Ecolab USA Inc.

Nalco Company

Championx USA Inc.

Paul J Zinn

Jeffery Atkins

Jitendra T Shah

Joseph R Wegner

Robert Walicki

Lanhua Hu

Erin Brown

Bruce A Keiser

Rebecca Stiles

Wayne M Carlson

Richard A Mimna

Jianwei Yuan

John V Meier

Raul Espinosa

Pious V Kurian

Heinrich Enoch Bode

Barbara E Moriarty

William J Andrews

Winston Su

Christopher Steven Popeney

En-Wei Lin

John David Morris

Wesley Lamar Whipple

Deepak A Musale

Daniel Eugene Schwarz

Darlington Mlambo

Tarun Kumar Bera

Mario Roberto Rojas

Deepak Jadhav

Trishul Artham

Kiran Phatangare

Jeffery M Atkins

Richard Mimma

Rebecca L Stiles

Jefferey M Atkins

The present invention generally relates to fluorescent marking compositions and their use to determine whether a surface has been cleaned. More particularly, the marking compositions comprise fluorescent polymers.

Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance

Copolymers and compositions containing copolymers having advantageous viscosity, friction reduction, dissolution, pH-stability, and temperature-stability are provided. These copolymers can be used as rheology modifiers for oil field applications.

Fast dissolving, water soluble, hydrophobically-modified polyelectrolytes

Compounds, compositions and methods of use thereof are provided, the compounds comprising a hydrophobically modified polyelectrolyte comprising a nonionic monomer, an ionic monomer, a monomer having the structure of Formula 1, and a monomer having the structure of Formula 2, wherein R, R, R, R, R, and Rare independently hydrogen, unsubstituted alkyl, substituted alkyl, carbonyl, carboxyl, aryl, or alkaryl; Ris linear Cto Calkyl; Ris branched Cto Calkyl; Xand Xareindependently &#x2014;C(O)O&#x2014;, &#x2014;C(O)NR&#x2014;, &#x2014;O&#x2014;, &#x2014;C(R)O&#x2014;, -arylene-, -arylene-C(R)O&#x2014;, -arylene-C(R)N(R)&#x2014; or -arylene-C(R)N(R)&#x2014;; Rand Ris independently hydrogen or a Cto Calkyl; and wherein a molar ratio of the monomer of Formula 1 to the monomer of Formula 2 is from about 1.5:1 to about 15:1. The compounds are useful as viscosifying agents in oil and gas applications.

Salt-tolerant, fast-dissolving, water-soluble rheology modifiers

Novel fluorophores and their use as fluorescent tags for polymers used in wastewater treatment. The fluorophores are quaternary amine salts that can be used to synthesize fluorescent tagged polymers that are stable at varying pH, have significant water solubility, and may be fluorescent at wavelengths greater than 550 nm. The fluorophores readily undergo polymerization with vinylic monomers to form fluorescent tagged polymers with excellent incorporation of fluorophore into the polymer framework. The fluorescent tagged polymers are useful to monitor and optionally dose industrial wastewater.

Fluorescent polymers for water treatment

The present disclosure relates to methods and compositions for making and using fluorescent monomers which are synthesized by reacting a substituted or non-substituted benzoxanthene anhydride with an amine and with a moiety containing a polymerizable group. Such monomers are useful for the preparation of tagged treatment polymers. Such tagged treatment polymers are useful as scale inhibitors in industrial water systems.

Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems

The invention is directed towards methods and compositions for making and using fluorescent monomers which are synthesized by reacting a substituted or non-substituted benzoxanthene anhydride with an amine and with a moiety containing a polymerizable group. Such monomers are useful for the preparation of tagged treatment polymers. Such tagged treatment polymers are useful as scale inhibitors in industrial water systems.

The invention provides methods and compositions for separating metals from a liquid medium, the method uses a copolymer derived from at least two monomers: acrylic-x and an alkylamine, wherein said polymer is modified to contain a functional group capable of scavenging one or more compositions containing one or more metals are disclosed. The treated liquid is then passed through a filtration system. The scavenging effect of the combination of the treatment with the filtration is unexpectedly greater than the sum of its parts.

Method of heavy metal removal from water streams

A polymer, a composition, and uses for either are disclosed. The polymer is derived from at least two monomers: acrylic-x and an alkylamine, and has attached to the polymer backbone a functional group capable of scavenging at least one metal. The polymer has a polymer backbone with a fluorescing quantity of conjugated double bonds, thereby providing a method for controlling metal scavenging via fluorescence. These polymers have many uses in various media, including wastewater systems.

Metal scavenging polymers and uses thereof

A method and composition for the reduction of the emission of selenium into the environment from the burning of fossil fuels with the use of two chemistries, either individually or in combination with each other. The method uses polydithiocarbamic compounds, including polydithiocarbamic compounds derived from a polymer produced from acrylic-x and alkylamine in conjunction with a scrubber process to capture selenium and reduce its emission in aqueous phase blowdown. The method and composition also helps reduce corrosion in the scrubber process.

Corrosion control in and selenium removal from flue gas wet scrubber systems

Growing community of inventors

Montgomery, IL, United States of America

Paul J Zinn