Matches 151 - 200 out of 366 < 1 2 3 4 5 6 7 8 >
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5112395 Compositions and process for metal treatment  
Compositions and process for activating metal surfaces prior to coating with zinc phosphate are disclosed. A Jernstedt salt concentrate is provided which can be employed to prepare Jernstedt salt...
5092924 Composition and process for coating metallic surfaces  
A no-rinse aqueous chemical composition for treating a metallic surface prior to application of an organic siccative coating characterized in that it comprises from 1.5 to 40 g/l (total) of Cr (VI)...
5091023 Composition and process for chromating galvanized steel and like materials  
The resistance of chromated zinc surfaced steel objects, particularly plates and sheets, to extraction of hexavalent chromium by alkaline degreasing solutions used on the chromated objects, can be...
5076941 Monofluorophosphate solubility inhibitor for lead in potable water sources  
Monofluorophosphate salts, especially sodium monofluorophosphate (Na 2 PO 3 F), when added to potable water sources in concentrations between 0.1 mg/L and 500 mg/L, significantly reduces lead...
5068042 Dissolution of sulfate scales  
The invention provides for the use of compositions to dissolve sulfate scales from surfaces containing these scales, comprising an aqueous solution of an aminopolycarboxylic acid (APCA) containing...
5066540 Flake materials in coating compositions  
A cured coating composition and substrate coated with the cured coating composition which coating is based upon an aqueous acid binder solution containing phosphate and chromate and/or molybdate...
5064468 Corrosion preventive coating composition  
Disclosed is a corrosion preventive coating composition comprising; (1) a corrosion preventive pigment which has a pH value of from 5 to 9, consisting essentially of (a) a specific phosphorus...
5057156 Metallic pigment composition and water borne coating composition thereof  
Disclosed is a metallic pigment composition which is stably dispersed in a water borne coating composition and which also provides with smooth coatings having superior water resistance. The...
5039563 Surface treating agent before coating  
Disclosed is a surface treating agent which improves the adhesive properties between a metal surface and a paint layer thereon. The surface treating agent is an acidic aqueous solution comprising...
5037478 Corrosion preventive pigment comprising a phosphate source, a vanadium ion source, and optionally, a network modifier and/or a glassy material  
Disclosed is a corrosion preventive pigment consisting essentially of (a) a phosphorus compound which generates phosphate ions in the presence of water and oxygen, selected from the group...
5030285 Corrosion inhibiting pigment and a process for the manufacturing thereof  
The pigment comprises a mixture of crystalline phase and an amorphous phase in which the crystalline phase represents from 10 to 70 wt % of the mixture and is constituted by zinc phosphate in the...
4999250 Composition and use  
A composition which comprises (a) a salt of a metal (M) of a hydroxycarboxylic acid in which the OH and COOH groups are attached to the ring atoms of a fused ring system and (b) a surface coating...
4975330 Coating compositions containing unreacted hexavalent chromium, a method of applying and an article  
A coating composition for providing a part with improved salt spray resistance, which includes undissolved solid hexavalent chromate in an aqueous acid solution which is the reaction product of...
4966630 Anticorrosive pigment composition and an anticorrosive coating composition containing the same  
An anticorrosive pigment composition comprising (A) a slightly water-soluble condensed phosphoric acid salt and (B) at least one compound selected from the group consisting of zinc compounds, boric...
4956016 Anticorrosive agents and use thereof  
Corrosion inhibitors containing a mixture of one or more water soluble tetraborate salts and one or more water soluble condensed phosphate salts are non-toxic and are more effective than either of...
4913740 Solution for use in the prevention of smear in the manufacture of printed circuit boards  
A solution and a method of using it for preventing smear in the manufacture of printed circuit boards includes monoethanolamine combined with a fatty acid for neutralizing the active amine except...
4889558 Coating compositions containing undissolved hexavalent chromium salt  
A coating composition for providing a part with improved salt spray resistance, which comprises undissolved solid hexavalent chromate in an aqueous acid solution which is the reaction product of...
4863516 Coating composition  
A coating composition based upon an aqueous acid binder solution containing phosphate and chromate and/or molybdate ions into which has been dispersed a blend of metallic powder particles of three...
4836768 Coated substrates  
A body having a substrate surface which comprises corrodible material and on which substrate surface is present a coherent protective layer of an anti-corrosion composition which comprises a solid...
4834798 Corrosion resistant refractory coating  
There is disclosed a coating compositions which can be produced from (1) a reactive MgAl 2 O 4 spinel (2) aluminum acid phosphate moieties and phosphoric acid, (3) water, (4) optionally,...
4828796 Method of protecting the internal surface of a pipeline against corrosion  
A method of protecting the internal surface of a pipeline against corrosion resides in introducing into the pipeline a composition comprising 0.01 to 1 part of a phosphate and a silicate. The...
4828795 Systems inhibited against corrosion and/or scale deposition  
Aqueous or partly aqueous systems are treated against the corrosion of metals, especially ferrous metals, in contact therewith, and/or against scale deposition therefrom, by adding to these systems...
4824484 Agent for preserving wood or wood-based materials and method for preparation and use thereof  
The present invention relates to a wood preservative comprising either (1) at least one of (a) ammonium monofluorophosphate and/or diammonium monofluorophosphate of the general formula (R 1 R 2...
4808231 Inhibitive treatment for aluminum pigments  
Organic phosphate or organic phosphite reagent compounds are employed to treat metallic particles, especially aluminum pigments, to protect their surfaces against chemical attack by water. Such...
4806161 Coating compositions  
A coating composition and method of making the same wherein the composition includes an acid binder aqueous solution which comprises phosphate ions and ions from the group of chromate or molybdate...
4802923 Benefaction of concrete and aggregate using calcium phosphate  
A phosphate additive, such as apatite or monocalcium phosphate monohydrate, is used to treat concrete aggregate and concrete to improve its resistance to natural and salt induced breakdown. The...
4793968 Surface modified powder metal parts and methods for making same  
A sintered metal part which has a pressed and sintered core; the part is coated with a sintered metal surface layer; the layer has a property different from that of the metal part; the interior...
4769074 Binder/suspension composition and method of preparation thereof  
A binder/suspension liquid for use with refractory compounds and the like. Oxidation prevention coatings for up to at least 1000 degrees Centigrade are described. Both a graphite non-conductive and...
4767458 Wood preservative composition and use thereof  
A wood preservative based on leaching-resistant, inorganic compounds for protection of wood and wood materials against wood-damaging insects and fungi, including wood-rot fungi, is disclosed. The...
4758281 Anti-corrosive protective coatings  
An anti-corrosion coating and pigment therefore, the latter comprising the combination of condensed aluminum phosphate with a comminuted zeolite or silica and process for the preparation thereof.
4749418 Chromate coating of zinc surfaces  
A chromate composition and process provide improved corrosion resistance and paint adhesion for zinc surfaces. The aqueous acidic composition contains hexavalent and trivalent chromium phosphate...
4748055 Method for forming a self-healing corrosion preventative film  
Self-healing coatings are formed by first phosphating or nitriding ferrous parts, then coating with an emulsion of e.g. polysiloxane, oil, sorbitan derivative and sodium sulfonate, butyl...
4724172 Thick coating compositions  
Corrosion and oxidation resistant coating compositions containing phosphate, chromate or molybdate and atomized aluminum powder.
4722805 Multifunctional corrosion inhibitors  
Corrosion inhibitors for ferrous metals are provided which afford protection from general corrosion and cracking-type corrosion, which inhibitors are reaction products of acylated polyamines and...
4714564 High performance multifunctional corrosion inhibitors especially for combining at 20 to 50 weight percent with soap or paint  
A multifunctional corrosion inhibitor consisting essentially of an alkali metal borate, an alkali metal nitrate, an alkali metal nitrite, an alkali metal metasilicate, an alkali metal phosphate,...
4711666 Oxidation prevention coating for graphite  
An oxidation prevention coating for graphite up to at least 1000 degrees Centigrade. Both a non-conductive and a conductive coating are described for use in coating graphite crucibles, graphite...
4708744 Process for phosphating metal surfaces and especially iron surfaces  
A phosphate conversion coating aqueous solution and method for its use, which solution contains zinc ions and phosphate ions, and an oxidation accelerator composition comprising (a) a bromate...
4705703 Method of preventing corrosion of uncoated aluminum sheet or beverage cans in a brewery pasteurizer water system  
A method for eliminating or reducing dome staining during the pasteurization of aluminum beverage cans involves the addition of zinc, orthophosphate, a zinc stabilizing polymer and, optionally,...
4683157 Thixotropic coating compositions and methods  
Metal part coated with a cured coating composition comprising (a) an acid aqueous solution of phosphate ions and ions of chromate or molybdate, (b) an acid-stable amorphous silica and (c) a...
4668293 Phytate corrosion inhibitor system  
A corrosion inhibitor system and method for inhibiting corrosion in aqueous compositions within aerosol containers. The composition comprises at least one Group I metal salt of benzoic acid and at...
4659613 Parts coated with thick coating compositions of uni- and polymodal types  
A coated metal or ceramic part having improved salt corrosion and oxidation resistance having a liquid binder which comprises phosphate ions and ions of the group of chromate or molybdate ions, and...
4613450 Anticorrosion means and compositions containing same  
This invention relates to a corrosion inhibitor for protecting metallic surfaces which are in contact with water, in particular circuits, apparatus and devices which use water as energetic or...
4588519 Method of inhibiting corrosion of iron base metals  
A process for inhibiting the corrosion of iron based metals in contact with aqueous systems by incorporating in the aqueous system an effective amount of a composition comprising an inorganic...
4561896 Corrosion inhibiting coatings  
A paint composition for inhibiting corrosion of a metal surface includes a powdered sacrificial metal for that surface and a powdered water soluble corrosion inhibiting glass. Typically the paint...
4559088 Rust preventatives  
An aqueous rust preventative composition for application to iron-containing alloys which contains a mono-alkali or monoalkanolamine salt of a phosphoric acid ester of an unsaturated hydroxy fatty...
4520153 Production of paint containing lecithin-treated metal oxide  
A process which includes subjecting a composition of (a) solid or fluid, oil-carrying or oil-free lecithin materials and (b) metal oxides to mechanical treatment or mechanical impact, without the...
4517114 Inhibitors against corrosion caused by CO.sub.2 and H.sub.2 S in water-in-oil emulsions  
The subject invention relates to compositions which inhibit the corrosion caused by CO 2 and H 2 S in the transport and storage of crude oils, which are generally water-in-oil, in particular...
4511404 Compositions for inhibiting corrosion of metal surfaces  
Corrosion inhibiting compositions for ferrous and non-ferrous metal surfaces comprise one or more crystalline polyphosphates, e.g. a strontium tripolyphosphate. The compositions have particular...
4508569 Sealing compound for cans  
Disclosed is a sealing compound for cans, which is applied to the periphery of a can end member to seal the double-seamed portion between the can end member and a can body, said sealing compound...
4505748 Anti-corrosive paint  
An anti-corrosive coating composition includes an anti-corrosive pigment component comprising (a) a salt comprising a polyvalent metal cation and an organic polyphosphonic acid containing at least...
Matches 151 - 200 out of 366 < 1 2 3 4 5 6 7 8 >