Assignee
PQ CORP
US96 patents
Top patents by PatentIndex Score
US5601798AFeb 11, 1997
Process for preparing zeolite Y with increased mesopore volume
PQ CORP137 citations97
US4420442ADec 13, 1983
Manufacturing process for hollow microspheres
PQ CORP152 citations97
US4626550ADec 2, 1986
Zeolite for personal care products
PQ CORP85 citations96
US5723402AMar 3, 1998
Silicas with specific contents of cations as supports for olefin polymerization catalysts
PQ CORP55 citations94
US4421562ADec 20, 1983
Manufacturing process for hollow microspheres
PQ CORP115 citations94
US4540629ASep 10, 1985
Hollow microspheres with organosilicon-silicate walls
PQ CORP109 citations93
US7883678B2Feb 8, 2011
Microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same
PQ CORP15 citations92
US7645718B2Jan 12, 2010
Microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same
PQ CORP40 citations92
US5435987AJul 25, 1995
Process for preparing ammonium zeolites of low alkali metal content
PQ CORP21 citations92
US4752341AJun 21, 1988
Pigment system for paper
PQ CORP51 citations92
US4508742AApr 2, 1985
Treating beer to prevent chill haze and metal contamination
PQ CORP27 citations92
US4216125AAug 5, 1980
Detergent compositions with silane-zeolite silicate builder
PQ CORP46 citations92
US4138363AFeb 6, 1979
Silane-zeolite compositions
PQ CORP32 citations92
US4117105ASep 26, 1978
Process for preparing dispersible boehmite alumina
PQ CORP77 citations92
US6001764ADec 14, 1999
Olefin polymerization catalysts with specific silica supports
PQ CORP21 citations91
US4379143AApr 5, 1983
Topical liquid or ointment
PQ CORP113 citations91
US5534348AJul 9, 1996
Hollow borosilicate microspheres and method of making
PQ CORP104 citations90
US4349533ASep 14, 1982
Toothpaste containing pH-adjusted zeolite
PQ CORP34 citations90
US5895770AApr 20, 1999
Olefin polymerization catalysts with specific silica supports
PQ CORP41 citations89
US4362715ADec 7, 1982
Cosmetic vehicle
PQ CORP43 citations89
US5242677ASep 7, 1993
Stable zeolite of low unit cell constant and method of making same
PQ CORP27 citations88
US4411847AOct 25, 1983
Process for surface modified hollow microspheres
PQ CORP36 citations88
US4340642AJul 20, 1982
Surface modified hollow microspheres
PQ CORP44 citations88
US5985238ANov 16, 1999
Process for preparing ferrierite
PQ CORP28 citations86
US5391385AFeb 21, 1995
Method of frying oil treatment using an alumina and amorphous silica composition
PQ CORP96 citations86
US4347890ASep 7, 1982
Method for binding particulate materials
PQ CORP48 citations86
US6248911B1Jun 19, 2001
Process and composition for refining oils using metal-substituted silica xerogels
PQ CORP55 citations85
US5409980AApr 25, 1995
Flame retardant compositions
PQ CORP30 citations84
US9517458B2Dec 13, 2016
Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NOx
PQ CORP9 citations83
US6096820AAug 1, 2000
Aluminosilicate stabilized halogenated polymers
PQ CORP36 citations83
US6555151B2Apr 29, 2003
Process for making and using a low beverage soluble iron content adsorbent and composition made thereby
PQ CORP14 citations82
US4243545AJan 6, 1981
Detergent compositions with silane-zeolite silicate builder
PQ CORP21 citations82
US5785940AJul 28, 1998
Silicate reactor with submerged burners
PQ CORP25 citations80
US4766000AAug 23, 1988
Prevention of chill haze in beer
PQ CORP22 citations75
US7550404B2Jun 23, 2009
Wood-polymer-zeolite composites
PQ CORP18 citations74
US6521208B1Feb 18, 2003
Process for preparing a modified zeolite
PQ CORP9 citations73
US4563441AJan 7, 1986
Composition for treating beer to prevent chill haze and metal contamination
PQ CORP8 citations73
US5001102AMar 19, 1991
Heterogeneous catalysts
PQ CORP12 citations72
US4704424ANov 3, 1987
Thermoplastic materials
PQ CORP10 citations72
US9827560B2Nov 28, 2017
Small crystal ferrierite and method of making the same
PQ CORP5 citations71
US6887822B2May 3, 2005
Method for making silica supported, crush-resistant catalysts
PQ CORP10 citations71
US7045475B2May 16, 2006
High refractive index glass beads for high retroreflectivity surfaces
PQ CORP9 citations70
US4474594AOct 2, 1984
Method for forming compacted bodies of glassmaking raw materials
PQ CORP12 citations70
US4346071AAug 24, 1982
Rehydrated silica gel dentifrice abrasive
PQ CORP9 citations70
US7538067B2May 26, 2009
Composition of, and process for preparing, silica xerogel for beer stabilization
PQ CORP6 citations69
US7229655B2Jun 12, 2007
Composition of, and process for using, silica xerogel for beer stabilization
PQ CORP6 citations69
US5776893AJul 7, 1998
Crystalline Hydrated layered sodium and potassium silicates and method of producing same
PQ CORP5 citations69
US5643358AJul 1, 1997
Crystalline hydrated layered sodium and potassium silicates and method of producing same
PQ CORP6 citations69
US5624651AApr 29, 1997
Stable high solids, high ratio alkali metal silicate solutions
PQ CORP11 citations69
US5149553ASep 22, 1992
Beer processing and composition
PQ CORP10 citations69
Showing the top 50 of 96 patents by PatentIndex Score.