HOLMEN AB

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C11D DETERGENT COMPOSITIONS 164
 
  
 
D21B FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT19
 
  
 
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
9493913 Method for stabilizing the whiteness of fluorescent whitening agent(s)(FWA) included in surface-treatment size/coating slip for paper and of surface-treatment layers formed thereofJun 14, 07Nov 15, 16[C07C, D21H, C11D, B32B]
7736463 Method for manufacturing bleached mechanical and chemithermomechanical pulpMar 07, 00Jun 15, 10[D21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0194,260 METHOD FOR PRODUCTION OF P-CYMENEAbandonedAug 12, 14Jul 07, 16[C07C]
2015/0031,930 METHOD FOR ISOLATION OF CYMENEAbandonedFeb 14, 13Jan 29, 15[C07C, B01D]
2007/0023,329 Method for selective removal of ray cells from cellulose pulpAbandonedApr 28, 04Feb 01, 07[B07B]
2004/0231,811 Method of producing bleached thermomechanical pulp (tmp) or bleached chemithermomechanical pulp (ctmp)AbandonedJun 21, 04Nov 25, 04[D21B, D21D, D21C]
2003/0228,447 Security paper/paperboard and a method of producing security paper/paperboardAbandonedFeb 20, 03Dec 11, 03[B32B]
2003/0121,625 Method for bleaching mechanical and chemithermomechanical pulp gAbandonedNov 18, 02Jul 03, 03[D21C]
6174586 Surface treated security paper and method and device for producing surface treated security paperExpiredMay 07, 98Jan 16, 01[B05C, B05D, B32B]
6165548 Method relating to after-treatment of packaging materialExpiredApr 26, 99Dec 26, 00[B05D]

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