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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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| Number | Title | Issue Date |
| 7906444 | Armor material made of glass ceramics The invention relates to a glass ceramic armour material consisting (in % by weight in relation to oxide base) of 5-33 SiO2, 20-50 Al2O3, 5-40 MgO, 0-15 B2O3, 0.1-30 Y2O3, Ln2O | 03/15/2011 |
| 7465687 | Tough cordierite glass-ceramics An internally nucleated, toughened cordierite glass-ceramic is disclosed. The cordierite glass-ceramic has good oxidation resistance and fracture toughness and coefficient of thermal expansion rivaling that of silicon nitride. The glass-ceramic may be cast as a liqu... | 12/16/2008 |
| 7359764 | On-line/off-line scoring bridge A scoring bridge includes a plurality of moveable mounted carriages. The carriages each have a rotor, and the bridge has a linear stator to move the carriages. The position of a carriage designated as a reference carriage is recorded as it moves past a motion detect... | 04/15/2008 |
| 7335323 | Method for producing cordierite ceramic body using reclaimed ceramic starting material A reclaimed ceramic starting material is produced from scrap generated in a method for producing a cordierite ceramic body. The scrap is an unnecessary part generated in a cutting step of cutting a dried ceramic molded article into a predetermined length or a defect... | 02/26/2008 |
| 7319114 | Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter Hollow polymer particles are provided to have an average particle diameter of 15 μm or more and 500 μm or less and a 10%-compressive strength of 1.5 MPa or more, and the hollow polymer particle includes a hollow portion in the interior. In addition, a porous ceram... | 01/15/2008 |
| 7306845 | Optical materials and optical devices Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo... | 12/11/2007 |
| 7300896 | Glass ceramic and method of producing the same A glass ceramic comprises (in wt.-% on oxide basis): SiO2 35 to 60, B2O3>4 to 10, P2O5 0 to 10, Al2O3 16.5 to 40, TiO2 1 to 10, Ta2O5 0 to 8, Y2O... | 11/27/2007 |
| 7300898 | Low CTE cordierite body Disclosed is a sintered ceramic article that exhibits a primary crystalline phase of cordierite having an analytical oxide composition, expressed in weight percent on an oxide basis, of 49-53% SiO2, 33-38% Al2O3, 12-16% MgO and which... | 11/27/2007 |
| 7291571 | Crystallizable glass and the use thereof for producing extremely solid and break resistant glass-ceramics having an easily polished surface The invention relates to crystallizable aluminosilicate magnesium-containing glass which is used for producing extremely solid and break-resistant glass-ceramics having an easily polished surface. The inventive crystallizable glass contains 5-33 mass % of SiO2 | 11/06/2007 |
| 7285338 | Anisotropic thin-film rare-earth permanent magnet An anisotropic thin-film rare-earth permanent magnet endowed with high magnetic characteristics by rendering a vapor-phase-grown thin film anisotropic in the layering direction. The atomic laminate units are formed by laminating a monoatomic layer of a rare earth el... | 10/23/2007 |
| 7250384 | Method for producing cordierite-based porous material A method of manufacturing a cordierite porous body of the present invention is a method of manufacturing the cordierite porous body using a cordierite forming material including an Al source, an Si source, and an Mg source and forming cordierite by firing, character... | 07/31/2007 |
| 7229254 | Turbine blade with a reduced mass The invention relates to a turbine comprising at least four stages and to the use of a rotor blade with a reduced mass. In prior art, rotor blades in the fourth stage of a gas turbine, which exceed 50 cm in length, cause problems relating to mechanical strength, as ... | 06/12/2007 |
| 7226654 | Laminated wiring board and its mounting structure A laminated wiring board comprising: a first wiring board forming wiring layers on the upper surface and on the lower surface of a first ceramic insulated substrate; and a second wiring board forming wiring layers ... | 06/05/2007 |
| 7223716 | Ceramic support capable of supporting a catalyst, a catalyst-ceramic body and processes for producing same A ceramic support capable of supporting a catalyst comprising a ceramic body having fine pores with a diameter or width up to 1000 times the ion diameter of a catalyst component to be supported on the surface of the ceramic body, the number of the fine pores being n... | 05/29/2007 |
| 7214429 | Sealing material A sealing material for sealing an envelope of an electron tube. The sealing material comprises 0.01Ëœ2.0 wt % of fine particle selected from the group consisting of SiO2, Al2O3 and ZrO2 having a particle diameter of 0.001Ë... | 05/08/2007 |
| 7211540 | Ceramic support This invention is directed to providing a high-performance ceramic support being capable of realizing early activation of a catalyst due to direct loading while maintaining the excellent properties of the substrate ceramic, and being less susceptible to heat deterio... | 05/01/2007 |
| 7205504 | Interlayer composite for a laminated transparency An interlayer composite includes a plastic sheet having a predetermined outer shape and a major surface; a pair of bus bars, and an adhesive layer securing the bus bars directly on the major surface of the plastic sheet in a fixed relationship to one another. ... | 04/17/2007 |
| 7183236 | Ceramic catalyst body An object of the present invention is to realize low pressure loss and high purification performance in a constitution in which a primary catalyst component and co-catalyst component are loaded onto a ceramic support that allows catalyst components to be loaded dire... | 02/27/2007 |
| 7159756 | Method of soldering and solder compositions The invention relates to using the heat generated during thermal treatment of one or more glass sheets to melt solder. In one nonlimiting embodiment, a lead providing external access to an electrical conductive arrangement, e.g. a conductive member between and conne... | 01/09/2007 |
| 7141204 | Method of forming ceramic articles An improvement in a method of forming ceramic articles comprising an oil component or extrusion aid, the improvement including removing a substantial portion of the oil component, prior to firing, by applying a solvent to the green ceramic article to dissolve the oi... | 11/28/2006 |
| 7141087 | Honeycomb ceramics filter There is disclosed a honeycomb ceramics filter, wherein an average pore diameter X (μm) and partition wall thickness W (μm) of the filter satisfy a relation of 10≧W/X. According to this filter, while a predetermined trapping efficiency is maintained, a pressure ... | 11/28/2006 |
| 7141089 | Magnesium aluminum silicate structures for DPF applications A ceramic filter for trapping and combusting diesel exhaust particulates composed of an end-plugged cordierite honeycomb structure exhibiting a pore size distribution as determined by mercury porosimetry in which the quantity d50/(d50+d90 | 11/28/2006 |
| 7132625 | Heatable article having a configured heating member A heatable article, e.g. a heatable windshield, having a generally trapezoidal shape has a conductive member, e.g. a conductive coating, between and in contact with a pair of spaced bus bars having different lengths. Selected portions of the coating between the bus ... | 11/07/2006 |
| 7105220 | Coated article having a sealed layered edge to impede corrosion of a coating at the edge and method of making same An article having a sealed layered edge, e.g. an automotive laminate and a multiple glazed unit includes a pair of glass sheet in a fixed relationship with one another. A sputtered coating is deposited on a major surface of one of the sheets and includes at least on... | 09/12/2006 |
| 7087293 | Thick film dielectric compositions for use on aluminum nitride substrates The present invention relates to a Cd-free and Pb-free glass composition comprising, based in mol %, 1–10% MO where M is selected from Ba, Sr, Ca and mixtures thereof, 5–30% MgO, 0.3–5% CuO, 0–2.5% P2O5, 0–2.5% ZrO2, 24–4... | 08/08/2006 |
| 7067085 | Black ceramic sinter with low thermal expansion and high specific rigidity and process for producing the same This invention provides a black low thermal expansion high specific rigidity ceramic sintered body having a black tone, manifesting very small thermal expansion at room temperature and abounding in rigidity and specific rigidity, and a method for the production ther... | 06/27/2006 |
| 7059153 | Method for producing glass powders A powder of solid and spherical glass particles is easily manufactured by subjecting a mixed solution of a raw material oxide powder comprising a glass network-forming element, and an aqueous solution of a water-soluble compound comprising a glass-forming element ot... | 06/13/2006 |
| RE39120 | Ceramic sintered product and process for producing the same Low thermal expansion ceramics contains a cordierite crystal phase, wherein a phase of a crystalline compound containing at least one element selected from the group consisting of an alkaline earth element other than Mg, a rare earth element, Ga and In, is precipita... | 06/06/2006 |
| 6984261 | Use of ceramics in dental and orthodontic applications The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications. ... | 01/10/2006 |
| 6979490 | Fiber-reinforced ceramic composite material comprising a matrix with a nanolayered microstructure A fiber-reinforced ceramic matrix composite material exhibiting increased matrix cracking strength and fracture toughness is produced by sequentially depositing a plurality of 5-500 nanometer-thick layers of a primary ceramic matrix material phase periodically separ... | 12/27/2005 |
| RE38888 | Cordierite body A ceramic comprising predominately a cordierite-type phase approximating the stoichiometry Mg2Al4Si5O18 and having a coefficient of thermal expansion (25-800° C.) of greater than 4×10−7/° C. and less than 1... | 11/22/2005 |
| 6953538 | Electroconductive low thermal expansion ceramic sintered body An electroconductive low thermal expansion ceramic sintered body is disclosed which containing a β-eucryptite phase in a quantity of not less than 75 vol. % and not more than 99 vol. % and having an absolute value of thermal expansion coefficient of not more than 1... | 10/11/2005 |
| 6953756 | Glass ceramic sintered body and wiring board using the sintered body A glass ceramic sintered body containing gahnite and cordierite as crystal phases, having a thermal expansion coefficient at 40 to 400° C. of not larger than 5×10−6/° C., a dielectric constant of not larger than 7 and a Young's modulus of not larger ... | 10/11/2005 |
| 6953911 | Edge sealing of a laminated transparency A composite laminate useable in the manufacture of articles having a member responsive to electrical stimuli, e.g. changes transmission, and/or is heated, as current passes through the member includes a pair of spaced bus bars adhesively secured to a major surface o... | 10/11/2005 |
| 6949251 | Porous β-tricalcium phosphate granules for regeneration of bone tissue A porous β-tricalcium phosphate material for bone implantation is provided. The multiple pores in the porous TCP body are separate discrete voids and are not interconnected. The pore size diameter is in the range of 20-500 μm, preferably 50-125 μm. The porous β-... | 09/27/2005 |
| 6914023 | Substrate for flat panel display and thin film electroluminecence element The object of the present invention is to provide a flat-panel-display substrate which is high in heat resistance, of which the coefficient of thermal expansion is approximated to that of a thick film dielectric layer, which is low at high temperatures in reactivity... | 07/05/2005 |
| 6911158 | Sound absorbing material and its manufacturing method The porous sound-absorbing material manufactured is light and has excellent heat resistance to be applicable to the exhaust nozzle etc. of a jet engine, can effectively absorb noise as that from a jet engine, over a wide range of frequencies, is free from variations... | 06/28/2005 |
| 6849334 | Optical materials and optical devices Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo... | 02/01/2005 |
| 6774072 | Crystallized glass for information recording medium, crystallized glass substrate, and information recording medium using the crystallized glass substrate Enclosed are crystallized glasses suitable for a substrate for an information recording medium such as a magnetic disc, optical disc, or optomagnetic disc, a substrate for information recording medium using such a crystallized glass substrate, and an information rec... | 08/10/2004 |
| 6753070 | Insulating ceramic compact, ceramic multilayer substrate, and ceramic electronic device An insulating ceramic compact is provided which can be obtained by low-temperature firing, has a low relative dielectric constant and superior high frequency characteristics, and can be co-sintered with a material having a high coefficient of thermal expansion. The ... | 06/22/2004 |
