Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7425517 | Nonwoven fabric with abrasion resistance and reduced surface fuzziness The present invention provides a nonwoven web or laminate having at least one surface with abrasion resistance and a low degree of free fibers on the surface. Also provided is a lofty nonwoven web laminate from multicomponent fibers having at least one surface with ... | 09/16/2008 |
| 7390760 | Composite nanofiber materials and methods for making same A composite material comprising a plurality of nanofibers intertwined with a plurality of coarse fibers to form one or more layers is provided. The nanofibers can be any suitable type of nanofiber, including electrospun fibers. A composite material comprising a plur... | 06/24/2008 |
| 7381668 | Self-extinguishing differentially entangled nonwoven fabrics The present invention is directed to a hydroentangled nonwoven fabric with improved flame retardant properties and the making thereof, whereby the nonwoven fabric is differentially entangled to collapse upon itself and self-extinguish upon burning. The self-extingui... | 06/03/2008 |
| 7361317 | Single step sterilization wrap system Disclosed herein is a single step sterilization wrapping material suitable for use, as an example, in wrapping surgical instruments and supplies for sterilization, transportation and storage. The material includes separate inner and outer wraps which, unlike previou... | 04/22/2008 |
| 7358204 | Soft, thick, non-linting nonwoven The nonwoven web 10 of the present invention is a layered structure that takes advantage of the beneficial properties of different types of fibers advantageously distributed in each layer. In particular, the present invention is a multi-layer nonwoven web sui... | 04/15/2008 |
| 7329621 | Stretchable film laminates and methods and apparatus for making stretchable film laminates Stretchable film laminates including a layer of elastomeric openwork, such as a plurality of elastic strands or an elastomeric mesh structure. The stretchable film laminates may include a film layer bonded to the layer of elastomeric openwork, with the film layer ha... | 02/12/2008 |
| 7314497 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 01/01/2008 |
| 7311376 | Imaging device and method An imaging device is disclosed that includes a drum platen having a recess. A loading mechanism for loading an absorber into the recess and a pen is configured to eject ink on the absorber while the absorber is in the recess. ... | 12/25/2007 |
| 7309372 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 12/18/2007 |
| 7309668 | Multiple layer directionally oriented nonwoven fiber material and methods of manufacturing same Disclosed herein are embodiments of a multi-layer nonwoven fiber material, and related methods of manufacturing the material. In one exemplary embodiment, the fiber material includes a first layer of directionally aligned fibers together with a second layer of rando... | 12/18/2007 |
| 7271113 | Composite with an absorbent layer The present invention relates to a multilayer product 1 having at least one first layer 2, an absorbent intermediate layer 3 and a second layer 4, whereby at least the first layer 2 contains at least one first material 5 and... | 09/18/2007 |
| 7176150 | Internally tufted laminates The present invention provides an internally-tufted laminate adapted to provide improved softness and cloth-like feel. ... | 02/13/2007 |
| 7166365 | Exterior finishing system including a bond-compatible composite membrane An exterior finishing system including a bond-compatible composite membrane having a first self-adhesive material layer and a second rough fabric layer, and its use as an intermediate layer between a building structure substrate and exterior finishing materials is p... | 01/23/2007 |
| 7135096 | Press felt with improved dewatering capability A press felt for use in the press section of a papermaking machine is provided. The press felt includes a base fabric layer and at least one layer of a staple fiber batt material connected thereto. The staple fiber batt material is includes between 20% to 100% by we... | 11/14/2006 |
| 7070884 | Separator with improved barrier performance The present invention is directed to a nonwoven composite fabric for use on batteries or fuel cells comprising one or more layers of fine denier spunbond filaments and at least one layer of barrier material, wherein said nonwoven composite fabric has an improved bar... | 07/04/2006 |
| 7067585 | Hot melt adhesive composition based on a random copolymer of isotactic polypropylene A hot melt adhesive composition is based on an isotactic polypropylene random copolymer (RCP). The composition contains about 4%–50% by weight of the RCP copolymer, about 20%–65% by weight of a compatible tackifier, about 0%–40% by weight of a plasticizer, abo... | 06/27/2006 |
| 7037569 | Laminate web comprising an apertured layer and method for manufacturing thereof A laminate web comprising a first web, a second web joined to the first web at a plurality of discrete bond sites; and a third material disposed between at least a portion of the first and second nonwovens. The third material is apertured in regions adjacent the bon... | 05/02/2006 |
| 6992131 | Adhesives This invention relates to an adhesive including (a) a copolymer including butene, at least 40 mol % propylene, and from 0 to 30 mol % of a termonomer selected from ethylene and C5 to C20 linear, branched or cyclic alpha olefins, wherein the cop... | 01/31/2006 |
| 6989080 | Nonwoven neutral line dryer fabric A nonwoven papermaker's fabric, usable in the dryer section of a paper machine, has a spiral wound machine direction (MD) base layer of raw stock which is wound around a pair of parallel rolls or cylinders until the desired length and width is achieved. The spiral w... | 01/24/2006 |
| 6960655 | Articles having an odor control system comprising a cationic polysaccharide and an odor controlling agent The present invention relates to articles suitable for controlling odors, especially odors associated with bodily fluids, which comprise a cationic polysaccharide, preferably chitosan material, together with an odor controlling agent, preferably an odor absorbent ag... | 11/01/2005 |
| 6916750 | High performance elastic laminates made from high molecular weight styrenic tetrablock copolymer An elastic laminate is provided which has an elastic layer and one or two outer facing layers. The elastic layer is formed from an improved styrene-(ethylene-butylene)-styrene-(ethylene-butylene) tetrablock copolymer, or a blend of the copolymer. The copolymer has a... | 07/12/2005 |
| 6912824 | Apparatus, composition and method for finishing a drywall installation An apparatus and method are disclosed for finishing a drywall installation which includes providing drywall mud; providing a continuous twisted strand having a plurality of layers of nonwoven fibrous cellulosic material, wherein at least one individual layer of the ... | 07/05/2005 |
| 6903034 | Hydroentanglement of continuous polymer filaments A nonwoven fabric comprises continuous polymer filaments of 0.5 to 3 denier that have been hydroentangled in a complex matrix for interconnecting filament loops, and that is otherwise substantially free of knotting, or of otherwise wrapping about one another. A proc... | 06/07/2005 |
| 6896669 | Composite absorbent members A composite absorbent member containing layers that have a controlled pore size distribution is provided. For example, in some embodiments, the composite absorbent member has an inner layer and two outer layers, in which the inner layer has a higher weight percentag... | 05/24/2005 |
| 6884494 | Laminate web A laminate web is disclose, the laminate web comprising a first web, a second web joined to the first web at a plurality of discrete bond sites; and a third material disposed between at least a portion of the first and second nonwovens. The third material is apertur... | 04/26/2005 |
| 6878433 | Applications for laminate web A laminate web and several uses of the laminate web are disclosed. The laminate web comprises a first web, a second web joined to the first web at a plurality of discrete bond sites; and a third material disposed between at least a portion of the first and second we... | 04/12/2005 |
| 6863960 | User-activatible substance delivery system A user-activatible substance delivery system of the present invention comprises a first web and a second web, the first and second webs having a periphery and being enclosed about their respective peripheries and defining a void space therein. A substance for delive... | 03/08/2005 |
| 6835448 | Friction material designed for fitting to a device employing friction in a liquid medium, and a method of producing such a friction material and the device to which it is fitted A friction material for a liquid medium, according to the invention, consists of a fibre mat impregnated with a thermosetting resin, the fibres having a length of at least 12 mm. The method of producing such a material includes the following steps: ... | 12/28/2004 |
| 6830800 | Elastic laminate web An elastic laminate web is disclosed. The elastic laminate web can be non-apertured or apertured, and comprises a first web, and a second web joined to the first web in a face to face relationship at a plurality of discrete bond sites having an aspect ratio of at le... | 12/14/2004 |
| 6831025 | Multiple component spunbond web and laminates thereof A spunbond nonwoven fabric is provided which is formed from continuous multiple component filaments which include a polyester component and a polyethylene component. The polyethylene component is a blend of high density polyethylene and a first linear low density po... | 12/14/2004 |
| 6809047 | Composite non-woven ink absorber A composite non-woven needlefelt ink absorber that is particularly suited for use with an ink jet printer to absorb and disperse waste ink utilizes at least two distinct layers. The layer initially contacted by the ink is low density/course denier. The final ink rec... | 10/26/2004 |
| 6808791 | Applications for laminate web A laminate web and several uses of the laminate web are disclosed. The laminate web comprises a first web, a second web joined to the first web at a plurality of discrete bond sites; and a third material disposed between at least a portion of the first and second we... | 10/26/2004 |
| 6777056 | Regionally distinct nonwoven webs Composite nonwoven webs are provided having two distinct regions extending adjacent one another in the machine direction of the web; the first region is formed from first continuous filaments and the second region is formed from second continuous filaments. The inte... | 08/17/2004 |
| 6774069 | Hot-melt adhesive for non-woven elastic composite bonding Hot-melt adhesive compositions of atactic polypropylene and isotactic polypropylene are particularly suitable for bonding non-woven elastic composites. A selected amount of isotactic polypropylene is blended with a selected amount of atactic polypropylene to prepare... | 08/10/2004 |
| 6756332 | Vehicle headliner and laminate therefor A headliner made from a laminate comprising a core layer sandwiched between two stiffening layers to form an I-beam construction that provides the necessary strength for the headliner. The core layer is preferably a blend of nonwoven fibers including some fine denie... | 06/29/2004 |
| 6756327 | Loop fastening component made from thermally retracted materials A loop component of a hook and loop fastener made of a fibrous, thermally retracted material. A method of making the loop component includes heating one side of a fibrous, thermally retractable material to a high enough temperature to cause the material to retract, ... | 06/29/2004 |
| 6746974 | Web material comprising a tackifier The present invention provides a web material useful as a tack pad comprising a non-woven cross-laid web which is needle-tacked and at least one of chemically or thermally-bonded and at least one major surface of which is impregnated with a tackifier. The invention ... | 06/08/2004 |
| 6737368 | Multiple threat penetration resistant articles The present invention relates to multiple threat penetration resistant articles. The articles include, in order, fabric layers, polymer impregnated fabric layers, and woven fabric layers. The articles can additionally include tightly woven fabric layers which define... | 05/18/2004 |
| 6716498 | Applications for substance encapsulating laminate web A substance encapsulation system capable of being apertured under a tensioning force comprises a first web and a second web. A powdered, granular, particulate, or gel substance can be disposed between the first and second webs. Upon application of a sufficient force... | 04/06/2004 |
| 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 |
