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)
09/1977
09/13/1977US4048174 Process for preparing 1,2-fused-1,3-dinitrogen-heterocyclic compounds
09/13/1977US4048065 Control of corrosion and scale in circulating water systems by means of partial esters of polyfunctional organic acids
09/06/1977US4046707 Treatment of aqueous systems
08/1977
08/30/1977US4045253 A base, an oxygen containing gas, hydrazine, an iron complexing agent
08/16/1977US4042324 Process for inhibiting the corrosions and deposition of boiler scale in water-conveying systems
08/16/1977US4042323 Process of inhibiting corrosion of metal in an aqueous environment with mixtures of thio-, oxygen and thio- oxygen phosphates and pyrophosphates
08/02/1977US4039336 Corrosion resistance
07/1977
07/12/1977US4035530 Method of inhibiting sulfidation and modifying deposits
07/05/1977US4033896 Method of corrosion inhibition and compositions therefor
06/1977
06/28/1977US4032460 Inhibition of scale deposition in high temperature wells
06/21/1977US4030913 Nitro compounds
06/14/1977US4029697 N-acyl-1-amino alkane-1,1-diphosphonic acid compounds, process of making same, and compositions for and method of using same
06/14/1977US4029679 Protective metal coating
06/07/1977US4028268 High temperature corrosion inhibitor
06/07/1977US4028117 Corrosion inhibitors
06/07/1977US4028055 Saturated aliphatic triamines
05/1977
05/31/1977US4026946 Corrosion inhibitors
05/31/1977US4026815 Method for preventing corrosion in water-carrying systems
05/31/1977US4026807 Alkynoxymethyl amines
05/31/1977US4026664 Catalyzed hydrazine compound corrosion inhibiting composition containing a quinone compound and a complex of metal salt and an ortho aromatic compound
05/10/1977US4022713 Rust-inhibitors
05/10/1977US4022712 Catalyzed hydrazine compound corrosion inhibiting composition containing complex of metal salt and amino derivative of carboxylic acid, and its use
05/10/1977US4022711 Catalyzed hydrazine compound corrosion inhibiting composition containing a complex of metal salt and amino derivative of carboxylic acid, and a quinone compound
04/1977
04/26/1977US4020000 Control of corrosion and scale in circulating water systems by means of partial esters of polyfunctional organic acids
04/26/1977US4019992 Corrosion inhibitors for absorption refrigeration systems
04/26/1977US4019926 Forming a boron-containing oxide film on a iron-chromium alloy
04/26/1977US4019859 Triethylene tetramine stabilization of cobalt catalyzed sulfite solutions and use thereof in controlling oxygen corrosion in boiler water systems
04/19/1977US4018703 Dinitrosalicyclic-nitrophthalic-mon4017 onitroterephthalic-dinitroterephthalic acids; steels in acid
04/19/1977US4018702 For protecting metals in aqueous systems
04/19/1977US4018701 For water systems
04/19/1977US4018700 Chromated alkaline earth salts of bis(s-diphenylguanidinium benzenephosphonate) for the corrosion-inhibition of aluminum and ferrous alloys
03/1977
03/29/1977US4014894 Benzotriazole derivatives
03/29/1977US4014814 Corrosion inhibitor composition
03/15/1977US4012440 Methylene phosphonates of oxyalkylated polyalkylene polyamines and uses therefor
03/15/1977US4012195 Organometallic complexes as oxygen scavengers
03/01/1977US4010007 Thermally labile rust inhibitors
02/1977
02/01/1977US4006026 Organo-tin compound
01/1977
01/25/1977US4005160 From a nitrile and phosphite ester, hydrogenation
01/18/1977US4004055 Inhibiting stress cracking
01/18/1977US4003842 Corrosion and scale inhibitors for industrial recirculating cooling water systems
12/1976
12/28/1976US4000079 Antifreeze additives
12/28/1976US4000012 Anticorrosive coating of steel
12/21/1976US3998993 Electrical device having a metal surface bearing a corrosion inhibitor
12/21/1976US3998862 Rust and corrosion inhibition
12/21/1976US3998833 Diels-alder adducts of dihydro-nitrogen heterocyclic phosphoramidates
12/14/1976US3997469 Corrosion inhibition with oil soluble diamides
12/14/1976US3997356 Organo-silane
12/14/1976US3997293 Use of dihydro-nitrogen heterocyclic phosphoramidates as corrosion inhibitors
12/07/1976US3996135 Oxygen in aqueous fluids with a catalyst of chlorine dioxide or its salts
12/07/1976US3996058 Inhibition of corrosion in a pipeline carrying a slurry
11/1976
11/16/1976US3992318 Corrosion inhibitor
11/02/1976US3989640 Corrosion inhibitor composition
11/02/1976US3989637 Corrosion inhibitors and processes for using the same
11/02/1976US3989460 Water soluble waterflood corrosion inhibitor
11/02/1976US3989459 Method of preventing corrosion of steelworks
10/1976
10/12/1976US3985504 Saponified ene-adducts of maleic anhydride to unsaturated fatty acids
10/12/1976US3985503 Carboxylated benzotriazoles including the alkali metal salts and alkyl esters thereof
10/05/1976US3984203 Process of using thiophosphates as corrosion inhibitors for metals in aqueous acid systems
09/1976
09/28/1976US3983048 Composition for accelerating oxygen removal comprised of a mixture of aqueous hydrazine and an aryl amine compound
09/28/1976US3982894 Method of inhibiting acidic corrosion of ferrous metals with polyquaternary amino polymers
09/21/1976US3981780 Compositions for inhibiting the corrosion of metals
09/21/1976US3981682 Corrosion inhibiting compositions and process for inhibiting corrosion of metals
08/1976
08/31/1976US3978103 Bonding agents, vulcanization
08/31/1976US3977994 Rust inhibiting composition
08/31/1976US3977981 Inhibiting corrosion with macrocyclic tetramine corrosion inhibitors
08/24/1976US3976617 Corrosion inhibiting system containing zinc and zinc phosphate
08/24/1976US3976593 Triethanolamine bisulfite, corrosion inhibitor
08/24/1976US3976589 Diphosphonated ethoxylated tertiary amine
08/24/1976US3976494 Process for inhibiting corrosion of iron or steel placed in cement products
08/10/1976US3974230 Stabilized 1,1,1-trichloroethane
08/10/1976US3974209 Water treatment, complex metal ions
08/10/1976US3974090 Imino alkylimino phosphonates and method for preparing and using same
08/10/1976US3974083 Control of corrosion and scale in circulating water systems by means of partial esters of polyfunctional organic acids
08/10/1976US3973998 Rinsing solutions for acid cleaned iron and steel surfaces
08/03/1976US3973056 Inhibition of stress-corrosion cracking of steel pipeline
07/1976
07/27/1976US3971734 Sulfite compositions, aqueous sulfite solutions and method of decreasing their rate of oxidation
07/27/1976US3971628 Method for inhibiting rust formation on iron-containing articles
07/13/1976US3969237 Lubricant compositions containing benzotriazole derivatives as copper passivators
07/13/1976US3969236 Compositions containing monoalkanolamide borates
07/06/1976US3967926 Method for inhibiting the corrosion of metals with vapor phase inhibitors disposed in a zeolite carrier
06/1976
06/29/1976US3966620 Lubricant compositions
06/22/1976US3965264 Diels-alder adduct of a phosphoramidate and a dienophile
06/22/1976US3965027 Scale inhibition and corrosion inhibition
06/22/1976US3964939 Bodies including passivated metal particles
06/15/1976US3963636 Treatment of water or aqueous systems
06/15/1976US3963472 Process for preventing corrosion by incorporative soluble metal chromates in fertilizer solutions
06/08/1976US3962407 By adding metallic aluminum
06/08/1976US3962122 Polyamide corrosion inhibitor
06/08/1976US3962113 Method for accelerating oxygen removal employing an aqueous solution of an alkyl hydrazine
06/01/1976US3960735 Corrosion-inhibited polyphosphate compositions
06/01/1976US3960671 Quinones as corrosion inhibitor in distilling alkanoic acids
06/01/1976US3960576 Organic phosphonate, carboxymethyl cellulose
05/1976
05/25/1976US3959177 1,2-dithiole-3-thiones, thiophosphates or pyrophosphates
05/25/1976US3959170 Corrosion inhibitors for alkanolamine gas treating system
05/25/1976US3959158 High temperature corrosion inhibitor for gas and oil wells
05/04/1976US3954873 Amino alcohols
05/04/1976US3954761 Piperazine phosphonic acids
04/1976
04/20/1976US3951844 Corrosion inhibition of aqueous potassium carbonate gas treating systems
04/06/1976US3948976 Partial esters of hydroxy polycarboxylic acids
04/06/1976US3948792 Corrosion and scale softening composition
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