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