| Patents for C23F 11 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent (9,217) |
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| 10/01/1991 | CA2069952A1 Anticorrosive agent of steam and condenser systems and anticorrosive method of steam and condenser systems |
| 10/01/1991 | CA1289846C Control of corrosion in aqueous systems |
| 09/25/1991 | EP0448016A1 Process for optimizing corrosion protection of coated substrates |
| 09/24/1991 | US5051532 N,N-bis-phosphonomethyl taurine N-oxide and water-soluble salts thereof |
| 09/24/1991 | US5051220 Coil shape hollow path, cut into plate, filled with an exother mally reacted pulverulent mixture and compressed with a platen |
| 09/20/1991 | CA2038488A1 Process for optimizing corrosion protection of coated substrates |
| 09/18/1991 | EP0446616A1 Process for inhibiting corrosion in oil production fluids |
| 09/17/1991 | US5049311 Surfactants |
| 09/17/1991 | US5049310 Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom |
| 09/17/1991 | US5049201 Crown compounds |
| 09/17/1991 | CA1289293C Polymer-zinc corrosion inhibitor |
| 09/17/1991 | CA1289145C Hydroxyphosphono carboxylic acids |
| 09/10/1991 | US5047094 Anti corrosion metal complex compositions |
| 09/05/1991 | DE4006370A1 Preventing metal corrosion during prodn. of acyl-chloride(s) - using metals with electro-negativity of above 1.2 |
| 09/04/1991 | EP0444807A1 Polyquinoxaline compositions and their method of preparation |
| 09/02/1991 | WO1991013189A1 Process for the prevention of corrosion on metal materials in the production of carboxylic acid chlorides |
| 09/02/1991 | CA2081374A1 Process for the prevention of corrosion on metal materials in the production of carboxylic acid chlorides |
| 08/28/1991 | EP0443694A1 Protective article |
| 08/28/1991 | EP0354924B1 Corrosion prevention for braces |
| 08/27/1991 | US5043099 Mono- and di-substituted (diphosphonoalkylamino methyl)-4-hydroxybenzenesulfonic acid |
| 08/22/1991 | CA2035353A1 Polyquinoxaline compositions and the method of preparation |
| 08/21/1991 | CN1013578B Corrosion-inhibitive and anti-sludge agent compond of derivatives of thiophosphate ester and imidazoline phosphate ester |
| 08/20/1991 | US5041241 Mixture of amorphous silica particles and silica particles containing cations releasable by ion exchange |
| 08/14/1991 | DE4003893A1 Preventing corrosion in liquids in oil fields |
| 08/07/1991 | WO1991012354A1 Compositions and process for corrosion inhibition of ferrous metals |
| 08/06/1991 | US5037478 Used for coating, inks |
| 07/30/1991 | US5035806 Scaling salt threshold inhibition and dispersion with hydrophilic/hydrophobic polymers |
| 07/30/1991 | US5035737 Urea-sulfuric acid adduct |
| 07/25/1991 | DE4001420A1 Alkenylamino-methylene-phosphonic acids and their copolymers prepn. - useful as complexing agents and as scale inhibitors in crude oil recovery |
| 07/24/1991 | EP0437843A1 Alkenylaminomethylene phosphonic acids and their copolymers with unsaturated carboxylic acids |
| 07/24/1991 | EP0437722A1 Control of corrosion in aqueous systems using certain phosphonomethyl amine oxides |
| 07/23/1991 | US5034155 Sodium molybdate and benzotriazole as corrosion inhibitors with citric acid as an iron dispersant and a microbiocide |
| 07/23/1991 | CA1286490C Phosphonic acid/phosphate mixtures for controlling corrosion of metal and inhibiting calcium phosphate precipitation |
| 07/20/1991 | CA2034517A1 Alkenylaminomethylenephosphonic acids and copolymers thereof with unsaturated carboxylic acids |
| 07/16/1991 | US5032318 Process of inhibiting corrosion |
| 07/16/1991 | US5032317 In aerosol cans with amine salt |
| 07/11/1991 | DE4024309A1 Welding scale inhibitors for resistance or arc welding - contains reaction prod. of tetra:alkyl silicate and water, or tetra:alkyl silicate, tri:alkyl borate and water |
| 07/09/1991 | US5030748 Allyloxy alkylene monomers; antiscaling agents |
| 07/09/1991 | US5030385 Alkylamine, polyamine, or imidazoline salts of oleic acid |
| 07/09/1991 | US5030364 Chlorine ion and sodium or iron ion, capable of forming sodium chloride having oblate tetrahedral crystal form |
| 07/02/1991 | CA2018416A1 Method of passivating zinc-aluminum galvanized ferrous metals |
| 06/27/1991 | WO1991008983A1 Process for producing aqueous ammonium nitrite solutions and use of these solutions as volatile corrosion inhibitors |
| 06/27/1991 | DE3942065A1 Verfahren zur herstellung waessriger ammoniumnitritloesungen und verwendung dieser loesungen als fluechtiger korrosionsinhibitor Process for preparing aqueous ammonium nitrite loesungen and use this loesungen as volatile corrosion inhibitor |
| 06/25/1991 | US5026523 Process for inhibiting corrosion of vapor/condensed water system |
| 06/21/1991 | WO1991009154A1 Deoxidizer for boiler and method of removing dissolved oxygen from boiler water |
| 06/19/1991 | EP0432664A1 Control of scale in aqueous systems using certain phosphonomethyl amine oxides |
| 06/19/1991 | CN1012903B Method for preparing organic rust preventing lubricant |
| 06/18/1991 | US5024268 Corrosion inhibiting coolant inhibitor container |
| 06/12/1991 | WO1991009153A1 Method of protecting embedded reinforcing members |
| 06/12/1991 | CN1052151A 17 alkenyl imidazoline corrosion inhibitor for oil field |
| 06/12/1991 | CA2046309A1 Method of protecting embedded reinforcing members |
| 06/11/1991 | US5023011 Treatment with phosphonates, scale modifying polymers, chelants, sodium gluconate, sodium molybdate, and sodium benzotriazole |
| 06/11/1991 | US5022926 Corrosion control |
| 06/05/1991 | EP0429880A2 Method for corrosion protection of rivets |
| 05/29/1991 | EP0429180A2 Non-toxic corrosion inhibitive compositions and method for inhibiting corrosion |
| 05/28/1991 | US5019343 Control of corrosion in aqueous systems using certain phosphonomethyl amines |
| 05/28/1991 | US5019342 Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers |
| 05/28/1991 | US5019340 Alcohol-based aluminum corrosion inhibitor compositions comprising polysilyl compounds |
| 05/22/1991 | EP0428383A1 Process for surface treatment of copper and copper alloy |
| 05/22/1991 | EP0428260A2 Metal surface treatment agents |
| 05/21/1991 | US5017306 Hydroxymethylphosphonic acid, di(phosphonomethyl)formal |
| 05/16/1991 | CA2029839A1 Method of detecting the concentration of an active ingredient in an aqueous system |
| 05/15/1991 | EP0427616A1 Nickel plating solution, nickelchromium electroplating method and nickel-chromium plating film |
| 05/15/1991 | EP0427418A1 Bromosulfamate as biocide in nitrite-containing corrosion inhibition |
| 05/15/1991 | EP0426671A1 Product capable of inhibiting the corrosion of the reinforcements present in concrete or cement mortar and related process. |
| 05/08/1991 | EP0426212A1 Process and composition for treating metal surfaces |
| 05/08/1991 | CN1051190A Non-toxic corrosion inhibitive compositions and methods therefor |
| 05/07/1991 | US5013483 Process and composition for inhibiting iron and steel corrosion |
| 05/07/1991 | US5013482 Corrosion inhibition |
| 05/07/1991 | US5013481 Boiler chemicals and method of preventing corrosion of boilers |
| 05/07/1991 | US5013381 Lanthanide series or yttrium salts |
| 05/02/1991 | EP0425271A2 Process for rinsing phosphate conversion coatings with compositions containing an S-triazine compound |
| 05/02/1991 | EP0424561A1 Apparatus for the impregnation of objects made from porous material |
| 04/30/1991 | US5011711 Coating with water soluble material and fluorine compound; drying |
| 04/26/1991 | CA2021675A1 Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers |
| 04/23/1991 | US5009935 Applying a nitrogen containing compound to form a complex which is water insoluble |
| 04/18/1991 | DE3934273A1 Anti-corrosion packaging material for metals - comprising combination of thermoplastic polymer and active mixt. of salicylic acid-octadecyl:amine salt and benzoic acid- di:ethylamine salt |
| 04/17/1991 | EP0404788A4 Metallic surface protection |
| 04/16/1991 | US5008039 Inhibiting corrosion of metals exposed to an aqueous media using dicarboxylic acid, vegetable oil adduct, and a base to adjust the PH |
| 04/12/1991 | CA2027303A1 Coolant compositions having corrosion inhibitor therein |
| 04/12/1991 | CA2027302A1 Silicate-free coolant composition having corrosion inhibitor therein |
| 04/05/1991 | WO1991005033A1 Process for manufacturing stable, low-viscosity ow anti-rust emulsions |
| 04/05/1991 | CA2067501A1 Process for manufacturing stable, low viscosity o/w anti-rust emulsions |
| 04/04/1991 | CA2026684A1 Surface treating agents for metal work |
| 04/04/1991 | CA2026260A1 Preparation of oxidation resistant metal powder |
| 04/02/1991 | US5004646 Phosphate ester of hydroxy (meth)acrylate |
| 04/02/1991 | CA1282232C Mercaptobenzothiazole and tolyltriazole corrosion inhibiting compositions |
| 03/26/1991 | US5002697 Molybdate-containing corrosion inhibitors |
| 03/26/1991 | US5002673 Corrosion inhibitor and method of use |
| 03/21/1991 | WO1991003533A1 Coating compositions |
| 03/20/1991 | CN1050053A Corrosion inhibitor of silicon series for treatment of cooled water in closed cycle |
| 03/19/1991 | US5000916 Molybdate-gluconate corrosion inhibitor |
| 03/19/1991 | US5000873 N-(hydrophobe aromatic)pyridinium compounds |
| 03/13/1991 | EP0416378A1 Corrosion inhibiting hydraulic cement additives and compositions containing same |
| 03/12/1991 | US4999250 Composition and use |
| 03/12/1991 | US4999161 Acrylic amide polymers which release an amine, corrosion resistance for boilers |
| 03/05/1991 | US4997583 Method for protecting carbon steel from corrosion in heavy brines |
| 03/05/1991 | US4997040 Corrosion inhibition using mercury intensifiers |
| 02/19/1991 | US4994575 Particularly ferrous metals |
| 02/19/1991 | US4994195 Mixture of phosphonate, permanganate and copolymer of acrylic acid and allyl hydroxypropyl sulfonate ether |