| 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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| 04/28/1981 | CA1100123A1 Water-based industrial fluids |
| 04/21/1981 | US4263167 Corrosion inhibitors for ferrous metals |
| 04/21/1981 | US4263062 Aryl phosphate, calcium petroleum sulfonate, polyolester coating |
| 04/15/1981 | EP0026878A1 Corrosion inhibitors stable in hard water |
| 04/14/1981 | US4261766 Immersion in aqueous solution of a cyanide |
| 04/08/1981 | EP0026709A2 Poly(alkylene oxide)composition containing a nitro-substituted aromatic compound |
| 04/01/1981 | EP0025998A1 Polyether polyamines, their salts and their application |
| 04/01/1981 | EP0025863A1 Use of 1,2,4-triazole derivatives as corrosion inhibitors for non ferrous metals |
| 03/31/1981 | US4259483 Quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids |
| 03/25/1981 | EP0025624A1 Process for inhibiting the corrosion of a metallic installation upon contact with an acidic bath |
| 03/24/1981 | USRE30553 Divalent metal phosphate salts of carboxylic acids |
| 03/24/1981 | US4257902 Dispersions; for use in hydraulic systems, metal shaping operations and underground mining |
| 03/18/1981 | EP0025125A1 Use of hydroxy carboxylic acids that contain sulphur as corrosion inhibitors for aqueous systems |
| 03/17/1981 | US4256691 Zinc or magnesium compounds in ammonia |
| 03/17/1981 | CA1097491A1 Method of inhibiting corrosion of aluminum with 2- phosphono-butane-1,2,4-tricarboxylic acid |
| 03/10/1981 | US4255214 Applying tolyltriazole |
| 03/05/1981 | WO1981000579A1 Temper rolling fluids |
| 03/03/1981 | US4254167 Partially hydrated lime coating |
| 03/03/1981 | US4253876 Alkenyl (or alkyl) succinic acid or anhydride, triester of the acid with trialkanolamine |
| 02/24/1981 | US4252743 Corrosion resistance; pickling, acidification processes, and brine systems |
| 02/17/1981 | US4251462 Reacting 1,5,9-cyclododecatriene with carbon monoxide and hydrogen, removing catalyst, reacting with hydrogen and ammonia |
| 02/17/1981 | CA1095886A1 Magnesium-containing complexes, method for their preparation, and compositions containing the same |
| 02/10/1981 | US4250150 Process for the treatment of gaseous mixtures, which contain sour gases, with organic solvents |
| 02/04/1981 | EP0023335A1 N-Hydroxyalkylimidazoline derivatives, a method for their preparation and their application |
| 02/03/1981 | US4248796 Quaternary alkynoxymethyl amines |
| 02/03/1981 | CA1095073A1 Mercaptocarboxylic acid esters and process for their manufacture |
| 02/03/1981 | CA1095057A1 Rust inhibitor and compositions thereof |
| 02/03/1981 | CA1094792A1 Anti-corrosion composition for use in aqueous systems |
| 01/28/1981 | EP0022999A1 Corrosion inhibiting composition for aluminium and aluminium alloys |
| 01/27/1981 | US4247415 Glycerol alkylphenyl ether |
| 01/27/1981 | US4247414 Rust inhibitors and compositions of same |
| 01/21/1981 | EP0022701A1 Improved poly(alkylene oxide) compositions containing a bridged dimer of a hydroxylsubstituted aromatic carboxylic acid or a salt thereof |
| 01/20/1981 | US4246103 Inhibit precipitation of hard water ions especially for industrial water and sludge |
| 01/20/1981 | US4246030 Amino alkylene phosphonic acid or its derivative |
| 01/13/1981 | US4244989 Using an abrasive coated with a binder and a corrosion-resistant salt |
| 01/06/1981 | US4243591 Poly(vinyl phosphonomethylene amino carboxylates) and process for preparation |
| 12/30/1980 | US4242214 Alcohol and tetraborate, metaborate, metasilicate, benzoate, tolyl-or benzotriazole |
| 12/23/1980 | US4241016 Internal combustion engines and radiator components |
| 12/23/1980 | US4240925 Inhibition of pitting corrosion |
| 12/16/1980 | US4239648 Telomeric phosphorus corrosion inhibiting compositions |
| 12/16/1980 | US4239636 Thio-bis-(alkyl lactone acid esters) and thio-bis-(hydrocarbyl diacid esters) are useful additives for lubricating compositions |
| 12/11/1980 | WO1980002700A1 Inhibiting corrosion in high temperature,high pressure gas wells |
| 12/11/1980 | WO1980002699A1 Inhibiting corrosion in high temperature,high pressure gas wells |
| 12/10/1980 | EP0020042A2 Non-petroleum based metal corrosion inhibitor and a metal object coated therewith |
| 12/09/1980 | US4238350 Method and a composition for inhibiting corrosion |
| 12/09/1980 | US4238349 Enhanced oil recovery, hydrazine salts of amido carboxylic acids |
| 12/09/1980 | US4238348 Method and a composition for inhibiting corrosion |
| 12/02/1980 | US4237090 By adding tolyltriazole, bactericide, sodium metasilicate, sodium nitrite, and borax |
| 12/02/1980 | CA1090818A1 2,2,2-tris (hydroxymethyl) ethylphosphonic acid and method for its preparation |
| 11/26/1980 | EP0019197A1 Process for preparing polymers of vinyl chloride, composition for coating polymerization vessels, and polymerization vessel coated therewith |
| 11/25/1980 | US4235838 In oil and gas wells |
| 11/18/1980 | US4234511 Dialkylamino-N,N-bis(phosphonoalkylene)alkylamines and use in aqueous systems as precipitation and corrosion inhibitors |
| 11/18/1980 | US4234332 Aqueous fertilizer solutions containing dicyandiamide |
| 11/11/1980 | US4233176 Non-petroleum based metal corrosion inhibitor |
| 11/11/1980 | US4233124 Electrolytic stripping bath and process |
| 11/11/1980 | CA1089315A1 Synergistic compositions for corrosion and scale control |
| 11/04/1980 | US4231894 Adding a 1-hydroxyalkylidene diphosphonic acid or salt; water treatment |
| 11/04/1980 | US4231869 Permanent cobalt catalyst for sulfite oxygen scavenging |
| 10/29/1980 | EP0018083A1 Corrosion inhibitor method for the treatment for boiler water |
| 10/28/1980 | CA1088290A1 Methods of corrosion inhibition and compositions therefor |
| 10/21/1980 | US4229409 Method of inhibiting corrosion of aluminum with 2-phosphono-butane-1,2,4-tricarboxylic acid |
| 10/21/1980 | US4229294 Hydroxypropylene-amino-phosphonic-sulfonic acids for inhibiting scale formation |
| 10/16/1980 | WO1980002155A1 Antibacterial surfactant containing azaalkenelactam |
| 10/15/1980 | EP0017373A1 Stable compositions for use as corrosion inhibitors and method of corrosion inhibition in aqueous media |
| 09/30/1980 | US4225488 Reaction of olefins with a sulfur halide, reaction of adduct with aqueous solution of an alkali metal sulfide; corrosive |
| 09/23/1980 | US4224180 Fuel additives for acid corrosion resistance, alkanolamine and ethylenepolyamine |
| 09/17/1980 | EP0015442A1 Low-foaming corrosion inhibitors with microbiocidal properties, that contain alcanolamine-boric acid reaction products as the active ingredients |
| 09/16/1980 | CA1085614A1 Reducing hot corrosion due to alkali metal and vanadium contamination |
| 09/09/1980 | CA1085154A1 Corrosion inhibitor compositions |
| 09/02/1980 | US4220785 Thermal dealkylation of pyridinium salts |
| 09/02/1980 | US4220485 Process for sealing phosphatized metal components |
| 09/02/1980 | CA1084688A1 Corrosion inhibitor for metal surfaces |
| 09/02/1980 | CA1084687A1 Quaternary pyridinium salt inhibitor system for gas conditioning solutions |
| 09/02/1980 | CA1084686A1 Corrosion control method using methoxypropylamine (mopa) in water-free petroleum and petrochemical process units |
| 09/02/1980 | CA1084685A1 Cobalt-containing inhibitor for sour gas conditioning solutions |
| 09/02/1980 | CA1084684A1 Water-soluble film-forming rust preventive composition |
| 08/26/1980 | US4219433 Metal corrosion inhibitor |
| 08/19/1980 | CA1083756A1 Prevention of water staining of aluminum |
| 08/12/1980 | US4217329 Corrosion inhibitors |
| 08/12/1980 | US4217216 Corrosion inhibiting compositions |
| 08/12/1980 | CA1083335A1 Composition and method of inhibiting corrosion |
| 07/29/1980 | US4215072 Diphospha-s-triazines |
| 07/22/1980 | US4213934 Use of phosphorylated oxyalkylated polyols in conjunction with sulfite and bisulfite oxygen scavengers |
| 07/22/1980 | CA1082220A1 Corrosion inhibitors |
| 07/15/1980 | US4212843 Enhanced oil recovery |
| 07/15/1980 | US4212842 Heterocyclic imine |
| 07/15/1980 | US4212764 Quaternary polyvinyl heterocyclic compositions and use as corrosion inhibitors |
| 07/15/1980 | US4212734 Inhibiting scale with amino-phosphonic-sulfonic acids |
| 07/09/1980 | EP0012909A1 Benzimidazolyl-2-alkane-phosphonic acids and their salts, process for their preparation and their use as corrosion inhibitors or wetting agents |
| 07/08/1980 | CA1081096A1 Passivating metal surfaces |
| 07/01/1980 | US4210575 Protective phosphate coating provided from a glass containing paint |
| 06/25/1980 | EP0012695A1 Composition and method for sealing phosphatized metal components |
| 06/24/1980 | US4209583 Corrosion preventative for two-bath stabilizer baths |
| 06/24/1980 | US4209487 Of metals in oxygen-bearing waters by a 1,2-ethane diphosphonate |
| 06/24/1980 | US4209398 Antiscaling and antideposit agents; acrylic polymers, phosphorus compounds, metal salts |
| 06/24/1980 | CA1080220A1 Process for the preparation of 1,2-fused five-membered or six-membered 1,3-dinitrogen-heterocyclic compounds and their use |
| 06/17/1980 | US4208391 Process for producing aqueous solution of calcium nitrite |
| 06/17/1980 | US4208344 Corrosion resistance, antiscaling agents |
| 06/10/1980 | US4207285 Alkanolamine salts of maleamic acids as anti-corrosion agents in aqueous systems |
| 06/03/1980 | US4206233 Microbiocidal quaternaries of halogen derivatives of alkynoxymethyl amines |