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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03/02/1982 | US4317741 Use of poly(oxyalkylated) hydrazines as corrosion inhibitors |
03/02/1982 | CA1118990A1 Molybdate-amine corrosion inhibitor |
02/23/1982 | CA1118590A1 Stable compositions for use as corrosion inhibitors |
02/23/1982 | CA1118589A1 Method of corrosion inhibition in aqueous mediums |
02/17/1982 | EP0046139A1 Use of triazine-carboxylic acids as corrosion inhibitors for aqueous systems |
02/16/1982 | US4316007 Flocculation and aggregation in water clarification treatment |
02/09/1982 | US4315087 Quaternary polyaminoamides |
02/02/1982 | US4314005 Process for coating ferrous metal articles and resulting articles |
01/26/1982 | US4312832 Polymerization of aromatic nitrogen heterocyclic compounds |
01/26/1982 | US4312831 Quaternaries of tertiary amino-substituted thiazines |
01/26/1982 | US4312830 Use as corrosion inhibitors in enhanced oil recovery |
01/20/1982 | EP0044124A1 Composition and method for reducing oxygen in aqueous media |
01/19/1982 | US4311663 α-1,4-Thiazine alkanephosphonic acids as corrosion inhibitors |
01/19/1982 | US4311662 Phosphorylated oxyalkylated polyols |
01/19/1982 | US4311599 Reduced methylene blue for oxygen removal |
01/13/1982 | EP0043525A1 Corrosion inhibitors for alkanolamine gas treating systems |
01/12/1982 | US4309810 Porous metal films |
01/06/1982 | EP0043360A1 Corrosion protection |
01/05/1982 | US4309383 Di-quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids as corrosion inhibitors |
12/29/1981 | US4308168 Vapor phase corrosion inhibitor compositions and method of inhibiting corrosion using said compositions |
12/29/1981 | US4308079 Treating with an amino phosphonate compound corrosion inhibitor |
12/29/1981 | CA1115214A1 Alkali hydroxides or carbonates in silica toothpaste |
12/29/1981 | CA1115041A1 Corrosion inhibitor |
12/23/1981 | EP0042205A1 Method for inhibiting fatigue of aluminum |
12/22/1981 | US4306986 Selected poly(oxyalkylated) pyrazoles and their use as corrosion inhibitors |
12/22/1981 | CA1114595A1 Corrosion inhibitor treatment for boiler water |
12/16/1981 | EP0041927A1 Corrosion inhibiting compositions |
12/02/1981 | EP0041039A1 Use of salts or partial esters of aminotriazine-carboxylic acids as corrosion inhibitors for metals in aqueous systems |
12/01/1981 | US4303568 Corrosion inhibition treatments and method |
12/01/1981 | US4303546 Process of treating aqueous heating media in heating systems, and composition |
12/01/1981 | CA1113238A1 Anti-corrosion composition |
12/01/1981 | CA1113237A1 Corrosion inhibitor mixture for ammonium sulfate fire-retardant compositions and method for inhibiting corrosivity of such compositions |
12/01/1981 | CA1113236A1 Method and composition for reducing cold-end corrosion |
12/01/1981 | CA1113235A1 Corrosion inhibitor for aqueous brines |
11/24/1981 | US4302354 Mixtures of vicinal aminoalkanols, process of preparation, and their application as corrosion inhibitors |
11/17/1981 | US4301025 Derivatives of polyphosphoric acid partial esters |
11/17/1981 | CA1112432A1 Protective coating for metals |
11/11/1981 | EP0039488A2 Composition containing a water-soluble polyalkyleneoxide, a stabiliser therefor and a corrosion inhibitor |
11/10/1981 | US4299982 Corrosion resistance |
11/10/1981 | US4299725 Aqueous media of decreased corrosiveness for iron-containing metals |
11/04/1981 | EP0039314A1 Use of phosphoric acid di-esters as corrosion inhibitors |
11/04/1981 | EP0039130A1 Aromatic compounds as oxygen scavengers in an aqueous medium |
11/03/1981 | US4298657 Corrosion protection for metal surfaces |
11/03/1981 | US4298568 3-amino-5-alkyl-1,2,4-triazole |
11/03/1981 | CA1111695A1 Imidazole derivatives as corrosion preventatives for stabilizer baths used in photography |
10/28/1981 | EP0038364A1 Method of imparting rust resistance to steel materials |
10/27/1981 | US4297484 Quaternized derivatives of polymerized pyridines and quinolines |
10/27/1981 | US4297317 Low level chromate-based corrosion inhibition in aqueous mediums |
10/27/1981 | US4297237 Wherein the polymaleic anhydride can be an amine adduct |
10/27/1981 | US4297236 Water miscible corrosion inhibitors |
10/21/1981 | EP0037949A2 Mixture of a mixture salt of zinc-alconolimine, and its use as an anti-corrosion additive |
10/20/1981 | US4295979 Method and composition for inhibiting corrosion in high temperature, high pressure gas wells |
10/07/1981 | EP0037221A1 Method and composition for inhibiting corrosion of metal surfaces in aqueous solutions |
10/06/1981 | US4293441 Fluoroaliphaticsulfonamido phosphonic acid, ethylene glycol or propylene glycol |
09/29/1981 | US4292190 Corrosion inhibited aqueous compositions containing tertiary, bicyclic, or tricyclic amines |
09/22/1981 | US4290912 Volatile corrosion inhibiting article |
09/16/1981 | EP0035834A1 Corrosion inhibitors and compositions containing them |
09/15/1981 | US4289645 Hydroquinone and mu-amine compositions |
09/02/1981 | EP0034856A1 Process for inhibiting corrosion of apparatuses made of titanium |
09/02/1981 | EP0034726A2 Process for the manufacture of reaction products from fatty acids and alkanol amines and the use of the reaction products as technical emulsifiers |
09/01/1981 | CA1107948A1 Corrosion inhibiting compositions and process of using same |
08/20/1981 | WO1981002311A1 Method of producing conversion coatings |
08/19/1981 | EP0034040A1 Method of producing conversion coatings |
08/18/1981 | CA1107236A2 Method for lessening of interference in metal structures, and circuit and pick-up elements for applying said method |
08/12/1981 | EP0033417A1 Method of and composition for inhibiting corrosion |
08/05/1981 | EP0033181A1 Mixtures of branched-chain amines and derivatives thereof |
08/04/1981 | US4282178 Use of hydrazine compounds as corrosion inhibitors in caustic solutions |
08/04/1981 | US4282111 Hydroquinone as an oxygen scavenger in an aqueous medium |
07/29/1981 | EP0032674A1 Alkyl ether isothio-uronium salts, process for their preparation and their use as corrosion inhibitors and microbicides |
07/28/1981 | CA1105695A1 Methoxypropylamine and hydrazine steam condensate corrosion inhibitor compositions |
07/21/1981 | US4279767 Use of improved hydroquinone oxygen scavenger in aqueous mediums |
07/15/1981 | EP0031924A1 Use of alcanol-amine salts of cyclic amidocarboxylic acids as corrosion inhibitors in aqueous systems |
07/14/1981 | US4278791 Benzimidazolyl-2-alkane-phosphonic acids |
07/14/1981 | US4278635 Method for deoxygenation of water |
07/07/1981 | US4277454 Methods for the control of excessive corrosion in phosphoric acid circuits |
07/07/1981 | US4277366 Poly(alkylene oxide) composition |
07/07/1981 | US4277359 Water treatment to inhibit corrosion and scale and process |
06/30/1981 | US4276416 Quaternaries of tertiary amino-substituted thiazines |
06/30/1981 | US4276089 Anticorrosion composition |
06/30/1981 | US4275835 Corrosion inhibiting articles |
06/24/1981 | EP0030537A1 Inhibiting corrosion in high temperature, high pressure gas wells |
06/17/1981 | EP0030332A1 Use of 2-hydroxypropylimidazoles as oil-soluble corrosion inhibitors |
06/17/1981 | EP0030238A1 Inhibiting corrosion in high temperature, high pressure gas wells |
06/16/1981 | US4273744 Device for automatic addition of a corrosion inhibitor to a coolant system |
06/16/1981 | US4273664 Alkanolamine salts of monoamides of dicarboxylic acids |
06/10/1981 | EP0029892A1 Use of alcali or amino salts of a mixture of 2- and 3-alkyl-adipinic acids as corrosion inhibitor |
06/09/1981 | CA1102936A1 Non-coloring, abrasion resistant, adherent coating for gold and silver surfaces |
06/03/1981 | EP0029529A1 Reaction products of sulfone or carboxamido carboxylic acids with alkanol amines, and their use as corrosion inhibitors with low foam formation |
06/02/1981 | US4271132 Two-stage absorption desorption process using a potassium salt and an amine |
05/26/1981 | US4270001 Quaternaries of hydroxyalkylaminoalkylamides |
05/26/1981 | US4269717 Boiler additives for oxygen scavenging |
05/20/1981 | EP0028674A1 Use of acidic phosphoric acid esters or their salts as corrosion inhibitors for metals |
05/12/1981 | US4267122 Aminosulfonylcarboxylic acids and their substituted ammonium salts |
05/06/1981 | EP0027871A1 Cavitation inhibiting non-freezing cooling or heat-transfer liquids and use of a cavitation inhibiting additive in non-freezing cooling or heat transfer liquids |
05/06/1981 | EP0027870A1 Cavitation inhibiting non-freezing cooling or heat-transfer liquids and use of a cavitation inhibiting additive in non-freezing cooling or heat transfer liquids |
05/05/1981 | US4265769 Method of treating aqueous systems with phosphonoadipic acids |
04/30/1981 | WO1981001157A1 Method of imparting rust resistance to steel materials |
04/28/1981 | US4264768 Di-quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids |
04/28/1981 | US4264767 α-1,4-Thiazine alkanephosphonic acids |
04/28/1981 | US4264651 Method for calcite coating on the inner surface of pipes |