Inventor

FONG DODD W

US81 patents

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FONG DODD W

NALCO CHEMICAL CO

Preparation of water soluble polymer dispersions from vinylamide monomers

Synthesis of tagged polymers by post-polymerization (trans) amidation reaction

Cooling water corrosion inhibition method

Cooling water corrosion inhibition method

Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom

Modified acrylamide polymers used as scale inhibitors

Cooling water corrosion inhibition method

Process of making N-(2-hydroxy-3-sulfopropyl)amide containing polymers

Carboxylate containing modified acrylamide polymers

Chemical modification of (meth)acrylic acid homopolymers and alkyl (meth)acrylate polymers in aqueous systems with amino sulfonic acids

Acrylamide terpolymer shale stabilizing additive for low viscosity oil and gas drilling operations

Aminoalkylphosphinates and phosphinic acid-containing polymers therefrom

Phosphonic acid-containing polymer

Water-soluble sulfonated polymers

New water-soluble sulfonated monomers

Synthesis of tagged polymers by post-polymerization (trans) amidation reaction

Fluorescent acrylamide polymers

Scaling salt threshold inhibition and dispersion with hydrophilic/hydrophobic polymers

Process for preparing high molecular weight hydrophobic acrylamide polymers

Carboxylate containing modified acrylamide polymers

Calcium tolerant deflocculant for drilling fluids

Sulfomethylamide-containing polymers

Pumpable magnesium hydroxide slurries

Hydroxamic acid containing polymers used as corrosion inhibitors

Phosphonate-containing polymers for controlling scale in underground petroleum-containing formations and equipment associated therewith

Phosphinate-containing polymers for controlling scale in underground petroleum-containing formations and equipment associated therewith

Sulfomethylamide-containing polymers

Gypsum scale inhibitors for flue gas desulfurization systems

Modified maleic anhydride polymers and the like for use as scale inhibitors

Composition of corrosion inhibitors for cooling water systems using chemically modified acrylamide or methacrylamide polymers

Scale inhibitors for preventing or reducing calcium phosphate and other scales

Hydrogenation of residual monomers in partially polymerized acrylamide copolymers in latex form

Flotation aids for oil-in-water emulsions

Fluorescent monomer and polymer

Viscosity/drag reducing additive for high solids black liquor

Copolymers formed from polymerization of N,N-diallyl-N-alkyl-N-(sulfoalkyl) ammonium betaine and their utility as calcium carbonate scale inhibitors

Removal of dispersed oil from water

Synthesis of tagged polymers by post-polymerization (trans)amidation reaction

Synthesis of hydrophobic/alkoxylated polymers

Synthesis of hydrophobic/alkoxylated polymers

N-dibenzosuberenylacrylamide (N-5-(5H-dibenzo[a,d]cycloheptenyl)acrylamide)

Alkoxylated/cationically modified amide-containing polymers

Water-soluble quaternary cationic monomers

N-acetoacetyl (meth)acrylamide polymers

Alkoxylated/cationically modified amide-containing polymers

Scale inhibitors which contain sulfate-containing polymers

Dimethyl sulfate quaternary ammonium salt of 1-acryloyl-4-methyl piperazine

Scale inhibitors for preventing calcium phosphate and other scales

Cationic fluoro polymers

NALCO CO

Preparation of water soluble polymer dispersions from vinylamide monomers