Assignee
FILTROL CORP
41 patents
Top patents by PatentIndex Score
US4206085AJun 3, 1980
Balanced alumina matrix in zeolite containing catalyst
FILTROL CORP40 citations92
US4086187AApr 25, 1978
Attrition resistant zeolitic catalyst
FILTROL CORP48 citations92
US4085069AApr 18, 1978
Hydrothermally stable catalysts containing ammonium faujasite zeolites
FILTROL CORP31 citations92
US4196101AApr 1, 1980
Process for forming alumina pellets containing titania and process for producing hydrodesulfurization catalyst containing the pellets
FILTROL CORP32 citations90
US4010116AMar 1, 1977
Fluid cracking catalysts
FILTROL CORP34 citations89
US4333857AJun 8, 1982
Attrition resistant zeolite containing catalyst
FILTROL CORP18 citations82
US4310441AJan 12, 1982
Large pore silica-alumina gels and method of producing the same
FILTROL CORP23 citations82
US4239651ADec 16, 1980
Cracking catalyst and method of producing the same
FILTROL CORP23 citations82
US4228137AOct 14, 1980
Method of producing faujasite zeolites employing seeding techniques
FILTROL CORP19 citations82
US4198319AApr 15, 1980
Method of producing zeolitic catalysts with silica alumina matrix
FILTROL CORP21 citations82
US4142994AMar 6, 1979
Shaped catalyst support
FILTROL CORP18 citations82
US3962135AJun 8, 1976
Shaped catalyst support
FILTROL CORP37 citations81
US4388222AJun 14, 1983
Ni/Co Mo P On titania-alumina hydrodesulfurizing catalyst
FILTROL CORP24 citations80
US4332782AJun 1, 1982
Method of producing pseudoboehmite
FILTROL CORP21 citations78
US4313923AFeb 2, 1982
Method of producing pseudoboehmites
FILTROL CORP21 citations75
US4264474AApr 28, 1981
Ammoniated silica-alumina gel and catalyst containing the same and processes for producing same
FILTROL CORP6 citations74
US4240932ADec 23, 1980
Exchanged mordenite catalysts and processes for producing the same
FILTROL CORP7 citations74
US4234457ANov 18, 1980
Crystallized silica-alumina cogel and catalyst employing the same
FILTROL CORP10 citations74
US4224188ASep 23, 1980
Aluminum faujasites, catalyst containing same and process of producing same
FILTROL CORP17 citations74
US4192778AMar 11, 1980
Rare earth exchange faujasite zeolite catalyst containing same and process for producing same
FILTROL CORP14 citations74
US4164483AAug 14, 1979
Rare earth exchange X zeolites, catalyst employing the same and method for producing the same
FILTROL CORP7 citations74
US4142995AMar 6, 1979
Method of producing zeolitic catalysts with silica alumina matrix
FILTROL CORP17 citations74
US4100108AJul 11, 1978
Zeolitic catalysts and method of producing same
FILTROL CORP10 citations74
US4058484ANov 15, 1977
Ammonium faujasite zeolites
FILTROL CORP7 citations74
US4347164AAug 31, 1982
Mono- and poly-metallic supported catalysts
FILTROL CORP10 citations73
US4325845AApr 20, 1982
Zeolite catalysts and method of producing the same
FILTROL CORP10 citations73
US4269815AMay 26, 1981
Method of exchanging sodium zeolite
FILTROL CORP12 citations71
US4018714AApr 19, 1977
Hydrodesulfurization catalyst and process for producing the same
FILTROL CORP16 citations71
US4356113AOct 26, 1982
Substrates with calibrated pore size and catalysts employing the same
FILTROL CORP18 citations69
US4297325AOct 27, 1981
Method of producing pseudoboehmite from aluminum salt solutions
FILTROL CORP8 citations66
US4325847AApr 20, 1982
Use of additional alumina for extra zeolite stability in FCC catalyst
FILTROL CORP14 citations65
US4253989AMar 3, 1981
Zeolitic catalyst and method of producing same
FILTROL CORP7 citations65
US4259210AMar 31, 1981
Crystalline alumino silicate-silica-alumina gel hydrocarbon conversion catalysts and processes for producing same
FILTROL CORP5 citations63
US4252684AFeb 24, 1981
Crystallized silica-alumina cogel and catalyst employing the same
FILTROL CORP3 citations63
US4246138AJan 20, 1981
Crystalline alumino silicate-silica-alumina gel catalysts and processes for producing same
FILTROL CORP4 citations63
US4238360ADec 9, 1980
Ammoniated silica-alumina gel and catalyst containing the same and processes for producing same
FILTROL CORP5 citations63
US4238361ADec 9, 1980
Ammoniated silica-alumina gel and catalyst containing the same and processes for producing same
FILTROL CORP5 citations63
US4215016AJul 29, 1980
Exchanged faujasite zeolite catalyst containing same and process for producing same
FILTROL CORP2 citations63
US4237031ADec 2, 1980
Crystallized silica-alumina cogel and catalyst employing the same
FILTROL CORP5 citations54
US4198321AApr 15, 1980
Hydroprocessing catalysts
FILTROL CORP1 citations52
US4362652ADec 7, 1982
Cracking catalysts containing silica-alumina gels
FILTROL CORP0 citations42