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 |
| 7294396 | Adhesive tape having one side coated with an adhesive, and no surface treatment on the opposite side A self-adhesive tape comprising an oriented polyolefin film, one side of which is coated with an adhesive layer formed from a mixture of 30-65 wt. % of a natural rubber latex and 35-70 wt. % of an aqueous dispersion of a hydrocarbon resin, and the opposite side of w... | 11/13/2007 |
| 7152642 | Tire for a vehicle wheel and process for producing the tire A tire for a vehicle wheel includes at least one first component and at least one second component. The at least one first component includes a first elastomeric material crosslinked in substantial absence of sulfur. The at least one second component includes a seco... | 12/26/2006 |
| 7067189 | Adhesion promoters with epoxy-reactive groups An adhesion promoter comprises a polymeric strand with an epoxy-reactive group other than a phenolic hydroxyl group, and a crosslinking group that crosslinks the polymeric strand with a rubber in a crosslinking reaction, wherein the polymeric strand is water soluble... | 06/27/2006 |
| 7060157 | Method for producing undergarments by using glued joints The present invention relates to a method for the production of undergarments free of seams with high wearing and support comfort. ... | 06/13/2006 |
| 6890396 | Method of manufacturing unvulcanized adhesive waterproof sheet and construction method using the same A method of manufacturing an unvulcanized adhesive waterproof sheet for performing a waterproof construction, and a construction method using the sheet are described. In the manufacturing method, a rubber main material composed of natural rubber and/or synthetic rub... | 05/10/2005 |
| 6855791 | Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds A process for curing a natural or synthetic rubber includes the measuring of curing conditions by dielectric or impedance means to produce a process curve (impedance property data versus time) followed by analyzing the process curve with a software algorithm which d... | 02/15/2005 |
| 6780271 | METHOD FOR CONTINUOUS, SOLVENT AND MASTICATION-FREE PRODUCTION OF PRESSURE-SENSITIVE SELF-ADHESIVE MATERIALS BASED ON NON-THERMOPLASTIC ELASTOMERS AND THEIR COATING FOR THE PRODUCTION OF SELF-ADHESIVE ARTICLES Process for the continuous solvent-free and mastication-free production of self-adhesive compositions based on non-thermoplastic elastomers in a continuously operating apparatus having a filling section and a compounding section, comprising a) feeding the sol... | 08/24/2004 |
| 6780922 | Adhesion promoters with epoxy-reactive groups An adhesion promoter comprises a polymeric strand with an epoxy-reactive group other than a phenolic hydroxyl group, and a crosslinking group that crosslinks the polymeric strand with a rubber in a crosslinking reaction, wherein the polymeric strand is water soluble... | 08/24/2004 |
| 6758937 | Method for mounting shock absorbing material A shock absorbing material for automobiles, having extremely good shock absorbing properties, capable of absorbing shocks applied to a passenger in a car at the time of a crash, or the like, and reducing the head injury criteria, comprising a rigid polyurethane foam... | 07/06/2004 |
| 6589666 | Load-bearing structure Load-bearing structure comprising at least two layers (10, 20, 155, 160, 300, 310) joined by a bond line having a thickness of t mm, a shear strength of T N/mm2, and comprising a sheet (30, 130, 320) made of an elastic material having a shear m... | 07/08/2003 |
| 6565703 | Adhesive tape particularly for packaging use A unilaterally self-adhesively coated adhesive tape, comprising a. a film based on oriented polyolefins, in which that side of the film remote from the adhesive layer exhibits no surface treatment, b. an adhesive layer applied to one side of the film, prepared from... | 05/20/2003 |
| 6498547 | Anisotropically electroconductive adhesive and a ladder filter using the same An anisotropically electroconductive adhesive comprising a thermosetting insulating adhesive mixed with electroconductive particles, the thermosetting insulating adhesive having an intrinsic acoustic impedance of about 1.4 MPa.multidot.s/m or less is prov... | 12/24/2002 |
| 6475324 | Plate mounting tape A plate mounting tape with a self-adhesive composition on both sides of a polyolefin substrate, in particular PE foam film substrate having low variation in thickness and having a compressive stress value of 10-80, in particular 10-50 N/cm2 und... | 11/05/2002 |
| 6433091 | Adhesive composition A methacrylate ester or acrylate ester two-part reactive adhesive composition including vinyl-terminated liquid rubber and polymeric elastomer. The vinyl-terminated liquid rubber is preferably methacrylate-terminated or acrylate-terminated polybutadiene; ... | 08/13/2002 |
| 6319352 | Sprayable dispersion and process for elastic adhesion of two substrate surfaces Boric acid is mixed, preferably at 0.1 to 10 w. % in relation to the solid content, into a sprayable dispersion based on an acrylic acid ester copolymer and a colloidal chloroprene polymerisate. The spray is applied to at least one or both substrate surfaces, ... | 11/20/2001 |
| 6261396 | Methods and compositions for repairing hosiery The subject invention pertains to compositions comprising a rubber-like polymer and low boiling point alkanes which can be used to provide a flexible, durable, permanent repair for snags, holes, runs or ladders in hosiery such as pantyhose and nylon stock... | 07/17/2001 |
| 6217696 | Plate mounting tape A plate mounting tape with a self-adhesive composition on both sides of a polyolefin substrate, in particular PE foam film substrate having low variation in thickness and having a compressive stress value of 10-80, in particular 10-50 N/cm2 und... | 04/17/2001 |
| 6206997 | Method for bonding heat sinks to overmolds and device formed thereby A method for bonding heat sinks to packaged electronic components comprises the steps of: (a) exposing to a plasma a surface of a molded polymer formed on a substrate; (b) allowing the plasma to at least partially convert silicon-containing residue on the... | 03/27/2001 |
| 6166110 | Process for preparing pressure sensitive adhesives A method for producing a pressure sensitive adhesive composition includes at least one elastomer that produces a substantially homogeneous pressure sensitive adhesive composition. The method is particularly well suited for relatively high throughput conti... | 12/26/2000 |
| 5858150 | Pressure-sensitive adhesive based on partially oriented and partially crystallized elastomer A pressure-sensitive adhesive comprises an elastomer having a partially oriented and partially crystallized elastomer component. Articles comprising the pressure-sensitive adhesive on a backing or substrate are also disclosed, as are methods of preparing ... | 01/12/1999 |
| 5810960 | Paint film-protective sheet An adhesive-backed sheet for protecting painted surfaces comprising a supporting substrate having formed thereon a rubber-based pressure-sensitive adhesive layer compounded with a fatty acid glycerol ester.... | 09/22/1998 |
| 5610239 | Two component adhesive A two component adhesive comprising a natural or synthetic rubber first component and a second component capable of destabilizing the natural or synthetic rubber first component slowly can be utilized in conventional application equipment designed for app... | 03/11/1997 |
| 5425832 | Surface treatment of fluoropolymer members and preparation of composite products therefrom Tightly integrated composite products are obtained by treating a fluoropolymer member on its surface with atmospheric pressure glow discharge plasma in a helium gas atmosphere containing 97% by volume or more of helium gas, and joining another member of r... | 06/20/1995 |
| 5409648 | Process for producing multi-layer molded bodies A process is disclosed for producing multiple-layer moulded bodies by injection of a laminate (16) composed of an essentially flexible, foil-like surface material (19) such as leather or textiles, and a foam layer (22) laminated on the back side of the su... | 04/25/1995 |
| 5104476 | Adhesion method for rubber articles Two vulcanizates are adhered to each other by (I) applying a particular rubber cement composition to surfaces of the vulcanizates to be adhered and drying it; and (II) sandwiching an unvulcanized rubber sheet of a particular cushion rubber composition bet... | 04/14/1992 |
| 4943332 | Method for production of liquid center ball for golf ball Disclosed is a method of producing a liquid ball for golf ball, which is characterized in that an adhesive is coated on the edge surfaces of a pair of bag rubber hemispheres and then the said pair of hemispheres are combined in a liquid material and there... | 07/24/1990 |
| 4933235 | Protective pipewrap system containing a rubber-based coating composition Novel rubber-based adhesive coatings adapted for use as a primer coating for pipelines, which coatings include a reagent which inhibits formation of hydroxide ions resulting from electrons generated by cathodic protection, and novel protective pipewrap sy... | 06/12/1990 |
| 4907564 | Wire saw A plurality of abrasive sleeves (3) surround a wire rope (2) and are spaced at predetermined intervals longitudinally of the wire rope. An elastic material (4) of rubber such as natural rubber is formed between the abrasive sleeves in such a manner as to ... | 03/13/1990 |
| 4889891 | Novel rubber compounding resorcinolic resins Rubber compounding novalak type resins are prepared by reacting (A) an alkyl substituted resorcinol or phenol prepared by reacting at least one of the compound of the formula ##STR1## wherein R1 and R2 may be the same or differe... | 12/26/1989 |
| 4885039 | Method of connecting a metal end fitting to an insulator component having an elastomer end fin and an organic electrical insulator obtained by the method A metal end fitting (13) is hermetically sealed to an end fin (4) of an insulator component (1) which includes an insulating rod (2) surrounded by fins (4) of vulcanized elastomer by coating at least one layer of rubber/metal gluing agent on the bottom po... | 12/05/1989 |
| 4803109 | Method for protection and waterproofing of stitch lines in padding and padded garments A method of waterproofing the stitch lines of padding material having a high degree of thermal insulation, usable in clothing and the like comprises the step of applying a tape composed of a support layer of polyamide fibre fabric, a waterproofing layer o... | 02/07/1989 |
| 4755550 | Readhering and removable adhesive A gelled solid adhesive for coating substrates, typically paper. The adhesive can be made available in stick form and is easily applied in even coats to any surface area of the substrate. The adhesive has sufficient tack enabling the coated substrate to i... | 07/05/1988 |
| 4709781 | Sound-damping and heat-insulating composite plate A sound-damping composite panel with elastic properties is provided by disposing a prefabricated porous core made from rubber granules or scrap, e.g. rubber tire scrap, between a pair of metal layers or sheets, e.g. of aluminum, and adhesively bonding the... | 12/01/1987 |
| 4704176 | Method of bonding polyurethane to cured rubber A method of preparing a composite of polyurethane bonded to the surface of a cured rubber substrate and the resulting composite. The method is comprised of first applying to a cleaned, cured rubber surface a coating of methylmethacrylate-natural rubber gr... | 11/03/1987 |
| 4684685 | Readhering and removable adhesive A gelled solid adhesive for coating substrates, typically paper. The adhesive can be made available in stick form and is easily applied in even coats to any surface area of the substrate. The adhesive has sufficient tack enabling the coated substrate to i... | 08/04/1987 |
| 4657960 | Readhering adhesive A gelled solid adhesive for coating substrates, typically paper. The adhesive can be made available in stick form and is easily applied in even coats to any surface area of the substrate. The adhesive has sufficient tack enabling the coated substrate to i... | 04/14/1987 |
| 4647332 | Method and apparatus for laminating foil to a substrate A thin foil or film is laminated to a substrate with an adhesive layer therebetween thicker than the surface roughness of the substrate, the laminating and drying of the adhesive being effected with the foil contacting a smooth contact surface under a con... | 03/03/1987 |
| 4644026 | Readhering and removable adhesive A gelled solid adhesive for coating substrates, typically paper. The adhesive can be made available in stick form and is easily applied on even coats to any surface area of the substrate. The adhesive has sufficient tack enabling the coated substrate to i... | 02/17/1987 |
| 4551392 | Composite materials and composite building elements based on EP(D)M Composite materials and composite building elements have two layers: (1) a layer obtained from a vulcanizable composition based on EP(D)M and (2) a layer obtained from a vulcanizable composition based on an elastomer component consisting of 5-50% by weight of a pol... | 11/05/1985 |
| 4472231 | High shear resistant pipewrap anti-corrosion system An anticorrosion and high shear resistant pipewrap system is described wherein a pipe surface is first coated with a primer comprised of natural rubber, resins, and a metal oxide activator dispersed in an organic solvent. The primer-coated pipe is then ov... | 09/18/1984 |
