Assignee
BETZ LABORATORIES
US·579 granted patents·12,239 citations·filing 1973–1995
Top patents by PatentIndex Score
579 records- 0197US4648043AComputerized system for feeding chemicals into water treatment systemBETZ LABORATORIES·Filed 1984·Granted Mar 3, 1987·179 cites·29 claims
- 0296US4680127AMethod of scavenging hydrogen sulfideBETZ LABORATORIES·Filed 1985·Granted Jul 14, 1987·167 cites·15 claims
- 0395US5446220AMethods for inhibiting vinyl aromatic monomer polymerizationBETZ LABORATORIES·Filed 1994·Granted Aug 29, 1995·56 cites·10 claims
- 0495US4929778AMethods and compositions for inhibiting styrene polymerizationBETZ LABORATORIES·Filed 1989·Granted May 29, 1990·51 cites·30 claims
- 0595US4840720AProcess for minimizing fouling of processing equipmentBETZ LABORATORIES·Filed 1988·Granted Jun 20, 1989·87 cites·21 claims
- 0695US4303568ACorrosion inhibition treatments and methodBETZ LABORATORIES·Filed 1979·Granted Dec 1, 1981·96 cites·46 claims
- 0794US5248438AMethods of controlling scale formation in aqueous systemsBETZ LABORATORIES·Filed 1992·Granted Sep 28, 1993·48 cites·3 claims
- 0894US5194174AMethods for suppressing fugitive dust emissionsBETZ LABORATORIES·Filed 1991·Granted Mar 16, 1993·104 cites·41 claims
- 0994US4927561AMultifunctional antifoulant compositionsBETZ LABORATORIES·Filed 1988·Granted May 22, 1990·63 cites·22 claims
- 1094US4720566AMethod and composition for inhibiting acrylonitrile polymerizationBETZ LABORATORIES·Filed 1986·Granted Jan 19, 1988·61 cites·6 claims
- 1194US4673489AMethod for prevention of fouling in a basic solution by addition of specific nitrogen compoundsBETZ LABORATORIES·Filed 1985·Granted Jun 16, 1987·44 cites·18 claims
- 1294US4443340AControl of iron induced fouling in water systemsBETZ LABORATORIES·Filed 1983·Granted Apr 17, 1984·88 cites·25 claims
- 1394US4171276ADust suppression method and compositionBETZ LABORATORIES·Filed 1978·Granted Oct 16, 1979·37 cites·11 claims
- 1494US4029577APolymers for use in water treatmentBETZ LABORATORIES·Filed 1975·Granted Jun 14, 1977·120 cites·27 claims
- 1593US5626718AUse of polymers in the recycled fiber washing/deinking processBETZ LABORATORIES·Filed 1994·Granted May 6, 1997·98 cites·32 claims
- 1693US4995987AEnhancement of the efficacy of antimicrobials by the addition of anions capable of interfering with microbial electrochemical reactionsBETZ LABORATORIES·Filed 1989·Granted Feb 26, 1991·85 cites·12 claims
- 1793US4780233ADust suppression methods and compositionsBETZ LABORATORIES·Filed 1987·Granted Oct 25, 1988·76 cites·21 claims
- 1893US4732905ABiocidal 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-oneBETZ LABORATORIES·Filed 1987·Granted Mar 22, 1988·50 cites·8 claims
- 1992US5282957AMethods for inhibiting polymerization of hydrocarbons utilizing a hydroxyalkylhydroxylamineBETZ LABORATORIES·Filed 1992·Granted Feb 1, 1994·104 cites·10 claims
- 2092US4971720AMethod for suppressing process dust emissionsBETZ LABORATORIES·Filed 1988·Granted Nov 20, 1990·48 cites·25 claims
- 2192US4780143AMethods for suppressing cement clinker dust emissionsBETZ LABORATORIES·Filed 1987·Granted Oct 25, 1988·56 cites·14 claims
- 2292US4744950AMethod of inhibiting the corrosion of copper in aqueous mediumsBETZ LABORATORIES·Filed 1986·Granted May 17, 1988·65 cites·15 claims
- 2391US5079036AMethod of inhibiting freezing and improving flow and handleability characteristics of solid, particulate materialsBETZ LABORATORIES·Filed 1990·Granted Jan 7, 1992·82 cites·19 claims
- 2491US4927519AMethod for controlling fouling deposit formation in a liquid hydrocarbonaceous medium using multifunctional antifoulant compositionsBETZ LABORATORIES·Filed 1988·Granted May 22, 1990·68 cites·83 claims
- 2591US4851583AMethod of generating acroleinBETZ LABORATORIES·Filed 1988·Granted Jul 25, 1989·33 cites·9 claims
- 2691US4664528AApparatus for mixing water and emulsion polymerBETZ LABORATORIES·Filed 1985·Granted May 12, 1987·109 cites·19 claims
- 2791US4578178AMethod for controlling fouling deposit formation in a petroleum hydrocarbon or petrochemicalBETZ LABORATORIES·Filed 1984·Granted Mar 25, 1986·64 cites·8 claims
- 2891US4446028AIsopropenyl phosphonic acid copolymers used to inhibit scale formationBETZ LABORATORIES·Filed 1982·Granted May 1, 1984·49 cites·12 claims
- 2991US4289645AHydroquinone and mu-amine compositionsBETZ LABORATORIES·Filed 1980·Granted Sep 15, 1981·60 cites·17 claims
- 3090US5451431AComposition and process for treating metal surfacesBETZ LABORATORIES·Filed 1994·Granted Sep 19, 1995·61 cites·12 claims
- 3190US4913822AMethod for control of scale and inhibition of corrosion in cooling water systemsBETZ LABORATORIES·Filed 1989·Granted Apr 3, 1990·74 cites·7 claims
- 3290US4889614AMethods for retarding coke formation during pyrolytic hydrocarbon processingBETZ LABORATORIES·Filed 1989·Granted Dec 26, 1989·27 cites·16 claims
- 3390US4797504AMethod and composition for inhibiting acrylate ester polymerizationBETZ LABORATORIES·Filed 1986·Granted Jan 10, 1989·29 cites·18 claims
- 3490US4663053AMethod for inhibiting corrosion and deposition in aqueous systemsBETZ LABORATORIES·Filed 1982·Granted May 5, 1987·50 cites·24 claims
- 3590US4560481AMethod of controlling iron induced fouling in water systemsBETZ LABORATORIES·Filed 1984·Granted Dec 24, 1985·51 cites·7 claims
- 3690US4549968AMethod of utilizing improved stability oxygen scavenger compositionsBETZ LABORATORIES·Filed 1984·Granted Oct 29, 1985·46 cites·14 claims
- 3790US4430196AMethod and composition for neutralizing acidic components in petroleum refining unitsBETZ LABORATORIES·Filed 1983·Granted Feb 7, 1984·43 cites·19 claims
- 3889US5256305AMethod for breaking emulsions in a crude oil desalting systemBETZ LABORATORIES·Filed 1992·Granted Oct 26, 1993·59 cites·3 claims
- 3989US5147555AMethods of controlling scale formation in aqueous systemsBETZ LABORATORIES·Filed 1991·Granted Sep 15, 1992·44 cites·21 claims
- 4089US4921552AComposition and method for non-chromate coating of aluminumBETZ LABORATORIES·Filed 1988·Granted May 1, 1990·90 cites·9 claims
- 4189US4871424AProcess for controlling pitch deposition from pulp in papermaking systemsBETZ LABORATORIES·Filed 1988·Granted Oct 3, 1989·37 cites·30 claims
- 4288US5396004ACompositions and methods for inhibiting vinyl aromatic monomer polymerizationBETZ LABORATORIES·Filed 1993·Granted Mar 7, 1995·50 cites·6 claims
- 4388US5234604AWater soluble block copolymers and methods of use therofBETZ LABORATORIES·Filed 1992·Granted Aug 10, 1993·61 cites·10 claims
- 4488US4897218AMethods for suppressing cement clinker dust emissionsBETZ LABORATORIES·Filed 1987·Granted Jan 30, 1990·37 cites·20 claims
- 4588US4861429AProcess for inhibiting white pitch deposition in papermaking feltsBETZ LABORATORIES·Filed 1988·Granted Aug 29, 1989·40 cites·19 claims
- 4688US4659481AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1986·Granted Apr 21, 1987·74 cites·12 claims
- 4788US4504395APaint spray booth detackification composition and methodBETZ LABORATORIES·Filed 1984·Granted Mar 12, 1985·49 cites·4 claims
- 4888US4440647APaint spray booth detackification composition and methodBETZ LABORATORIES·Filed 1983·Granted Apr 3, 1984·44 cites·8 claims
- 4987US5256444AMethod for suppressing dust emissions from bulk solidsBETZ LABORATORIES·Filed 1992·Granted Oct 26, 1993·45 cites·4 claims
- 5087US5143645AMethod for suppressing process dust emissions using a salt of a fatty acid as a foaming agentBETZ LABORATORIES·Filed 1990·Granted Sep 1, 1992·44 cites·25 claims
Showing the top 50 of 579 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when BETZ LABORATORIES files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →