FOOSUNG CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 6132
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 3106
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8952209 Method and apparatus for continuously producing 1,1,1,2,3-pentafluoropropane with high yieldMar 13, 13Feb 10, 15[C07C, B01J]
7504547 Method of preparing perfluoroalkadieneMay 02, 07Mar 17, 09[C07C]
7413722 Method and apparatus for manufacturing nitrogen trifluorideAug 04, 05Aug 19, 08[C01B]
7319174 Dry-etching gas for semiconductor process and preparation method thereofSep 25, 06Jan 15, 08[C07C]
7268238 Manufacturing method and apparatus of 4-fluoroethylene carbonateMar 07, 05Sep 11, 07[C07D]
7232789 Catalyst for preparation of pentafluoroethane and preparation method thereofNov 30, 05Jun 19, 07[B01J]
6387340 Manufacturing method for lithium hexafluoro phosphateDec 29, 99May 14, 02[C01B]
6162955 Manufacturing method for perfluoroethaneJun 12, 00Dec 19, 00[C07C]
5723700 Method for concurrently producing 1,1,1,2-tetrafluoroethane and pentafluoroethaneSep 05, 96Mar 03, 98[C07C]
5495057 Method for the preparation of difluoromethaneMar 02, 95Feb 27, 96[C07C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0110,685 METHOD AND APPARATUS FOR CONTINUOUSLY PRODUCING 1,1,1,2,3-PENTAFLUOROPROPANE WITH HIGH YIELDAbandonedDec 30, 14Apr 23, 15[B01J]
2010/0121,116 PROCESS FOR PREPARING OCTAFLUOROCYCLOHEXADIENEAbandonedFeb 19, 09May 13, 10[C07C]
2010/0121,117 PROCESS FOR PREPARING DECAFLUOROCYCLOHEXENEAbandonedFeb 19, 09May 13, 10[C07C]
2010/0104,497 METHOD AND APPARATUS FOR PREPARING TUNGSTEN HEXAFLUORIDE USING A FLUIDIZED BED REACTORAbandonedFeb 19, 09Apr 29, 10[C01B, F28D]
2010/0048,918 Method of manufacturing vinylethylene carbonateAbandonedJan 16, 09Feb 25, 10[C07D]
2008/0203,353 DRY-ETCHING GAS FOR SEMICONDUCTOR PROCESSAbandonedJan 14, 08Aug 28, 08[C09K]
2006/0289,076 Method of charging low temperature liquified gasAbandonedApr 17, 06Dec 28, 06[F17C, B65B]
2006/0278,299 Method of charging low temperature liquified gasAbandonedApr 17, 06Dec 14, 06[F17C, B65B]
6841705 Method of producing difluoromethaneExpiredFeb 24, 03Jan 11, 05[C07C]

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