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| Number | Title | Issue Date |
| 8038843 | Use of a mineral-material steric dispersing agent in water, aqueous dispersion thus obtained and use thereof in paper making A method for manufacturing a sheet of paper from a pulp and a sheet of paper obtained by the present method, wherein said pulp comprises a mixture of natural and/or synthetic fibers, water, and at least one aqueous suspension and/or dispersion comprising at least on... | 10/18/2011 |
| 7862687 | Process for producing a low density acoustical panel with improved sound absorption A process useful for producing low density high mineral wool based acoustical panels with improved acoustical absorption properties using a water felting process is disclosed. The process includes forming a dilute slurry mixture including water, mineral wool, a ther... | 01/04/2011 |
| 7387704 | Non-woven inorganic fiber mat A non-woven mat of inorganic fiber is disclosed having a substance which is lower at the edges of the mat than in the remainder of the mat. Apparatus for making such a mat includes: a source of a slurry of inorganic fiber in a liquid; a forming wire disposed to move... | 06/17/2008 |
| 7384514 | Non-woven inorganic fiber mat A non-woven mat of inorganic fiber is disclosed having a substance which is lower at the edges of the mat than in the remainder of the mat. Apparatus for making such a mat includes: a source of a slurry of inorganic fiber in a liquid; a forming wire disposed to move... | 06/10/2008 |
| 7323082 | Method and apparatus for forming substantially plate-like ceramic articles A method for forming plate-like ceramic articles, comprising at least one step for deposition by pouring of at least one layer of a ceramic mixture that comprises an aqueous vehicle on a substantially absorbent transfer surface adapted to draw the aqueous vehicle, a... | 01/29/2008 |
| 7078088 | Disposable cutting sheet A disposable cutting sheet for Processing food items thereon includes a cut-resistant layer including a thermoplastic material ply and an absorbent ply, wherein the first layer has a surface area and wherein the thermoplastic material of the first layer includes a p... | 07/18/2006 |
| 7063880 | Sheet material and manufacturing method and apparatus therefor A method of manufacturing a single use processing substrate includes the step of extruding a first layer having ridges and troughs between the ridges. The method further includes the steps of placing a second layer into the troughs while the first layer is pliant an... | 06/20/2006 |
| 7063879 | Disposable cutting sheet A disposable cutting sheet for processing food items thereon includes a first cut-resistant layer having a first surface area and including a first absorbent ply and a thermoplastic material ply. The cutting sheet further includes a second layer having a second surf... | 06/20/2006 |
| 7056569 | Disposable cutting sheet A cutting sheet for cutting and preparation of food items thereon comprises a first cut-resistant layer having a width and including a first absorbent ply and a first thermoplastic material ply. The thermoplastic material ply of the first layer includes a plurality ... | 06/06/2006 |
| 7026034 | Processing substrate and method of manufacturing same A disposable cutting sheet for cutting and preparation of food items thereon includes a first section having a plurality of apertures therethrough and a cut resistant surface, a second liquid impermeable section disposed adjacent the first section, and a fold line d... | 04/11/2006 |
| 7022395 | Disposable cutting sheet A disposable cutting sheet for cutting and preparation of food items thereon includes a first cut-resistant layer having a first surface area and an absorbent ply and a thermoplastic material ply, wherein the first layer includes a plurality of non-circular aperture... | 04/04/2006 |
| 6979485 | Processing substrate and/or support surface A disposable cutting sheet for cutting and preparation of food items thereon includes a first cut-resistant layer having a first surface area and including an absorbent ply and a thermoplastic material ply, wherein the thermoplastic ply includes a plurality of apert... | 12/27/2005 |
| 6946013 | Ceramic exhaust filter An improved, efficient, and regenerable exhaust emission filter and filter system are provided which incorporate the use of an inorganic, non-woven fiber filter element. The filter is able to capture exhaust pollutants and particulates through the interwoven nature ... | 09/20/2005 |
| 6932925 | Method of manufacturing a super-lightweight ceramic foam A super-lightweight ceramic foam with a cellular structure effectively reinforced by ceramic short fibers, which has a density of 0.2 g/cm3 or less and a sufficient strength. The ceramic foam is prepared by evenly dispersing ceramic short fibers throughou... | 08/23/2005 |
| 6919132 | Fiberboard panel having improved acoustics and durability A fine texture fiberboard panel having a low resistivity value and a high board hardness value. The panel includes mineral fibers, perlite, cellulosic fibers, and binder. The mineral fibers comprise from about 50% to about 85%, the perlite includes from 0% to about ... | 07/19/2005 |
| 6855404 | Inorganic sheet laminate A laminate of inorganic sheet and polyester resin having an overall thickness of 5 to 25 mils and having an elongation at break in both the cross direction and machine direction of at least 25%. ... | 02/15/2005 |
| 6830656 | Non-woven fiber webs with nylon binder The present invention relates to a nonwoven web comprised of metal or refractory fibers with nylon as a binder. The nonwoven web is prepared by forming a foam furnish by agitating the fibers in a foamed medium, and passing the foam furnish onto a screen and defoamin... | 12/14/2004 |
| 6746571 | Highly-oriented fibrous mats A mat containing highly machine direction oriented (90% or greater), discontinuous reinforcement fibers, is produced on inclined wire or rotary paper making machinery. Fibers are first uniformly dispersed in an aqueous medium containing thickeners and wetting agents... | 06/08/2004 |
| 6706146 | Method for making performs A method for manufacturing a preform having a desirably uniform distribution of structural forms (for example and without limitation, particles, flakes, and fibers) therethrough. The method according to the present invention includes using an electrical charge react... | 03/16/2004 |
| 6616802 | Process and apparatus for making a sheet of refractory fibers using a foamed medium The present invention relates to a method for forming a non-woven fibrous web comprised of refractory fibers which comprises forming a foam furnish by agitating the fibers in a foamed medium, and passing the foam furnish onto a screen and defoaming the fu... | 09/09/2003 |
| 6533897 | Thermally and structurally stable noncombustible paper The present invention is drawn to a thermally and structurally stable, noncombustible paper, comprising a dominant amount of aluminosilicate refractory fibers and from 0.2% to 4% by weight of a polymeric binder. The refractory fibers can be substantially ... | 03/18/2003 |
| 6524438 | Method for making preforms A method for manufacturing a preform having a desirably uniform distribution of structural forms (for example and without limitation, particles, flakes, and fibers) therethrough. The method according to the present invention includes using an electrical c... | 02/25/2003 |
| 6521086 | Method of dispersing fibers A sized staple fiber product that disperses quickly, thoroughly and uniformly in water is particularly useful in the manufacture of gypsum board by the slurry process. An aqueous chemical size composition on the surface of the fibers contains a high level... | 02/18/2003 |
| 6517675 | Process for making metal fiber/metal powder sheet Provided by the present invention is a wet-layed, nonwoven sheet which is comprised of metal fiber and metal powder. Generally, the amount of metal fiber comprises from 20 to 95% by weight and the amount of metal comprises from 5 to 80% by weight of the s... | 02/11/2003 |
| 6497787 | Process of manufacturing a wet-laid veil A method of making a microsphere-filled wet-laid veil involves forming a non-woven fibrous veil, contacting the veil with an impregnation binder composition having a binder and microspheres, and impregnating the microspheres of the impregnation binder com... | 12/24/2002 |
| 6451167 | Wetlay process for manufacture of highly-oriented fibrous mats A mat containing highly machine direction oriented (90% or greater), discontinuous reinforcement fibers, is produced on inclined wire or rotary paper making machinery. Fibers are first uniformly dispersed in an aqueous medium containing thickeners and wet... | 09/17/2002 |
| 6413303 | Activated carbon air filters An activated carbon air filter for use in room air cleaners and the like has a corrugated paper structure formed of substantially non-porous paper, preferably Kraft paper, whose surface is coated with carbon by means for example of a dipping process in wh... | 07/02/2002 |
| 6346168 | Process for making metal fiber/metal powder sheet Provided by the present invention is a wet-layed, nonwoven sheet which is comprised of metal fiber and metal powder. Generally, the amount of metal fiber comprises from 20 to 95% by weight and the amount of metal comprises from 5 to 80% by weight of the s... | 02/12/2002 |
| 6312561 | Flame barrier compositions and their use A sheet composition with certain proportions of meta-aramids and mica used as a flame barrier composition.... | 11/06/2001 |
| 6299727 | Incombustible sound-absorbing electric radiation-absorbing ceiling panel The present invention provides a ceiling panel intended for good design which exhibits a light weight, sufficient flexural strength, incombustibility, sound-absorbing properties and heat insulation properties and desirable electric radiation-absorbing pro... | 10/09/2001 |
| 6258211 | Method for producing high-temperature resistant technical paper and paper produced according to said method Producing high temperature-resistant technical paper, wherein fibers are mixed with a wet paper material pulp and then technical paper is produced from the pulp by the removal of water from the pulp and resulting compacting of the paper material, it is pr... | 07/10/2001 |
| 6214102 | Bonding of ceramic fibers A method of vacuum forming of aqueous, fibrous slurries and products produced thereby are disclosed. The method entails forming an aqueous slurry of ceramic fiber, cationic starch and silica sol. The silica has, based on total weight of the sol, about 50%... | 04/10/2001 |
| 6193842 | Preparation of insulant boards based on mineral and paper fiber A is a process for preparing insulant boards based on mineral and paper fiber by slurrying mineral fiber, binder and customary additives in water, forming the insulant board by applying the slurry to a wire, and drying and consolidating the insulant board... | 02/27/2001 |
| 6155432 | High performance filters based on inorganic fibers and inorganic fiber whiskers A filter media structure, which is capable of operating in the micro- and nanofiltration regime, offers: low cost, durability, high temperature and chemical resistance, high permeability, high flow rate, low pressure drop across the filter media, high mec... | 12/05/2000 |
| 6066235 | Wetlay process for manufacture of highly-oriented fibrous mats A mat containing highly machine direction oriented (90% or greater), discontinuous reinforcement fibers, is produced on inclined wire or rotary paper making machinery. Fibers are first uniformly dispersed in an aqueous medium containing thickeners and wet... | 05/23/2000 |
| 5989390 | Friction paper containing activated carbon A fibrous friction material in a sheet form having a top surface and a bottom surface with at least one surface containing a mixture of from about 10 to 65% cellulose fibers, about 5 to 50% carbon fibers, about 5 to 50% activated carbon, about 1 to 20% no... | 11/23/1999 |
| 5972166 | Non-woven fiber mat and method for forming same The present invention is a non-woven fiber mat suitable for reinforcing resilient sheet floor coverings, such as vinyl floor coverings. The non-woven fiber mat is in the form of a sheet of reinforcement fibers which at least includes semi-coiled fibers an... | 10/26/1999 |
| 5968648 | Fibers having phosphorus-containing coatings Mineral fibers are provided with a phosphorus-containing coating to impart high-temperature resistance without substantially affecting mechanical performance. Preferred mineral-fiber compositions according to the invention with relatively high levels of S... | 10/19/1999 |
| 5800676 | Method for manufacturing a mineral fiber panel A method for manufacturing a mineral fiber panel which comprises uniformly dispersing in water 60 to 90% by weight of a mineral fiber, 2 to 19% by weight of an organic binder, 1 to 20% by weight of an inorganic microfiber, 0.5 to 3% by weight of a floccul... | 09/01/1998 |
| 5681428 | Method of manufacturing an inorganic board An inorganic board consisting of a cured base mat and a cured surface mat is manufactured by forming a surface mat by the dry method on a base mat formed by a paper making method, embossing the composite mat, and curing the embossed composite mat. Ridges ... | 10/28/1997 |
