Gun Ei Chemical Industry Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 3113
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2118
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9403704 Water treatment method and water treatment flocculantAug 05, 10Aug 02, 16[C08G, C02F, C08L]
7087799 Amino group containing phenol derivativeJan 31, 03Aug 08, 06[C07C]
7019045 Amino group containing phenolMay 09, 05Mar 28, 06[C08J]
6653418 Process for preparing polymer compound for resistAug 16, 02Nov 25, 03[C08F]
6242533 Novolak type phenol resinMay 31, 00Jun 05, 01[C08L]
6211328 Phenol resinJun 01, 00Apr 03, 01[C08G, C08L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0255,891 METHOD OF PRODUCING MATERIAL FOR PROTECTIVE GARMENT, MATERIAL FOR PROTECTIVE GARMENT, AND PROTECTIVE GARMENTAbandonedMar 04, 15Sep 08, 16[A41D, B01J]
7267876 Resin-coated sandExpiredMar 31, 04Sep 11, 07[B32B]
2006/0284,346 Resin-coated sandAbandonedAug 11, 06Dec 21, 06[B29C]
6124420 Epoxy resin, epoxy resin composition and hardened product thereofExpiredDec 05, 97Sep 26, 00[C08G]
6001949 Novolak type phenolic resins and methods of manufacturing thereofExpiredDec 13, 95Dec 14, 99[C08G]
5929191 Novolak type phenolic resins and methods of manufacturing thereofExpiredMay 27, 97Jul 27, 99[C08G]
5859168 Novolak type phenolic resins and methods of manufacturing thereofExpiredNov 22, 96Jan 12, 99[C08G]
5230960 Activated carbon fiber structure and process for producing the sameExpiredJan 07, 91Jul 27, 93[D02G, B32B]
4657951 Fibrous material-based friction memberExpiredFeb 10, 86Apr 14, 87[C08J]
4316969 Cured novolak fiber-reinforced, chlorinated rubber molded articles having excellent flame-proofness, and process for the preparation thereofExpiredJul 02, 79Feb 23, 82[C08L]

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