Inventor
QUINLAN PATRICK M
72 patents
Patents
50 patentsUS4080375AMar 21, 1978
Methylene phosphonates of amino-terminated oxyalkylates and uses therefor
PETROLITE CORP64 citations96
US4341657AJul 27, 1982
Use of quaternized derivatives of polymerized pyridines and quinolines as corrosion inhibitors
PETROLITE CORP29 citations93
US4051110ASep 27, 1977
Methylene phosphonates of polymerized polyalkylenepolyamines
PETROLITE CORP42 citations93
US4670186AJun 2, 1987
Acid inhibitor composition
PETROLITE CORP17 citations82
US4522643AJun 11, 1985
Use of quaternized derivatives of polymerized pyridines and quinolines as microbiocides
PETROLITE CORP19 citations82
US4297484AOct 27, 1981
Quaternized derivatives of polymerized pyridines and quinolines
PETROLITE CORP20 citations82
US4113709ASep 12, 1978
Polyquaternary polythiazines
PETROLITE CORP29 citations82
US4071746AJan 31, 1978
Alkylbenzyl pyridinium compounds and uses
PETROLITE CORP26 citations82
US4539140ASep 3, 1985
Mixtures of non-halogen salts of nitrogen heterocyclics and nitrogen-sulfur heterocyclics
PETROLITE CORP7 citations74
US4525296AJun 25, 1985
Halide free corrosion inhibitors
PETROLITE CORP6 citations74
US4418195ANov 29, 1983
Silicon-containing quaternary ammonium thiazines
PETROLITE CORP16 citations74
US4358382ANov 9, 1982
Use of quaternized derivatives of polymerized pyridines and quinolines as water clarifiers
PETROLITE CORP16 citations74
US4339347AJul 13, 1982
Use of quaternized derivatives of polymerized pyridines and quinolines as demulsifiers
PETROLITE CORP18 citations74
US4331554AMay 25, 1982
Demulsification process with thiazine quaternary ammonium salts of polyepihalohydrin
PETROLITE CORP14 citations74
US4323461AApr 6, 1982
Process of inhibiting scale formation in aqueous systems using di-quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids
PETROLITE CORP8 citations74
US4323459AApr 6, 1982
Process of inhibiting scale formation in aqueous systems using quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids
PETROLITE CORP14 citations74
US4217329AAug 12, 1980
Sulfone containing quaternary ammonium derivatives of 1,4-thiazines
PETROLITE CORP9 citations74
US4212764AJul 15, 1980
Quaternary polyvinyl heterocyclic compositions and use as corrosion inhibitors
PETROLITE CORP17 citations74
US4206233AJun 3, 1980
Microbiocidal quaternaries of halogen derivatives of alkynoxymethyl amines
PETROLITE CORP11 citations74
US4188359AFeb 12, 1980
Thioether containing quartenary ammonium derivatives of 1,4-thiazines
PETROLITE CORP16 citations74
US4187277AFeb 5, 1980
Process of inhibiting corrosion with quaternaries of halogen derivatives of alkynoxymethyl amines
PETROLITE CORP14 citations74
US4164574AAug 14, 1979
Use of polyquaternary ammonium methylene phosphonates as microbiocides
PETROLITE CORP8 citations74
US4088574AMay 9, 1978
Employing methylene phosphonates of oxyalkylated polyalkylene polyamines in chelation and/or scale inhibition
PETROLITE CORP7 citations74
US4075243AFeb 21, 1978
Polyquaternary ammonium methylene phosphonates
PETROLITE CORP6 citations74
US4065260ADec 27, 1977
Halogen derivatives of alkynoxymethyl amines as corrosion inhibitors
PETROLITE CORP5 citations74
US4057390ANov 8, 1977
Sulfur-containing bis-quaternaries
PETROLITE CORP13 citations74
US4035412AJul 12, 1977
Methylene phosphonates of poly-diepoxidized polyalkylene polyamines
PETROLITE CORP7 citations74
US4026946AMay 31, 1977
Halogen derivatives of alkynoxymethyl amines
PETROLITE CORP6 citations74
US4012440AMar 15, 1977
Methylene phosphonates of oxyalkylated polyalkylene polyamines and uses therefor
PETROLITE CORP9 citations74
US3966630AJun 29, 1976
Use of polyquaternary ammonium methylene phosphonates in chelating or scale inhibition
PETROLITE CORP11 citations74
US4120654AOct 17, 1978
Alkynoxymethyl amines as corrosion inhibitors
PETROLITE CORP12 citations72
US4026807AMay 31, 1977
Alkynoxymethyl amines
PETROLITE CORP7 citations72
US4578243AMar 25, 1986
Inhibiting corrosion with quaternary ammonium derivatives of 1,4-thiazine sulfonic acids
PETROLITE CORP5 citations63
US4569992AFeb 11, 1986
Quaternary ammonium derivatives of 1,4 thiazine sulfonic acids
PETROLITE CORP2 citations63
US4514320AApr 30, 1985
Halide free corrosion inhibitors
PETROLITE CORP3 citations63
US4372775AFeb 8, 1983
Inhibition of microbiological growth with thiazine quaternary ammonium salts of polyepihalohydrin
PETROLITE CORP2 citations63
US4371497AFeb 1, 1983
Inhibition of corrosion with thiazine quaternary ammonium salts of polyepihalophydrin
PETROLITE CORP5 citations63
US4343720AAug 10, 1982
Quaternary alkynoxymethyl amines
PETROLITE CORP6 citations63
US4336156AJun 22, 1982
Quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids
PETROLITE CORP6 citations63
US4332799AJun 1, 1982
Quaternaries of tertiary amino-substituted thiazines
PETROLITE CORP4 citations63
US4316007AFeb 16, 1982
Thiazine quaternary ammonium salts of polyepihalohydrin
PETROLITE CORP3 citations63
US4312832AJan 26, 1982
Polymerization of aromatic nitrogen heterocyclic compounds
PETROLITE CORP2 citations63
US4312831AJan 26, 1982
Quaternaries of tertiary amino-substituted thiazines
PETROLITE CORP2 citations63
US4312830AJan 26, 1982
Tertiary amino-substituted thiazines
PETROLITE CORP2 citations63
US4275191AJun 23, 1981
Polymerization of aromatic nitrogen heterocyclic compounds
PETROLITE CORP2 citations63
US4264767AApr 28, 1981
α-1,4-Thiazine alkanephosphonic acids
PETROLITE CORP3 citations63
US4264768AApr 28, 1981
Di-quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids
PETROLITE CORP2 citations63
US4263433AApr 21, 1981
Tertiary amino-substituted thiazines
PETROLITE CORP5 citations63
US4248796AFeb 3, 1981
Quaternary alkynoxymethyl amines
PETROLITE CORP3 citations63
US4200634AApr 29, 1980
Sulfone containing quaternary ammonium derivatives of 1,4-thiazines as microbiocides
PETROLITE CORP4 citations63
Showing the top 50 of 72 patents by PatentIndex Score.