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)
03/1992
03/17/1992US5096618 Process and composition for inhibiting high-temperature iron and steel corrosion
03/17/1992US5096595 Control of scale in aqueous systems using certain phosphonomethyl amine oxides
03/17/1992CA1297350C Method for inhibiting sulfide stress corrosion cracking and hydrogen induced stepwise cracking
03/12/1992DE4028239A1 Formamidine sulphinic acid used as oxygen@ binder - pref. in aq. alkaline soln. esp. cyanide soln. contg. noble metal cyano complex for cementation with zinc@
03/11/1992EP0474117A1 Compositions
03/10/1992US5094814 All-volatile multi-functional oxygen and carbon dioxide corrosion control treatment for steam systems
03/07/1992CA2050531A1 Use of formamidine sulfuric acid as an oxygen scavenger
03/05/1992CA2026421A1 Liquid dispersants for pesticides
03/04/1992EP0473284A2 Combatting blistering in fluid catalytic cracking units
03/04/1992CN1059171A Prodn. of protecting agent for chromium-plated piece
03/03/1992US5093077 Ammonium lignosulfate, hydroxyethylidene diphosphonic acid, nitrogen oxide, boron oxide, silicon dioxide, production of cast iron diesel engines
02/1992
02/26/1992CN1015648B Metal corrosion inhibitor containing nitrogen, phosphorus and sulphur
02/26/1992CN1015647B Composite molybdate as high-efficiency inhibitor of corrosion and dirty
02/25/1992US5091113 Corrosion inhibiting composition
02/25/1992US5091108 N,n,n*,n*-tetrasubstituted phenylenediamine
02/19/1992EP0471400A1 Process and composition for protecting chrome steel
02/19/1992EP0471336A2 Polymeric adhesive and anti-corrosion agents
02/19/1992CN1058766A Reinforced concrete antirust wire pole
02/18/1992US5089226 Method for protecting austenitic stainless steel-made equipment from occurrence of stress-corrosion cracking
02/18/1992US5089153 Adding an antimony compound, quaternary compound and a surfactant
02/18/1992US5089049 Coating particles of calcium, magnesium or their alloys with derivatives of s-triazine or guanidine
02/18/1992CA2049365A1 Acid inhibitor composition for use in well acidizing operations
02/17/1992CA2048241A1 Polymeric adhesive and anti-corrosion agents
02/11/1992US5087717 Organosilane stabilizers for inorganic silicates in antifreezer/coolant compositions
02/11/1992CA1295529C Control of corrosion in aqueous systems
02/11/1992CA1295474C Method of inhibiting cold end corrosion in boilers
02/05/1992EP0469772A2 Analysis of ferrous ion in circulating water
02/05/1992EP0469203A1 Mannich condensates of a substituted phenol and an alkylamine containing internal alkoxy groups
02/04/1992US5085793 Mixture of liquid alcohol and hydroxyl substituted aromatic caroxylic acid
02/04/1992US5085791 Corrosion-inhibited antifreeze/coolant composition containing cyclohexane acid(s)
02/02/1992CA2048208A1 Process and composition for protecting chrome steel
02/01/1992CA2047828A1 On-line analyzer for ferrous ion
01/1992
01/29/1992EP0468883A1 Anticorrosion coating composition
01/28/1992US5084210 Corrosion inhibitor
01/28/1992CA1294774C Phenolic corrosion inhibitors for coating materials
01/23/1992WO1992001029A1 Aqueous coolant
01/21/1992US5082592 Corrosion inhibitors for ferrous metals in aqueous solutions comprising a nonionic surfactant and an anionic oxygen containing group
01/21/1992CA1294421C Anti-corrosion composition
01/21/1992CA1294420C Boiler corrosion inhibitor compositions and method
01/14/1992US5081333 Electric discharge machining fluid with a fatty acid amide additive for rust inhibition
01/14/1992US5081209 Applying to a metal surface a mercaptan chain transfer agent modified poly(meth)acrylic acid
01/14/1992US5080863 Inhibiting corrosion in aqueous heat transfer apparatus
01/14/1992US5080818 Antifreeze composition
01/08/1992EP0464473A1 Alkenylsuccinic monoamide salts and their use as corrosion inhibitors and emulsifiers for metal working oils
01/07/1992US5078966 Corrosion protection for fluid catalytic cracking units
01/02/1992EP0463714A1 Multi-functional oxygen and carbon dioxide corrosion control treatment for steam systems
01/02/1992EP0463423A1 Surface treating agent for aluminum line pattern substrate
12/1991
12/31/1991US5077096 Liquid polymer curable to solid elastomer with ammonium salt o f phosphoric acid or ortho- or hypophosphorous acid; applying to metals exposed to brines
12/31/1991US5076941 Monofluorophosphate solubility inhibitor for lead in potable water sources
12/31/1991US5076842 Architectural lead treatment
12/31/1991CA1293613C Use of zn (ii) to inhibit sulfide corrosion of cupronickel alloys
12/31/1991CA1293612C Preservative oil for metal surfaces and method
12/27/1991EP0462809A1 Method of inhibiting corrosion of copper and copper alloy with alkylbenzotriazole compositions
12/27/1991EP0462666A1 Phenyl mercaptotetrazole/tolyltriazole and/or benzotriazole corrosion inhibiting compositions
12/24/1991CA2045205A1 Salts of alkenylsuccinic monoamides and their use as anticorrosive agents and emulsifiers for metal-working oils
12/24/1991CA1293580C Alcohol-based aluminum corrosion inhibitor compositions comprising polysilyl compounds
12/21/1991CA2044885A1 Alkylbenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitors
12/21/1991CA2044833A1 Phenyl mercaptotetrazole/tolyltriazole corrosion inhibiting compositions
12/18/1991EP0461113A1 Tannin mannich adducts for improving corrosion resistance of metals
12/17/1991US5073339 Method of inhibiting corrosion and scale formation in aqueous systems
12/17/1991US5073300 Corrosion inhibitors
12/17/1991US5073299 Antifouling agent for treating water supply system
12/16/1991CA2042104A1 All-volatile multi-functional oxygen and carbon dioxide corrosion control treatment for steam systems
12/11/1991EP0460797A1 Methods of controlling scale formation in aqueous systems
12/10/1991US5071580 Pumpable corrosion inhibitor slurries suitable for charging cooling system filters
12/10/1991US5071579 Protective surface treatment; sodium fluorophosphate with water
12/10/1991US5071574 Deoxygenating with hydrogen sulfide in presence of metal salt and oxyalkylated fatty amine
12/10/1991CA1292864C Process for the avoidance of corrosion of metallic materials
12/04/1991EP0458981A1 Deoxidizer for boiler and method of removing dissolved oxygen from boiler water
12/04/1991CN1015011B Dewatering type water film replaceable antirust oil
11/1991
11/27/1991EP0457885A1 Method of protecting embedded reinforcing members.
11/27/1991CN1056440A Modified decarbonizing or desulfurizing process by physical absorption
11/26/1991US5068059 Corrosion inhibitor
11/19/1991US5066461 Lubricants, oil additives
11/19/1991CA1292117C Antimony tartrate corrosion inhibitive compostion for coolant systems
11/13/1991CN1014679B Method to substitute silver in the alkali evaporator
11/12/1991US5064612 Acrylic acid-allyl hydroxypropylsulfonate ether copolymer mixture
11/12/1991US5064469 Organic Amine, 1,2-Dihydroxybenzene Compound, Ethylene Glycol
11/06/1991EP0455415A1 Anticorrosive composition
11/05/1991US5062992 Emulsion minimizing corrosion inhibitor for naphtha/water systems
11/05/1991US5062962 Polyepoxcysuccinic acid
11/05/1991CA1291636C Phytate corrosion inhibitor system
11/05/1991CA1291635C Composition of corrosion inhibitors for cooling water systems using chemically modified acrylamide or methacrylamide polymers
10/1991
10/31/1991CA2041527A1 Composition
10/31/1991CA2015779A1 Primer composition
10/29/1991US5061797 Controlling microorganisms and inhibition of corrosion of metal surfaces in aqueous systems
10/29/1991US5061315 Applying Acidic trivalent metal compound containing fine silica dispersion as inorganic corrosion resistance, adhesion promoting coating
10/29/1991US5061314 Products for treating surfaces
10/22/1991US5059391 Use of polyaralkylamines as corrosion inhibitors
10/22/1991CA1291145C Preparation of a substituted succinic anhydride
10/17/1991WO1991015122A1 Anticorrosive microbicide
10/16/1991EP0451434A1 Method for controlling deposits and corrosion in water treatment applications
10/15/1991US5057584 Chalcogen-containing compounds
10/15/1991US5057343 For coating surfaces of aluminum weapons and launching tubes of submarines
10/15/1991CA1290561C Inhibiting corrosion in reinforced concrete
10/08/1991US5055231 Reaction products of boric acid and alkanoletheramines and their use as corrosion inhibitors
10/08/1991US5055230 Corrosion inhibiting compositions
10/08/1991CA1290488C Method of preventing corrosion of apparatus for melt- processing polyarylene thioethers
10/01/1991WO1991015612A1 Corrosion inhibitor for steam and condenser system and corrosion inhibition method therefor
10/01/1991US5053161 Composition for inhibiting scale in water systems
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