Korsnas AB

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR226
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
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 137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7743974 Container wall of paper and process for producing such a container wallDec 12, 01Jun 29, 10[B65D]
5922172 Combustion of black liquid and processing of lime sludge in a recovery boilerNov 10, 97Jul 13, 99[D21C]
5667633 Method of producing white liquor streams of high and low sulphidityDec 01, 95Sep 16, 97[D21C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6918992 Fluff pulp for absorption productsExpiredApr 14, 00Jul 19, 05[D21H]
2004/0076,798 Embossed high flexible paper and a method of producing the sameAbandonedAug 11, 03Apr 22, 04[B32B]
5811161 Package of paper or paperboard having a thin extruded polyethylene coatingExpiredJul 10, 96Sep 22, 98[B09B, B65D]
5677161 Preparation exhibiting enzymatic activity, a method of producing the same, and applications thereofExpiredMay 30, 95Oct 14, 97[C12N]
5434071 .alpha.-L-arabinofuranosidase and xylanase from Bacillus stearothermophilus NCIMB 40221, NCIMB 40222 or mutant thereof for delignificationExpiredMay 18, 93Jul 18, 95[C12N, D21C]
4741376 Manufacturing of kraft paperExpiredFeb 21, 86May 03, 88[D21H]

Top Inventors for This Owner

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