Katayama Chemical, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 352
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 293
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 234
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
B09B DISPOSAL OF SOLID WASTE 110
 
  
 
B27K PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR 18
 
  
 
B63J AUXILIARIES ON VESSELS110
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
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

Publication # Title Filing Date Pub Date Intl Class
2013/0327,718 DEVICE AND METHOD FOR REDUCING THE HYDROGEN PEROXIDE AND PERACETIC ACID CONTENT IN A WATER FLOWJan 19, 12Dec 12, 13[B63J]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9546452 Process for manufacturing paperboardJun 24, 13Jan 17, 17[D21H]
8123958 Method for treating ship ballast waterFeb 17, 06Feb 28, 12[C02F]
7618545 Method for treating ship ballast waterJun 17, 05Nov 17, 09[C02F]
6106770 Method for preventing obstruction in aluminum brass pipes in a water flow pathJul 06, 98Aug 22, 00[C23F]
5760091 Preventive agents against adhesion of marine organisms and methods of preventing such adhesion of marine organismsMar 20, 96Jun 02, 98[A01N]
5416248 Method of removing volatile chlorinated hydrocarbon base materialsOct 19, 92May 16, 95[B09B]
5259985 Calcium carbonate scale inhibitor having organophosphonate, water soluble acrylic or maleic copolymer and citric acidAug 26, 91Nov 09, 93[C02F]
5256423 Method for destroying cyst of noxious planktonOct 04, 91Oct 26, 93[A61K, A01N]
5169563 Water treatment agent and water treatment method for a boilerNov 26, 91Dec 08, 92[C23F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0158,960 IRON-CORROSION INHIBITION METHOD, AND WOOD TREATMENT METHODAbandonedJul 17, 14Jun 09, 16[C09D, B27K]
6773575 Electrolytic cell and process for the production of hydrogen peroxide solution and hypochlorous acidExpiredMar 22, 02Aug 10, 04[C25B, C02F]
6761815 Process for the production of hydrogen peroxide solutionExpiredMar 13, 02Jul 13, 04[C25B]
6461649 Improving quality of flour-baked compositionsExpiredApr 07, 00Oct 08, 02[A21D]
6045684 Process and apparatus for the production of an aqueous solution of hydrogen peroxideExpiredApr 16, 98Apr 04, 00[B01D]
5912389 Stabilizer and stabilizing method for aqueous aliphatic aldehyde solutionExpiredOct 14, 97Jun 15, 99[C07C]
5591759 Aqueous isothiazolone formulationExpiredJan 24, 94Jan 07, 97[C08J, A01N, C02F]
5411990 Industrial microbicide and a method for killing microbes for industrial useExpiredMay 17, 93May 02, 95[A01N]
5397804 Industrial microbicide and a method for killing microbes for industrial useExpiredMar 19, 93Mar 14, 95[A01N]
5366661 Method for forming a stabilized aqueous dispersion of inorganic particles or organic particles for food stuffsExpiredJun 02, 92Nov 22, 94[A23J, B01J, B01F]
5306725 Stabilized isothiazolone liquid formulationExpiredOct 30, 92Apr 26, 94[A01N, C07D]
5026723 Microbicidal/microbiostatic composition for industrial useExpiredApr 14, 89Jun 25, 91[A01N]
5013747 Water-soluble antiseptic or antifungal compositionExpiredNov 07, 89May 07, 91[A61K]
4963586 Microbicidal/microbistatic compositionExpiredApr 14, 89Oct 16, 90[A61K]

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