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7341677 |
Non-carcinogenic corrosion inhibiting additive
A non-carcinogenic corrosion inhibiting additive includes an anodic corrosion inhibitor and/or a cathodic corrosion inhibitor and a solubility enhancer for the inhibitors in the form of a metal...
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6953537 |
Corrosion inhibitor
A corrosion inhibitor for use with Urea Ammonium Nitrate solutions is disclosed, comprising a blend of molybdate and one or more of the inorganic phosphates (including phosphates, polyphosphates,...
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6893680 |
Coating composition with improved adhesion and method therefor
The invention relates to a coating composition demonstrating improved adhesion and method for improving adhesion of a coating composition to metal. The coating and method of the invention provide...
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6866797 |
Corrosion inhibitors and methods of use
A class of quaternary ammonium compounds are found to be effective as corrosion inhibitors. These quaternary ammonium compounds may be used alone or in combination with additional components. For...
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6846452 |
Scale inhibitor for an aqueous system
This invention relates to a composition and a method for inhibiting the formation of scale, particularly complex scale, in an aqueous system where more than one type of scale is present. The scale...
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6814885 |
Scale and corrosion inhibitors
A scale and corrosion inhibitor for use in the treatment of water comprises at least one oxyalkylene unit and at least one phosphonate unit (e.g. a unit derived prom a mono- or di-phosphonic acid...
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6780256 |
Method of treating a metal surface with a no rinse zinc phosphate coating
An aqueous solution and method for applying the solution to a metal surface form a zinc phosphate coating on the metal surface. The zinc phosphate coating minimizes corrosion and improves adhesion...
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6706214 |
Composition and process for inhibiting corrosion of metallic substrates
A composition and process for inhibiting the corrosion of metallic substrates is revealed. The process utilizes an aqueous treatment solution comprising chitosan which has been reacted with an...
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6645399 |
Mercaptoalcohol corrosion inhibitors
Compositions and methods have been discovered for inhibiting corrosion of metals, particularly iron alloys, in contact with fluids, either hydrocarbons, alcohols, or aqueous fluids, employing...
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6620340 |
Method for providing a corrosion inhibiting solution
The invention is directed to a method for providing a corrosion inhibiting aqueous solution which includes zinc orthophosphate where the zinc orthophosphate is solubilized. The invention is...
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6572789 |
Corrosion inhibitors for aqueous systems
A method of inhibiting corrosion in aqueous systems comprising adding to the system a composition comprising mono, bis and oligomeric phosphinosuccinic acid adducts and a method of preparing a...
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6482483 |
Phosphonium salt composition
A composition comprising tris(hydroxymethyl)phosphine or phosphorus-containing salts or condensates of those salts with nitrogen-containing compounds coated or absorbed onto a solid or porous...
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6468470 |
Galvanized metal corrosion inhibitor
A white rust inhibiting composition and method of inhibiting white rust for evaporative water coolers are disclosed. The composition includes, in combination, a blend of one or more...
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6468364 |
Anticorrosion treatment
An anticorrosion treatment of an aluminium/zinc alloy surface is disclosed. The treatment includes the steps of forming on the alloy surface a coating of a solution which contain 5-40 grams of...
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6465548 |
Stabilizer for organic polymer material and organic polymer material composition
The present invention relates to a stabilizer composition for organic polymer material containing (a) 6-hydroxychroman compound, a phosphorus antioxidant and (c) phenolic antioxidant, wherein the...
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6464900 |
Scale corrosion inhibiting composition
This invention relates to corrosion inhibiting compositions for aqueous systems comprising (a) polyaspartic acid or salts therefore, and (b) a water soluble phosphonated oligomer. The compositions...
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6458874 |
Coating compositions having improved direct to metal adhesion
The invention relates to a composition comprising a combination of compounds providing improved “direct to metal” adhesion and coating compositions comprising said composition. The coating...
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6447594 |
Strontium chromate corrosion inhibitor pigment with reduced solubility
A process for producing a strontium chromate corrosion inhibitor includes the steps of providing an aqueous slurry containing dispersed particulate strontium chromate, adding to the slurry a...
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6416712 |
Corrosion inhibition method suitable for use in potable water
Effective corrosion inhibitors having minimal organic content, particularly suitable for use in municipal drinking water systems, are described. The corrosion inhibiting additive is a stannous salt...
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6383414 |
Use of corrosion inhibiting compounds to inhibit corrosion of metal plugs in chemical-mechanical polishing
A process of inhibiting a corrosion of metal plugs formed in integrated circuits is described. The corrosion inhibiting process includes providing a partially fabricated integrated circuit surface...
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6183649 |
Method for treating water circulating systems
Water-circulating systems are treated with an aqueous, alkaline composition comprising I) an organo-phosphorus chelating agent, II) an acrylate homopolymer, III) a salt of an acrylic...
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6090345 |
Phosphorus-containing compounds based on 1-hydroxypropane-1, 3-diphosphonic acid
The present invention relates to phosphorus-containing compounds based on 1-hydroxypropane-1,3-diphosphonic acid and to the acid itself of general formula (I) ##STR1## in which M 1 , M 2 , M 3 , M...
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6071435 |
Composition and process for treating a zinciferous surface
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6071434 |
Phosphino derivatives
The reaction of compounds of the formula: X 2 O 3 P CHY CZ 2 where Y and each Z are each H, PO 3 X 2 , SO 3 X or CO 2 X (e.g. vinyl phosphonic acid or vinylidene diphosphonic acid) with...
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6022401 |
Biodegradable modified polyaspartic polymers for corrosion and scale control
Several copolymers of aspartic acid and another monomer provide effective mild steel corrosion inhibitors and scale formation inhibitors under oil field conditions. The copolymers are polymers of...
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6001888 |
Activator for the depolymerization of polysiloxanes which are crosslinked, optionally contain fillers and/or are uncrosslinked
The invention relates to activators for the depolymerization of polysiloxanes which are crosslinked, optionally contain fillers and/or are uncrosslinked, a method for the depolymerization of...
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5958850 |
Rust preventive composition
A rust preventive composition which is obtained by blending at least one base oil selected from the group consisting of a hydrocarbon solvent, a mineral oil and a synthetic oil with, as essential...
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5858282 |
Aqueous amine fluoride neutralizing composition for metal pretreatments containing organic resin and method
An amine fluoride neutralizing composition comprised of (a) about 1 to about 50 weight percent hydrofluoric acid, (b) optionally up to about 18 weight percent of a complex fluoride containing...
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5833881 |
Composition for inhibiting deposits in the calcination of fluxed iron ore pellets
A stable aqueous solution comprising a water soluble salt of a magnesium compound, a surfactant and a calcium salt inhibitor is used to reduce deposits in kilns or furnaces used to make iron ore...
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5800732 |
All-in-one treatment agent for cooling water
An all-in-one cooling water treatment composition includes a high concentration of peroxide, preferably hydrogen peroxide, in combination with a polyhydric alcohol and a phosphonate to stabilize...
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5785895 |
Biodegradable corrosion inhibitors of low toxicity
A method for inhibiting corrosion in an aqueous medium is disclosed. The method comprises incorporating into the medium an amount of a water-soluble corrosion inhibitor sufficient to inhibit...
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5756004 |
Quaternary ammonium compounds useful for inhibiting metal corrosion
The present invention provides improved quaternary ammonium compounds useful as metal corrosion inhibitors in aqueous acid solutions, methods of preparing the compounds, metal corrosion inhibited...
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5650097 |
Corrosion inhibitor composition for steel
Steel anticorrosion and lubricity composition consisting essentially of (a) a surfactant; (b) at least one neutralized alkyl phosphate in a surfactant:phosphate weight ratio in the range between...
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5646101 |
Machine dishwashing detergents containing an oxygen bleach and an anti-tarnishing mixture of a paraffin oil and sequestrant
The present invention relates to a machine dishwashing composition containing from 1% to 80% of a detergent builder component other than carbonate from 0% to 9%, preferably 0% to 5%, most...
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5630964 |
Use of sulfiding agents for enhancing the efficacy of phosphorus in controlling high temperature corrosion attack
The invention comprises a method of inhibiting naphthenic acid corrosion in a high temperature hydrocarbon system, comprising adding to the system a corrosion-inhibiting amount of a phosphate ester...
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5589106 |
Carbon steel corrosion inhibitors
The prevention of corrosion on the surfaces of metallic pipes, heat exchangers, and the like which are in contact with industrial cooling waters, and particularly industrial cooling waters...
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5578246 |
Corrosion inhibiting compositions for aqueous systems
This invention relates to a metal corrosion inhibiting composition comprising in admixture: (a) an anodic silicate salt; (b) a silicate salt stabilizer; (c) a cathodic corrosion inhibitor; and...
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5562830 |
Calcium carbonate scale controlling method
A method of inhibiting corrosion and scale formation and deposition in aqueous systems by adding a combination of a polyepoxysuccinic acid or salts thereof and a phosphonocarboxylic acid or salts...
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5554320 |
Liquid cleaning compositions
Microemulsion for all purpose hard surface cleaning compositions which contain an anticorrosion system designed to protect acid sensitive surfaces from attack by acidic materials.
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5552085 |
Phosphorus thioacid ester inhibitor for naphthenic acid corrosion
Corrosion of the metallic surfaces of distillation columns, trays, packing, and pumparound piping used in the production of hydrocarbons can be controlled by adding a neutralized or non-neutralized...
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5512212 |
Corrosion inhibitor composition and method of use
A composition and method for inhibiting corrosion of iron and iron-containing metals in contact with aqueous systems containing sulfide compounds. The composition comprises (A) an aqueous solution...
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5474739 |
Microbiocidal composition
A broad spectrum, non-toxic, microbiocidal composition effective in killing or inhibiting the growth of a wide variety of microorganisms including viruses, bacteria, yeasts, molds and fungi and...
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5454967 |
Phosphate containing coolant mixtures which are stable in hard water
Phosphate-containing, glycol-based coolant mixtures which are stable in hard water and are free of nitrites, silicates, amines and borates contain a) 0.5-3% by weight of ammonium and/or alkali...
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5425914 |
Methods for inhibiting corrosion in cooling water systems
A method of inhibiting the corrosion of iron-based metallurgies in contact with cooling water systems under severe corrosion inducing conditions comprising adding to said cooling water an aqueous...
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5424007 |
1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in the inhibition of corrosion
Compounds of the formula ##STR1## wherein X is an anion selected from the group consisting of phosphate, borate and molybdate groups, and a method for making these compounds. The compounds are...
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5419845 |
Perfluorinated gemdiphosphonates as corrosion inhibitors for antifreeze coolants and other functional fluids
A coolant or antifreeze composition has one or more glycols or glycol ethers in combination with water, one or more additives, and an effective amount of one or more perfluoro-gem-diphosphonates as...
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5407597 |
Galvanized metal corrosion inhibitor
A white rust inhibiting composition and method of inhibiting white rust for evaporative water coolers are disclosed. The composition includes in combination a blend of one or more organophosphorus...
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5372748 |
Agent inhibiting the corrosive characteristics of nitrogenous fertilizing solutions, process using the said agent and nitrogenous fertilizing solutions containing the said agent
Process for inhibiting the corrosive characteristics of a nitrogenous fertilizing solution comprising incorporating in said nitrogenous fertilizing solution at the moment of its constitution, about...
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5368773 |
Preparation of salt solutions of phosphonocarboxylic acids
A substantially 100% active aqueous solution of one or more phosphonocarboxylic acids and one or more hydroxides, wherein the solution has a slightly alkaline pH. In an alternate embodiment, a dry,...
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5352408 |
Diphosphonates as corrosion inhibitors for antifreeze coolants and other functional fluids
A coolant or antifreeze composition has one or more glycols or glycol ethers in combination with water, one or more additives, and an effective amount of 1-hydroxyoctylidene-1,1-diphosphonic acid...
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