Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7811955 | Method of regenerating a catalyst Platinum is applied on a carrier such as graphite to form a platinum catalyst. The catalyst becomes poisoned with a metal as a result of use of the catalyst in preparation of hydroxylammonium salts. A method of regenerating the catalyst dissolves the platinum and th... | 10/12/2010 |
| 7696119 | Process for producing organic carbonates A process for producing various organic carbonates by performing transesterification and disproportionation reactions in dual vapor/liquid phase mode preferably in the presence of solid catalyst composition selected from the group consisting of oxides, hydroxides, o... | 04/13/2010 |
| 7351396 | Extraction process for removal of impurities from an aqueous mixture A method for removing impurities from an aqueous mixture or purified aqueous by extracting the aqueous mixture or purified aqueous mixture with an extraction solvent in an extraction zone to form an extract stream and the raffinate stream; and optionally separating ... | 04/01/2008 |
| 7282151 | Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration A process is disclosed that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic. More particularly, the process involves recovery of a metal catalyst from an oxidizer purge st... | 10/16/2007 |
| 7238817 | Direct epoxidation process A process is disclosed for reacting an olefin, hydrogen, and oxygen in a reactor in the presence of a catalyst comprising a transition metal zeolite and a noble metal to produce a reaction mixture comprising an epoxide and acidic byproducts. A portion of the reactio... | 07/03/2007 |
| 7195748 | Process for the production of hydrogen peroxide The invention relates to a process for the production of hydrogen peroxide by the anthraquinone process, comprising a hydrogenation stage, an oxidation stage and an extraction stage. According to the invention, catalytic hydrogenation of anthraquinone derivatives di... | 03/27/2007 |
| 7141221 | Apparatus for processing perfluorocarbon An exhaust gas containing a perfluoride component (PFC) and SiF4 is conducted into a silicon remover and brought into contact with water. A reaction water supplied from a water supplying piping and air supplied from an air supplying piping are mixed with ... | 11/28/2006 |
| 7132582 | Catalytic process for the preparation of isolongifolene The present invention relates to a catalytic process for preparation of isolongifolene using nanocrystalline solid super acid. This process is an eco-friendly, single step, solvent free catalytic process for the preparation of a tricyclic sesqui-terpene hydrocarbon,... | 11/07/2006 |
| 7115537 | Process for the regeneration of zeolite catalysts A process for the regeneration of a zeolitic catalyst which is at least partially exhausted by use in the synthesis of optionally substituted methylenedianiline (MDA) and derivatives thereof, or of a mixture of optionally substituted MDA and derivatives thereof, wit... | 10/03/2006 |
| 7087546 | Process for regenerating and rejuvenating additive-based catalysts The present invention pertains to a process for regenerating and rejuvenating an additive-based hydrotreating catalyst containing Group VIB and Group VIII hydrogenation metals. The process comprises the steps of regenerating the catalyst by contacting it with an oxy... | 08/08/2006 |
| 7018447 | Method of cleaning a rotary concentrator A method of cleaning the adsorbent media of a rotary concentrator in-situ while maintaining operation of the concentrator, including directing washing liquid into the sectors in the desorb plenum, then rotating the sectors one full revolution plus at least one secto... | 03/28/2006 |
| 6933257 | Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide Porous microcomposites have been prepared from perfluorinated ion-exchange polymer and metal oxides such as silica using the sol-gel process. Such microcomposites possess high surface area and exhibit extremely high catalytic activity. ... | 08/23/2005 |
| 6905997 | Method for generating catalysts A process is provided for the regeneration of a heterogeneous catalyst used for the preparation of compounds containing NH2 groups by the hydrogenation, with hydrogen, of compounds containing at least one unsaturated carbon-nitrogen bond, wherein ... | 06/14/2005 |
| 6878471 | Process for the regeneration of reforming catalysts The present invention relates to methods for the regeneration of catalytic reactors. In particular it relates to methods for regenerating a fuel-processing catalyst while it is still being used to supply hydrogen to a fuel cell. The temperature of the catalyst may b... | 04/12/2005 |
| 6878654 | Reactivation of aromatics alkylation catalysts The present invention provides a process for regenerating a spent aromatics alkylation or transalkylation catalyst comprising a molecular sieve by contacting the spent catalyst with an oxygen-containing gas at a temperature of about 120 to about 600° C. and then co... | 04/12/2005 |
| 6872859 | Process for the preparation of bisphenols with zeolites The present invention relates to a process for preparing bisphenols which comprises reacting a carbonyl compound containing at least two carbon atoms with an aromatic compound, containing a hydroxyl group and at least one hydrogen atom bound to the aromatic ring, in... | 03/29/2005 |
| 6872678 | Process for activating a catalyst containing an S-containing additive The present invention pertains to a process for activating a catalyst composition comprising at least one hydrogenation metal component of Group VI and/or Group VIII of the Periodic Table, and an S-containing organic additive, wherein the catalyst is contacted with ... | 03/29/2005 |
| 6683015 | Method for reactivating a catalyst composition The present invention is directed to a method for reactivating a deactivated carbonylation catalyst composition previously used in a carbonylation reaction involving an aromatic hydroxy compound, carbon monoxide and oxygen, so that the re-activated cataly... | 01/27/2004 |
| 6680270 | Regeneration of catalysts used in the manufacture of bisphenols A method for regenerating deactivated sulfonated cation exchange catalysts comprises washing the deactivated catalyst with phenol-water mixtures comprising about 5-20 wt. % of water in phenol at a temperature of about 70-95° C.... | 01/20/2004 |
| 6635595 | Process for simultaneous alkyl esterification of oil and regeneration of spent oil purification medium The present invention relates to a process for the simultaneous regeneration of spent clay and insitu recovery of oil from spent clay and conversion of the same to alkyl esters of C1 to C8 carbon atoms by treating the spent clay with... | 10/21/2003 |
| 6558533 | Process for sulfur removal from hydrocarbon liquids The present invention is directed to a method of desulfurization of a sulfur laden hydrocarbon liquids that comprises contacting the liquid with a sponge nickel metal alloy, removing the sulfur free liquid, regeneration of the alloy by contact with an aqu... | 05/06/2003 |
| 6521564 | Modification of a hydrogenation catalyst A process for the modification of a hydrogenation catalyst of the Raney nickel, Raney cobalt, nickel-on-carrier or cobalt-on-carrier type, which process includes treating the hydrogenation catalyst at temperatures of about 0° C. to about 120° C. with ca... | 02/18/2003 |
| 6498120 | Rejuvenating SAPO molecular sieve with anhydrous liquid or vapor This invention is to a method of rejuvenating a molecular sieve. The method includes contacting a molecular sieve having a methanol uptake index of less than 1, or a catalyst containing molecular sieve having a methanol uptake index of less than 1, with a... | 12/24/2002 |
| 6482762 | NOx conversion catalyst rejuvenation process A method for cleaning and rejuvenating an at least partially spent de-NOx catalyst comprising a porous ceramic metal oxide material containing a vanadium oxide and coated on a metal support by cleaning the catalyst with an oxalic acid solution ... | 11/19/2002 |
| 6423657 | Process for the reactivation of activated carbon A process and a set of equipment for reactivating spent activated carbon onto which pollutants were adsorbed. The present process comprises subjecting the activated carbon to be reactivated in a mixed solution consisting of ethanol, sodium hydroxide solut... | 07/23/2002 |
| 6365761 | Process for preparing alkylene oxide Process for the preparation of alkylene oxide, which process comprises passing a feed comprising an organic hydroperoxide and alkene through a bank of at least two serially connected reactors all containing a bed of heterogeneous epoxidation catalyst part... | 04/02/2002 |
| 6281157 | Self-catalytic bath and method for the deposition of a nickel-phosphorus alloy on a substrate Disclosed are a self-catalytic bath and a method for the deposition of Ni--P alloy on a substrate. The bath comprises nickel sulfate, sodium hypophosphite as a reducing agent, acetic acid as a buffer and traces of lead as a stabilizer. It also includes a ... | 08/28/2001 |
| 6162753 | Process for recovering cobalt carbonyl catalysts used to produced N-acyl-alpha-amino acid derivatives by amidocarbonylation The present invention relates to a process for recovering cobalt carbonyl catalysts used in the preparation of N-acyl-alpha-amino acid derivatives by amidocarbonylation comprising the process steps: adding aqueous hydrogen peroxide solution to the reaction sol... | 12/19/2000 |
| 6162558 | Method and apparatus for selective removal of carbon monoxide There is provided a method and apparatus for treatment of a hydrogen-rich gas to reduce the carbon monoxide content thereof by reacting the carbon monoxide in the gas with an amount of oxygen sufficient to oxidize at least a portion of the carbon monoxide... | 12/19/2000 |
| 6077803 | Process for off-site preconditioning of a hydrocarbon processing catalyst A process for presulfurizing a refining catalyst or petrochemical catalyst consists of bringing a catalyst into contact with liquid elementary sulfur or elementary sulfur dissolved in a liquid, preferably another sulfur compound such as an organic polysul... | 06/20/2000 |
| 6077807 | Method of treating spontaneously combustible catalysts Self-heating characteristics of a spontaneously combustible catalyst are reduced by treating spontaneously combustible catalysts with oxygen-containing hydrocarbons having at least 12 carbon atoms. The treatment is particularly suitable for reducing the s... | 06/20/2000 |
| 6071843 | Process for reactivating catalyst systems containing a platinum group metal Platinum metal-containing catalyst systems, which comprise at least one platinum metal, a co-catalyst and other salts, and which are used for the production of diaryl carbonates by the oxidative reaction of aromatic hydroxy compounds with carbon monoxide,... | 06/06/2000 |
| 6013593 | Wet recycling process for impregnated active carbon by extraction with organic solvent A wet recycling method for impregnated active carbon used to remove radioactive organic iodide in a nuclear power plant by extracting impregnated substance and radioactive organic iodide from the used impregnated active carbon with an acetonitrile solutio... | 01/11/2000 |
| 6001762 | Reactivation of perfluorinated ion-exchange microcomposite catalysts Catalyst comprising a perfluorinated ion-exchange microcomposite can be reactivated upon contact with at least one cleaning agent, such as an oxidizing agent, organic solvent, supercritical fluid or detergent. The process may further comprise heating prio... | 12/14/1999 |
| 5990037 | Method of treating spontaneously combustible catalysts Self-heating characteristics of a spontaneously combustible catalyst are reduced by treating spontaneously combustible catalysts with oxygen-containing hydrocarbons having at least 12 carbon atoms. The treatment is particularly suitable for reducing the s... | 11/23/1999 |
| 5965472 | Recovery of catalyst systems from diaryl carbonate-containing reaction solutions by suspension crystallization Catalyst systems with a content of a platinum-group-metal catalyst, a co-catalyst, a quaternary salt and a base for the oxidative carbonylation of aromatic hydroxy compounds to the corresponding diaryl carbonates are according to the invention obtained as... | 10/12/1999 |
| 5935890 | Stable dispersions of metal passivation agents and methods for making them A process for passivating contaminating metal on a hydrocarbon cracking catalyst is provided. The catalyst is contacted within a hydrocarbon catalytic cracking unit with a stabilized dispersion. The dispersion comprises a fluid vehicle, a dispersion agent... | 08/10/1999 |
| 5916835 | Heterogeneous catalyst regeneration The catalytic activity of a titanium-containing heterogeneous catalyst such as titania-on-silica which has been used to catalyze olefin epoxidation is effectively restored by washing the catalyst with water, alcohol, ether, nitrile, ester, aromatic hydroc... | 06/29/1999 |
| 5906953 | Catalyst rejuvenation process A process and apparatus for rejuvenating particulate used catalysts in a single rejuvenation vessel and providing a rejuvenated catalyst material having properties that result in activity substantially equal to new catalyst. The pressurizable vertically-o... | 05/25/1999 |
| 5888919 | Process for zeolitic catalyst reactivation A spent zeolite-containing hydrocarbon cracking catalyst is treated by regenerating it to remove carboneous deposits. A portion of the regenerated catalyst is withdrawn from the circulating catalyst inventory of a hydrocarbon processing unit and slurried ... | 03/30/1999 |
