Nippon Shokubai Kagaku Kogyo Co., Ltd.

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 687
 
 
 
B01D SEPARATION 3107
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 3122
 
 
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3108
 
 
 
A62D CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS111
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1147
 
 
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF155
 
 
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 139
 
 
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 125
 
 
 
F23G CREMATION FURNACES; CONSUMING WASTE BY COMBUSTION110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6,335,406 Method for production of absorbent resin excelling in durabilityMar 01, 93Jan 01, 02[C08F]
5,628,975 Method for purifying exhaust gas from a diesel engineJan 24, 94May 13, 97[B01D]
5,550,096 Catalyst for purifying nitrogen oxides from exhaust and waste gasesFeb 09, 95Aug 27, 96[B01J]
5,338,353 Method for production of powder of fine inorganic particlesOct 20, 92Aug 16, 94[C09C]
5,338,810 Method for production of acrylate and acrylate-containing polymerMar 08, 93Aug 16, 94[C08F]
5,304,324 Monodispersed glycol suspension of fine inorganic oxide particles having excellent dispersion stabilityAug 10, 92Apr 19, 94[B01J]
5,296,650 Method for waterproofing with a cross-linked macromolecular waterproofing agentDec 02, 92Mar 22, 94[H02G]
5,286,699 Exhaust gas purifying catalyst suppressing the generation of hydrogen sulfide and method of making the catalystDec 20, 91Feb 15, 94[B01J]
5,264,495 Method for production of salt-resistant absorbent resinApr 26, 91Nov 23, 93[C08F]
5,254,797 Method of treating exhaust gasNov 24, 92Oct 19, 93[F23G, A62D, C01B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
6,087,002 Water absorbent resinOct 29, 97Jul 11, 00[B32B]
5,854,318 Cement additive, method for producing the same, and cement compositionDec 05, 96Dec 29, 98[C04B, C08F, C08K]
5,641,847 Oil-absorbent polymer and use thereforDec 28, 95Jun 24, 97[C08F, C08K]
5,498,670 Coating compositions containing crosslinked spherical fine particlesOct 17, 94Mar 12, 96[C08L]
5,484,841 Method for production of aqueous dispersion of long-chain alkyl graft polymer and aqueous release agentOct 13, 94Jan 16, 96[C08J, C08K, C08L]
5,407,610 Method for molding fiber-reinforced resinJul 22, 93Apr 18, 95[B29C]
5,403,821 Drilling fluid additivesOct 25, 93Apr 04, 95[C09K]
5,382,735 Method of preparing alkylnaphthalene compoundsSep 21, 93Jan 17, 95[C07C]
5,374,600 Oil-absorbent polymer and use thereforSep 27, 93Dec 20, 94[C08F, B01J]
5,329,026 Process for preparation of 2-substituted 1,4-naphthoquinoneNov 28, 90Jul 12, 94[C07C]
5,316,714 Method of improving slipperiness of polyester film using a monodispersed glycol suspension of inorganic oxide particlesMar 13, 89May 31, 94[B29C]
5,284,909 Amphoteric polyelectrolyte, method for production thereof, and organic sludge dehydraterOct 13, 92Feb 08, 94[C08F]
5,275,759 Zirconia sol, method for production thereof, porous ceramic-producing slurry, and porous ceramic product obtained by use thereofNov 13, 92Jan 04, 94[B01J]
5,262,570 Method of producing ethylenediaminesJan 11, 93Nov 16, 93[C07C]
5,252,184 Additive for production of paperOct 21, 91Oct 12, 93[D21H]
5,236,622 Process for producing a monodispersed glycol suspension of fine inorganic oxide particles having excellent dispersion stabilityJul 17, 91Aug 17, 93[B01J]
5,234,870 Zirconia sol and method for production thereofJul 20, 90Aug 10, 93[C04B]
5,235,107 Method of producing ethylenediaminesApr 10, 91Aug 10, 93[C07C]
5,229,487 Method for metered supply of material, apparatus therefor, and method for production of hydrophilic polymer by use thereofJun 22, 90Jul 20, 93[C08F]
5,229,488 Method for manufacture of an absorbent resinSep 04, 90Jul 20, 93[C08F]

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