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 |
| 7351472 | Waterproofing and airtight pressure-sensitive adhesive tape The waterproofing and airtight pressure-sensitive adhesive tape is a pressure-sensitive adhesive tape containing a substrate having a pressure-sensitive adhesive layer on one side thereof, wherein the substrate is a rubber-made sheet; a film layer having non-self-ad... | 04/01/2008 |
| 7219479 | Avoiding cracking and curling in concrete flooring upon which water-based adhesives are employed The invention provides a method for making a concrete floor slab using sub-grade waterproofing in a manner that favors the use of water-based adhesives for affixing floor covering materials. The method comprises casting a hydratable cementitious composition onto a f... | 05/22/2007 |
| 6972151 | Magic slate capture and display device A device for forming erasable images on a reusable medium, comprising: an erasing portion; and a writing portion; wherein the erasing portion comprises a separator for separating at least two layers of the reusable medium; and wherein the writing portion comprises a... | 12/06/2005 |
| 6964797 | Laminated package material, method for manufacturing the same, and a package The present invention relates to a laminated packaging material suitable for use especially in heat-sealable packages for liquid food, such as milk, cream and juice cartons, and to a manufacturing method of the material, and to a food package manufactured of the mat... | 11/15/2005 |
| 6962363 | Multiple chamber airbags and methods A two or more chambered airbag provides much improved safety and/or performance. A modified single chamber airbag can be used as the primary chamber of the two-chamber airbag. A piece of fabric of appropriate size is sewn to the inside or outside surface of the fron... | 11/08/2005 |
| 6902785 | Laminar structure A laminar structure is disclosed that comprises a tacky mastic at least partially in contact with a ultra-violet (UV) light and moisture barrier. The structure can be employed for protecting a wide range of substrates such as wood, metal, concrete, cement, among oth... | 06/07/2005 |
| 6783831 | Sanitary, liquid resistant, disposable, adhesive sided, folded placemat This place is made of cellulosic material with a top and bottom planar surface and a peripheral edge. Approximately 75% of the bottom surface is covered with adhesive to keep small children from pulling the placemat off the surface it is adhering The top surface is ... | 08/31/2004 |
| 6770355 | Polypropylene film and multilayered laminate The polypropylene film of the present invention satisfies the relationship: TM≧12.5×HST−900, wherein TM is a tensile modulus (MPa) and HST is a heat seal temperature (° C.), and is well-balanced between the tensile modulus and the heat seal temperature, less t... | 08/03/2004 |
| 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 |
| 6706388 | Self-closing packaging material A self-closing package formed from a unitary two-ply or three-ply laminate sheeting having an inner surface which is entirely coated with cohesive material, which has the property of sticking only to itself, and having a first portion and second portion. An article ... | 03/16/2004 |
| 6703120 | Silicone adhesives, articles, and methods The present invention provides silicone-based adhesives, preferably pressure sensitive adhesives, adhesive articles, and methods. Preferably, the articles are cover tapes for analytical receptacles, such as microtiter plates, microfluidic devices, and con... | 03/09/2004 |
| 6699368 | Shoe press belt and manufacturing method To improve the water squeezing function of a shoe press belt for papermaking, the wet web side layer of a main body of the belt is composed of a high molecular weight elastic material, and the wet web facing surface of the wet web side layer is made hydro... | 03/02/2004 |
| 6656557 | Waterproofing membrane and method of manufacture A waterproofing membrane is provided which includes a waterproof synthetic resin film presenting opposed first and second surfaces, and an inner bitumen adhesive supported on the first surface of the film. The membrane is manufactured by heating the bitum... | 12/02/2003 |
| 6652694 | Photocurable resin compound and method of curing the same A sheet-like photocurable resin compound can secure or control a sufficient application time outdoors where the compound is irradiated with natural light and can suppress volatilization of a styrene monomer. This sheet-like photocurable resin compound com... | 11/25/2003 |
| 6638590 | Laminar structure A laminar structure is disclosed that comprises a tacky mastic at least partially in contact with a ultra-violet (UV) light and moisture barrier. The structure can be employed for protecting a wide range of substrates such as wood, metal, concrete, cement... | 10/28/2003 |
| 6638603 | Screen printed coating on water-sensitive film for water protection The present invention is directed to a novel process of making water-sensitive products. In addition, the present invention is directed to water-sensitive products, which maintain their integrity and strength when in use, but dissolve or disperse when pla... | 10/28/2003 |
| 6509075 | Label system A label system having an unique label stock. The label stock includes a water-reducible ink system for forming a water resistant ink label and a scuff resistant protective, clear coat layer. A label carrier, formed from non-absorbent paper or plastic, rec... | 01/21/2003 |
| 6500520 | Particle coated bonding systems for hydratable cementitious composition casting and methods for making same Coated articles, methods for making such articles, and waterproofing systems incorporating these. An exemplary coated article comprises a body with surface coating of inorganic particles reactive with hydroxide generated from hydration of concrete or mort... | 12/31/2002 |
| 6451398 | Double-sided self-adhesive reinforced foam tape A double-sided self-adhesive reinforced foam tape comprising a release liner having upper and lower surfaces which are release surfaces, a first layer of pressure sensitive adhesive applied to the upper release surface, a layer of flexible polymeric film,... | 09/17/2002 |
| 6432516 | Moistureproofing film and electroluminescent device A moistureproof film composed of a transparent multi-layer film having a layer structure that thin metal or nonmetal oxide layers (C) are respectively arranged directly or through an adhesive layer (B) on both sides of a hygroscopic resin layer (A), and h... | 08/13/2002 |
| 6417284 | Adhesion priming composition for fluoropolymer coatings A release coating layer comprising a continuous phase of an organic polymer binder; a discontinuous phase of a fluorinated resin having a molecular weight between 2500 and 10,000,000, wherein the ratio of organic polymer binder to fluorinated resin is bet... | 07/09/2002 |
| 6399191 | Moisture resistant coated metal substrates The present invention relates to coated metal substrates such as metal piping having improved environmental stress crack resistance and resistance to hydrolytic and/or cathodic disbondment. The coating composition contains a blend of modified and unmodifi... | 06/04/2002 |
| 6368687 | Low trauma adhesive article A low trauma pressure-sensitive adhesive coated substrate comprising a sheet material, tape or laminate structure designed to adhere to skin or like surfaces. The pressure-sensitive adhesive layer of this adhesive coated substrate is a fibrous adhesive la... | 04/09/2002 |
| 6355439 | Method for obtaining human skin DNA samples with an adhesive sheet Provided is a method for obtaining human DNA for genetic analysis, by taking the epidermis of testee by means of an adhesive sheet, and by extracting DNA from the epidermis stuck on the adhesive sheet. Provided are also combined sheets for conveniently st... | 03/12/2002 |
| 6335091 | Adhesive tape and products made therefrom A polymeric adhesive tape including a first polymeric adhesive layer which is a heat activated film and a second polymeric adhesive layer which is a heat activated film is disclosed. The tape is designed for use in the fabrication of articles wherein the ... | 01/01/2002 |
| 6335089 | Fibre-clay panel A fiber-reinforced clay panel having low water permeability is made from a mixture of clay and primary clarifier recovered fiber, a waste material produced by pulp mills. The mixture is compressed and dried to form a panel having a rigidity like plywood a... | 01/01/2002 |
| 6333073 | Adhesive tape and products made therefrom A polymeric adhesive tape including a first polymeric adhesive layer which is a heat activated film and a second polymeric adhesive layer which is a heat activated film is disclosed. The tape is designed for use in the fabrication of articles wherein the ... | 12/25/2001 |
| 6284367 | Process for the preparation of nonwoven water blocking tapes and their use in cable manufacture A process for the manufacture of a nonwoven water blocking tape for use in cable manufacture, which process comprises the steps of: (i) forming a coating of an aqueous solution of a water soluble polymer containing anionic groups and a multivalent ionic crossl... | 09/04/2001 |
| 6274238 | Strength improved single polymer conjugate fiber webs The present invention provides a high strength autogenously bonded nonwoven fabric containing single polymer conjugate fibers which have at least two substantially the same component compositions, wherein the component compositions of the fibers contain o... | 08/14/2001 |
| 6224974 | Water resistant, caustically removable coating, paper label and recyclable labeled glass bottle A water resistant, caustically removable coating and method for making the same is disclosed. The coating is utilized to make a paper label which is water resistant but can be repulped in conventional caustic bottle washing solution. The coated paper labe... | 05/01/2001 |
| 6180242 | Laminating adhesive composition An aqueous adhesive composition for wet lamination of substrate layers to form a laminated article includes from about 40 weight percent to about 65 weight percent solids dispersed in an aqueous medium, wherein the solids include a polymer having repeatin... | 01/30/2001 |
| 6103141 | Desiccant deposit An adhesive desiccant deposit comprising a hot melt adhesive and a desiccant dispersed within the hot melt adhesive. The hot melt adhesive has sufficient porosity to allow water molecules to pass into the hot melt adhesive and contact the desiccant. The h... | 08/15/2000 |
| 6087463 | Reactive hot melt adhesive and adhesive composite sheet material A reactive hot melt adhesive containing, as the main component, a blocked prepolymer made by reacting a linear prepolymer having isocyanate groups with a blocking agent, said blocked prepolymer having a number average molecular weight of at least 11,000 a... | 07/11/2000 |
| 5885681 | Molten adhesive fibers and products made therefrom Absorbent products and components for use in absorbent products are disclosed. These absorbent products comprise pressure-sensitive adhesive microfibers and thermoplastic polymer microfibers, that when incorporated into absorbent products provide good liq... | 03/23/1999 |
| 5776605 | Replacement surface and method of installation A replacement surface covering an existing surface conforming surface irregularities of the existing surface to present a top surface with a relatively smooth contour, and a self-curing, waterproof adhesive layer which envelops and seals any cracks on the... | 07/07/1998 |
| 5721136 | Sealing device for thermal cycling vessels A sheet of material seals vessels for biochemical reactions which undergo thermal cycling, and comprises a multilayer composite sheet which is placed over the openings of one or more reaction vessels. The multilayer composite sheet material has at least t... | 02/24/1998 |
| 5714225 | Skin plate product The skin plate product according to the invention is an adhesive, flat skin plate product for use as a semi-manufacture in the production of dressings, skin and wound care devices, fastening means for dressings, ostomy equipment, wound drains and catheter... | 02/03/1998 |
| 5714256 | Method of providing a nonwoven fabric with a wide bonding window There is provided a method of producing a nonwoven fabric with a wide bonding window by forming a nonwoven web from a thermoplastic polymer blend including from about 0.5 weight percent to about 25 weight percent of syndiotactic polypropylene and then the... | 02/03/1998 |
| 5702799 | Slip resistant texture for wet skin contact surfaces A novel texture for providing improved gripping of bare skin on wet surfaces is disclosed. In one embodiment, the novel texture is employed on a swimming pool touchpad assembly (10) at a start/finish end wall (12) of a swimming pool (14). The texture incl... | 12/30/1997 |
| 5654877 | Lead-on-chip integrated circuit apparatus A lead-on-chip integrated circuit assembly comprising at least one extremely thin adhesive layer transferred from a carrier onto the face of an integrated circuit chip, and a lead frame laminated to the last adhesive layer, with cured adhesive acting as a... | 08/05/1997 |
