Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7368047 | Method of preparing copper plating layer having high adhesion to magnesium alloy using electroplating Disclosed is a method of preparing a copper electroplating layer having high adhesion to a magnesium alloy, which is advantageous because the usability of the magnesium alloy, having the highest specific strength among actually usable metals, can be increased throug... | 05/06/2008 |
| 7318967 | Composite structure body and method and apparatus for manufacturing thereof A composite structure body obtained through a plurality of processes including forming composite fine particles by way of a process in which a surface of the fine particles of a brittle material is coated with another brittle material; then by bombarding the composi... | 01/15/2008 |
| 7255934 | Composite structure body and method and apparatus for manufacturing thereof A structure body having the constitution in which the crystals of more than one types of brittle materials such as ceramics, metalloids, and the like are dispersed, a portion composed of the brittle materials is polycrystalline, the crystals constituting the polycry... | 08/14/2007 |
| 7166328 | Primer coating of steel A process for primer coating of steel which is intended to be fabricated and overcoated, in which process the steel is primer coated with a primer coating comprising a silica or silicate binder, wherein the binder comprises an aqueous silica sol or alkali metal sili... | 01/23/2007 |
| 7138184 | Coating composition A Chromium VI-free coating composition comprises a binder and a corrosion inhibitor in a solvent, wherein the binder comprises a silicate and an organic titanate, and the corrosion inhibitor comprises aluminium particles and zinc particles preferably flakes. The com... | 11/21/2006 |
| 7078076 | Particulate metal alloy coating for providing corrosion protection Coatings containing particulate metal alloy are disclosed. The coatings provide corrosion protection to a substrate, such as a metal substrate. The coatings contain zinc-metal-containing alloy in flake form, most particularly an alloy flake of zinc and aluminum. The... | 07/18/2006 |
| 7066994 | Method and composition for increasing slip resistance of a substrate surface A chemical composition is applied to the surface of a substrate to significantly increase its slip resistance properties. The composition comprises a di-methyl silicone compound, an oxidizing agent, an evaporation modifier, a sequestering agent, a hydrotopic agent, ... | 06/27/2006 |
| 6974847 | Melt compounded fusion bonded marine anti-fouling coating Anti-fouling coating composition containing high amounts of zinc, and novel methods of applying melt compounded anti-fouling coating compositions to components by heat fusion techniques. The components that can be treated include fresh water or salt water exposed co... | 12/13/2005 |
| 6837980 | Bond enhancement antitarnish coatings Aqueous electroplating solutions and methods are provided for the codeposition of zinc and chromium. The solutions include effective amounts of zinc, chromium, and hydroxyl ions. The solutions further include an effective amount of one or more ions of alkali metals,... | 01/04/2005 |
| 6818313 | Corrosion-inhibiting coating A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion protection. A process for applying the coating is also provided. The pr... | 11/16/2004 |
| 6811819 | Aqueous alkaline zincate solutions and methods The present invention relates to methods for depositing zincate coatings on aluminum and aluminum alloys comprising applying an immersion zincate coating on an aluminum or aluminum alloy substrates, optionally followed by plating the zincate coated aluminum or alumi... | 11/02/2004 |
| 6790265 | Aqueous alkaline zincate solutions and methods The present invention provides an improved aqueous alkaline zincate solution comprising hydroxide ions, zinc ions, nickel ions and/or cobalt iron ions, copper ions, and at least one inhibitor containing one or more nitrogen atoms, sulfur atoms, or both nitrogen and ... | 09/14/2004 |
| 6649585 | Processes for preparing superbasic zinc soaps and methods of using said soaps Processes for preparing superbasic zinc soaps are disclosed. The processes described comprise: (a) providing a basic zinc carbonate; (b) providing at least one organic carboxylic acid; and (c) reacting the basic zinc carbonate and the at least one organic... | 11/18/2003 |
| 6458425 | Zinc alloys yielding anticorrosive coatings on ferrous materials The present invention relates to a Zinc alloy yielding anti-corrosive coatings on ferrous materials; characterized as consisting of zinc plus its usual impurities and possibly aluminum and/or lead as well as alloying metals consisting of between x and y% ... | 10/01/2002 |
| 6153314 | Hot-dip galvanizing bath and process A zinc bath, which is particularly useful for batch-wise galvanizing of steel articles, of which the silicon content is not certain, contains 1-5 wt % of tin, 0.01-0.1 wt % of nickel, lead at a concentration up to saturation, and at least one of aluminum,... | 11/28/2000 |
| 6080334 | Corrosion resistant buffer system for metal products A system is disclosed for inhibiting the corrosion of ferrous and other metals by passivating the metals. The system includes novel buffered compositions which may be applied to metal products, and novel combinations thereof with metals, for preventing or... | 06/27/2000 |
| 6080447 | Low etch alkaline zincate composition and process for zincating aluminum A method is provided for zincating aluminum substrates for metal plating thereon wherein the plated aluminum product has smoothness, dimensional integrity and increased production yield of the plated products. The substrates also have enhanced paramagneti... | 06/27/2000 |
| 5985308 | Process for producing anti-microbial effect with complex silver ions Production of an anti-microbial effect in an alcohol or water based electrolyte is achieved by preparing silver materials that form complex ions other than Ag+, Ag2+, or Ag3+, and which produce an anti-microbial effect tha... | 11/16/1999 |
| 5871668 | Corrosion resistant buffer system for metal products A system is disclosed for inhibiting the corrosion of ferrous and other metals by passivating the metals. The system includes novel buffered compositions which may be applied to metal products for preventing or retarding corrosion and methods for applying... | 02/16/1999 |
| 5753251 | Anti-microbial coating for medical device Anti-microbial coatings and method of forming same on medical devices are provided. The coatings are formed by depositing a biocompatible metal by vapor deposition techniques to produce atomic disorder in the coating such that a sustained release of metal... | 05/19/1998 |
| 5246488 | Temporary rust resisting coating composition The present invention provides a temporary rust resisting coating composition which has excellent rust resistance after heating even at more than 600° C. and which has good weldability. The temporary rust resisting coating composition of the present inve... | 09/21/1993 |
| 5200057 | Additive composition, acid zinc and zinc-alloy plating baths and methods for electrodedepositing zinc and zinc alloys An additive composition is described with comprises a mixture of (a) poly(N-vinyl-2-pyrrolidone), and p0 (b) at least one sulfur-containing compound selected from compounds of the formulae RS(R'O)n H (I) or S--[... | 04/06/1993 |
| 5194140 | Electroplating composition and process The invention presented relates to (a) novel complexes of cobalt salts and copolymers of maleic anhydride, ethylenediamine and epichlorohydrin; (b) electroplating compositions for deposit of zinc-cobalt alloys wherein the cobalt is employed in the form of... | 03/16/1993 |
| 5156672 | Mechanical plating paste This invention relates to a paste composition, comprising: (A) at least 12% by weight of a paste forming compound and (B) at least one oxidizing agent which is a metal oxide or salt; (C) at least one reducing metal wherein (B) and (C) are capable of forming a metal... | 10/20/1992 |
| 5008146 | Zinc-carbon antifouling coating An antifouling coating comprising no toxicant. The formulation contains in combination zinc and carbon which in the presence of the aqueous environment render the coating resistant to fouling.... | 04/16/1991 |
| 4983321 | Corrosion prevention constituent for surface coatings A corrosion-preventing soyabean-glycerol alkyd resin is preprared by combng soyabean oil and glycerol in a reaction kettle, and after heating to about 400° F., fused litharge is loaded. The temperature is then increased to about 440° F. and held until ... | 01/08/1991 |
| 4971709 | Method and composition for inhibiting corrosion of ferrous metals by aqueous brines A method of inhibiting corrosion of ferrous metals by zinc-containing brines by mixing with the brine a particulate metal additive, the metal of the additive having a standard oxidation-reduction potential above 0.5 and below 2.5 volts, the metal additive... | 11/20/1990 |
| 4888056 | Shop primer compositions Shop primer compositions having improved properties comprise (a) fillers and pigments, at least 25 wt. % of which have conductive properties; (b) zinc powder in a weight ratio to fillers and pigments between 1:16 and 1:1; wherein the zinc, fillers and pig... | 12/19/1989 |
| 4810293 | Anti-corrosive paint composition An anti-corrosive paint composition, which contains a hydrolyzed condensate of tetraalkoxy silicate having an alkyl group where carbon number is 1 to 5 as vehicle, thereby adding zinc dust and titanium oxide which extensively improves the heat resistance ... | 03/07/1989 |
| 4675050 | Sulfate and sulfonate beta-naphthol polyglycol ethers New surface active compounds are disclosed having the Formula (I) ##STR1## in which X is an unsubstituted C1 to C6 alkylene group, a C1 to C6 alkylene group substituted by one or more hydroxy, oxo, methyl o... | 06/23/1987 |
| 4647308 | Soldering compositions, fluxes and methods of use A zinc-based composition comprising, by weight: from about 0.1 to 4 percent copper; from about 0.1 to about 1 percent nickel; from about 0.01 to less than 0.5 percent aluminum; 0 to about 0.5 percent chromium; 0 to about 0.5 percent titanium; and the remainder being zin... | 03/03/1987 |
| 4643769 | Corrosion inhibiting coating composition A composition suitable for the preparation of a surface protective coating composition e.g. a paint by admixture with an organic film-forming binder comprises (i) elemental zinc in particulate form and (ii) inorganic oxide particles such as silica having ... | 02/17/1987 |
| 4620873 | Zinc-based paints employing a mixture of ether alcohols as liquid organic vehicle A solvent mix can be used to improve the protection offered by zinc-based paints. This method of improving zinc-based paints' protection affords an additional factor for the enhancement of coating protection.... | 11/04/1986 |
| 4594106 | Spraying materials containing ceramic needle fiber and composite materials spray-coated with such spraying materials Flame spraying compositions exhibiting improved adherence to a variety of substrates are disclosed, as well as articles coated with such compositions. The spraying compositions comprise a granulated mixture of two components: (1) a powdery material select... | 06/10/1986 |
| 4571268 | Single package zinc-rich coatings The invention relates to a single package zinc-filled coating particularly useful as applied to metal substrates. The zinc-rich coatings comprise mixtures of partially hydrolyzed ethyl silicate with large amounts of metal particles such as zinc dust in an... | 02/18/1986 |
| 4548646 | Thixotropic coating compositions and methods A coating composition which is thixotropic, that is, which is a gel when not subject to movement and a liquid when subject to movement. It comprises a non-ionic surfactant, an acid-stable, non-colloidal amorphous silica and a phosphate type acid binder aq... | 10/22/1985 |
| 4544581 | Black corrosion resistant coating and method for a metal substrate A black corrosion resistant coating composition which is applied to a metal substrate as a wet film and heated to dry and initiate curing to provide a protective coating tenaciously bonded to the substrate. The composition has a corrosion inhibiting powde... | 10/01/1985 |
| 4479824 | Silicate binders and coatings Inorganic binders for coatings such as paints are provided which are based on high single or mixed silicon dioxide to alkali metal oxide mol ratio inorganic alkali metal silicates. The binder composition comprises a mixed silicon dioxide silica gel sol ha... | 10/30/1984 |
| 4474606 | Composition for corrosion protection using metal silicides or alloys of silicon and metals A coating composition is provided which is suitable for the protection of corrodible metallic surfaces. The coating composition includes a binder and a filler, with the filler present in an amount sufficient to impart corrosion-resistant characteristics t... | 10/02/1984 |
| 4417007 | Zinc rich paint formulations employing manganomanganic oxide fume pigment Paint formulations employing zinc and manganomanganic oxide fume or a material containing predominantly manganomanganic oxide fume as a corrosion inhibitive system.... | 11/22/1983 |
