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| Number | Title | Issue Date |
| 8148277 | Process for binding fibrous materials utilizing a polyanhydride and resulting product A process for securely binding the adjoining fibers of a fibrous material in the absence of the use of a phenol-formaldehyde reaction product is provided. A curable binding composition comprising a water-soluble intermediate reaction product having hydroxyl and carb... | 04/03/2012 |
| 8147584 | Filter medium The present invention relates to a filter composed of a multi-ply filter medium, which comprises at least one non-woven stiffening layer, at least one filtration layer, at least one covering layer and where necessary at least one non-woven microfibre layer, the non-... | 04/03/2012 |
| 8142535 | High dust holding capacity filter media Provided is a method of forming a self supporting fibrous nonwoven filter media comprising dispersing glass fibers, crimped polymer fibers, and cellulosic fibers in a fluid dispersion. The dispersion is subjected to a moving forming wire to form a fibrous web. Binde... | 03/27/2012 |
| 8141594 | Pipe insulation products and methods A pipe insulation product including a core of insulating material and a roughly rectangular laminate. The core may include an outer surface; an inner surface; and a wall extending between the outer and inner surfaces. The laminate may include a foil or metallized po... | 03/27/2012 |
| 8128767 | Process for manufacturing gypsum board faced with non-woven glass fiber mat A gypsum board comprises a set gypsum layer having a first face and a second face. A fibrous mat is affixed to at least one of the faces. The mat comprises a non-woven web bonded together with a resinous binder. The web is composed of chopped continuous glass fibers... | 03/06/2012 |
| 8118973 | Method of applying de-dusting agents to fibrous products and products A system and method for applying de-dusting agents to fibrous mats, webs, and/or blankets requiring a lower usage of the de-dusting agents, and producing fibrous products having improved dust suppression are disclosed. The dedusting agent or agents are first reduced... | 02/21/2012 |
| 8110512 | Facing and faced insulation products A facing laminate for insulation products includes: a foil or metallized polymeric film sheet layer forming an inner layer of the laminate that is adapted be bonded directly to a surface of an insulation product; a paper composite sheet layer, which may include synt... | 02/07/2012 |
| 8105685 | Roofing cover board, roofing panel composites, and method A roofing system includes a layer of insulation boards overlying a roof deck, and a layer of cover boards overlying the insulation boards. The insulation boards include a polyisocyanurate or polyurethane foam material that has a first density. The cover boards inclu... | 01/31/2012 |
| 8105494 | Method for controlling bacterial growth in process water A system for reducing or preventing the growth of organisms in the process water used to coat glass fibers with a formaldehyde-free binder composition. One or more biocides is added to the process water that mitigates the growth of microbes in the water. The biocide... | 01/31/2012 |
| 8104519 | Pipe insulation product with charge dissipater A pipe insulation product including a core of insulating material and a roughly rectangular laminate. The core may include an outer surface; an inner surface; and a wall extending between the outer and inner surfaces. The laminate may include a foil or metallized po... | 01/31/2012 |
| 8104311 | Rotary fiberization process for making glass fibers, an insulation mat, and pipe insulation Tubular pipe insulation is made from a glass fiber mat produced utilizing a rotary glass fiberization process. A spinner disc is rotated to centrifuge molten glass through fiberization holes in an annular sidewall of the spinner disc and form primary glass fibers. T... | 01/31/2012 |
| 8086042 | Weatherization imaging systems and methods Methods and systems for evaluating a performance installment in a building construction include preparing a first image of the building construction, implementing the performance installment in the building construction, preparing a second image of the building cons... | 12/27/2011 |
| 8084379 | Wall panel system A wall panel comprises a base layer comprising fiberglass board, an intermediate layer comprising molded fiberglass board, and a facer layer comprising glass textile. The wall panel provides consumers with greater options and flexibility in terms of room aesthetics ... | 12/27/2011 |
| 8084378 | Fiber glass mat, method and laminate Alkaline resistant fibrous products containing a binder comprised of a blend of urea formaldehyde and melamine formaldehyde and having particular use in bonding to alkaline materials having a pH of about 8 or above, including cementitious boards and other shapes, to... | 12/27/2011 |
| 8057881 | Fungi resistant asphalt and asphalt sheet materials A fungi resistant asphalt is combined with a base sheet to form a fungi resistant asphalt containing sheet material. Typically, the base sheet is a fibrous base sheet that, by itself, may or may not be fungi resistant. The fungi resistant asphalt is at least partial... | 11/15/2011 |
| 8057860 | Method for producing fiberglass materials and compositions resulting from the same A method for reducing the amount of binder or resin used in glass fiber manufacturing while maintaining product performance is disclosed. The method generally reduces the amount of binder or resin used in a manufacturing process by adjusting other factors in the man... | 11/15/2011 |
| 8057583 | Filter media including silicone and/or wax additive(s) A method of improving filtration efficiency of a fibrous nonwoven filter media comprises providing a filter media and incorporating in the filter media one or more additives selected from the group consisting of silicone additives, wax additives, and mixtures thereo... | 11/15/2011 |
| 8056371 | Cooling apparatus for fiberizing bushings and method This invention involves apparatus and methods for making fibers by passing a molten material like glass, polymer, etc. through orifices or tips in a fiberizing bushing and then cooling the molten material coming from the tips and newly formed fibers using cooling tu... | 11/15/2011 |
| 8024946 | Transverse row bushing support According to the invention, a system for forming glass fiber from molten glass is disclosed. The system may include a tip plate, a plurality of tips, and a plurality of support members. The plurality of tips may include a plurality of rows of tips. Each of the plura... | 09/27/2011 |
| 8021588 | Processes for forming a fiber-reinforced product A process for forming a reinforced product suitable for use as a roofing material is provided, comprising: (a) providing a composition comprising a matrix material; and (b) extruding the composition with an extruder to form a reinforced product, wherein a plurality ... | 09/20/2011 |
| 8007886 | Performance enhancing underlayment, underlayment assembly, and method An underlayment for supplementing one or more physical properties of wall, ceiling, and floor construction components is used to in a wall, ceiling, or floor assembly that may be fabricated on site. The assembly includes: first and second wall, ceiling, or floor con... | 08/30/2011 |
| 8006519 | Fiberizing bushing with different size tips Fiberizing bushings for fiberizing molten materials including molten glass are heated by applying a voltage drop across the bushings wherein molten material flows through an array of hollow tips attached to, or integral with, a tip plate having orifices therein that... | 08/30/2011 |
| 8003170 | Control of pre-cured product moisture for formaldehyde-free fiberglass products A system for controlling the residual moisture in pre-cured binder coated glass fibers. The moisture of the binder coated glass fibers is measured after the process water is extracted in a collection box. Based on the level of moisture found in the coated glass fibe... | 08/23/2011 |
| 7993427 | Filter medium The present invention relates to a filter composed of a multi-ply filter medium, which comprises at least one non-woven stiffening layer, at least one filtration layer, at least one covering layer and where necessary at least one non-woven microfiber layer, the non-... | 08/09/2011 |
| 7991504 | Method of measuring extent of cure of binder in products A method for determining the extent of cure of binder in a product comprising heating a sample of the product to vaporize free moisture in the sample and expel vaporized free moisture from the sample, measuring cure moisture content of the product, measuring binder ... | 08/02/2011 |
| 7967905 | Process for mixing modified bitumen by extrusion Provided is a method of mixing a modified bitumen composition and feeding one or more polymeric materials to an extruder, together with asphalt fed at more than one location along a length of the extruder. Improved mixing and elimination of asphalt melting in the pr... | 06/28/2011 |
| 7964246 | Process for powering a sprayed insulation application system An insulation application system is provided that utilizes a sole power source to drive the system's multiple components. In one embodiment the system includes an insulation blower, a hydraulic drive, an electrical generator, and a vacuum fan that is powered by a po... | 06/21/2011 |
| 7964061 | Roofing mat and the process for making a roofing mat using modified urea-formaldehyde binder Provided is thermosetting urea-formaldehyde (UF) resin binder formulation modified with a thickener. The formulation preferably has a viscosity in the range of from 3 to 10 cP and a surface tension of from 35 to 50 mN/m, and is preferably prepared from a binder comp... | 06/21/2011 |
| 7964060 | Roofing mat using urea-formaldehyde binder of particular viscosity and surface tension Provided is thermosetting urea-formaldehyde (UF) resin binder formulation, preferably prepared with modified styrene-maleic anhydride. The formulation has a viscosity in the range of from 3 to 10 cP and a surface tension of from 35 to 50 mN/m, and is prepared using ... | 06/21/2011 |
| 7946138 | Adjustable positioning apparatus for cooling members An apparatus for adjusting the cooling members located beneath fiberizing bushings is disclosed having the capability of moving each cooling member, or one portion of each cooling member, in a generally vertical direction, and/or in a lateral and/or tilting directio... | 05/24/2011 |
| 7946131 | Method for producing reactive raw material for manufacture of glass suitable fiberization The subject invention is directed to a method for producing a raw material or materials that can be used by themselves or in combination with other ingredients to make glass of high quality at high efficiencies and short production times. The raw materials are capab... | 05/24/2011 |
| 7932193 | Coated mat products, laminates and method Coated fibrous mats having properties particularly suited for a facer on gypsum wallboard, foam and other substrates and in laminates of various types, and the method of making the coated mat is disclosed. The mat contains a major portion of non-cellulosic fibers an... | 04/26/2011 |
| 7896991 | Method for manufacturing resin mats The present invention relates to a method for the manufacture of sheet molding compounds (SMC) in which the required glass fiber nonwovens are manufactured in-line and have an inhomogeneity of 10% or less, a weight per unit area of 400 g/m2 or higher and ... | 03/01/2011 |
| 7895694 | Extendable rotary scrubber This relates generally to devices used in the removal of excess spray-applied insulation from building components, and more particularly to an improved rotary scrubber that is readily extendable for reaching areas of extended elevation. To facilitate the scrubbing o... | 03/01/2011 |
| 7872062 | Control of pH in formaldehyde-free binder systems A system for controlling the pH of a formaldehyde-free aqueous binder composition used in the manufacture of glass fiber products. Following the formation of an aqueous binder composition, acid is added to the composition to reduce the pH to less than about 3.4. Aft... | 01/18/2011 |
| 7871258 | System for agglomerating wet fiber strand segments A new system and method for making agglomerates from material like wet chopped glass fiber strand segments is disclosed and the agglomerates so produced. Agglomerates, made by feeding wet chopped fiber strand segments into a wave chamber having a vibrating curved su... | 01/18/2011 |
| 7871026 | Method of chopping unwound items A method and apparatus for separating long, unwound items like fiber, fiber strands, yarn, etc. into short lengths is disclosed. The apparatus has a backup roll, a blade roll that uses novel dummy blade slot fillers between each pair of chopping blades on the blade ... | 01/18/2011 |
| 7870714 | Air-splicing device for splice-connecting two glass fiber roving strands and process of splice-connecting same An Air-splicing device for splice-connecting two glass-fiber roving strands (1, 3), comprises a strand channel (6) open at its two opposing ends (7, 8), two splice chambers (9, 10) arranged side-by-side in said strand channel, at least th... | 01/18/2011 |
| 7842631 | Glass compositions with high softening point temperatures Provided are glass compositions with higher softening point temperatures than conventional glasses, which improve flame penetration test performance of flexible duct insulation. In particular, the glass compositions have a softening point in the range of about 1230-... | 11/30/2010 |
| 7842629 | Non-woven glass fiber mat faced gypsum board and process of manufacture A gypsum board comprises a set gypsum layer having a first face and a second face. A fibrous mat is affixed to at least one of the faces. The mat comprises a non-woven web bonded together with a resinous binder. The web comprises a blend of a major portion composed ... | 11/30/2010 |
