La Cellulose du Pin & Universite de Bordeaux II

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

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
 
  
 
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)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5618386 Enzymatic bleaching of chemical lignocellulose pulpJun 01, 95Apr 08, 97[D21C]
5308449 Method for treating a paper pulp with an enzyme solutionJul 20, 92May 03, 94[D21H]
5110412 Method of manufacture of paper or cardboard using recycled fibers treated with enzymesFeb 11, 91May 05, 92[D21C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5152793 Biocompatible, hydrophilic material, method of manufacture and uses of sameExpiredJan 09, 92Oct 06, 92[A61F]
5123923 Biocompatible, hydrophilic material method of manufacture and uses of sameExpiredDec 06, 89Jun 23, 92[A61F]
5116474 Process for improving the drainage capacity of a paper pulp using an enzyme obtained from the fungus Humicola insolens or the bacterium CellulomonasExpiredOct 01, 90May 26, 92[D21H]
5039378 Two layer paper product for printingExpiredApr 16, 87Aug 13, 91[D21H]
4923565 Method for treating a paper pulp with an enzyme solutionExpiredSep 22, 87May 08, 90[D21C]
4904258 Biocompatible, hydrophilic material, method of manufacture and uses of sameExpiredJul 16, 87Feb 27, 90[A61F, C08B]
4822826 Composite material and method of manufacturing sameExpiredSep 04, 87Apr 18, 89[C08L]
4808266 Procedure and device for the elimination of liquid from a layer formed especially through a paper procuding processExpiredMay 12, 87Feb 28, 89[D21F]
4689045 Procedure for the preparation of modified celluloseExpiredDec 16, 85Aug 25, 87[A61F]
4665600 Automatic device for processing a productExpiredDec 15, 83May 19, 87[B05C, B41F]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.