Papierfabrik August Koehler AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 247
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9193208 Recording materialApr 19, 12Nov 24, 15[B41M]
7892431 Method and device for purification of effluentMay 26, 06Feb 22, 11[C02F]
7833573 Method for producing thermosensitive recording material and recording material produced according to said methodJun 10, 05Nov 16, 10[B41M, B05D]
7169335 Process for encapsulating dissolved reactants of color-reaction systems, the capsules obtainable therefrom as well as their use in color-reaction papersSep 18, 03Jan 30, 07[B01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0048,394 HEAT-SENSITIVE RECORDING MATERIALAbandonedJun 29, 07Feb 25, 10[B41M]
2007/0014,918 Process for encapsulating dissolved reactants of color-reaction systems, the capsules obtainable therefrom as well as their use in color-reaction papersAbandonedAug 11, 06Jan 18, 07[B01J]
5011634 Microcapsules and microcapsule production processExpiredDec 16, 88Apr 30, 91[B01J]
4965025 Process for microencapsulating hydrophobic oils, the microcapsules obtained and the use thereofExpiredMar 18, 88Oct 23, 90[B01J]
4824823 Microcapsules containing oils and soluble color reaction components, their manufacture and use in color reaction recording systemsExpiredOct 24, 86Apr 25, 89[B41M, B01J]
4748146 Process for encapsulating dissolved reactants of color reaction systems, the capsules obtained as a result thereof and their use in non-carbon papersExpiredMay 15, 87May 31, 88[B41M]
4684574 Process for encapsulating dissolved reactants of color reaction system and resulting capsulesExpiredMar 05, 85Aug 04, 87[B01J, B32B]

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