KH Chemicals Co., LTD

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D01F CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 134

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7329398 Preparation of carbon nanotubesSep 06, 01Feb 12, 08[D01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8278010 Carbon nanotube electrode comprising sulfur or metal nanoparticles as a binder and process for preparing the sameExpiredMay 25, 07Oct 02, 12[H01M]
8012904 Acid resistant ceramic materials, filter using the same, and preparation of themExpiredMar 07, 06Sep 06, 11[C04B, B01J]
7531267 Process for preparing carbon nanotube electrode comprising sulfur or metal nanoparticles as a binderExpiredFeb 19, 04May 12, 09[H01M]
2009/0045,005 Acoustic Diaphragm and Speakers Having the SameAbandonedOct 13, 06Feb 19, 09[H04R]
2008/0260,188 Acoustic Diaphragm and Speaker Having the SameAbandonedOct 30, 06Oct 23, 08[H04R]
7393809 Catalyst for purification of diesel engine exhaust gasExpiredSep 07, 04Jul 01, 08[B01J]
2007/0248,528 Method for the Preparation of High Purity Carbon Nanotubes Using WaterAbandonedNov 29, 04Oct 25, 07[B82B]
2007/0224,104 Method for the Preparation of Y-Branched Carbon NanotubesAbandonedFeb 04, 05Sep 27, 07[B82B]
6855661 Catalyst for purification of diesel engine exhaust gasExpiredJul 16, 02Feb 15, 05[B01J]

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