JFE HOLDINGS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5466720 Method of producing dimethyl etherOct 12, 94Nov 14, 95[C07C]
5389689 Method of producing dimethyl etherSep 09, 93Feb 14, 95[C07C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0120,953 Method for preparing synthesis gas, method for preparing dimethyl ether using synthesis gas, and furnace for preparing synthesis gasAbandonedMar 05, 04Jun 08, 06[C01B]
7033972 Catalyst for producing dimethyl ether, method for producing catalyst and method for producing dimethyl etherExpiredSep 09, 04Apr 25, 06[B01J]
7015255 Medium oil for slurry-bed reaction process and process of producing dimethyl etherExpiredFeb 29, 00Mar 21, 06[C07C]
2006/0052,647 Method for producing dimethyl etherAbandonedOct 19, 05Mar 09, 06[C07C, B01J]
6800665 Method for producing dimethyl etherExpiredJan 13, 03Oct 05, 04[C07C]
6562306 Apparatus for producing dimethyl etherExpiredJun 02, 00May 13, 03[C07C, B01J]
2002/0132,155 Manufacturing method of hydrogen and synthesis gasAbandonedOct 30, 01Sep 19, 02[C01B, H01M]
6147125 Method and apparatus for producing dimethyl etherExpiredApr 24, 97Nov 14, 00[C07C, B01J]

Top Inventors for This Owner

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