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 |
| 7708851 | Process of producing a ceramic matrix composite article and article formed thereby A CMC article and process for producing the article to have a layer on its surface that protects a reinforcement material within the article from damage. The method entails providing a body containing a ceramic reinforcement material in a matrix material that contai... | 05/04/2010 |
| 7497918 | Method of siliciding thermostructural composite materials, and parts obtained by the method Within the pores of a porous thermostructural composite material, there is form an aerogel or xerogel made up of a precursor for a refractory material, the precursor is transformed by pyrolysis to obtain an aerogel or xerogel of refractory material, and then it is s... | 03/03/2009 |
| 7273095 | Nanoengineered thermal materials based on carbon nanotube array composites A method for providing for thermal conduction using an array of carbon nanotubes (CNTs). An array of vertically oriented CNTs is grown on a substrate having high thermal conductivity, and interstitial regions between adjacent CNTs in the array are partly or wholly f... | 09/25/2007 |
| 7252726 | Method for preparing a fabric substantially consisting of carbon fibers A method for preparing a carbon fiber fabric impregnated with a thermoplastic plastic including providing a fabric which substantially consists of carbon fibers with a coating of an epoxy material without curing agent; bringing the fabric to a temperature in the ran... | 08/07/2007 |
| 7247212 | Orthogonal weaving for complex shape preforms An orthogonal stitch-weave method and fiber architecture. The architecture allows near-net-shape composite preforms to be fabricated, thereby reducing costs associated with complex preform shapes and increasing desired strengths of the composite. ... | 07/24/2007 |
| 7238247 | Method of making a multi-perforated part out of ceramic matrix composite material A fiber preform for constituting the fiber reinforcement of composite material is prepared and then consolidated by depositing sufficient matrix phase therein to bond the fibers together while not completely densifying the preform. Pins of rigid material are put int... | 07/03/2007 |
| 7198739 | Manufacture of thick preform composites via multiple pre-shaped fabric mat layers Preform for carbon-carbon composite part (55) comprising multiple layers of fibrous mats (51, 52, 53) wherein each mat (51, 52, 53) comprises random carbon-containing fibrous matrix (11) having polymeric binder distributed therein and whe... | 04/03/2007 |
| 7195713 | Material for chromatography Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof. Packing materials for packing columns used in chromatographic separations ... | 03/27/2007 |
| 7180174 | Nanotube modified solder thermal intermediate structure, systems, and methods An apparatus and system, as well as fabrication methods therefor, may include a thermal intermediate structure with metal decorated carbon nanotubes incorporated in solder. ... | 02/20/2007 |
| 7175787 | Method for producing a fiber composite component, and apparatus for producing such a component The invention relates to a method for producing a fiber composite component having at least one intersection point. An apparatus for producing a component, comprising fiber composite material, including lower and upper dies of a pressing tool and optionally a heat s... | 02/13/2007 |
| 7168484 | Thermal interface apparatus, systems, and methods An apparatus and system, may include a thermal interface material comprised of an array of carbon nanotubes and a buffer layer disposed between the thermal interface material and one of a die or a heat spreader. In some embodiments the carbon nanotubes may be formed... | 01/30/2007 |
| 7134476 | Process for the production of a braking band of a brake disk with ventilation ducts and a braking band produced by this process A process for the production of a braking band having ventilation ducts comprises the steps of a) moulding a core of metallic material, b) inserting the core in a mould, in a central position, c) filling the mould with at least two layers of material which are to fo... | 11/14/2006 |
| 7067077 | Process for manufacturing friction material suitable for use as brake lining Carbon-silicon carbide brake preforms are manufactured by carbonizing a blend of carbon (e.g., polyacrylonitrile) fibers and thermosetting pitch resin, optionally along with a lubricant such as graphite,.to provide an intermediate product having open porosity and su... | 06/27/2006 |
| 7063812 | Consolidation and densification methods for fibrous monolith processing Methods for consolidation and densification of fibrous monolith composite structures are provided. Consolidation and densification of two- and three-dimensional fibrous monolith components having complex geometries can be achieved by pressureless sintering. The fibr... | 06/20/2006 |
| 7052632 | Making a needled fiber preform for fabricating a composite material part A fiber preform constituting fiber reinforcement of a composite material part that is to be fabricated is made by superposing and bonding together fiber plies, and by densifying the needled preform by introducing a material constituting the matrix of the composite m... | 05/30/2006 |
| 7048996 | Temperature resistant material comprising short metal fibers A temperature resistant material, comprising a temperature resistant matrix and a set of short metal fibers, which characterized in that the set of short metal fibers represents at least 0.5% by weight of the temperature resistant material. The set of short metal fi... | 05/23/2006 |
| 7045219 | Short metal fibers The present invention relates to short metal fibers. A set of short metal fibers, with an equivalent diameter ranging from 1 to 150 $(m)m, comprises entangled and curved fibers. At least 10% of the short metal fibers are entangled, whereas the length of the curved f... | 05/16/2006 |
| 7008534 | Material for chromatography Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof. Packing materials for packing columns used in chromatographic separations ... | 03/07/2006 |
| 6979377 | Method for producing components from fiber-reinforced composite ceramic and methods for using the components A method produces components from high-temperature-proof fiber reinforced composite ceramics from tapes containing carbon fibers. Heating and simultaneously compacting under the influence of pressure and temperature produces a force-locking connection in the region ... | 12/27/2005 |
| 6908660 | Shaped body made of fiber-reinforced composites having a segmented covering layer, its production and its use The present invention relates to shaped bodies made of fiber-reinforced ceramic composites and comprising a core zone and at least one covering layer which has a coefficient of thermal expansion which is higher than that of the core zone. The covering layer is an Si... | 06/21/2005 |
| 6902759 | Technique for coating or marking glass strands A method for providing a metallic coating on glass strands or organically precoated glass strands comprising the steps of coating the glass strand (or organically precoated glass strand) with a metallorganic material, heating the metallorganically coated glass stran... | 06/07/2005 |
| 6899777 | Continuous fiber reinforced composites and methods, apparatuses, and compositions for making the same A process for continuous composite coextrusion comprising: (a) forming first a material-laden composition comprising a thermoplastic polymer and at least about 40 volume % of a ceramic or metallic particulate in a manner such that the composition has a substantially... | 05/31/2005 |
| 6818085 | Fiber-reinforced structural component A process for producing a fiber-reinforced, ceramic structural component comprising high-temperature resistant fibers which are reaction-bonded to a matrix of silicon carbide comprises the steps of coating bundles of fibers with pyrolysable binder and solidifying th... | 11/16/2004 |
| 6797094 | Process for the production of a braking band with venting passages and braking band obtained with said process The present invention relates to a process for the production of a braking band for a brake disk with venting passages and to a braking band which can be produced by the process. The process comprises the following steps: molding a core (200) of the br... | 09/28/2004 |
| 6773528 | Process for producing fiber-reinforced-silicon carbide composites A process produces a fiber-reinforced silicon carbide composite. The resulting composite has a high toughness where bundles of a reinforcing fiber are densely covered with glassy carbon derived from a resin to avoid deterioration of the strength, and it can easily b... | 08/10/2004 |
| 6723193 | Friction body of silicon-infiltrated, carbon fiber-reinforced porous carbon and method for making same A friction body of porous carbon, which is infiltrated with silicon and reinforced with carbon fibers, includes at least one separate friction layer on a core body. In order to protect the friction layer against damage by outbreaking, carbon fibers in the friction l... | 04/20/2004 |
| 6627019 | Process for making ceramic matrix composite parts with cooling channels A ceramic matrix composite part having elongated cooling channels within the wall thereof is manufactured by inserting decomposable inserts within a woven ceramic fiber preform. The inserts are tows of continuous carbon fibers surrounded by a carbonaceous... | 09/30/2003 |
| 6610385 | Integral surface features for CMC components and method therefor A component formed at least in part by a CMC material and equipped with an integrally-formed surface feature, such as an airflow enhancement feature in the form of a turbulator or flow guide. The CMC material comprises multiple sets of tows woven together... | 08/26/2003 |
| 6576076 | Process for producing fiber-reinforced silicon carbide composites A fiber-reinforced silicon carbide composite is produced by preparing a fiber prepreg containing a powdered silicon and a resin and molding the prepreg to yield a green body having a desired shape, or laminating a fiber prepreg containing a resin and a wo... | 06/10/2003 |
| 6531011 | Brake unit having a nonmetallic brake disc of ceramic and a hub of a different material A brake unit having a brake disc of ceramic and a hub of a different material, which radially overlap one another with their mutually facing rims and are mechanically joined by a wreath-type rim of mounting bolts that axially penetrate the overlapping rim... | 03/11/2003 |
| 6436221 | Method of improving field emission efficiency for fabricating carbon nanotube field emitters A method of CNT field emission current density improvement performed by a taping process is disclosed. The method comprises following steps. First of all, a conductive pattern coated on a substrate by screen-printing a conductive slurry containing silver ... | 08/20/2002 |
| 6328834 | Process for producing bodies made of fiber-reinforced composites A process for producing bodies made of fiber-reinforced composites from fiber-reinforced precursor bodies having a porous carbon matrix, in particular from C/C bodies, includes (1) mixing fibers, fiber bundles or fiber agglomerates based on carbon, nitrog... | 12/11/2001 |
| 6132542 | Method of fabricating hybrid ceramic matrix composite laminates A hybrid CMC laminate is comprised of alternating layers of dense ceramics and fiber reinforced CMCs. The strategy involves the use of strong and stiff ceramics in order to delay the onset of cracking within the CMC layers. To provide protection from mech... | 10/17/2000 |
| 6039823 | Composite article The graphitized composite article of the present invention is formed by embedding carbon fiber felt in a matrix of a carbon filler; a thermosetting resin and a solvent; curing the composite article; then, carbonizing and graphitizing the cured composite a... | 03/21/2000 |
| 5972157 | Joining of rough carbon-carbon composites with high joint strength Carbon--carbon composite parts are joined with minimum surface preparation. A reactive-bonding joint interlayer having thickness greater than 1 mil is formed of fine particles of carbide-forming metallic ingredients and carbon. The joint interlayer is san... | 10/26/1999 |
| 5942064 | Process for permanently joining at least two structural components together to form a molded body A process is provided for permanently joining at least two structural components together to form a molded body, in which a carbon-containing paste is introduced between the structural components to be joined and heated to form a carbon skeleton. This ske... | 08/24/1999 |
| 5935359 | Process for producing carbonaceous preform A carbonaceous preform, which is free from such drawbacks as delamination and is superior in formability and mass productivity, can be obtained by a process comprising the steps of fixing a laminate of stacked carbon fibers with a fixing jig in the absenc... | 08/10/1999 |
| 5893955 | Process for the production of a panel of the honeycomb type and carbon/carbon or carbon/ceramic composite A process for the production of a panel, of the honeycomb support type clad on opposite sides with a skin of carbon/carbon or carbon/ceramic composite. A honeycomb support is produced by pyrolysis of a carbon cloth pre-impregnated with a thermosetting res... | 04/13/1999 |
| 5837081 | Method for making a carbon-carbon composite A carbon-carbon composite is provided comprising a preform containing interwoven mats of graphitized vapor grown carbon fibers. The mat comprises semi-aligned, semi-continuous vapor grown carbon fibers which have been interwoven in situ during growth. The... | 11/17/1998 |
| 5589115 | Method for making fiber-reinforced ceramic matrix composite Fiber-reinforced ceramic matrix composites are fabricated by a process wherein a fiber reinforcement material, preferably in the form of a fiber array or ribbon of parallel-aligned monofilament fibers, is combined with multiple sheets of ceramic matrix ma... | 12/31/1996 |