PQ CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1693
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF1663
 
  
 
B01D SEPARATION 9125
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR392
 
  
 
C12H PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION, AGEING OF ALCOHOLIC BEVERAGES OR REMOVAL OF ALCOHOL THEREFROM 35
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2123
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
A23D EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS 124
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 120
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0090,525 SILICA GEL AS A VISCOSIFIER FOR SUBTERRANEAN FLUID SYSTEMMay 23, 14Mar 31, 16[C09K]
2014/0187,411 PREPARATION OF SILICA-ALUMINA COMPOSITIONDec 18, 13Jul 03, 14[B01J]
2012/0269,719 LARGE CRYSTAL, ORGANIC-FREE CHABAZITE, METHODS OF MAKING AND USING THE SAMEApr 17, 12Oct 25, 12[C01B, B01D]
2011/0286,914 NOVEL METAL-CONTAINING ZEOLITE BETA FOR NOx REDUCTION AND METHODS OF MAKING THE SAMEMay 18, 11Nov 24, 11[C01B, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9827560 Small crystal ferrierite and method of making the sameNov 05, 13Nov 28, 17[C01B, B01J, B01D]
9517458 English Title Not AvailableNov 30, 12Dec 13, 16[C01B, B01J, B01D]
9458023 Use of aqueous alkali aluminosilicate for profile modification, water control and stabilizationSep 09, 13Oct 04, 16[C01B, E21B]
9308521 Zeolite YJan 16, 14Apr 12, 16[C01B, C07C, B01J]
9228029 Catalyst supports, catalysts and their manufacture and useJun 23, 11Jan 05, 16[C08F, B01J]
9212304 Use of high ratio aqueous alkali silicates in drilling fluidsMar 20, 12Dec 15, 15[C09K]
8911322 Low stroke length locking differential with high locking engagement lengthMar 15, 13Dec 16, 14[F16H]
8541331 Iron-containing aluminosilicate zeolites and methods of making and using sameAug 13, 08Sep 24, 13[B01J]
8518369 Zeolite impregnated with titanium dioxideJun 29, 12Aug 27, 13[C01B]
8512659 Iron-containing aluminosilicate zeolites and methods of making and using sameFeb 16, 10Aug 20, 13[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9090716 Catalyst supports, catalysts and their manufacture and useWithdrawnJun 23, 11Jul 28, 15[C08F, B01J]
2013/0180,431 ZEOLITE AND LIME COMBINATIONS FOR WARM MIX ASPHALTAbandonedJul 19, 12Jul 18, 13[C08L]
2013/0118,378 SILICA HYDROGEL IMPREGNATED WITH TiO2 AND METHOD OF MAKING SAMEAbandonedAug 05, 11May 16, 13[C09D]
2012/0251,422 Fe-SAPO-34 CATALYST AND METHODS OF MAKING AND USING THE SAMEAbandonedApr 03, 12Oct 04, 12[B01J, B01D]
2012/0245,062 USE OF HIGH RATIO AQUEOUS ALKALI SILICATES FOR PROFILE MODIFICATION, WATER CONTROL AND STABILIZATIONAbandonedMar 20, 12Sep 27, 12[C09K, C04B]
2010/0278,723 ZEOLITE YAbandonedApr 28, 10Nov 04, 10[C01B]
7524536 Surface protective compositionsExpiredJun 21, 05Apr 28, 09[B05D, C11D]
2004/0141,911 High surface zeolites and methods for preparation and use thereofAbandonedNov 25, 03Jul 22, 04[C01B, B01J]
2003/0152,510 TS-PQ titano-silicate molecular sieves and methods for synthesis and use thereofAbandonedNov 15, 02Aug 14, 03[C01B]
2002/0164,400 Method for minimizing beta glucan problems in beer brewingAbandonedMar 05, 01Nov 07, 02[C12C]
6414071 Aluminosilicate stabilized halogenated polymersExpiredJul 31, 00Jul 02, 02[C08K]
6403642 Sulfur adsorbent for reducing onion or garlic breath odorExpiredAug 14, 00Jun 11, 02[A61K]
6177375 High activity olefin polymerization catalystsExpiredMar 09, 98Jan 23, 01[C08F, B01J]
6001764 Olefin polymerization catalysts with specific silica supportsExpiredMay 08, 98Dec 14, 99[B01J]
5785940 Silicate reactor with submerged burnersExpiredMar 18, 96Jul 28, 98[C01B]
5776242 Silicate-dextrin clay adhesive compositionsExpiredNov 04, 96Jul 07, 98[C09J]
5776893 Crystalline Hydrated layered sodium and potassium silicates and method of producing sameExpiredJun 06, 95Jul 07, 98[C01B, C11D]
5767061 Composite silicate materialsExpiredJan 22, 97Jun 16, 98[C11D]
5739098 Crystalline sodium potassium silicatesExpiredJul 05, 94Apr 14, 98[C01B, C11D]
5693304 Amorphous alkali metal silicate process and usesExpiredJun 01, 95Dec 02, 97[C01B]

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