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| Number | Title | Issue Date |
| 8153245 | Composite product An exemplary composite product and method of manufacturing is provided. In one embodiment, the method includes dewatering a first slurry through a dewatering belt to form a first substrate layer, applying a first functional layer onto at least a portion of the first... | 04/10/2012 |
| 7964272 | Lightweight compositions and articles containing such A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g/cc to 0.64 g/cc, an aspect ... | 06/21/2011 |
| 7758955 | Mineral insulation element and process for producing it A mineral, aluminum-blown insulation element, in particular insulation slab, comprising calcium silicate hydrates as framework and blown pores surrounded by the framework, wherein more than 40% by volume, in particular more than 50% by volume, of the blown pores hav... | 07/20/2010 |
| 7410688 | Lightweight panel A composite board comprising a core and a paper facer sheet adhesively laminated to one face of the core, the core including a mixture of perlite, binder, and cellulose fiber, the core being formed as a water slurry with said perlite, binder and cellulose fiber bein... | 08/12/2008 |
| 7364015 | Acoustical panel comprising interlocking matrix of set gypsum and method for making same An acoustical panel comprising a continuous phase of an interlocking set gypsum matrix and a method of preparing an acoustical panel are disclosed. ... | 04/29/2008 |
| 7325325 | Surface groove system for building sheets The present invention involves building sheets with a plurality of grooves indented into a surface of the building sheet to provide a guide for cutting the building sheet along the grooves. Preferably, the grooves are arranged in a regularly repeating pattern and ar... | 02/05/2008 |
| 7287353 | Heat shielded dock pad A compressible seal for a loading dock includes a pliable heat shield that helps protect the seal from concentrated heat generated by a truck's taillight being pressed against the seal. The seal includes a compressible foam core protected by a tough outer covering. ... | 10/30/2007 |
| 7238402 | Glass fibers and mats having improved surface structures in gypsum boards A gypsum board having roughened surface glass fiber reinforcement. The roughened surface of glass fiber is created by incorporating nano or micro particles of colloidal silica or clay or other inorganic particles in a silane based sizing composition. The sizing coat... | 07/03/2007 |
| 7178597 | Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations The present invention relates to subterranean well cementing operations, and more particularly, to cement compositions that include high aspect ratio materials, and methods for using such cement compositions in subterranean formations. An example of a method of the ... | 02/20/2007 |
| 7174961 | Methods of cementing using cement compositions comprising basalt fibers Methods of using cement compositions that comprise basalt fibers in subterranean formations are provided. An example of such a method may comprise providing a cement composition that comprises water, a hydraulic cement, and a plurality of basalt fibers; introducing ... | 02/13/2007 |
| 7121713 | Swinging agitator for a gypsum calcining apparatus and the like An agitation mechanism for a gypsum processing apparatus which includes a housing having a bottom wall, and at least one side wall. The housing can be constructed and arranged to receive and process gypsum-based products. An agitator frame having a similarly shaped ... | 10/17/2006 |
| 7111847 | Self-dispensing bullet trap buffer block An additive for buffering a projectile trapping medium and spent projectiles trapped therein is a buffering compound formed as a low density foamed concrete block that will self-dispense via fragmentation or pulverization when subjected to incoming fire. The block c... | 09/26/2006 |
| 7105120 | Moulding methods A method of molding a high density composite article which, when completed, has opposed outer skins of fiber-reinforced plastics material and polymer mortar core between the skins. The method is performed by (a) providing an openable mold defining a mold cavity and ... | 09/12/2006 |
| 7105587 | Method and composition for polymer-reinforced composite cementitious construction material A method and composition for polymer-reinforced composite cementitious construction materials is described. In one embodiment, a crosslinking component is mixed with a high molecular weight strengthening component and an inorganic cementitious material. The addition... | 09/12/2006 |
| 7018577 | Panel liner and method of making same A method of forming a liner for a passage such as a sewer includes forming panels composing the liner using a neat resin of a first density and a polymer concrete of a second, higher density. The neat resin is inserted into a mold cavity before the polymer concrete ... | 03/28/2006 |
| 6955853 | Secondary polymer layered impregnated tile A low density organic polymer impregnated preformed fibrous ceramic article includes a plurality of layers. A front layer includes ceramic fibers or carbon fibers or combinations of ceramic fibers and carbon fibers, and is impregnated with an effective amount of at ... | 10/18/2005 |
| 6941720 | Composite building material This invention generally pertains to a composite building material comprising a lightweight core with a thin fiber cement facing on one side of the core and a second facing material on the other side. The fiber cement facing that is used on at least one of the faces... | 09/13/2005 |
| 6902797 | Gypsum-based composite materials reinforced by cellulose ethers A gypsum-based composite structure is prepared from a slurry comprising a mixture of calcium sulfate hemihydrate, a cellulose ether additive other than CMC and an amount of water that is sufficient to form a slurry. The calcium sulfate hemihydrate is hydrated by the... | 06/07/2005 |
| 6838163 | Composite facer for wallboards A composite facer material for use with cementitious wallboards, where the composite facer is embedded in a top and bottom face thereof. The composite facer material, in a most preferred embodiment, comprises two layers. The first layer is preferably a carded polyes... | 01/04/2005 |
| 6815049 | Gypsum-containing composition having enhanced resistance to permanent deformation A composition including, but not limited to, a mixture of a calcium sulfate material, water, and a tetrametaphosphate compound is disclosed. Desirably, the inclusion of the tetrametaphosphate compound (e.g., salt or ion) in a pre-set treatment of a calcium sulfate m... | 11/09/2004 |
| 6783587 | Lightweight wallboard compositions containing natural polymers Compositions useful for the preparation of lightweight, high strength wallboards, and methods of making same are disclosed. The composition includes a slurry of calcium sulfate hemihydrate (stucco), water, starch, and a foam. The foam acts to provide large bubbles w... | 08/31/2004 |
| 6767620 | Pigmented porous material A coloured porous material comprising in its pores an effectively colouring amount of an organic pigment which is obtainable by fragmenting a meltable or solvent-soluble pigment precursor, and a process for its preparation. The instant coloured porous material powde... | 07/27/2004 |
| 6740607 | Substrate with stretch and heat sealing properties to make a multidirectional restraint module design The invention is directed to coating a plurality of polyurethane films onto a stretchable knit fabric substrate and heat sealing such substrates together to yield an air curtain or air bag having improved air-holding properties. ... | 05/25/2004 |
| 6670020 | Honeycomb body configuration with an intermediate layer containing at least one metal layer and sandwich structure in particular for a honeycomb body configuration A honeycomb body configuration includes an intermediate layer for reducing transmission of heat from a honeycomb body to a housing by heat radiation and prevents erosion of ends of the intermediate layer. The intermediate layer has a plurality of layer po... | 12/30/2003 |
| 6613424 | Composite structure with foamed cementitious layer The present invention provides for an acoustically absorbent porous panel that is both rigid and resistant to sagging caused by moisture. The acoustically absorbent porous panel is comprised of at least two layers. The first layer is a facing layer formed... | 09/02/2003 |
| 6372333 | Composition containing inorganic porous crystals-hydrophilic macromolecule composite and product made therefrom A composition containing a function improver and an inorganic porous crystals-hydrophilic macromolecule composite wherein the hydrophilic macromolecule contains inorganic porous crystals in its inner matrix, and a product made therefrom The product, texti... | 04/16/2002 |
| 6319312 | Strengthened, light weight wallboard and method and apparatus for making the same A novel wallboard composition is disclosed comprising a unique combination of synthetic binders selected for their ability to establish a strengthened permanent bond in the final dry state for use in a wallboard composition comprising primarily gypsum, an... | 11/20/2001 |
| 6176920 | Cementitious structural panel and method of its manufacture The present invention relates to a cementitious structural panel and its method of manufacture. The method of manufacture involves encapsulating a top and bottom layer of porous reinforcing material with a cementitious mixture by vibration. The structural... | 01/23/2001 |
| 6124028 | Carbonized wood and materials formed therefrom A method of carbonizing cellulose-containing plants is disclosed. Wood is used as a precursor material which is carbonized under controlled temperature and atmosphere conditions to produce a porous carbon product having substantially the same cellular str... | 09/26/2000 |
| 6001496 | Mat-faced gypsum board and method of manufacturing same Disclosed is a mat-faced gypsum board of the general type having a gypsum-based core formed from a gypsum slurry compressed through an extrusion ratio of at least about 3:1 wherein the fibrous mat facing on at least one side of the board has a weight per ... | 12/14/1999 |
| 5981052 | Inorganic porous crystals-hydrophilic macromolecule composite An inorganic porous crystals-hydrophilic macromolecule composite comprising a hydrophilic macromolecular substrate containing the inorganic porous crystals in its inner matrix, production method thereof and use thereof. The present invention affords an in... | 11/09/1999 |
| 5965234 | Flexible wall covering The method of manufacturing a flexible wall covering that replicates a finish selected from a traditional encaustic finish, a traditional stone finish and a traditional plaster finish comprises the steps of adding a flexible resin to a KOLCAUSTICO solutio... | 10/12/1999 |
| 5962119 | Gypsum wallboard and process of making same A process for continuously manufacturing gypsum board having a gypsum core and at least one fibrous cover sheet comprising: (A) applying a defoaming agent to the top surface of the fibrous sheet as it advances along a production line; (B) depositing a foa... | 10/05/1999 |
| 5922447 | Lightweight gypsum board A lightweight gypsum board is provided, including, by dry weight, gypsum as the largest single ingredient, perlite as the second largest single ingredient, and starch as a minor ingredient, in the board. The starch may be pre-cooked prior to mixing, and i... | 07/13/1999 |
| 5888641 | Fiber reinforced ceramic matrix composite internal combustion engine exhaust manifold This invention discloses an exhaust manifold for an engine made of all fiber reinforced ceramic matrix composite material so as to be light weight and high temperature resistant. A method of making the exhaust manifold comprises the steps of forming a lin... | 03/30/1999 |
| 5834108 | Multi-layered ceramic porous body A ceramic porous body has a layered structure including a plurality of foam-like ceramic layers. The foam-like ceramic layers are formed by firing foam-like ceramic shaped layers each having a thickness of not more than 5 mm. The adjacent shaped layers ar... | 11/10/1998 |
| 5804003 | Method of manufacturing an inorganic board The object of the present invention is to prevent delamination of an inorganic board. To attain this object, a method of manufacturing an inorganic board comprising forming a single mat by the paper making method by using slurry of raw material mixture su... | 09/08/1998 |
| 5783280 | Rigid thermal insulation An insulation material comprising the double salt of aluminum potassium sulphate and method of producing such. Aluminum sulphate materials and potassium sulphate materials are combined to form aluminum potassium sulphate which is then dehydrated to remove... | 07/21/1998 |
| 5756194 | Enhanced water resistance of starch-based materials Molded products made from gelatinized starch can be made water-resistant by coating with biodegradable polyesters such as poly(beta-hydroxybutyrate-co-valerate) (PHBV), poly(lactic acid) (PLA), and poly(.di-elect cons.-caprolactone) (PCL). Adherence of th... | 05/26/1998 |
| 5728458 | Light-weight high-strength composite pad The present invention relates to a low-weight, high-strength composite pad, and a method of making the same. The composite pad has a substantially rigid board and at least one reinforcing coating on one or more sides of the board. The reinforcing coating ... | 03/17/1998 |
