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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 |
| 7544342 | Hydrogen production process The present invention provides a process for producing hydrogen by passing a hydrocarbon-containing gas over a ceramic monolith at a temperature sufficient to produce hydrogen; and passing an oxygen-containing gas over the ceramic monolith at a temperature sufficien... | 06/09/2009 |
| 7481985 | Method of removing impurities from a gas The present invention provides for a method and apparatus for purifying carbon dioxide. Sulfur species are efficiently and effectively removed from the carbon dioxide by a series of steps which include heater/heat exchange means, impurity adsorption means and coolin... | 01/27/2009 |
| 7470172 | Water reuse in food processing Methods and systems enable reuse of water in processing of animals into food. In one method, water used in processing of animals into food is received. The water is treated so as to convert the water into a treated from capable of being reused in the processing of t... | 12/30/2008 |
| 7438848 | Metallurgical lance A metallurgical lance for introducing gas into a volume of molten material in a furnace includes a head having a bore extending therethrough, a mounting assembly at the head in the bore, and a nozzle detachably secured to the mounting assembly by a connection, the n... | 10/21/2008 |
| 7395823 | Method and apparatus for local fluorine and nitrogen trifluoride production The present invention relates to a process for production, shipment, and treatment of a NH4F(HF)x feedstock for local production of fluorine and NF3 for semiconductor chamber cleaning without the need for storage of large quantities ... | 07/08/2008 |
| 7351275 | Carbon monoxide production process The present invention provides for a process for producing carbon monoxide. A feed gas stream of hydrogen, carbon monoxide and carbon dioxide is directed to a membrane unit which separates the feed gas stream into two streams. The stream containing carbon monoxide i... | 04/01/2008 |
| 7347887 | Oxygen sorbent compositions and methods of using same Composites and methods useful for oxygen sorption and other uses are presented, the composites comprising: (A) one or more crystalline ceramic oxides selected from compounds within general formula (1): AxA′ | 03/25/2008 |
| 7338549 | Oxygen sorbent compositions and methods of using same Compositions and methods useful for oxygen sorption and other uses are presented, the compositions A composite material comprising components (A) and (B), wherein component (A) is selected from crystalline ceramic materials capable of forming a stable, reversible pe... | 03/04/2008 |
| 7332017 | Method and apparatus for separation of moisture from fluids Apparatus and methods useful for removal or reduction of moisture from fluids are described. In one embodiment the apparatus comprises a moisture separation unit comprising a thermally regenerable moisture adsorption material having feed and waste sides, and means f... | 02/19/2008 |
| 7303606 | Oxy-fuel combustion process Production of oxygen-enriched gas streams is disclosed herein. Air streams contact an oxygen-selective mixed conductor particularly a perovskite material whereby oxygen is retained or adsorbed on the perovskite and can be employed in a variety of processes such as i... | 12/04/2007 |
| 7303735 | Process for the removal of contaminants from gas streams The present invention provides for a method and apparatus for removing contaminants from a gas stream such as a flue gas stream from an industrial process. The process utilizes a prescrubber to contact the gas stream before the gas stream contacts an oxidizer in an ... | 12/04/2007 |
| 7296431 | Apparatus and method for freezing food products An apparatus and method of cooling products includes a conveyor for transporting the products, through a refrigeration medium for cooling the products, agitation means disposed proximate to the conveyor for selective, intermittent contact with the conveyor to displa... | 11/20/2007 |
| 7278831 | Apparatus and method for control, pumping and abatement for vacuum process chambers The present invention is an apparatus and method for controlling pressure, pumping a vacuum and providing abatement for a plurality of vacuum processing chambers. The system may be used in semiconductor manufacture. Multiple vacuum processing chambers are exhausted ... | 10/09/2007 |
| 7263858 | Method and apparatus for producing a purified liquid The present invention provides generally a method and apparatus for purifying a liquid. More particularly, purification of a bulk liquid is performed by introducing a liquid stream to a purification vessel, which comprises both a distillation chamber for forming a p... | 09/04/2007 |
| 7263845 | Backup cryogenic refrigeration system Backup refrigeration is provided to a cryogenic refrigeration system comprising multiple cooling loops using a single backup coolant storage vessel. The backup coolant storage vessel is in fluid communication with at least one of the cooling loops, and the cooling l... | 09/04/2007 |
| 7261763 | Method for the recovery and recycle of helium and chlorine Methods for recovering and recycling helium and unreacted chlorine from a process for manufacturing optical fiber are disclosed. Helium-rich and chlorine-rich gas streams are recovered from the consolidation furnace and separated. The helium-rich stream is dried and... | 08/28/2007 |
| 7258226 | Self-stacking spiral conveyor with modular drive system A modular drive system for a self-stacking conveyor belt adapted to travel at least along one non-linear path segment includes at least one drive cassette adapted to removably engage sidelinks on an edge of the conveyor belt, and preferably at least a first drive ca... | 08/21/2007 |
| 7229066 | Apparatus and method for mixing a gas and a liquid An apparatus and method are provided for mixing a gas and a liquid to produce a gaseous vapor of the liquid that is substantially free of droplets. Gas, e.g., carbon dioxide, is divided into first and second streams. The first stream is combined in an atomization zo... | 06/12/2007 |
| 7214331 | Catalyst configuration and methods for syngas production An improved process for the catalytic partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide is disclosed. The process also utilizes a novel catalyst configuration containing at least two serially aligned layers containing a noble metal or transit... | 05/08/2007 |
| 7199581 | Magnetic resonance measuring system determining the mass of samples in a production line with monitored drift compensation Magnetic resonance measurement methods for determining the mass of samples are provided in which magnetic field homogeneity is determined, compensation is provided for potential drifts in the measuring system, and the presence of metal in samples is determined. The ... | 04/03/2007 |
| 7168256 | Apparatus and method for recovery and recycle of optical fiber coolant gas An apparatus and method for recovering and recycling a coolant gas from a heat exchanger. The apparatus comprises a coolant gas recovery section, and analysis section, and a coolant gas blending section. The coolant gas recovery section recovers a coolant gas contai... | 01/30/2007 |
| 7168269 | Gas injection for glass melting furnace to reduce refractory degradation A glass melting furnace has a gas inlet positioned proximate to a charging section oxy-fuel combustion region to introduce gas into the region and to at least partially displace gas having a partial pressure of alkali vapor from the region, and optionally a gas outl... | 01/30/2007 |
| 7159405 | Temperature control of gas filling process The present invention provides for a method and apparatus for controlling and raising the temperature of a fitting used to transfer liquefied gas to a storage vessel. A hollow metal tube containing heated inert gas contacts the fitting such that heat is transferred ... | 01/09/2007 |
| 7147782 | Method and apparatus for metal removal by ion exchange The present invention provides a method for selectively removing metal ions of interest from a solution (12), such as the wastewater from a chemical mechanical polishing process. The method comprises contacting a solution (12) containing solid particle... | 12/12/2006 |
| 7140847 | Integrated high vacuum pumping system The present invention relates to the integration of a TMP with the associated bypass line and valves so that a single sub-assembly is created. The housing of the TMP is significantly modified to accommodate the associated equipment necessary for constructing a high-... | 11/28/2006 |
| 7137279 | Cap assembly and optical fiber cooling process A cap assembly for collecting cooling gas from a coolant chamber tube is disclosed. The cap assembly having connecting means and outlet means extending from its side walls being generally shaped and sized for detachable mounting on the body of the cooling gas chambe... | 11/21/2006 |
| 7134781 | Self-mixing tank A tank comprising a rounded bottom section with an inlet located at the lowest point of the rounded bottom section having openings to direct fluid against the curved side walls to form a circulation cell. An outlet is provided inside the tank located above and in cl... | 11/14/2006 |
| 7128885 | NF3 production reactor A process for the production of nitrogen trifluoride by reacting fluorine gas and liquid ammonia acid fluoride in a first reaction zone having a relatively low energy input followed by treatment of the resulting reaction product in a second reaction zone having a re... | 10/31/2006 |
| 7090826 | Monolith based catalytic partial oxidation process for syngas production An improved process for the catalytic partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide and less than ˜2% carbon dioxide is disclosed. The process further permits the reaction to be initiated at room temperature, and utilizes a metal catalys... | 08/15/2006 |
| 7084627 | Method for triggering NMR measurement in a NMR check weighing system Magnetic resonance methods are provided for determining the mass of samples in vials (1) in a production line, each sample having a net magnetisation capability, including the steps of applying a first magnetic field in a first direction in an interrogation z... | 08/01/2006 |
| 7083510 | Water reuse in food processing Methods and systems enable reuse of water in processing of animals into food. In one method, water used in processing of animals into food is received. The water is treated so as to convert the water into a treated from capable of being reused in the processing of t... | 08/01/2006 |
| 7070752 | Supported perovskite-type oxides and methods for preparation thereof Supported perovskite-type oxides are described. The perovskite-type oxides have the general formula of AxA′x′ByB′y′O3−δ, wherein A is an ion of a metal of Group IIIa or IIIb of the periodic table of e... | 07/04/2006 |
| 7066984 | High recovery carbon monoxide production process The present invention provides for a monolith reactor process for the production of syngas from hydrocarbon and oxygen feeds. The syngas is cooled and separated to produce carbon monoxide and hydrogen, and the purification equipment utilized in this separation proce... | 06/27/2006 |
| 7064548 | RF probe apparatus for NMR check weighing system A radio frequency (RF) probe (10) for a nuclear magnetic resonance check weighing system produces a uniform magnetic field at the center of RF probe (10), has minimal sensitivity to electrical interference from external sources, shapes the magnetic fie... | 06/20/2006 |
| 7061239 | Method for magnetic field tracking in a NMR check weighing system A method (10) insures that the characteristics of the magnetic field used in a magnetic resonance check weighing system (20) for samples in vials (22) on a production line track deviations from the resonant frequency of the sample. The method ( | 06/13/2006 |
| 7055333 | High pressure CO purification and supply system A batch process and apparatus for producing a pressurized liquid carbon dioxide stream includes distilling a feed stream of carbon dioxide vapor off of a liquid carbon dioxide supply; introducing the carbon dioxide vapor feed stream into at least one purifying filte... | 06/06/2006 |
| 7048857 | Method and apparatus for metal removal ion exchange The present invention provides a method for selectively removing metal ions of interest from a solution (12), such as the wastewater from a chemical mechanical polishing process. The method comprises contacting a solution (12) containing solid particle... | 05/23/2006 |
| 7041914 | Method for compensation of near-neighbor sample effects in a NMR check weighing system A method (10) for reducing or eliminating the effects of proximate samples on the NMR measurement of the mass of a test sample in a NMR check weighing system (24) for samples on a production line. The test sample is in a container (22) on a prod... | 05/09/2006 |
| 7021903 | Fore-line preconditioning for vacuum pumps The present invention is an apparatus and method for evacuating a number of vacuum processing chambers containing incompatible gases. The gases are directed to a subatmospheric abatement chamber containing preconditioning devices. The gases are treated in the abatem... | 04/04/2006 |
| 7018584 | Method and apparatus for metal processing A method for metal processing is provided in which a cooling atmosphere comprising hydrogen is used for accelerated cooling of a processed metal part in a furnace, resulting in improved properties for the metal part. A sintering furnace is also provided and comprise... | 03/28/2006 |
