Assignee
BETZ LABORATORIES
US579 patents
Top patents by PatentIndex Score
US4680127AJul 14, 1987
Method of scavenging hydrogen sulfide
BETZ LABORATORIES167 citations98
US4648043AMar 3, 1987
Computerized system for feeding chemicals into water treatment system
BETZ LABORATORIES179 citations97
US5446220AAug 29, 1995
Methods for inhibiting vinyl aromatic monomer polymerization
BETZ LABORATORIES56 citations96
US5256305AOct 26, 1993
Method for breaking emulsions in a crude oil desalting system
BETZ LABORATORIES59 citations96
US5248438ASep 28, 1993
Methods of controlling scale formation in aqueous systems
BETZ LABORATORIES48 citations96
US5234604AAug 10, 1993
Water soluble block copolymers and methods of use therof
BETZ LABORATORIES61 citations96
US5194174AMar 16, 1993
Methods for suppressing fugitive dust emissions
BETZ LABORATORIES104 citations96
US5158622AOct 27, 1992
Method and composition for treatment of aluminum
BETZ LABORATORIES38 citations96
US5079036AJan 7, 1992
Method of inhibiting freezing and improving flow and handleability characteristics of solid, particulate materials
BETZ LABORATORIES82 citations96
US4971720ANov 20, 1990
Method for suppressing process dust emissions
BETZ LABORATORIES48 citations96
US4927519AMay 22, 1990
Method for controlling fouling deposit formation in a liquid hydrocarbonaceous medium using multifunctional antifoulant compositions
BETZ LABORATORIES68 citations96
US4927561AMay 22, 1990
Multifunctional antifoulant compositions
BETZ LABORATORIES63 citations96
US4913822AApr 3, 1990
Method for control of scale and inhibition of corrosion in cooling water systems
BETZ LABORATORIES74 citations96
US4840720AJun 20, 1989
Process for minimizing fouling of processing equipment
BETZ LABORATORIES87 citations96
US4780143AOct 25, 1988
Methods for suppressing cement clinker dust emissions
BETZ LABORATORIES56 citations96
US4780233AOct 25, 1988
Dust suppression methods and compositions
BETZ LABORATORIES76 citations96
US4732905AMar 22, 1988
Biocidal compositions and use thereof containing a synergistic mixture of 2-bromo-2-nitropropane-1,3-diol and a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one
BETZ LABORATORIES50 citations96
US4659481AApr 21, 1987
Water treatment polymers and methods of use thereof
BETZ LABORATORIES74 citations96
US4578178AMar 25, 1986
Method for controlling fouling deposit formation in a petroleum hydrocarbon or petrochemical
BETZ LABORATORIES64 citations96
US5658487AAug 19, 1997
Polymeric dithiocarbamate acid salt compositions and method of use
BETZ LABORATORIES49 citations95
US5396004AMar 7, 1995
Compositions and methods for inhibiting vinyl aromatic monomer polymerization
BETZ LABORATORIES50 citations95
US5282957AFeb 1, 1994
Methods for inhibiting polymerization of hydrocarbons utilizing a hydroxyalkylhydroxylamine
BETZ LABORATORIES104 citations95
US5114607AMay 19, 1992
Low foaming alkaline cleaner comprising a surfactant mixture of an EO-PO-EO block copolymer and a PO-ZO-PO block copolymer
BETZ LABORATORIES61 citations95
US4995987AFeb 26, 1991
Enhancement of the efficacy of antimicrobials by the addition of anions capable of interfering with microbial electrochemical reactions
BETZ LABORATORIES85 citations95
US4720566AJan 19, 1988
Method and composition for inhibiting acrylonitrile polymerization
BETZ LABORATORIES61 citations95
US4289645ASep 15, 1981
Hydroquinone and mu-amine compositions
BETZ LABORATORIES60 citations95
US5518629AMay 21, 1996
Methods for controlling scale formation in acqueous systems
BETZ LABORATORIES63 citations94
US5451431ASep 19, 1995
Composition and process for treating metal surfaces
BETZ LABORATORIES61 citations94
US5389405AFeb 14, 1995
Composition and process for treating metal surfaces
BETZ LABORATORIES46 citations94
US5328525AJul 12, 1994
Method and composition for treatment of metals
BETZ LABORATORIES52 citations94
US5062962ANov 5, 1991
Methods of controlling scale formation in aqueous systems
BETZ LABORATORIES69 citations94
US4744950AMay 17, 1988
Method of inhibiting the corrosion of copper in aqueous mediums
BETZ LABORATORIES65 citations94
US4443340AApr 17, 1984
Control of iron induced fouling in water systems
BETZ LABORATORIES88 citations94
US4303568ADec 1, 1981
Corrosion inhibition treatments and method
BETZ LABORATORIES96 citations94
US5626718AMay 6, 1997
Use of polymers in the recycled fiber washing/deinking process
BETZ LABORATORIES98 citations93
US5389299AFeb 14, 1995
High temperature hydrocarbon defoamer composition and method
BETZ LABORATORIES29 citations93
US5302308AApr 12, 1994
Methods for controlling dust in high temperature systems
BETZ LABORATORIES28 citations93
US5271859ADec 21, 1993
Methods for controlling dust in high temperature systems
BETZ LABORATORIES29 citations93
US5271841ADec 21, 1993
Method for removing benzene from effluent wash water in a two stage crude oil desalting process
BETZ LABORATORIES25 citations93
US5256444AOct 26, 1993
Method for suppressing dust emissions from bulk solids
BETZ LABORATORIES45 citations93
US5256169AOct 26, 1993
Methods and compositions for dewatering and suppressing dust during processing of fine coal
BETZ LABORATORIES24 citations93
US5250174AOct 5, 1993
Method of breaking water-in-oil emulsions by using quaternary alkyl amine ethoxylates
BETZ LABORATORIES23 citations93
US5169560ADec 8, 1992
Control of foam in hydrocarbon fluids
BETZ LABORATORIES26 citations93
US5143645ASep 1, 1992
Method for suppressing process dust emissions using a salt of a fatty acid as a foaming agent
BETZ LABORATORIES44 citations93
US5063213ANov 5, 1991
Biocidal compositions and use thereof containing a synergistic mixture of n-tributyl tetradecyl phosphonium chloride and bromochlorohydantoin
BETZ LABORATORIES25 citations93
US4966775AOct 30, 1990
Biocidal compositions and use thereof
BETZ LABORATORIES39 citations93
US4944885AJul 31, 1990
Water treatment polymers and methods of use thereof
BETZ LABORATORIES31 citations93
US4897218AJan 30, 1990
Methods for suppressing cement clinker dust emissions
BETZ LABORATORIES37 citations93
US4895663AJan 23, 1990
Water treatment polymers and methods of use thereof
BETZ LABORATORIES27 citations93
US4869845ASep 26, 1989
Water treatment compositions
BETZ LABORATORIES26 citations93
Showing the top 50 of 579 patents by PatentIndex Score.