Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8039048 | Algae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles and process for producing same A process for forming algae-resistant roofing shingles comprises producing algae-resistant granules, and adhering the granules to a shingle stock material. The algae-resistant roofing granules are produced by a process that includes coating mineral particles with a ... | 10/18/2011 |
| 7951417 | Bio-based adhesive material for roof shingles An adhesive product and method of making the product replaces asphalt in the manufacture of roofing shingles. The method comprises steps of forming a mixture of oil comprising fatty acids and a powdered catalyst operable to catalyze the polymerization of the oil; ma... | 05/31/2011 |
| 7638164 | Method and apparatus for efficient application of prime background shingle granules A method and apparatus for making shingles includes discharging blend drop granules onto first sections of a moving sheet, and discharging background granules onto second sections of the sheet where the second sections are different from the first sections. ... | 12/29/2009 |
| 7563478 | Synthetic roofing shingles Disclosed is a coated synthetic shingle that exhibits increased resistance to ultra-violet radiation. The shingle is useable for roofing applications and includes a substrate having a substrate surface and a base coat that is applied to the substrate surface. The ba... | 07/21/2009 |
| 7459180 | Process for making skid resistant moisture barriers Skid-resistant moisture barriers of the invention, such as house wrapping, waterproofing membranes, and roofing underlayrnents, have a carrier sheet with polymer nodules deposited thereon through a rotating screen roll or by transfer means such as a gravure roll. Pr... | 12/02/2008 |
| 7354596 | Anti-microbial agent delivery system A delivery system for delivering an anti-microbial agent to a surface in a time release manner. The delivery system includes one or more polymeric particles (e.g., microspheres, core/shell particles, latexes, porogens, cryogenically ground beads, condensation polyme... | 04/08/2008 |
| 7323237 | Algae-resistant roofing material and methods A method of making algae-resistant shingles in which the algae-inhibiting material, usually a copper compound, is applied only to larger granules, instead of being applied to a full size range of granules. Use of the larger granules only, as algae-resistant granules... | 01/29/2008 |
| 7291358 | Method of forming a prefabricated roofing or siding material A roofing or siding system having an improved average resulting reflectivity. The roofing and/or siding system is at least partially coated with a plurality of granules. At least one layer of paint is applied to the roofing and/or siding system to increase the resul... | 11/06/2007 |
| 7273634 | Coatings and additives containing ceramic material A coating for support beams in buildings to protect their structural integrity in case of high heat events, for roofs and the like to inexpensively provide protection from ultraviolet light, for wood or steel substrates to inexpensively provide flame or chemical res... | 09/25/2007 |
| 7220747 | Method for preventing damage to or rejuvenating a cellular blood component using mitochondrial enhancer This invention provides methods for treating cellular blood components and other cells containing mitochondria to improve vital qualities of the cells by contacting the cells with a mitochondrial enhancer to the cells. Mitochondrial enhancers prevent damage to and r... | 05/22/2007 |
| 7169464 | Aligned extrudate structure The present invention provides an improved composite material structure having large portions of additive material aligned over a substantial width of a material structure and occupying a larger percentage of the structure volume. The material structure includes a r... | 01/30/2007 |
| 7163716 | Method of depositing granules onto a moving substrate A method for depositing granules (48) onto a substrate (14) comprises providing a hopper (36) for granules with a discharge slot (46), moving a gate (50) across the slot to open and close the slot so that when the slot is open gran... | 01/16/2007 |
| 7125579 | Algae-resistant roofing material and methods A method of making algae-resistant shingles in which the algae-inhibiting material, usually a copper compound, is applied only to larger granules, instead of being applied to a full size range of granules. Use of the larger granules only, as algae-resistant granules... | 10/24/2006 |
| 7094378 | Method and apparatus for inactivation of biological contaminants using photosensitizers Methods and apparatuses for treating fluids to inactivate microorganisms which may be present therein, said fluid containing one or more components selected from the group consisting of protein, blood and blood constituents are provided. The methods comprise adjusti... | 08/22/2006 |
| 7082713 | Rollable mulch carpet The present invention relates to a rollable artificial mulch carpet that includes a permeable base upon which simulated wood chips have been adhered. In one embodiment, the rollable mulch carpet is manufactured on rolls of varying lengths that are placed onto the so... | 08/01/2006 |
| 7060658 | Roofing granules Use of internal gas-forming compound to adjust coating porosity to control copper release rates in algae-retardant roofing granule products. ... | 06/13/2006 |
| 7049110 | Inactivation of West Nile virus and malaria using photosensitizers Methods and apparatuses are provided for inactivation of microorganisms in fluids or on surfaces. Preferably the fluids contain blood or blood products and comprise biologically active proteins. Preferred methods include the steps of adding an effective, non-toxic a... | 05/23/2006 |
| 6933007 | Method of forming an improved roofing material A method of coating highly reflective granules on an adhering material of a roofing or siding material to form a roofing or siding material having an average resulting reflectivity on an upper surface of at least about 45%. The method includes the selecting of highl... | 08/23/2005 |
| 6924015 | Modified bitumen roofing membrane with enhanced sealability A self-adhering modified bituminous roof covering composite that comprises a thermoplastic (APP), elastomeric (SBS) or TPO modified bitumen compound on the front side, and a factory-applied self-adhesive compound on the back side of a reinforcement carrier sheet, wi... | 08/02/2005 |
| 6887515 | Fire-resistant, self-adhesive rolled roofing membrane and method of making same A fire resistant, self-adhesive rolled roofing membrane is used on low sloped roofs for insulating a surface from weather. The roofing membrane includes an asphalt-saturated fibrous material having a roofing surface area, for example, roofing granules on a portion o... | 05/03/2005 |
| 6838152 | Low pigments costs algae-retardant roofing granule products containing metallic copper Algae-resistant roofing granules consisting of one or two coats of a fired semi-ceramic composition having a metallic copper powder which does not significantly affect the color tint strength of the pigment contained in the coatings. ... | 01/04/2005 |
| 6790307 | Shingles with multiple blend drops and method of depositing granules onto a moving substrate A method of making shingles includes providing a moving asphalt coated sheet having at least an overlay lane and an underlay lane. Blend drops of at least two color blends are discharged onto each lane, wherein at least one of the blend drops discharged onto the ove... | 09/14/2004 |
| 6777023 | Method and apparatus for monitoring granule coloration on an asphalt coated sheet A method of producing asphalt strip shingles includes continuously coating a substrate with asphalt to form an asphalt coated sheet, moving the asphalt coated sheet in a machine direction, depositing blend drops of blend drop granules onto the asphalt coated sheet f... | 08/17/2004 |
| 6709994 | Storm proof roofing material An asphalt-based roofing material includes a substrate coated with an asphalt coating, a protective coating adhered to the upper surface of the asphalt coating, a layer of granules adhered to the protective coating, and a web bonded to the lower region of the asphal... | 03/23/2004 |
| 6610147 | Shingle granule valve and method of depositing granules onto a moving substrate Apparatus for depositing granules onto a substrate includes a hopper for containing granules, the hopper having a discharge slot, and a reciprocating gate mounted for rotation across the slot to open and close the slot. A method of depositing granules ont... | 08/26/2003 |
| 6607781 | Roofing granules with a decorative metallic appearance Colored roofing granules and methods for their preparations, having decorative metallic appearance and enhanced stability against discoloration of color containing a silica-encapsulated metallic flake or colored lamellar effect pigment distributed in an i... | 08/19/2003 |
| 6582760 | Blend drop conveyor for deposition granules onto an asphalt coated sheet A method of applying blend drop granules to an asphalt coated sheet includes moving an asphalt coated sheet in a machine direction, depositing a blend drop of granules on a blend drop conveyor that is moving at a first speed, changing the speed of the ble... | 06/24/2003 |
| 6524682 | Glass backdust for roof covering A roof covering has a back surface and a plurality of glass particles applied as a backdust on the back surface. A method of manufacturing a roof covering includes coating a substrate with an organic-based coating material, and applying a plurality of gla... | 02/25/2003 |
| 6511704 | System and method for depositing granules in a frame pattern The method of depositing granules in a frame pattern includes moving an asphalt-coated web and depositing successive granule blend drops on the web. The first blend drop has a first color and forms a first blend drop pattern defining an inner region. The ... | 01/28/2003 |
| 6485781 | Metal roofing shingle stock and method for making it This invention relates to a method for embedding a multiplicity of discrete masses of material in a resinous coating on a sheet of metal in a coil coating system. The sheet is coated, the masses are embedded in the wet resinous coating, and the coating is... | 11/26/2002 |
| 6465058 | Magnetic method for depositing granules onto an asphalt-coated sheet A method of applying blend drop granules to an asphalt coated sheet includes moving an asphalt coated sheet in a machine direction, and depositing blend drops of granules on a blend drop conveyor that is positioned above the asphalt coated sheet. The blen... | 10/15/2002 |
| 6440216 | Apparatus for depositing granules onto an asphalt coated sheet A method of applying blend drop granules to an asphalt coated sheet includes moving an asphalt coated sheet in a machine direction, generating vertically moving blend drops of granules and directing the vertically moving blend drops of granules into conta... | 08/27/2002 |
| 6432252 | Method and an apparatus for the manufacture of a bituminous coating sheet and such coating sheet A method of manufacturing a bituminous coating sheet, wherein a bitumen-impregnated core material provided with a layer of backface bitumen is caused to be in contact with one or more rotating bodies during the manufacture. A slip material dispersed/emuls... | 08/13/2002 |
| 6426309 | Storm proof roofing material An asphalt-based roofing material includes a substrate coated with an asphalt coating, a protective coating adhered to the upper surface of the asphalt coating, a layer of granules adhered to the protective coating, and a web bonded to the lower region of... | 07/30/2002 |
| 6413317 | Substrate processing method and substrate processing apparatus Processing of applying ultraviolet rays to a front face of an insulating film material formed on a wafer W is performed, whereby a contact angle of the front face thereof becomes smaller. Accordingly, when an insulating film material is applied on the afo... | 07/02/2002 |
| 6398976 | Coated roofing insulation and roofing systems including such insulations A single ply membrane roofing system includes a roofing insulation board which, preferably, is at least 45% by dry weight expanded perlite. One major surface of the insulation board is coated with a latex coating comprising, by dry weight, between 48.3% a... | 06/04/2002 |
| 6358561 | Rotatable coating hopper Apparatus and process for coating a continuously advancing web with a dry or wet coating material on a conveyor belt. The apparatus having a hopper which contains an agitator, a brush and a knurled roll to accurately dispense the coating material to an ap... | 03/19/2002 |
| 6352744 | Vacuum treatment of asphalt coating In a method of reducing voids in an asphalt roofing product, an asphalt coating material having voids is contacted with a vacuum in an amount effective to reduce the voids in the coating material. A mat is coated with the coating material to make an aspha... | 03/05/2002 |
| 6245381 | Manufacture of composite roofing products with matrix formulated microbiocide This invention discloses improved residential roofing products with durable active protection against algae discoloration. Versatile organometallic salts and chelates for this purpose are incorporated in manufacture of composite concrete tile and asphalt ... | 06/12/2001 |
| 6190754 | Variegated shingle and method of manufacture The variegated shingle comprises a shingle layer having front and rear surfaces the front surface including a butt portion and a headlap portion. The shingle layer contains granules on the front surface forming a plurality of horizontal striations providi... | 02/20/2001 |
