Class 442/120 - Coating or impregnation absorbs sound

Subclass of Class 442 - Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Definition: Subject matter wherein the coating or impregnation is specifically
No. of patents: 23
Last issue date: 09/09/2008

Number	Title	Issue Date
7422990	Thermal/acoustic insulation product based on mineral wool A thermal and/or acoustic insulation product, and an apparatus and the process for manufacturing the product. The product is based on mineral wool of the glass wool or rock wool type. The product has at least part of its external surface uncovered. The product is su...	09/09/2008
7311957	Sound absorbing material and process for making A sound absorbing material having a homogenous mixture of an organic man-made fiber, an inorganic man-made fiber, a co-binder, and a cellulose material wherein the organic man-made fiber is polyester, the inorganic man-made fiber is fiberglass, and the co-binder is ...	12/25/2007
7309664	Substrate with a photocatalytic coating A substrate, its process of manufacture, and its applications. The substrate includes a fibrous material which is provided, over at least a portion of its surface and/or within its thickness, with a coating with photocatalytic properties including a semi-conducting ...	12/18/2007
7186273	Treatment of textiles with fluorinated polyethers A polymer adapted for the Shrink resist treatment of textile materials imparting water, stain and/or oil repellency. The polymer includes a fluorinated polyether. ...	03/06/2007
7150494	Flat section of the outer skin of the bodywork of a motor vehicle An at least partially moveable motor-vehicle outer skin is already known per se. An actuator formed of a polymer and/or ion-exchanging and/or other material exhibiting various conformations is provided so that the outer skin can be moved. This material is moveable a...	12/19/2006
6960625	Transparent polyurethane-hydrogel composition, method of making transparent polyurethane-hydrogel composition, and air-freshener application A transparent polyurethane-hydrogel composition includes a reaction product in aqueous solvent of a prepolymer and a water-soluble crosslinker in the substantial absence of organic solvent, and such a composition can be prepared by admixing a prepolymer and a water-...	11/01/2005
6855398	Sound absorbing and heat insulating material, and method of manufacturing same An object of the present invention is, by utilizing carbon fibers as its constituent material, to provide a thermal-acoustic insulation material having excellent properties in durability, compression resilience, lightness, fireproofness, and non-galvanic corrosivene...	02/15/2005
6702914	Method for fabricating non-fiberglass sound absorbing moldable thermoplastic structure A non-fiberglass containing sound absorbing moldable laminate of a fibrous batt and stiffening mats formed from chopped mono-filament polyester bonded by a thermoplastic binder is provided. The mono-filament mats stiffen the batt and allow use of all ther...	03/09/2004
6322658	Method for making a composite headliner A method for making a unitary composite headliner adapted to be installed in a motor vehicle includes providing an inner layer and two reinforcing layers, each of which comprises polymeric material, the inner layer being configured to absorb sound and vib...	11/27/2001
6323144	Convertible fabric A convertible fabric having improved acoustical and heat transfer properties comprising an elastomeric polymer coating on a double woven fabric. The double woven having the standard sateen weave and the backing fabric of a plain weave interconnected to th...	11/27/2001
6297176	Non-fiberglass sound absorbing moldable thermoplastic structure A non-fiberglass containing sound absorbing moldable laminate of a fibrous batt and stiffening mats formed from chopped mono-filament polyester bonded by a thermoplastic binder is provided. The mono-filament mats stiffen the batt and allow use of all ther...	10/02/2001
6146746	Formaldehyde-free coating composition for shaped articles The use of a formaldehyde-free aqueous binder comprising A) a polymer obtained by free-radical polymerization comprising 5-100% by weight of an ethylenically unsaturated acid anhydride or of an ethylenically unsaturated dicarboxylic acid whose carboxyl groups ...	11/14/2000
6077613	Sound insulating membrane A sound insulating membrane and processes for forming, particularly well suited for use in floor, ceiling and wall constructions. The membrane comprises at least one backing layer in contact with a layer of nonfoam polymeric material. The polymeric materi...	06/20/2000
5043207	Thermally insulating continuous filaments materials Insulating material comprising continuous filaments of a synthetic material characterized in that the filaments have a mean diameter of from 4 to 20 microns and in that the filaments have been separated by a stretching and subsequent relaxation of a crimp...	08/27/1991
4675231	Moldable and foamable reinforced laminate and process of making same A laminated foamable and moldable sheet which contains a solid catalyst that is activated at the molding temperature of the laminate....	06/23/1987
4585685	Acoustically porous building materials The present invention relates to acoustically porous building materials which are produced by disposing an aggregate material on the surface of a dry-formed web comprising a fibrous material and an organic binder, and consolidating the composite material ...	04/29/1986
4584232	Foam material sound absorption The present invention relates to a sound absorbing member comprising a fiber grid insert disposed between and bonded to two open cell foam panels....	04/22/1986
4472478	Fibrous composite materials and the production and use thereof A fibrous composite material in the form of individual fibres, sheets, layers or lightweight blocks comprising non-combustible fibres and lamellae of a layer mineral, a method for the manufacture of the fibrous composite materials by applying lamellae of ...	09/18/1984
4463049	Sound-absorbing wall-lining It should be possible to manufacture, in a simple manner, a sound-absorbing wall-lining (3) consisting of a material to be applied to the wall which needs lining, and a resilient layer (4, 5) of foam, e.g. foam rubber, felt, or similar material, having lo...	07/31/1984
4367259	Sound deadening material A sound deadening material is obtained with a very high loading of sound damping materials such as barium sulfate, calcium carbonate or metal powders. These materials are mixed with water and are bound together by adding a water-miscible isocyanate-termin...	01/04/1983
4324831	Formed structures based on synthetic fibers and having soundproofing properties Formed structures comprising synthetic thermoplastic fibrils or fibrids having a surface area (specific surface) higher than 1 m2 /g and useful for soundproofing purposes are provided. Methods for making the structures are also disclosed....	04/13/1982
4152474	Acoustic absorber and method for absorbing sound An acoustic absorber and a method for absorbing sound utilize a substrate having a plurality of openings therethrough. An organic polymer coating covers the substrate and partially fills the openings in the substrate to form an acoustic absorber having a ...	05/01/1979
4010818	Flexible noise barrier material A flexible noise barrier material is provided. The barrier material consists of a mass building coat adhered to a non-woven substrate. The mass building coat consists of neoprene and dispersed particles of iron sulfide, iron oxide, barium sulfate, or bari...	03/08/1977

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Class 442/120 - Coating or impregnation absorbs sound