Her Majesty The Queen in Right of Canada as represented by the Minister of the Environment

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 253
 
  
 
C07B GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR 215
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR226
 
  
 
A23L FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT 163

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9394211 Process for refining chemicals from pulp and paper mill wastewatersMar 05, 15Jul 19, 16[C07C, C07B, C02F, B01D, D21C]
8993809 Process for refining chemicals from pulp and paper mill wastewatersApr 07, 11Mar 31, 15[C07C, C07B, C02F, B01D, D21C]
5338557 Microwave extraction of volatile oilsMar 10, 93Aug 16, 94[A23L]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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