...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7319565 | Silicone rubber surfaces for biometric print TIR prisms Molded silicone rubber sheets with optical quality surfaces and methods for making the same. The silicone rubber sheets are made by molding liquid silicone rubber in a mold. In embodiments, the mold forms parallel optical quality flat surfaces. In one embodiment, a ... | 01/15/2008 |
| 7064388 | Semiconductor device and method for manufacturing the same An object of the present invention is to prevent the deterioration of a TFT (thin film transistor). The deterioration of the TFT by a BT test is prevented by forming a silicon oxide nitride film between the semiconductor layer of the TFT and a substrate, wherein the... | 06/20/2006 |
| 6830826 | Coated metal reinforcement element and coating materials A coated metal reinforcement element for polymeric or elastomeric materials comprises a coating of: a polymer or prepolymer compatible with and co-polymerizable, co-vulcanizable or crosslinkable with said polymeric or elastomeric material to be reinforced, and beari... | 12/14/2004 |
| 6494983 | Composition and method for promoting adhesion of thermoplastic elastomers to metal substrates The liner provided metallic shell having an outer-facing surface and an inner-facing surface, said inner-facing surface including a cured enamel coating thereon comprising a solids mixture of an epoxy resin, a phenolic resin, carboxypolyolefin resin and p... | 12/17/2002 |
| 6464772 | Bismuth-based pigments and process for their manufacture The present invention relates to very durable bismuth-based inorganic pigments with a light vivid yellow to orange color corresponding to the following general formula: BiV(1-n)XnO(4-3n) in which X is a halogen or a mixture of halogens and n can vary from 0 to... | 10/15/2002 |
| 6387524 | Tank liners and methods for installing same A composite liner for lining substrates, which does not employ volatile organic solvents, is provided. The composite liner comprises a chemical resistant layer, and a tie layer which is tacky prior to cure, disposed on the chemical resistant layer. Once t... | 05/14/2002 |
| 6235378 | Composite magnetic sheet A composite sheet including a first polymer layer laminated to the first major surface of a ferromagnetic substrate having opposing first and second major surfaces. A second polymer layer is laminated to the second major surface of the substrate, sandwich... | 05/22/2001 |
| 6198208 | Thin film piezoelectric device A thin film piezoelectric device has an epitaxial metal thin film (4) on a silicon substrate (2) and a PZT thin film (5) on the metal thin film, the PZT thin film (5) having a Ti/(Ti+Zr) atomic ratio between 0.65 and 0.90. A film bulk acoustic resonator h... | 03/06/2001 |
| 5786493 | Cyclic silane esters and solvolysis products thereof, and processes for the preparation of the cyclic silane esters and the solvolysis products Cyclic silane esters and solvolysis products thereof and processes for making these materials. The cyclic silanes and their solvolysis products are useful as adhesives, crosslinking agents and reagents for modifying polymers containing ester groups.... | 07/28/1998 |
| 5656355 | Multilayer elastic metallized material Disclosed is an elastic metallized film composed of an elastic film and a metallic coating substantially covering at least a portion of at least one side of the film. The elastic film may be formed from a thermoset elastic material, a thermoplastic elasti... | 08/12/1997 |
| 5378526 | Elastic member for electrophotography An elastic member for electrophotography including an electroconductive substrate, and a semiconducting elastic layer bonded to the electroconductive substrate by the medium of a rubber-type electroconductive adhesive layer.... | 01/03/1995 |
| 5122214 | Method of making a rubber laminated gasket A laminated gasket assembly and method of making same is disclosed. The laminated gasket assembly comprises first and second sheets, each having a thin metallic layer having a thin elastomeric coating on at least one major surface, and an elastomeric laye... | 06/16/1992 |
| 5056181 | Rotary brush In a rotary brush wherein the surface of a rotating basic shaft has mounted thereto at least one flexible blade, the surface of the blade made of rubber or a thermoplastic elastomer as its base material and which stands face to face with a surface to be c... | 10/15/1991 |
| 4957792 | Self-molding hose and a continuous vulcanization method A self-molding part in a self-molding hose formed by vulcanizing an elastomer applied as a topping layer to one surface of a heat-shrinkable woven fabric is used as a hose molding part. With the use of this self-molding part, a self-molding hose is formed... | 09/18/1990 |
| 4926963 | Sound attenuating laminate for jet aircraft engines The present invention relates to a novel sound attenuating laminate. More particularly, the invention relates to a simpler, lighter, and more effective noise attenuating laminate which is made up of seven layers of material. The laminate includes a duct l... | 05/22/1990 |
| 4877691 | Soil release agent and method to facilitate the cleaning of ovens used for cooking A composition for the pre-treatment in aqueous form of a surface, preferably of an oven, which is subjected to heat and is liable to soiling by baked-on organic food deposits. A food-safe, inorganic thickening agent, in an amount sufficient so that the co... | 10/31/1989 |
| 4848211 | Composite deflecting armour A composite armour comprises an outer layer of metal, an inner layer of metal, and therebetween an intermediate non-metallic layer, wherein there is provided along an edge of the intermediate layer a deflecting strip of metal, said deflecting strip presen... | 07/18/1989 |
| 4848514 | Sound attenuation system for jet aircraft engines The present invention relates to a novel sound attenuating system. More particularly, the invention relates to a simpler, lighter, and more effective noise attenuating laminate which is made up of five specific layers of material. The laminate includes a ... | 07/18/1989 |
| 4581281 | Self-priming pressure-sensitive adhesive tape A self-priming pressure-sensitive adhesive bonding tape is provided having a layer of a primary pressure-sensitive adhesive material coated onto one or more surfaces with a film of a secondary pressure-sensitive adhesive material. Both the primary and sec... | 04/08/1986 |
| 4426419 | Pressure sensitive adhesives based on asphalt flux Thermally insensitive adhesives having good adhesion to cementitious substrates and having good low temperature flexural strengths, which consists essentially of the reaction product of asphalt flux, a polymerizable vinyl aromatic monomer, a non-depolymer... | 01/17/1984 |
| 4393127 | Structure with a silicon body having through openings A structure for shaping or masking energetic radiation is described. The structure comprises a shallow silicon body having at least one through opening, and a metal silicide layer covering the surface of the structure. The structure characterized by havin... | 07/12/1983 |
| 4364888 | Method and apparatus for extruding a honeycomb structure Elimination of shearing flow, having an inwardly radial flow and velocity gradient, of extrudable material entering a die for forming a honeycomb structure with a plurality of thin-walled cells, thereby avoiding irregularities in the extruded structure. T... | 12/21/1982 |
| 4327150 | Method of bonding plasticized elastomer to metal and articles produced thereby Plasticized elastomer is securely bonded to a metal surface by interposing between the adhesive-coated metal surface and the elastomer a sheet of material obtained by combining adhesive with a portion of the elastomer that has been treated to remove plast... | 04/27/1982 |
| 4270665 | Peelable adhesive structure and method for its manufacture A peelable adhesive structure comprises a plurality of articles, including at least one metal article, bonded together through a composite coating layer. The composite coating layer comprises adjacent first and second coating layers, the first coating lay... | 06/02/1981 |
| 4255496 | Steel wire reinforcing elements with a brass-cobalt alloy adhesive coating A steel wire element useful in the reinforcement of rubber compositions in which the steel wire is provided with an adhesive coating comprising a brass alloy containing 58% to 75% copper, and cobalt in an amount sufficient in use to improve the adhesion b... | 03/10/1981 |
| 4218517 | Article of manufacture having a metallic surface coated with an elastomer and an intermediate cobalt-copper alloy coating to improve the adhesion of the elastomer The adhesion of an elastomer such as rubber to a metal surface is improved by coating the metal surface first with an alloy containing cobalt and copper, applying the elastomer to the coated metal surface and vulcanizing the elastomer.... | 08/19/1980 |
| 4215178 | Non-stick rubber liner A rubber liner for preventing build-up of materials, such as gypsum, in handling or storage facilities, comprises, by weight, 100 parts of a rubber elastomer, 10 to 30 parts of a fluorine-containing polymer and 5 to 20 parts of a compatible oil compound. ... | 07/29/1980 |
| 4115614 | Bonding layers for lining articles with a chlorinated polyethylene material A duo bonding layer for adhering a chlorinated polyethylene layer or coating to a rubber-lined article. The first bonding layer contains a blend of material having from 75 to 25 percent of chlorinated polyethylene by weight and from 25 to 75 percent by we... | 09/19/1978 |
| 4057670 | Cooking surfaces of glass-ceramic plates with layers with different values for radiation transmission A glass-ceramic plate cooking surface comprises a glass-ceramic base layer which allows penetration of thermal radiation having a wave length of from 0.7 to 5 microns and a top covering layer smaller in thickness than the base layer which is tightly joine... | 11/08/1977 |