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