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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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| Application No. | Application Title | Issue Date |
| 20120272789 | Method and apparatus for producing nanoparticles By means of the invention, nanoparticles, which can be pure metal, alloys of two or more metals, a mixture of agglomerates, or particles possessing a shell structure, are manufactured in a gas phase. Due to the low temperature of the gas exiting from the apparatus, meta... | 11/01/2012 |
| 20100282023 | SYSTEM AND METHOD OF PRODUCING AND SEPARATING METALS AND ALLOYS A system and method of producing an elemental material or an alloy from a halide of the elemental material or halide mixtures. The vapor halide of an elemental material or halide mixtures are introduced into a liquid phase of a reducing metal of an alkali metal or alkal... | 11/11/2010 |
| 20100151267 | METAL-CONTAINING NANOPARTICLES, THEIR SYNTHESIS AND USE A powder batch is described comprising single crystal metal-containing particles having a crystal size of less than 50 nm as measured by X-ray diffraction and having a weight average particle size of from about 10 nanometers to less than 100 nanometers as measured by tr... | 06/17/2010 |
| 20070266826 | Methods for producing consolidated materials Aspects of the invention include methods for producing purified semiconductor or metallic materials. In one embodiment, the methods include admixing a particulate composition of a material, for instance, a metal, with a metal halide to produce a metal-metal halide admix... | 11/22/2007 |
| 20070180951 | Separation system, method and apparatus A system, method and apparatus for treating a slurry of liquid metal and solid particles is disclosed using various combinations of vacuum distillation and transfer with hot inert gas. Various mechanisms are disclosed for sealing inerted or vacuum chambers to prevent ox... | 08/09/2007 |
| 20070084309 | Method for manufacturing rhenium-containing alloy powder, rhenium-containing alloy powder, and conductor paste Metal particles that can be alloyed with rhenium are dispersed as a main component in a gas phase, a rhenium oxide vapor is made to be present around these particles, the rhenium oxide is reduced, and the rhenium precipitated on the surface of the main component metal p... | 04/19/2007 |
| 20070062333 | Method and apparatus for producing metallic ultrafine particles An object of the present invention is to efficiently produce ultrafine particles having such a small diameter as 50 nm or less, a narrow range of size distribution, and a non-oxidation surface. According to the present invention, the metallic ultrafine particles are pro... | 03/22/2007 |
| 20060230878 | System and method of producing metals and alloys A system and method of producing an elemental material or an alloy from a halide of the elemental material or halide mixtures. The vapor halide of an elemental material or halide mixtures are introduced into a liquid phase of a reducing metal of an alkali metal or alkal... | 10/19/2006 |
| 20060150769 | Preparation of alloys by the armstrong method A method and apparatus for making alloys or ceramics by the subsurface injection of an equilibrium vapor of a boiling liquid of the ceramic or alloys constituents is disclosed. Various powders and products are disclosed. ... | 07/13/2006 |
| 20060130611 | Process for de-oiling steelmaking sludges and wastewater streams The present invention is directed to a process for treating an oily mixture consisting of hydrocarbons, solid particles, and water. The steps of the process include placing the oily mixture into a reactor chamber, purging the reactor chamber with an inert gas, and creat... | 06/22/2006 |
| 20060130610 | Purification process A method for purifying metal M1 particles manufactured by an electrochemical reduction process, the method comprising the steps of introducing the metal M1 particles into a heat source (13) at a temperature substantially equal to or higher t... | 06/22/2006 |
| 20060107790 | System and method of producing metals and alloys A system for producing an elemental material or an alloy thereof from a halide of the elemental material or halide mixtures comprising a reactor for introducing the vapor halide of an elemental material or halide mixtures thereof into a liquid phase of a reducing metal ... | 05/25/2006 |
| 20050217428 | Method and device for producing metal powder Raw metal is intermittently and continuously charged into a chlorination furnace, the raw metal and chlorine gas are reacted in the chlorination furnace to continuously generate metal chloride vapor, and the metal chloride vapor and hydrogen gas are reacted in a reducti... | 10/06/2005 |
| 20050217426 | Producing nickel-base, cobalt-base, iron-base, iron-nickel-base, or iron-nickel-cobalt-base alloy articles by reduction of nonmetallic precursor compounds and melting A metallic article is produced by furnishing one or more nonmetallic precursor compound comprising the metallic base nickel, cobalt, iron, iron-nickel, or iron-nickel-cobalt, and at least one alloying element. The nonmetallic precursor compound(s) are chemically reduced... | 10/06/2005 |
| 20050109159 | Method of manufacturing Fe nanopowders by chemical vapor condensation Disclosed is a method of synthesizing Fe powders having sizes of tens of nm by vaporizing an iron atom-containing liquid material with a low melting point at high temperatures, and then condensing iron atoms in decomposed Fe and CO gas by chemical vapor condensation. Ac... | 05/26/2005 |
