MAINTECH CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON524
 
  
 
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 488
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 355
 
  
 
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 335
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
D06M TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS 125

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9458572 Method of using an anti-soiling agent compositionAug 13, 15Oct 04, 16[C08G, C09D, D21H, C08L, D21C]
9005394 Anti-soiling agent compositionJun 10, 11Apr 14, 15[C08G, B08B, C09D, D21H, D06M, C08L, B32B]
8883890 Crepe agent composition and method for producing crepe paperOct 16, 09Nov 11, 14[D21H, C08K]
7585393 Anti-staining agent for paper machine, and method for preventing stains using the sameJul 29, 02Sep 08, 09[D21F]
7323086 Pollution prevention method for canvas used in paper machineSep 14, 99Jan 29, 08[D21F]
7144478 Pollution control method for cylindrical dryer used in paper machineSep 14, 99Dec 05, 06[D21F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0240,419 NOZZLE DEVICEAbandonedAug 24, 12Aug 27, 15[B05B, D21F]
2014/0128,521 ANTI-SOILING AGENT COMPOSITIONAbandonedJul 04, 11May 08, 14[C09D]
2009/0159,229 Functional Composition, and Method for Improvement in Detachability of Wet Paper Using the SameAbandonedDec 19, 06Jun 25, 09[C08G, C07C, D21F]
2006/0213,631 Staining prevention method for dry part of paper machine and staining inhibitor used for the methodAbandonedMar 29, 04Sep 28, 06[D21H, C08L]
2006/0162,889 Method for providing canvas of paper-making machine with anti-staining agent through sprinkling, and sliding sprinkle device and anti-staining agent for use thereinAbandonedDec 25, 03Jul 27, 06[D21F]
2006/0157,214 Method of preventing raveling of surface of paper body in paper machine, printing paper for offset printing, and mold releasing agentAbandonedFeb 18, 04Jul 20, 06[C04B, B28B, D21F]
2006/0086,827 Liquid spray unit, method for spraying liquid using it, and chemicalAbandonedSep 12, 02Apr 27, 06[B05B]
6858113 Pollution prevention method for cylindrical dryer used in paper machineExpiredMar 26, 01Feb 22, 05[D21F]
2004/0238,139 Core raw paper for corrugated boards, and method of producing the sameAbandonedJul 19, 04Dec 02, 04[D21H]
6468394 Method of preventing over-adhesion of paper onto press roll of paper machineExpiredNov 30, 00Oct 22, 02[D21H]
6454901 Method of making quality crepe paperExpiredApr 24, 01Sep 24, 02[B31F, D21F]

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