Patent application number | Description | Published |
20080220167 | Method of controlling coating edge thickness in a web process - One method for controlling edge thickness includes applying a coating to a moving substrate, thereby forming a film having a cross direction and a machine direction and one or more edges. The method also includes modifying a thickness of a first portion of the coating along one of the edges of the film, thereby forming a film having a substantially predetermined profile in the cross direction. A method of making a polymeric sheet includes applying a polymer to a moving substrate, thereby forming a sheet having a cross direction and a machine direction. This method further includes removing a first portion of the polymer from a first edge of the sheet, thereby the sheet having a substantially predetermined profile in the cross direction. | 09-11-2008 |
20080241472 | SOLAR HEAT-REFLECTIVE ROOFING GRANULES, SOLAR HEAT-REFLECTIVE SHINGLES, AND PROCESS FOR PRODUCING SAME - Solar-reflective roofing granules having improved solar heat-resistance are formed by coating colored mineral particles with a coating composition including titanium dioxide nanoparticles. | 10-02-2008 |
20080241516 | PHOTOCATALYTIC COLORED ROOFING GRANULES - Algae-resistant roofing granules include a mineral core; and an exterior coating including clay, colloidal silica, phosphate, a metal oxide, and a photocatalytic particulate having an average size under 100 nm. | 10-02-2008 |
20080248246 | MINERAL SURFACED ASPHALT-BASED ROOFING PRODUCTS WITH ENCAPSULATED HEALING AGENTS AND METHODS OF PRODUCING THE SAME - An asphalt-based sheet roofing material includes capsules on its upper surface. When struck, as by hailstones, the capsules break to release a film forming fluid that spreads over the surface to heal the damage created by the hailstones. | 10-09-2008 |
20080261007 | POST-FUNCTIONALIZED ROOFING GRANULES, AND PROCESS FOR PREPARING SAME - Roofing granules having a color coating layer are covered with a clear, transparent or translucent outer coating composition including a functional material, such nanoparticles of anatase titanium dioxide. | 10-23-2008 |
20100203281 | Roof Covering Material and Method of Manufacturing - A roof covering material is provided, as well as its method of manufacture, wherein a substrate, preferably of a fibrous material is provided, with a bituminous material, preferably asphalt coating, on opposite surfaces thereof, with granules being applied to an upper surface thereof and at least partially embedded in the bituminous material, and with a discontinuous top layer applied to the granule/bituminous material. The discontinuous top layer is preferably a polymeric material, and openings are provided therein, for passage of fluids therethrough, to avoid moisture, volatiles, and other fluid materials from being trapped beneath the top layer. Various techniques for application of the various materials, and for chemical treatment, are likewise provided. | 08-12-2010 |
20110247686 | MULTILAYER FILM FOR PHOTOVOLTAIC APPLICATIONS - A multilayer film includes a functional portion including one or more layers, an adhesive layer overlying a major surface of the functional portion, and a fluoropolymer layer overlying a major surface of the adhesive layer opposite the functional portion. The fluoropolymer layer includes a fluoropolymer. The adhesive layer includes an adhesive and an ultraviolet radiation absorber. | 10-13-2011 |
20120063952 | UV RESISTANT CLEAR LAMINATES - A multilayer construct includes a fluoropolymer first layer; a UV resistant fluoropolymer adhesive layer, and a third layer, wherein the fluoropolymer adhesive layer is between the first and third layers. The adhesive layer can optionally include an ultraviolet radiation absorber. | 03-15-2012 |
20120094076 | COLORED ROOFING GRANULES WITH INCREASED SOLAR HEAT REFLECTANCE, SOLAR HEAT-REFLECTIVE SHINGLES, AND PROCESS FOR PRODUCING SAME - Solar-reflective roofing granules having deep-tone colors are formed by coating base mineral particles with a coating composition including an infrared-reflective pigment. Color is provided by colored infrared pigment, light-interference platelet pigment, or a metal oxide. | 04-19-2012 |
20130160674 | ROOFING PRODUCT INCLUDING ROOFING-GRADE ASPHALT MIXTURE AND METHODS OF MAKING THE ROOFING PRODUCT AND THE ROOFING-GRADE ASPHALT MIXTURE - A method of forming an asphalt mixture can include mixing a bio-asphalt and a bitumen source material different from the bio-asphalt. The bio-asphalt can be formed by mixing a bio-source material with a liquid catalyst. Particles can be added to the asphalt mixture. In an embodiment, the bitumen source material can have a softening point of at least approximately 93° C. and a penetration distance no greater than approximately 25 dmm. In another embodiment, the roofing-grade asphalt mixture can have a softening point of at least approximately 104° C., a penetration distance no greater than approximately 12 dmm, a viscosity of at least approximately 3000 cps at a temperature of 204° C., or any combination thereof. The asphalt mixture can be applied to a base material to form a roofing product. The asphalt mixture can be applied as a pavement product. | 06-27-2013 |
20130171899 | OXIDIZED MIXTURE OF BIO-BASED MATERIAL AND ASPHALT, A BIO-BASED ASPHALTIC MATERIAL, AND METHODS OF MAKING THE SAME - A method of forming an asphalt mixture can include mixing a bio-source material and a bitumen source to form a bitumen mixture. The bitumen mixture can be mixed with a catalyst to form the asphalt mixture. Particles can be added to the asphalt mixture to form a roofing-grade asphalt mixture. In an embodiment, the bitumen source material can have a softening point of at least approximately 93° C. and a penetration distance no greater than approximately 25 dmm. In another embodiment, the roofing-grade asphalt mixture can have a softening point of at least approximately 104° C., a penetration distance no greater than approximately 12 dmm, a viscosity of at least approximately 3000 cps at a temperature of 204° C., or any combination thereof. The asphalt mixture can be applied to a base material to form a roofing product. The asphalt mixture can be applied as a pavement product. | 07-04-2013 |
20130295155 | CONTROLLED TIME-RELEASE ALGAE RESISTANT ROOFING SYSTEM - Time-release algae-resistant roofing granules have a base particle including an algaecide and an outer coating layer including another algaecide. The at least two algaecides are released over different predetermined periods. The outer layer protects the base particle from exposure to the environment for a predetermined period, then fails catastrophically so that the interior algaecide can be released. | 11-07-2013 |
20130295394 | ROOFING PRODUCT INCLUDING BIO-BASED ASPHALT MIXTURE AND METHODS OF MAKING THE ROOFING PRODUCT AND THE ROOFING-GRADE ASPHALT MIXTURE - A method of forming an asphalt mixture includes mixing a polyol with a bio-source material to form a bio-asphalt. The method can further include mixing the bio-asphalt with a bitumen source different from the bio-asphalt to form an asphalt mixture. The bio-source material can include an oil, such as a vegetable oil, an animal fat, or any combination thereof. The bitumen source can include a petroleum-based asphalt. The method can further include adding a modifier, such as a fatty acid, a polycarboxylic acid, a polyacrylic acid, a polyacrylate comprising a copolymer, or any combination thereof. Moreover, a roofing grade asphalt mixture includes a bio-asphalt. The bio-asphalt includes an alkyd, wherein the alkyd is a reaction product of a polyol and a bio-source material. The roofing grade asphalt mixture further includes a bitumen source material and particles. | 11-07-2013 |
20140004168 | ROOFING GRANULES | 01-02-2014 |
20140287166 | Method of Producing Roofing Shingles With Enhanced Granule Adhesion - The retention of roofing granules on bituminous roofing products is enhanced by providing an adherent material in the interstices between the exterior surface of the roofing granules and the exposed upper surface of the base sheet. | 09-25-2014 |
20140349072 | Roofing Products Containing Phase Change Materials - A solar heat responsive roofing material includes a continuous phase and dispersed discontinuous phase having a phase transition at a temperature between about 50 degrees Celsius and about 95 degrees Celsius. | 11-27-2014 |