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 |
| 8147907 | Retroreflective sheeting with security and/or decorative image The present invention provides a retroreflective sheet with a discernable image. The retroreflective sheet comprises a transparent polymeric spacing layer having a first surface and a second surface; a layer of transparent microsphere lenses embedded into the first ... | 04/03/2012 |
| 7331311 | Abrasion resistant omnidirectionally reflective rope A flexible abrasion resistant omnidirectionally reflective rope has a central braided high strength core comprising gel fiber or p-aramid fibers that is surrounded by cylindrically braided sleeve of reflective strips composed of narrow width reflective strips that c... | 02/19/2008 |
| 7325679 | Environmentally controlled sports equipment bag A sports equipment bag includes a flexible elongated body defining an equipment storage region. The body includes at least one recloseable opening and an outwardly facing reflective barrier layer having a reflectivity of at least 80 percent. At least a portion of th... | 02/05/2008 |
| 7323217 | Method for making an optical interference type reflective panel An optical-interference type reflective panel and a method for making the same are disclosed, wherein the display panel has a substrate on which multiple supporting layers are firstly formed. Then, a plurality of first conductive optical film stacks, spacing layers ... | 01/29/2008 |
| 7286111 | Apparatus for electro-optically writing a display A display writer for writing on a light writable display of the type having a layer of cholesteric liquid crystal material disposed between two conductors, the cholesteric liquid crystal material having multiple stable optical states at zero electrical field; and a ... | 10/23/2007 |
| 7252864 | Optical film for display devices Disclosed is an optical film that comprises certain radiation cured (meth)acrylate binders and, desirably, irregular semicrystalline asymmetric particles. ... | 08/07/2007 |
| 7235280 | Non-intrusive photogrammetric targets A target for use in photogrammetric analysis that does not distort the object to be analyzed has been developed. The target is formed by mixing a diffuse material with a solvent and then applying the mixture to the surface of the object to be analyzed. The object is... | 06/26/2007 |
| 7229663 | Display comprising a cholesteric liquid-crystal in hardened gelatin and method for making the same A method of making a liquid-crystal sheet material, useful for displays, having polymer-dispersed cholesteric liquid crystals, comprising the steps of providing a emulsion comprising dispersed cholesteric liquid crystal domain and a solution comprising gelatin and a... | 06/12/2007 |
| 7219626 | Pet toy having omnidirectional reflectivity A flexible abrasion resistant omnidirectionally reflective pet toy reflects incoming light beam back in the same direction as it was emanated, thereby indicating the location of a pet toy and thereby preventing tripping hazards in pet play areas during dusk or night... | 05/22/2007 |
| 7204207 | Abrasion resistant omnidirectionally reflective jewelry A flexible abrasion resistant omnidirectionally reflective jewelry piece has a central cylindrical braided rope core surrounded by a cylindrical reflective braided sleeve comprising three or more narrow width reflective strips that are braided at a shallow cylindric... | 04/17/2007 |
| 7204658 | Light-accumulating luminous road marking material and road structure A photoluminescence road marking material which is useful for a marking of a lane of a road, has a high photoluminescence performance along with a required wear resistance and weather resistance, can find an application not only in a white line, but also various typ... | 04/17/2007 |
| 7204206 | Abrasion resistant omnidirectionally reflective pet leash A flexible abrasion resistant omnidirectionally reflective pet leash has handle, central pet leash, and pet collar sections that reflect an incoming light beam back in the same direction as it was emanated. The reflected light beam provides accurate illumination of ... | 04/17/2007 |
| 7202285 | Radiation-curable composition Compositions suitable for use as base coats and varnishes, preferably for use in combination with electrostatic of set inks printed onto plastics substrates, particularly polycarbonate compact discs. They contain a photopolymerisable material, a photoinitiator, an i... | 04/10/2007 |
| 7201939 | Optical fiber with antireflection coating, and method for manufacturing the same An optical member (for example, optical fiber) is dipped in a coating solution having a film forming material dissolved therein to form an antireflection film on the end surface of the optical member. When the optical member is pulled up from the coating solution, t... | 04/10/2007 |
| 7182829 | Cube corner cavity based retroreflectors with transparent fill material Retroreflective sheeting includes a body layer having a structured surface with recessed faces forming cube corner cavities. A reflective film is disposed at least on the recessed faces, and a fill material fills the cube corner cavities. The fill material comprises... | 02/27/2007 |
| 7163117 | Static charge dissipater for filler neck closure A fuel cap is provided for use in a filler neck of a tank of a vehicle having body portions which are conductive. The fuel cap includes a housing sized to fit into the filler neck and a cover coupled to an upper end of the housing. The cover is made of a non-conduct... | 01/16/2007 |
| 7136562 | Light guide plate with a reflective means and process for forming the same A process for forming a light guide plate with a reflection film includes: (a) providing a light guide plate (30), which has a light input surface (303) with light incident portions (3032), a bottom surface (304), a light output surface (... | 11/14/2006 |
| 7063872 | Films having a high transmittance and matt property A film having a high transmittance and matt property is disclosed which has, on a transparent support 1, a hard coat layer 2 incorporated therein particles 4 of a particle size of 1.0 to 10 μm that is larger than the layer thickness thereof, an... | 06/20/2006 |
| 7011913 | Refflective film and method for making reflective film A method of making a reflective film includes the steps of: (a) preparing a cholesteric mixture that includes a cholesteric liquid crystal material and at least one type of polymerizable compound; (b) forming a cholesteric mixture layer in which the cholesteric liqu... | 03/14/2006 |
| 7004317 | Environmentally controlled sports equipment bag A sports equipment bag includes a flexible elongated body defining an equipment storage region. The body includes at least one recloseable opening and an outwardly facing reflective barrier layer having a reflectivity of at least 80 percent. At least a portion of th... | 02/28/2006 |
| 6933019 | Method of applying a uniform polymer coating A method of applying a polymer coating uses a nebulized aerosol of solubilized polymer solution having high-viscosity droplets and low-viscosity droplets to form a textured antireflective surface. Air or other gas is used to direct the nebulized aerosol toward the s... | 08/23/2005 |
| 6929830 | Plasma treatment method and method of manufacturing optical parts using the same A method for treating a non-planar surface of an object by employing a plasma treatment apparatus in which a microwave dielectric has a non-planar surface corresponding to the surface of the object. A method for forming an optical part is also provided. ... | 08/16/2005 |
| 6852376 | Antiglare film An antiglare film applicable to polarizers or displays includes a light-transparent resin, first light-transparent particles dispersed on surface of the light-transparent resin and second light-transparent particles dispersed inside the resin. The first light-transp... | 02/08/2005 |
| 6800365 | Article with antifogging film and process for producing the same An antifogging article includes a substrate and an antifogging film covering the substrate. This antifogging film contains a water-absorbing organic polymer and an inorganic substance and has a water repellent finishing on a surface of the antifogging film. Another ... | 10/05/2004 |
| 6737103 | Design and manufacturing approach to the implementation of a microlens-array based scintillation conversion screen A portable, self-contained, electronic radioscopic imaging system uses a pulsed X-ray source, a remote X-ray sensor, and a self-contained, display and controller unit to produce, store, and/or display digital radioscopic images of an object under investigation in lo... | 05/18/2004 |
| 6623793 | Process for forming a reflective surface A process for forming a retroreflective layer on a powder coated substrate is provided. The substrate is powder coated and the powder coating is subsequently partially cured. Reflective elements are then partially embedded in the semi-cured powder. The po... | 09/23/2003 |
| 6587263 | Optical solar reflectors An method, and method of production thereof, which provides excellent performance, reduced cost, and reduced breakage due to reduced manual handling. The present invention comprises a substrate, a bond layer coating the substrate, a reflective layer coati... | 07/01/2003 |
| 6582759 | Optical elements comprising a fluorinated surface treatment comprising urethane, ester or phosphate linkages The present invention relates to optical elements comprising fluorochemical surface treatments. The invention further relates to materials such as retroreflective sheetings, pavement markings and beaded projection screens comprising a binder and the surfa... | 06/24/2003 |
| 6531215 | Article with antifogging film and process for producing same An antifogging article includes a substrate and an antifogging film covering the substrate. This antifogging film contains a water-absorbing organic polymer and an inorganic substance and has a water repellent finishing on a surface of the antifogging fil... | 03/11/2003 |
| 6517166 | Light-reflective wheel rim A wheel rim includes a transparent adhesive layer provided on the surface of the wheel rim, a light-reflective particle layer which is substantially free of any superimposed or overlapping particles and which is formed by spreading solely and uniformly dr... | 02/11/2003 |
| 6451408 | Retroreflective article A retroreflective article that exhibits suitable retroreflective luminance under dry and dynamic wet conditions. The article includes an enclosed-lens retroreflective sheeting that, under dry conditions, exhibits a coefficient of retroreflective luminance... | 09/17/2002 |
| 6423368 | Method for making materials having uniform limited coalescence domains A light-modulating, electrically responsive sheet including a substrate and an electrically conductive layer formed over the substrate. The sheet further includes, in an aqueous bath, an immiscible, field responsive light-modulating material along with a ... | 07/23/2002 |
| 6420020 | Article with antifogging film and process for producing same An antifogging article includes a substrate and an antifogging film covering the substrate. This antifogging film contains a water-absorbing organic polymer and an inorganic substance and has a water repellent finishing on a surface of the antifogging fil... | 07/16/2002 |
| 6416911 | Image bonding treatment of retroreflective surfaces A coating for a retroreflective document is provided which renders the surface of the document receptive to toners and inks printed thereon while not substantially interfering with the retroreflective properties of the underlying substrate. Methods for fa... | 07/09/2002 |
| 6376135 | Image bonding treatment for retroreflective surfaces A coating for a retroreflective document is provided which renders the surface of the document receptive to toners and inks printed thereon while not substantially interfering with the retroreflective properties of the underlying substrate. Methods for fa... | 04/23/2002 |
| 6376009 | Display unit and method of preparing same A first compound is applied to the polymeric coating of the display unit and the polymeric coating is ground with the first compound to even out a surface of the polymer coating. A second compound is then applied to the polymeric coating and ground on the... | 04/23/2002 |
| 6368660 | Retroreflecting road marking system Retroreflecting road marking system comprising applying a coating layer which is composed of a binder, glass beads, one or more pigments, and fillers, on which immediately after its application and prior to its complete cooling, drying and/or curing glass... | 04/09/2002 |
| 6355302 | Continuous process for making high performance retroreflective fabric Simplified continuous processes are disclosed for converting standard woven or nonwoven fabric into reflectorized fabric in a continuous fashion and in bulk quantities. These processes are easily capable of achieving reflectivities of well over 100 cd/(lu... | 03/12/2002 |
| 6333070 | Method for reproducing on a flexible film reflection images which can be hot-transferred to a plurality of different materials The invention relates to a method for producing on a flexible film reflecting images which can be hot-transferred to a plurality of different materials, the method comprising a first processing step in which a polyester film is processed by a thermoplasti... | 12/25/2001 |
| 6326053 | Method of making pavement markings having raised protuberances Retroreflective article (10), e.g., in the form of a pavement marking, having raised, nonintegral protuberances (16) that exhibit good dry retroreflectivity and recover retroreflectivity quickly after exposure to water. The protuberance comprise a thermop... | 12/04/2001 |
