AHLSTROM RESEARCH AND SERVICES

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7278542 Filtering medium, method for making sameFeb 12, 03Oct 09, 07[B01D]
6906001 Photocatalytic compositionMar 31, 99Jun 14, 05[B01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0051,034 Plant protection deviceAbandonedNov 12, 04Mar 08, 07[A01G]
2007/0009,715 Water vapour barrier paperAbandonedOct 13, 04Jan 11, 07[G03G]
2006/0111,007 Nonwoven support based on activated carbon fibres, and useAbandonedMar 01, 04May 25, 06[D04H, B32B]
2006/0014,037 Methods for forming substrates having a powderAbandonedAug 16, 05Jan 19, 06[B05D, B32B]
2005/0246,949 Biodegradable fibrous support for soil mulchingAbandonedMar 03, 05Nov 10, 05[C09K]
2005/0246,950 Biodegradable fibrous support for soil mulchingAbandonedFeb 11, 05Nov 10, 05[C09K]
2005/0235,556 Biodegradable fibrous support for soil mulchingAbandonedMar 03, 05Oct 27, 05[C09K]
2005/0130,526 Support intended to be siliconized by silicones (ltc)AbandonedFeb 03, 05Jun 16, 05[B32B]
6878191 Photocatalytic compositionExpiredMay 03, 04Apr 12, 05[B01D]
6840006 Accelerated mulching paper degradation process and mulching paper for implementing the processExpiredApr 30, 03Jan 11, 05[C09K, D21H]
2004/0200,591 Material based on organic and/or inorganic fibres having germicidal properties and uses thereofAbandonedJun 07, 04Oct 14, 04[D21H, A01G, A62B, B01D]
6578315 Accelerated mulching paper degradation process and mulching paper for implementing the processExpiredOct 05, 00Jun 17, 03[C09K]
2002/0192,131 Device for protecting plants against post-harvest decay and method for making sameAbandonedJul 24, 02Dec 19, 02[B01D]

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