|
Match
|
Document |
Document Title |
|
|
7615102 |
Corrosion and gas hydrate inhibitors with an increased biological degradability and a reduced toxicity
The invention relates to the use of compounds of formula (1) as corrosion and gas hydrate inhibitors. In said formula: R 1 and R 2 independently of one another represent C 1 to C 22 alkyl, C 2 ...
|
|
|
7491318 |
Method for prevention of corrosion by naphthenic acids in refineries
The invention relates to a method for prevention of corrosion by naphthenic acids in a refinery comprising the use of a compound of the formula HS—B—COOR, where B is a saturated bivalent 1-18 C...
|
|
|
7381319 |
Multi-amine neutralizer blends
Amine and amine blend compositions neutralize acid environments in distillation overheads of hydrocarbon processing facilities. The neutralizers are composed of certain combinations of amines which...
|
|
|
7375066 |
Semiconductor wafer cleaning agent and cleaning method
A semiconductor surface cleaning agent containing a compound the molecule of which has a nitrogen atom having an unshared electron pair and used for cleaning the surface of a semiconductor on which...
|
|
|
7297191 |
Biodegradable corrosion inhibitor composition
A corrosion inhibitor composition includes between about 95 and about 99 percent by weight ammonium benzoate, and between 1 and about 5 percent by weight of silica. The composition may be water...
|
|
|
7205438 |
Solvent recovery blends from diene production
A diene production stream comprising a solvent recovery blend from diene production comprising one or more fouling agent, one or more extractive distillation solvent, and from about 1 ppm to about...
|
|
|
7186354 |
Anticorrosive treating concentrate
According to the present invention, there is provided an anticorrosive treating concentrate usable for an exposed surface of a metal (e.g. copper or a copper alloy), containing an anticorrosive...
|
|
|
7141102 |
Antifreeze solution and rust inhibitor added thereto
An object of the present invention is to provide an antifreeze solution which is used by adding it to a heating medium of a heat exchanger or a radiator coolant for an internal combustion car...
|
|
|
7118615 |
Biodegradable corrosion inhibitor composition
A corrosion inhibitor composition includes between about 90 and about 99 percent by weight ammonium benzoate, and one or more additive components in an amount of between 1 and about 10 percent by...
|
|
|
7112284 |
Oxygen scavenger and the method for oxygen reduction treatment
Oxygen scavenger which can exhibit excellent oxygen reduction effect in a wide variety of conditions is provided as an alternative volatile oxygen scavenger to hydrazine. The oxygen scavenger...
|
|
|
7033520 |
Metal chelating compositions for protein purification, detection or binding
A metal chelating composition having the formula:
wherein
Q is a carrier; S 1 is a spacer; L is -A-T-CH(X)— or —C(═O)—; A is an ether, thioether, selenoether, or amide linkage;...
|
|
|
6982062 |
Corrosion inhibiting composition
This invention relates to a corrosion inhibiting composition comprising (a) an aliphatic amine, (b) an azole selected from the group consisting of (1) tolyltriazole, (2) benzotriazole, and (3)...
|
|
|
6964746 |
Mixture of a phosphonite with other components
The invention relates to mixtures of phosphonite (component A) and/or an ester and/or salt of a long-chain fatty acid (component B), and/or a carboxylic ester, and/or carboxylic amide (component...
|
|
|
6939483 |
Brine fluids with improved corrosion properties
It has been discovered that ammonia and amines are useful to increase the pH and corrosion resistance of high density brines, such as zinc bromide brines, without significantly reducing their...
|
|
|
6899956 |
Metal coloring process and solutions therefor
This invention includes improvements to a method for forming a chemical conversion coating on ferrous metal substrates, to the chemical solutions used in the coating and to the articles coated...
|
|
|
6899769 |
Composition and method for metal coloring process
This invention is a method for forming a chemical conversion coating on ferrous metal substrates, the chemical solutions used in the coating and the articles coated thereby. By modifying and...
|
|
|
6881244 |
Method and device for preventing deposits in steam systems
The present invention relates to a method for preventing the deposition of contaminants in steam systems. In a method of this type, deposits are prevented in a simple and economic manner by...
|
|
|
6846437 |
Ammonium polyphosphate solutions containing multi-functional phosphonate corrosion inhibitors
A corrosion-inhibited fire retardant composition is provided that comprises at least one ammonium polyphosphate, at least one suspending agent, at least one phosphonate selected from a group...
|
|
|
6758282 |
Fire protection pipe and methods of manufacture
A fire protection water sprinkler system, comprising at least one metal tube to carry water within the system, the metal tube having a coating on its interior surface comprising a quaternary...
|
|
|
6696576 |
Thiacrown polymers for removal of mercury from waste streams
Thiacrown polymers immobilized to a polystyrene-divinylbenzene matrix react with Hg 2+ under a variety of conditions to efficiently and selectively remove Hg 2+ ions from acidic aqueous...
|
|
|
6645428 |
Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems
Fluorescent monomers are described and claimed which are synthesized by reacting a substituted or non-substituted naphthalic anhydride with an amine and with a moiety containing a polymerizable...
|
|
|
6638959 |
Microbiological control in aqueous systems
Microbiological control is achieved by continuously and inexpensively dosing water in contact with biofilm, or that comes into contact with biofilm, using a highly effective biocide that provides...
|
|
|
6623655 |
Metal chelating compositions
A metal chelating composition having the formula: wherein Q is a carrier; S 1 is a spacer; L is —A—T—CH(X)— or —C(═O)—; A is an ether, thioether, selenoether, or amide linkage; T...
|
|
|
6605526 |
Wirebond passivation pad connection using heated capillary
A method for forming a wirebond connection to an integrated circuit structure includes forming an insulative structure overlaying a corrosion susceptible metal wiring within the integrated circuit...
|
|
|
6593278 |
Method for inhibiting corrosion using certain phosphorus and sulfur-free compounds
The present invention relates to a method for inhibiting corrosion of corrosion-prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting...
|
|
|
6585933 |
Method and composition for inhibiting corrosion in aqueous systems
A method and composition for controlling corrosion of metals, particularly ferrous-based metals in contact with aqueous systems is disclosed, which includes treating industrial waters with a...
|
|
|
6572788 |
Amine oxide wood preservatives
The present inventors have discovered that amine oxides are highly effective as wood preservatives. The present invention provides a wood preservative composition comprising a biocidally effective...
|
|
|
6569264 |
Surface-treating agent for magnesium-based part and method of surface treatment
The present invention provides a corrosion inhibitor composition for magnesium or magnesium alloys which contains as an effective component, at least one compound selected from among aromatic...
|
|
|
6562149 |
Solution and process to pretreat copper surfaces
The invention concerns processes and solutions for the preliminary treatment of copper surfaces which are subsequently to be firmly bonded to organic substrates. The solution is used, in...
|
|
|
6555600 |
Corrosion inhibiting thermoplastic alloys
Corrosion inhibiting thermoplastic alloys and methods of preparing same for use in fabricating molded articles with long-term corrosion protection. Masterbatches of nylon, polycarbonate, and...
|
|
|
6540959 |
Vapor-phase corrosion inhibitors and methods for their production
The invention concerns combinations of substances with (1) an aromatic mercaptothiazole or triazole, (2) a multiple substituted phenol insoluble in water, (3) L ascorbic acid or one of its salts...
|
|
|
6521028 |
Low hazard corrosion inhibitors and cleaning solutions using quaternary ammonium salts
The present invention is directed to methods for preparing quaternary ammonium salts, particularly pyridinium and quinolinium salts. By preparing these salts in a solvent selected from the group...
|
|
|
6464901 |
Halogen resistant copper corrosion inhibitors
Non-halogen substituted, nitrogen containing, aromatic compounds are disclosed which are effective copper corrosion inhibitors in aqueous systems being treated with a halogen biocide. The materials...
|
|
|
6464899 |
Putty composition containing a vapor phase corrosion inhibitor
Compositions and methods for inhibiting corrosion of metallic surfaces are disclosed. The corrosion-inhibiting compositions are cost efficient, easy to use and can be conveniently removed or...
|
|
|
6420323 |
Low-foam emulgator system and emulsion concentrate containing the same
A low-foam emulsifier system is presented containing (a) an ethoxylate/propoxylate of one or more C 8 -C 18 fatty alcohols, where the ethoxylate/propoxylate contains 2 to 6 ethylene oxide units...
|
|
|
6403028 |
All-organic corrosion inhibitor composition and uses thereof
This invention relates to an all-organic corrosion inhibiting composition comprising (a) 6,6,6-(1,3,5-triazine-2,4,6-triyltriimino) tris hexanoic acid; and (b) a water-soluble phosphonated oligomer...
|
|
|
6402990 |
Method for rehabilitative and/or protective corrosion-inhibition of reinforcing steel embedded in a hardened structure by means of surface-applied corrosion-inhibiting compositions
The present invention provides methods and compositions for the reduction of the corrosion rate of already corroding steel reinforcements embedded in a hardened concrete structure as well as for...
|
|
|
6379587 |
Inhibition of corrosion in aqueous systems
A method and composition for controlling corrosion of metals, particularly ferrous-based metals in contact with aqueous systems is disclosed, which includes treating industrial waters with a...
|
|
|
6372918 |
Compound for inhibiting corrosion
The invention relates to compounds of the formula 1 R 1 —O—(A—O) x —(CH 2 ) y —R 2 (1) in which R 1 is branched or straight-chain C 4 -C 30 -alkyl, C 4 -C 30 -alkenyl or C 4 -C 30...
|
|
|
6365100 |
Polymethylenepolyamine dipropionamides as environmentally safe inhibitors of the carbon corrosion of iron
Polymethylenepolyaminedipropionamides are carbonic corrosion inhibitors devoid of toxicity to the marine environment.
|
|
|
6350395 |
Stabilizer composition
A stabilizer composition comprising a) an N-alkyl morpholine and b) a straight-chain or cyclic aliphatic amine containing no hetroatoms other than N with a boiling point of at least 150° C. The...
|
|
|
6346206 |
Oxygen scavenger and boiler water treatment chemical
An oxygen scavenger characterized in that the effective component thereof consists of a heterocyclic compound with N—N bond in a ring thereof. An oxygen scavenger characterized in that the...
|
|
|
6340438 |
Corrosion inhibiting admixture for concrete
A corrosion inhibiting admixture for concrete is disclosed comprising a combination of organic (amines) and inorganic (nitrites) fractions that provide a synergistic effect when present at a...
|
|
|
6299836 |
Gas treating solution corrosion inhibitor
Corrosion in aqueous alkanolamine, physical solvents, or combination of alkanolamine and physical solvent solutions used to remove acid gases from natural gas, synthetic gas, or light hydrocarbon...
|
|
|
6261346 |
Method for protecting metal surfaces against corrosion in liquid or gaseous media
A process useful for protecting metal surfaces against corrosion in is presented involving: (a) forming a corrosion inhibitor having a compound corresponding to formula (I): ##STR1## where R 1 ,...
|
|
|
6248181 |
Composition and method for hydrophilic treatment of aluminum or aluminum alloy
Here are provided a composition for hydrophilic treatment of aluminum or aluminum alloy which can form film having persistent corrosion resistance and hydrophilicity and not generating odor, and a...
|
|
|
6238621 |
Corrosion inhibiting compositions
There are disclosed corrosion inhibiting compositions comprising (a) at least one amido acid or salt thereof and (b) at least one of an aryltriazole or 3-amino-1,2,4-triazole wherein the molar...
|
|
|
6200499 |
Compositions for corrosion inhibition of ferrous metals
Compositions comprising certain amino acids such as aspartic acid, when fully ionized at alkaline pH, function effectively as corrosion inhibitors for ferrous metals in the presence of an aqueous...
|
|
|
6187227 |
Thiacrown ether compound corrosion inhibitors for alkanolamine units
The corrosion of metals in contact with aqueous alkanolamine solution in acid gas removal units is inhibited by adding to the alkanolamine solution a corrosion inhibiting amount of a thiacrown...
|
|
|
6180057 |
Corrosion inhibiting compositions and methods
Corrosion inhibiting compositions and methods for inhibiting the corrosion of metal surfaces by corrosive aqueous fluids are provided. In accordance with the invention, a corrosion inhibiting...
|