NIPPOH CHEMICALS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07D HETEROCYCLIC COMPOUNDS 9153
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 6132
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF376
 
  
 
B01D SEPARATION 2132
 
  
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 213
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C01C AMMONIA; CYANOGEN; COMPOUNDS THEREOF 113
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 120
 
  
 
C07B GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR 116
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0299,137 METHOD AND APPARATUS FOR PRODUCING HALOHYDANTOIN COMPOUND, RECYCLING SYSTEM, AND HALOHYDANTOIN COMPOUNDNov 15, 13Oct 22, 15[C07D, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9855514 Method and apparatus for producing halohydantoin compound, recycling method, and halohydantoin compoundNov 15, 13Jan 02, 18[C07D, B01D]
9834517 Method for producing halohydantoin compound and halohydantoin compoundNov 15, 13Dec 05, 17[C07D]
9656967 Method for producing halohydantoin compoundNov 15, 13May 23, 17[C07D]
9272922 Inorganic iodide, production method thereof, and production system thereofJan 29, 09Mar 01, 16[C01C, C01B, B01J, C01F, C01D]
8809602 Method of producing iodizing agent, and method of producing aromatic iodine compoundJan 30, 13Aug 19, 14[C25B, C07C, C07B]
8772506 1,3-diiodohydantoin compound and production method thereofDec 16, 10Jul 08, 14[C07D]
8722902 1,3-diiodohydantoin compound and production method thereofDec 16, 10May 13, 14[C07D]
8710240 1,3-diiodohydantoin compound and production method thereofDec 16, 10Apr 29, 14[C07D]
8471053 Process and apparatus for production of cyanohydrin compound, and process for production of α-hydroxyester compoundOct 21, 08Jun 25, 13[C07C]
8268284 System and method for producing iodine compoundJan 29, 09Sep 18, 12[C01B, B01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8648223 Method of producing iodizing agent, and method of producing aromatic iodine compoundExpiredJan 30, 13Feb 11, 14[C07C]
8383868 Method of producing iodizing agent, and method of producing aromatic iodine compoundExpiredMar 07, 08Feb 26, 13[C07C]
2012/0126,168 ALKALI METAL IODIDE SALT SOLUTION AND METHOD FOR PRODUCING THE SAMEAbandonedJan 17, 12May 24, 12[C09K]
2011/0053,034 IONIC LIQUID AND METHOD FOR PRODUCING THE SAMEAbandonedJun 11, 08Mar 03, 11[H01M, B01F, H01G]
7617934 Alkyl iodide storage container and method for purification of alkyl iodideExpiredJun 15, 04Nov 17, 09[B65D, B01D]
7514589 Method for producing aromatic iodidesExpiredDec 28, 05Apr 07, 09[C07C]
5834603 Polymerization initiator compositionExpiredNov 19, 97Nov 10, 98[C08F]
5179221 Method for production of 3-cyano-3,5,5-trimethyl cyclohexanoneExpiredJul 09, 91Jan 12, 93[C07C]
4775589 Coaltar pitch based carbon fiber having high Young's modulusExpiredJul 01, 86Oct 04, 88[D01F, D02G, B32B]
4670586 Method for the production of .alpha.-aryl-alkanoic acidExpiredSep 10, 85Jun 02, 87[C07C]

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