Matches 151 - 200 out of 259 < 1 2 3 4 5 6 >


Match Document Document Title
4708779 Chemical post-treatment of selectively galvanized steel strip and sheet  
This invention is directed to a method of treating a selectively galvanized steel strip, such as one-side electrogalvanized sheet, to improve the appearance and paintability of the non-galvanized...
4695356 Electrochemical procedure for the direct forming of generally thin elements with various contours and surfaces of usual and technical ceramics or refractory material  
In a process and apparatus for producing ceramic tiles, such as wall tiles and floor tiles, including thin tiles of a size up to a square meter, metal electrode plates having thereon...
4670360 Fuel cell  
In a fuel cell which has an activated carbon-containing anode and an activated carbon-containing cathode and is preferably used for the oxidative treatment of waste waters containing oxygen or...
4645573 Continuous process for the sequential coating of polyester filaments with copper and silver  
A method of continuously sequentially coating polyester with copper and silver which utilizes as a key step in the process the use of a wetter solution containing alcohol, a detergent and an...
4645574 Continuous process for the sequential coating of polyamide filaments with copper and silver  
A method of continuously sequentially coating polyamide filaments with copper and silver which utilizes as a key step in the process the use of a wetter solution containing alcohol, a detergent...
4643918 Continuous process for the metal coating of fiberglass  
A method of preparation of fiberglass filaments for subsequent coating with metal wherein the fiberglass filaments first are immersed in a wetter solution containing alcohol, a detergent, and an...
4632734 Process for electrochemically or chemically coating niobium  
Niobium is electrochemically or chemically coated by subjecting work pieces made of niobium to a blast treatment with aluminium oxide, a treatment with an alkaline cyanide bath, a preliminary...
4610946 Aluminum-zirconium alloy support for lithographic printing plate  
A support for lithographic printing plates is disclosed which comprises a plate of an aluminum alloy containing 0.02 to 0.20% by weight zirconium. The aluminum alloy causes no recrystallization...
4610763 Electrodeposition of chromium and chromium bearing alloys  
A coating on a substrate e.g., mild steel providing high corrosion resistance consists of a first coating of nickel on which is electrodeposited an alloy consisting of 51 to 75% chromium, 5 to 15%...
4589972 Optically black coating with improved infrared absorption and process of formation  
An optically black coating with improved infrared absorption is disclosed along with a process for formation therefor. An anodizable substrate is first treated in a surface modification step prior...
4579635 Method and apparatus for the fixation of radioactive krypton  
A method for disposing of radioactive krypton by embedding it with radioactive palladium or molybdenum on the inner surface of a steel cylindrical container. The embedding is effected by...
4574041 Method for obtaining a selective surface for collectors of solar and other radiation  
The present invention relates to selective surfaces for collectors of solar and other thermally useful radiation. According to the invention, a zinc-coated metal plate having a thickness of...
4547269 Method of electrodepositing zinc on steel prior to phosphating  
A process of electrodepositing zinc on steel wherein zinc-containing aqueous sulfuric acid electrolytes are used which contain one or more oxyacids of sulfur in which the sulfur has an oxidation...
4532015 Poly(arylene sulfide) printed circuit boards  
A printed circuit board is made of poly(arylene sulfide) board and a conductive metal deposited on the board by electroless plating. Adhesion between the poly(arylene sulfide) and the conductive...
4508480 Manufacture of tinplate and tinplate containers  
Tinplate container with externally welded seam is formed of electrolytic unreflowed tinplate with external tin coating of low coating mass (less than 2 g/m2); the solderability of such tinplate...
4507182 Process for preparing metal by electrolysis, especially lead, and by-product obtained by their application  
The present invention is a process for preparing a lead or copper metal by electrolysis in a cell having a cathode and an anode which are separated by a diaphragm, which comprises the steps of...
4483752 Valve metal electrodeposition onto graphite  
A low current density, fused salt electrolyte method for depositing passivating metals upon graphite. The passivating metals are applied at 50-100 milliamperes per cm2 for 2-10 minutes followed by...
4482434 Process for electrochemically roughening aluminum for printing plate supports  
Disclosed is a process for electrochemically roughening aluminum or alloys thereof, in an aqueous electrolyte, under the action of an alternating current having a frequency in the range from 0.3...
4473446 Chromic acid-fluoride anodizing surface treatment for titanium  
A method for surface treating titanium articles prior to adhesive bonding by anodization in a chromic-hydrofluoric acid bath at a low anodizing potential of greater than one volt but less than...
4416738 Chromium plating  
A method of electroplating chromium onto a metal article includes an electrolytic surface treatment step and a plating step. In the electrolytic surface treatment step the article is immersed in...
4414064 Method for preparing low voltage hydrogen cathodes  
A cathode for use in electrolytic processes and a process for preparing such cathodes is described. The cathode has a cathodically active surface comprising a codeposit of a first metal selected...
4411762 Titanium clad copper electrode and method for making  
A titanium clad electrode and a method for making, the electrode having a conductive, substantially pure metal substrate, a substantially pure valve metal coating substrate, a substantially pure...
RE31349 Lubricated metallic container stocks and method of preparing the same and applying organic coating thereto  
Metallic container stocks are lubricated with citric acid esters. The improved lubricated container stocks of the invention are characterized by excellent wettability and adhesion of organic...
4396469 Process and apparatus for continuously coating a solid electrolyte with a catalytically active metal  
A process and apparatus for continuously coating a solid electrolyte with a catalytically active metal, whereby large-area sheets of the solid electrolyte are continuously coated in a uniform...
4388159 Surface preparation of aluminum articles  
The surfaces of aluminum and aluminum alloy articles, when abraded with a low-density abrasive product in the presence of a lower alcohol such as isopropanol, are readily plated or coated to...
4383898 De-watering of metal surfaces  
After a metal finishing treatment by means of an aqueous solution that forms a surface of free metal, or comprising metal ions, exposed to the environment, the surface is rinsed, contacted with a...
4357395 Transfer lamination of vapor deposited foils, method and product  
A copper-clad laminate having special utility in printed circuit board production because of its extremely smooth and virtually pinhole-free surface is made by vapor depositing a copper film on a...
4319967 Fabrication of palladium anode for X-ray lithography  
A fabrication process for making palladium-plated target anodes for X-ray lithographic systems is characterized by a unique sequence of surface preparation, plating and annealing steps. Anodes...
4257853 Metal plating process  
A metal plating process and apparatus is disclosed and includes a plurality of pre-plating stations comprising tanks or reservoirs containing various cleaning and rinsing solutions. A pulse...
4236976 Preventing stains on multiple-electroplated articles  
A method is shown of reducing the incidence of stains on objects, such as electrical contact pins, having two or more electroplated regions. An exemplary embodiment is the case of two gold...
4196062 Method of brightening electrodeposited chromium  
A method for brightening an electroplated chromium deposit wherein the deposited chromium is contacted with a solution having a constituent capable of forming complexes with chromium hydroxide...
4193848 Process for the production of composite material  
A composite material for graphical applications, in particular for nameplate production and having foil of aluminium or one of its alloys stuck on to a support foil. This aluminium foil bears on...
4159230 Treatment of chromium electrodeposit  
A method whereby a surface of chromium metal electrodeposited on a zinc substrate from a trivalent chromium electrolyte is treated by contacting the surface with an aqueous solution at a pH of...
4152223 Plasma sprayed MCrAlY coating and coating method  
The oxidation-corrosion resistance of plasma sprayed MCrAlY overlay coatings is improved. The coating method involves plasma spraying the MCrAlY coating alloy onto a superalloy substrate, applying...
4127452 Method for the manufacture of a superconductive Nb3 Sn layer on a niobium surface for high frequency applications  
A manufacturing method for depositing an Nb3 Sn layer on a niobium surface for high frequency applications comprising developing a tin vapor atmosphere which also contains a highly volatile tin...
4111762 Optically black coating and process for forming it  
A product capable of extremely high absorption of electromagnetic radiation, including visible light, useful in optical applications and as a decorative panel comprises a body made of anodizable...
4101386 Methods of coating and surface finishing articles made of metals and their alloys  
Articles made of ferrous, non-ferrous and light metals and alloys thereof, e.g., aluminum, beryllium, magnesium, molybdenum, steel, tantalum, titanium, tungsten, vanadium and zinc and their...
4071416 Treatment of chromium-containing iron alloys  
A method of providing a hard film on stainless steel comprising treating the stainless steel in an aqueous solution of chromic and sulfuric acids to provide a film and then treating the metal...
4017368 Process for electroplating zirconium alloys  
A novel aqueous electrolytic activating solution and a method for electroplating zirconium and zirconium alloys are disclosed. The novel aqueous electrolytic activating solution is comprised of...
3963589 Process for the manufacture of a decorative aluminum product  
The invention concerns a process for the manufacture of a decorative aluminum alloy product such as a watch case. In the first step, several aluminum sheets are united tightly into a stock by...
3954572 Method of manufacturing an intermetallic superconductor  
A method for the manufacture of a superconductor having a superconductive intermetallic compound consisting of at least two elements in which at least one core containing at least one ductile...
3891518 Method of electroplating utilizing zinc dross anodes  
A method of electroplating steel with a thin layer of zinc utilizing anodes cast from zinc dross taken from the zinc bath of a commercial galvanizing line.
3885018 Regenerating anion exchange zone containing hexavalent chromium  
In recovering hexavalent chromium from chrome plated steel strip which is wetted with plating solution as a result of dragout from the plating process, an aqueous solution containing hexavalent...
3881999 Method of making abrasion resistant coating for aluminum base alloy  
The method for applying an abrasion resistant coating on the surface of an aluminum or aluminum alloy conductor. After cleaning the conductor surface to remove dirt, grease, and oxides and to make...
3864218 Method for Producing Wrought Aluminum Articles Having a Colored Anodic Oxidation Film  
This invention relates to a method for producing a wrought aluminum article having a colored anodic oxidation film wherein an aluminum article which always has a uniformly colored film and which...
3859177 METHOD OF MANUFACTURING MULTILAYER CIRCUITS  
A novel method of manufacturing "printed circuits" arrangements, with one or several layers of conductors, is provided. By successive operations of photogravure and metal deposition using...
3859178 MULTIPLE ANODIZATION SCHEME FOR PRODUCING GaAs LAYERS OF NONUNIFORM THICKNESS  
A multiple anodization technique is described for producing GaAs layers of nonuniform thickness; that is, GaAs layers having substantially rectangular steps or grooves of the type capable of...
3816270 METHOD OF PRODUCING THICK SCHOTTKY-BARRIER CONTACTS  
Method of producing precise relatively thick metal-semiconductor contacts (Schottky-Barrier contacts) comprising, applying a layer of a photosensitive resist material onto a semiconductor surface...
3755116 PROCESS FOR THE PRODUCTION OF ALUMINUM BASE OFFSET PRINTING PLATES  
This invention relates to a process of producing an aluminum base offset printing plate including a step wherein the surface of an aluminum base sheet is roughened or grained electrolytically by...
3730192 METHOD FOR INHIBITING STAINING OF ELECTRODEPOSITED COATINGS FORMED IN A CYANIDE CONTAINING BATH  
A method for inhibiting the staining of electrodeposited coatings which have been formed in a cyanide containing bath comprising the contacting of the coated objects with an aqueous solution of an...

Matches 151 - 200 out of 259 < 1 2 3 4 5 6 >