Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8038975 | Process for preparing crystalline hydroxylamine-O-sulfonic acid A process for preparing crystalline hydroxylamine-O-sulfonic acid by a. reacting hydroxylamine or a hydroxylammonium salt with oleum/sulfuric acid or with chlorosulfonic acid/sulfuric acid at a temperature in the range from 90 to 130° C., ... | 10/18/2011 |
| 7070751 | Production of gaseous chloramine The present invention provides a reactor for the gas-phase reaction of commercially available gases in the presence of an inert carrier gas to form product gas. The reactor has a streamlined, compact configuration and at least one solids collection and removal syste... | 07/04/2006 |
| 7037478 | Method for continuous producing hydroxylammonium salts A process for the continuous preparation of hydroxylammonium salts by catalytic reduction of nitrogen monoxide by means of hydrogen in a dilute aqueous solution of mineral acid in a plurality of reaction stages connected in series comprises ... | 05/02/2006 |
| 6949232 | Producing cobalt (III) hexammine sulfate from nickel cobalt sulfides There is provided an improvement in a process for producing cobalt (III) hexammine sulphate which process comprises oxidatively pressure leaching nickel cobalt sulphides in an ammoniacal ammonium sulphate solution. The nickel and cobalt sulphides are oxidized to sul... | 09/27/2005 |
| 6699452 | Process for the separation of a hydroxylammonium salt solution Process for the separation of a hydroxylammonium salt solution from an aqueous reaction mixture comprising solid catalyst particles by means of filtration, wherein cake filtration through an asymmetric filter is applied, the asymmetric filter comprising a... | 03/02/2004 |
| 6238639 | Process for removing NOx from nitrosylsulphuric acid Nitrosylsulphuric acid is mixed in a mixing reactor with sulphuric acid saturated with SO2. The acid mixture is led into a saturating reactor into the bottom region of which water and an SO2 -containing gas are introduced. The gas pa... | 05/29/2001 |
| 6221328 | Process for preparing hydroxylammonium salts The invention relates to a process for preparing a hydroxylammonium salt through catalytic reduction of nitrate ions in an acid medium in the presence of a palladium and/or platinum catalyst on a carrier in which at least 0.00025 mmol halogen ions are pre... | 04/24/2001 |
| 6074622 | Catalyst based on titanosilicalites and process for producing N,N-disubstituted hydroxylamine The present invention relates to a catalyst based on titanosilicalites having a content by weight of alkali metal or metals of between 0.05 and 2%. The subject of the invention is more particularly a process for producing N,N-disubstituted hydroxylamine f... | 06/13/2000 |
| 5882619 | Preparation of a hydrogenation catalyst using M(OR)m Xn A carbon-containing catalyst support is prepared by treating the carbon-containing catalyst support with a compound of the formula I M(OR)m Xn I where M is Ti or Zr, X is Cl or Br, and R is C1 ... | 03/16/1999 |
| 5792439 | Process for the preparation of hydroxylammonium salts The invention relates to a process for the preparation of a hydroxylammonium salt through catalytic reduction of nitrate ions in an acid medium, in the presence of an activated catalyst, which catalyst comprises carrier particles with a plurality of metal... | 08/11/1998 |
| 5554353 | Preparation of hydroxylammonium salts A process for the preparation of hydroxylammonium salts by catalytic reduction of nitrogen monoxide using hydrogen in the presence of a hydrogenation catalyst, comprises (a) in a first step, filtering the reaction mixture obtained after the reaction, givi... | 09/10/1996 |
| 5338522 | Stabilization of aqueous hydroxylamine solutions Solutions of an hydroxylamine or an at least partially neutralized hydroxylamine salt are stabilized against decomposition by adding thereto a mercaptobenzothiazole, a mercaptothiazoline, a thiuram disulfide, thiourea or a mercaptoalkanol.... | 08/16/1994 |
| 5316737 | Process for removing Nox and Sox from exhaust gas Exhaust gases containing oxides of nitrogen and sulfur from a fired process heater, a fossil fuel fired boiler, or a chemical process are diverted from a stack prior to admission to the atmosphere through a duct system containing heat exchangers that redu... | 05/31/1994 |
| 5236685 | Preparation of hydroxylammonium salts A process for the preparation of hydroxylammonium salts by the reduction of nitrogen oxide (NO) with hydrogen in dilute aqueous mineral acid in the presence of a suspended platinum catalyst which is partially poisoned with arsenic, at elevated temperature... | 08/17/1993 |
| 5124138 | Work-up of aqueous mother liquors containing hydrochloric acid, sulfuric acid and their hydroxyl-ammonium and ammonium salts A process for working up aqueous mother liquors containing hydrochloric acid, sulfuric acid and their hydroxylammonium and ammonium salts, entails the mother liquors being intimately mixed with an excess of cyclohexanone based on the content of hydroxylam... | 06/23/1992 |
| 5015455 | Disulfonate process control In a process for the production of hydroxylamine disulfonate diammonium salt (DS) comprising feeding an aqueous ammoniuum nitrite solution, SO2 gas and trim ammonia to a packed column to create a reaction mixture to produce DS; the improvement ... | 05/14/1991 |
| 4997635 | Preparation of crystalline hydroxylammonium sulfate having a low ammonium sulfate content Crystalline hydroxylammonium sulfate is prepared by a process which comprises the following steps: (a) Bringing an aqueous solution which contains from 0.02 to 0.3 part by weight of ammonium sulfate and from 0.02 to 0.2 part by weight of sulfuric acid per... | 03/05/1991 |
| 4996036 | Abatement of NOx from hydroxylamine disulfonate process In the production of hydroxylamine disulfonate diammonium salt (DS) comprising reacting ammonium nitrite with ammonium bisulfite and sulfur dioxide in an absorption reactor whereby emission gases comprising NOx, particularly NO, are released as... | 02/26/1991 |
| 4992252 | Method for production of hydroxylammonium salt A process for producing hydroxylammonium salts of hydrogenating nitrogen monoxide in an acidic medium in the presence of a catalyst which is prepared by subjecting a platinum compound to a first reductive treatment with a thiosulfate or a thiosulfate comb... | 02/12/1991 |
| 4895711 | Preparation of hydroxylammonium salts Hydroxylammonium salts are prepared by catalytic reduction of nitrogen monoxide with hydrogen in dilute aqueous mineral acids at elevated temperature in the presence of suspended supported platinum catalysts obtainable by precipitating metallic platinum f... | 01/23/1990 |
| 4889704 | Preparation of hydroxylammonium salts Hydroxylammonium salts are prepared by catalytic reduction of nitrogen monoxide with hydrogen at elevated temperature in a dilute aqueous solution of a mineral acid in the presence, in suspension, of a supported platinum catalyst obtainable by precipitati... | 12/26/1989 |
| 4751068 | Method for catalyzing oxidation/reduction reactions of simple molecules This invention relates to a method for catalyzing the reactions and wherein Q=C or N; Z=O or S; X=O, S, NH or NR; R=C1 to C8 alkyl which may be linear, branched or cyclized, which comprises: contacting at least one polydentate nitrogen-containing c... | 06/14/1988 |
| 4737354 | Preparation of hydroxylamine-O-sulfonic acid Hydroxylamine-O-sulfonic acid is prepared by (a) reacting hydroxylammonium sulfate with oleum at elevated temperatures, (b) isolating sulfuric acid from the hydroxylamine-O-sulfonic acid formed, (c) diluting the sulfuric acid which was obtained in stage (b) and which ... | 04/12/1988 |
| 4477424 | Continuous preparation of hydroxylammonium salts An improved process for the continuous preparation of hydroxylammonium salts by catalytic reduction of nitric oxide with hydrogen in a dilute aqueous solution of a mineral acid in the presence of a suspended noble metal catalyst at an elevated temperature... | 10/16/1984 |
| 4457906 | Preparation of hydroxylammonium salts Hydroxylammonium salts are prepared by an improved process, wherein nitric oxide is reduced catalytically with hydrogen in a dilute aqueous solution of a mineral acid in the presence of a suspended supported platinum catalyst and at elevated temperatures,... | 07/03/1984 |
| 4404176 | Preparation of hydroxylammonium salts A process for the preparation of hydroxylammonium salts by catalytic reduction of nitric oxide with hydrogen in a dilute aqueous solution of a mineral acid, in the presence of a suspended supported platinum catalyst, at elevated temperatures, wherein the ... | 09/13/1983 |
| 4393033 | Process for the preparation of ammonium sulfamate Ammonium sulfamate is prepared continuously, starting from ammonia and sulfur trioxide, by introducing liquid sulfur trioxide and liquid ammonia in a molar ratio NH3 /SO3 greater than 2.0:1 into a pressure reactor containing molten r... | 07/12/1983 |
| 4378341 | Process for the manufacture of ammonium nitrilotrisulfonate Ammonium nitrilotrisulfonate is obtained by introducing nitric oxides into an aqueous ammonium sulfite solution at a pH of 5.0-7.5. The solution should contain at least 20 g/l of ammonium nitrilotrisulfonate in suspended form.... | 03/29/1983 |
| 4374818 | Process for the preparation of alkali metal salts of imidodisulfonic acid Ammonium nitrilotrisulfonate can be hydrolyzed, in a solid form or dissolved form, with alkali metal hydroxide to give alkali metal salts of imidodisulfonic acid or a mixture of alkali metal salts of imidodisulfonic acid and nitrilotrisulfonic acid, amido... | 02/22/1983 |
| 4349520 | Continuous hydrolysis of ketoxime A mixture of ketoxime such as methyl ethyl ketone oxime (MEKO), an inorganic acid such as sulfuric acid and optionally water is fed to an intermediate point of a fractional distillation column. Steam is fed to the base of the column and operating conditio... | 09/14/1982 |
| 4261963 | Process for the manufacture of ammonium sulfamate A process for the manufacture of ammonium sulfamate by introducing under pressure ammonia and sulfur trioxide into a reactor containing a melt which mainly consists of ammonium sulfamate and ammonium imidodisulfonate, while maintaining a molar ratio of NH... | 04/14/1981 |
| 4260593 | Process for the manufacture of ammonium sulfamate German published patent application 2,710,399 discloses a process for the manufacture of ammonium sulfamate involving introducing sulfur trioxide and ammonia into a pressure vessel containing a melt that mainly consists of ammonium sulfamate and ammonium ... | 04/07/1981 |
| 4257906 | Method of protecting nitrilotriacetate salts The trialkali metal salts of nitrilotriacetate are well known detergent builders. However, when hypochlorite bleach is added to the wash water it can oxidize the soluble uncomplexed nitrilotriacetate with the resultant loss of the beneficial effects of th... | 03/24/1981 |
| 4239741 | Process for producing hydrazine sulfate Hydrazine sulfate having a relatively large particle diameter and a high purity is produced by hydrolysis of benzophenoneazines by sulfuric acid having a concentration of 75% by weight or less in an amount of 1.1 times by mole or more the stoichiometric a... | 12/16/1980 |
| 4166842 | Hydroxylamine purification via liquid/liquid extraction A process for obtaining hydroxylammonium salts from aqueous solutions containing hydroxylammonium salts in mixture with ammonium and/or sodium salts. Said solutions are contacted with a water immiscible organic solution containing a cation exchange compou... | 09/04/1979 |
| 4148742 | Detergent composition containing alkali metal salts of imidobis sulfuric acid The alkali metal salts of imidobis sulfuric acid, particularly the trisodium salt, is effective in heavy duty laundry detergent compositions by reducing the damaging effects of chlorine-containing bleaches on the fabric while minimizing the loss in effect... | 04/10/1979 |
| 4133870 | Process for preparing ammonium sulfamate Ammonium sulfamate is prepared by introducing sulfur trioxide and ammonia into a pressure vessel that contains a melt essentially consisting of ammonium sulfonate and ammonium imido disulfonate using a molar ratio of NH3 to SO3 of 1.... | 01/09/1979 |
| 4128623 | Manufacture of a solution of nitrosylsulfuric acid in sulfuric acid Solutions of nitrosylsulfuric acid in sulfuric acid are manufactured by reacting nitric acid with sulfur in sulfuric acid or oleum. Less than 0.33 gram atom of sulfur is employed per mole of nitric acid, and after completion of the reaction the free nitri... | 12/05/1978 |
| 4088611 | Builder for detergent Builder for detergent containing imidobissulfates.... | 05/09/1978 |
| 4055623 | Method of removing nitrogen oxides from a gas as a salt of imidodisulfonic acid A method of removing nitrogen oxides from a gas containing nitrogen oxides and converting same to a salt of imidodisulfonic acid, wherein the gas containing nitrogen oxides is brought into contact with an aqueous solution which contains at least one ferro... | 10/25/1977 |
