jan 27, 15[C23C, D21H]
8721783 Compositions for treating materials and methods of treating sameJun 08, 09May 13, 14[C09D]
7964031 Compositions for treating materials and methods of treating sameMay 05, 09Jun 21, 11[A01N, B05D]
7964287 Preservative compositions for wood productsMay 05, 09Jun 21, 11[A01N, B05D, B27K, B32B]
7846505 Preservative compositions for materials and method of preserving sameOct 24, 07Dec 07, 10[A01N, B05D]
7838124 Preservative compositions for wood productsSep 20, 07Nov 23, 10[A01N, B05D, B27K, B32B]
7758924 Preservative compositions for wood productsOct 24, 07Jul 20, 10[A01N, B05D]
7754288 Preservative compositions for materials and method of preserving sameJan 04, 07Jul 13, 10[A01N, B05D]
7300502 Preservative compositions for wood productsJun 06, 06Nov 27, 07[A01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0202,356 COMPOSITIONS FOR TREATING MATERIALS AND METHODS OF TREATING SAMEAbandonedMar 25, 14Jul 24, 14[C09K, C03C, B05D, C04B, B27K]
2013/0197,133 Biodegradable Hydrophobic Cellulosic Substrates And Methods For Their Production Using HalosilanesAbandonedMay 16, 11Aug 01, 13[C09D]
2013/0053,477 Hydrophobic Cellulosic Substrates And Methods For Producing The SameAbandonedMay 16, 11Feb 28, 13[B05D, C08L, B32B]
2009/0053,545 PRESERVATIVE COMPOSITIONS FOR MATERIALS AND METHOD OF PRESERVING SAMEAbandonedOct 29, 08Feb 26, 09[C09K, B27K]
2008/0276,970 Apparatus and method for treating materials with compositionsAbandonedMay 09, 07Nov 13, 08[B08B]

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