Purevision Technology, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 332
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR226

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8136747 Apparatus for separation and treatment of solid biomassMay 18, 10Mar 20, 12[B02C]
7717364 Apparatus for the separation and treatment of solid biomassMay 15, 08May 18, 10[B02C]
7600707 Apparatus for the separation and treatment of solid biomassJun 21, 05Oct 13, 09[B02C]
6620292 Cellulose production from lignocellulosic biomassFeb 20, 02Sep 16, 03[D21C]
6419788 Method of treating lignocellulosic biomass to produce celluloseAug 16, 00Jul 16, 02[D21C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0184,721 METHOD FOR SEPARATING CARBOHYDRATE FROM LIGNOCELLULOSIC SOLIDAbandonedMar 19, 12Jul 19, 12[C07H, C08H]
2008/0029,233 MOVING BED BIOMASS FRACTIONATION SYSTEM AND METHODAbandonedAug 03, 06Feb 07, 08[D21C]

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