Mercer International Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 276
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
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
 
  
 
B01D SEPARATION 1133
 
  
 
D01B MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OR FILAMENTS, e.g. FOR SPINNING 14
 
  
 
D21B FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT19
 
  
 
D21D TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE 18

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0002,864 MULTI-DENSITY TISSUE TOWEL PRODUCTS COMPRISING HIGH-ASPECT-RATIO CELLULOSE FILAMENTSJun 29, 17Jan 04, 18[D21B, C08J, D01B, D21H, D21D, C08L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5173195 Phase separator moduleApr 29, 91Dec 22, 92[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5028333 Phase separator moduleExpiredFeb 23, 90Jul 02, 91[B01D]
4908109 Electrolytic purification system utilizing rapid reverse current plating electrodesExpiredMar 22, 88Mar 13, 90[C02F]
4732661 Electrolytic purification systemExpiredOct 24, 85Mar 22, 88[C02F]

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