William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8084098 | Coating method of building board A coating method of building board having convexoconcave in surface comprises the first process that coating is supplied and stocked in a tank installed above on a transportation line which transports the building board with making surface of the building board into... | 12/27/2011 |
| 7976904 | Curtain coating process using a high solids content composition, and coated product The invention relates to a curtain coating process for coating substrates with a stable curtain and a uniform coating at low flow rates wherein a free-falling curtain of an aqueous composition comprising a high solids content is coated onto the moving substrate at a... | 07/12/2011 |
| 7943200 | Method of curtain coating To provide an apparatus and method of curtain coating for applying onto a running web a coating solution from a lip top in the form of curtain to form a coating thereon, wherein a fluid is blown to remove excessive deposits of the coating solution that are formed at... | 05/17/2011 |
| 7939140 | Curtain coating process and device used for this purpose Process and apparatus for applying single and multiple coatings of a liquid coating material to a continuously moving backing web, in which a free-falling, vertical curtain is formed out of the coating material and strikes the backing web along a wetting line. In pa... | 05/10/2011 |
| 7887887 | Liquid crystal polyester resin composition and printed circuit board using the same Disclosed herein is a liquid crystal polyester resin composition and a printed circuit board using the composition. The composition comprises a liquid crystal polyester, a polybenzimidazole and an aprotic solvent. The composition exhibits good thermal stability and ... | 02/15/2011 |
| 7820247 | Curtain-type coater Curtain-type coater and process for coating a web with curtain-type coater. Curtain-type coater includes a curtain head having a slit structured and arranged to supply a coating liquid curtain onto a surface of a web and outside of the edges of the web. At least a p... | 10/26/2010 |
| 7754289 | Method for coating a multilayer film and product having a multilayer coated film A method of applying a multilayer coating film, in which two or more layers of coating film are applied to a flat plate, such as steel plate, by baking finish, which method is effective for preventing of foam generation; and a product with multilayer coating film ob... | 07/13/2010 |
| 7709059 | Machine for single sided or double sided application of a liquid or viscous coating medium onto the surface of a moving material web, and associated operating method A method for operating a machine for single or double sided application of a liquid or viscous coating medium by way of at least one applicator unit onto the surface of a mating material web, especially a paper or cardboard web is provided. The coating medium collec... | 05/04/2010 |
| 7691448 | Method for applying a film to a planar substrate, deflecting element and device for applying a film to a planar substrate The invention relates to a method for applying a film to a planar, especially air-impermeable substrate, comprising the steps: (a) feeding the planar substrate in a direction of feed towards an application device, (b) applying a film output by the application device... | 04/06/2010 |
| 7438763 | Coating apparatus and method having a slide bead coater and liquid drop applicator A coating apparatus and coating method include a device for conveying an object to be coated; a coating device which is disposed in a vicinity of a conveyed surface of the object, and which discharges a coating liquid, and which forms a bridge of the liquid between ... | 10/21/2008 |
| 7425246 | Process for making multilayer coated paper or paperboard The present invention refers in one embodiment to a method of manufacturing multilayer coated papers and paperboards, but excluding photographic papers and pressure sensitive copying papers, that are especially suitable for printing, packaging and labeling purposes,... | 09/16/2008 |
| 7390363 | Device for applying a homogeneously thick liquid layer over the working width of a material web A device for applying a liquid as a thin continuous film to a passing workpiece strip has a runoff face and an intake face both extending a full width of the workpiece strip and meeting at an upwardly directed spillover weir. A diverter has a face juxtaposed with th... | 06/24/2008 |
| 7364774 | Method of producing a multilayer coated substrate having improved barrier properties The present invention refers to a method of producing a coated substrate comprising the steps of: a) forming a composite, multilayer free flowing curtain, whereby the multilayer free flowing curtain comprises at least two layers imparting at least two d... | 04/29/2008 |
| 7326302 | Apparatus and method for processing a substrate An apparatus for processing a substrate has a liquid supply unit, a nozzle unit, a first valve and a second valve. The liquid supply unit has an output port and an input port, and a processing liquid is output from the output port. The nozzle unit has a first port a... | 02/05/2008 |
| 7316760 | Process for manufacturing a laminate In a process involving at least two film-shaped substrates (44, 46) bonded together by means of at least one adhesive layer containing a catalyst which accelerates hardening of the adhesive, a first substrate (44) is coated with a liquid film comprisin... | 01/08/2008 |
| 7303634 | Method and apparatus for feeding a treating agent onto a moving surface The apparatus has a feed apparatus (10) and an evening-out apparatus (100) placed underneath the feed apparatus. The feed apparatus (10) has a feed chamber (12) with an inlet opening (13a), an outlet opening (13b | 12/04/2007 |
| 7288289 | Method and apparatus for manufacturing sheet flooring by simultaneous multi-layer die coating Surface coverings and surface covering components and methods for forming them using slot die coating are disclosed. The methods involve applying a plurality of wet layers to a substrate simultaneously or in sequence using a slot die coater, wherein a plurality of w... | 10/30/2007 |
| 7247206 | Medium application device A device (10) for the direct or indirect application of liquid or pasty application medium (16) to one or both sides of a material web (20), in particular of paper or board, comprises an applicator unit (12) which discharges the applicati... | 07/24/2007 |
| 7247215 | Method of making absorbent articles having shaped absorbent cores on a substrate A method of making stretchable absorbent articles includes the steps of providing a continuous substrate layer, providing one or more streams of adhesive fibers and superabsorbent particles, shaping the one or more streams of adhesive fibers and superabsorbent parti... | 07/24/2007 |
| 7241498 | Support covered with a chitosan-based coating and method for the production thereof Support based on organic and/or inorganic fibres covered at least on one of the faces thereof with a chitosan-based layer, characterized in that the layer is obtained by depositing a chitosan-based aqueous solution, the average molar mass of which has a mass less th... | 07/10/2007 |
| 7238237 | Coating apparatus and coating method The mounting is formed by grinding an integrally molded material with accuracy of the μm order. An upper portion of the mounting is an L-shaped holding portion on which a slot die is positioned. An upper face of the holding portion contacts a lower face of the slot... | 07/03/2007 |
| 7211297 | Apparatus for decreasing skip coating on a paper web An fountain applicator for applying coating liquid onto a web of paper carried past the applicator, has a coating liquid flow path that includes a curved surface along which a sheet of the coating liquid is flowed to subject the sheet to centrifugal force to cause a... | 05/01/2007 |
| 7208201 | Coating apparatus and method having a slide bead coater and liquid drop applicator A coating apparatus and coating method include a device for conveying an object to be coated; a coating device which is disposed in a vicinity of a conveyed surface of the object, and which discharges a coating liquid, and which forms a bridge of the liquid between ... | 04/24/2007 |
| 7192485 | Application device A device (510) for the direct or indirect application of liquid or pasty application medium (516) by means of an applicator unit (512) to a material web (520), in particular of paper or board, comprises a device (570) upstream of t... | 03/20/2007 |
| 7175876 | Patterned coating method employing polymeric coatings Patterned articles can be prepared by applying a release polymer to a substrate in a desired pattern, applying a substrate-adherent polymer over the pattern and substrate, and mechanically removing the substrate-adherent polymer from the pattern without requiring so... | 02/13/2007 |
| 7169445 | Method and apparatus for curtain coating A method and apparatus for curtain coating of a moved substrate, particularly for high-speed curtain coating of a continous paper web substrate, wherein a substrate (12) is moved below a hopper means (14), provides one or more liquid coating materials ... | 01/30/2007 |
| 7160579 | Method and device for coating a moving web A method for curtain coating a moving web (8) is described, wherein the total amount of the coating liquids and of the lateral flow liquid, added perpendicular to the lateral extension of the curtain (6), is deposited on the moving web (8) under... | 01/09/2007 |
| 7101592 | Method and apparatus for curtain coating In a method and an apparatus for curtain coating of a moved substrate like a paper web substrate is moved below a liquid supply means providing a single or multilayer liquid coating in the form of a free-falling curtain impinging the substrate at a dynamic wetting l... | 09/05/2006 |
| 7090898 | Coating process for producing products in web form having at least two layers by application of electrostatic charges followed by neutralization of same A process for producing products in web form comprising at least two layers, in which a composition emerging from an applicator is applied as a layer to a substrate in web form which is guided on a transport means, said application taking place with application of e... | 08/15/2006 |
| 7081163 | Edge-control system for curtain coater A coating system for a web traveling in a web-travel direction has a slot nozzle from which a curtain of a coating material falls on the traveling web and a pair of guide elements flanking the slot nozzle and having confronting and vertical inner faces engaging and ... | 07/25/2006 |
| 7045173 | Coating process for producing web form products involving application of electrostatic charges and subsequent charge neutralization A process for producing products in web form comprising at least two layers, in which a composition emerging from an applicator is applied as a layer to a substrate in web form which is guided on a transport means, the application taking place with application of el... | 05/16/2006 |
| 7041336 | Intermittent coating apparatus and intermittent coating method The intermittent coating apparatus which includes a nozzle 1 which applies a paint 6 to a base material, a feeding side two-way valve 10 which repeats feeding of the paint 6 to the nozzle 1 and stop of the feeding, a return side tw... | 05/09/2006 |
| 6986916 | Coating apparatus and method for applying coating solution on web In a coating apparatus of slide bead type for applying a coating solution on a continuously-fed web, each of edge members has a edge member for regulating a width of coating solution flowing on a slide surface. A height Dg of a perpendicular wall of the edge member ... | 01/17/2006 |
| 6974600 | Method and apparatus for coating a photosensitive material In a method and an apparatus for coating an object with photosensitive material, a roller stabilizes a supply amount of the photosensitive material and is disposed between the object and a slit coater, so that the stabilized photosensitive material is supplied to th... | 12/13/2005 |
| 6969734 | Aqueous polymer dispersion and method of use An aqueous polymer dispersion containing acetoacetoxy functional polymer particles and an alkyl ethoxylated surfactants is provided. A method for preparing a coated substrate employing the aqueous polymer dispersion is also provided. The aqueous polymer dispersion i... | 11/29/2005 |
| 6960364 | Organic electroluminescent element and its manufacturing method Disclosed is a method of manufacturing an organic electroluminescent element comprising a substrate and provided thereon, a light emission layer and at least one layer of a hole injecting layer, a hole transporting layer, an electron injecting layer, and an electron... | 11/01/2005 |
| 6953599 | Process and apparatus for producing a substrate having a coating resin layer A process for producing a substrate having a coating resin layer includes the steps of carrying in a substrate on a fastening table and fastening the substrate to the table and, while moving a spout for spouting a resin layer precursor or the fastening table in a ho... | 10/11/2005 |
| 6946156 | Process for enrobing a core A process for enrobing a core, such as a tablet core, uses a coating that is made of a patterned film having portions that are visually distinct (e.g, differently colored) from one another and having a transition line segment between these visually distinct portions... | 09/20/2005 |
| 6924006 | Lip preparation apparatus and method for improving the uniformity of a liquid curtain in a curtain coating system An apparatus and method for improving the uniformity of a liquid curtain in a coating system comprising a lip of a slide die wherein the lip includes a front surface on which a liquid composition flows by gravity. The apparatus comprises a ledge having a first, seco... | 08/02/2005 |
| 6903161 | Low-acid ethylene copolymers for improving the adhesion of LDPE to aluminum foil in extrusion coating This invention relates to a low-density polyethylene composition useful for coating polar substrates. This invention particularly relates to a low-density polyethylene composition useful for coating metal foils, wherein the composition comprises an ethylene/(meth)ac... | 06/07/2005 |