AMERICAN SCIENCE AND TECHNOLOGY CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08H DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS 213
 
  
 
B01D SEPARATION 1133
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161
 
  
 
C07G COMPOUNDS OF UNKNOWN CONSTITUTION 19
 
  
 
C08B POLYSACCHARIDES; DERIVATIVES THEREOF 130
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR127

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9382283 Oxygen assisted organosolv process, system and method for delignification of lignocellulosic materials and lignin recoveryAug 01, 14Jul 05, 16[C07G, C08H, C08L, D21C]
9365525 System and method for extraction of chemicals from lignocellulosic materialsFeb 11, 13Jun 14, 16[C08H, C07D, C07C, C08B, B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0292,993 Energy Scavenging Power SupplyAbandonedMay 20, 11Nov 22, 12[H02J]

Top Inventors for This Owner

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