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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 4428914 | Process for making sodium percarbonate granules A process for the production of sodium percarbonate granules comprises the steps of impregnating seeds with an aqueous phase or phases containing sodium percarbonate or its precursors, and evaporating water from the impregnated seeds in a fluidized bed dr... | 01/31/1984 |
| 4421664 | Compatible enzyme and oxidant bleaches containing cleaning composition Stabilized cleaning compositions comprise a biochemical soil degrading enzyme, a slow release oxidant bleach composition and an effective amount of a reducing agent to prevent the appearance of an enzyme deactivating concentration of oxidant bleach compos... | 12/20/1983 |
| 4405482 | Sanitizing formulation An improved sanitizing formulation contains a peroxy hydrate compound, a non-phosphate water softener, a source of magnesium ion as a partial hydrogen peroxide stabilizer, a chelating agent for transition metals and a nonionic surfactant.... | 09/20/1983 |
| 4381247 | Enzyme-containing bleaching composition An enzyme-containing bleaching composition is disclosed containing an inorganic peroxide, an enzyme, and one or more anhydrous salts selected from the group consisting of anhydrous sodium citrate, anhydrous magnesium sulfate, anhydrous calcium chloride an... | 04/26/1983 |
| 4378300 | Peroxygen bleaching composition A bleaching and laundering composition comprising a peroxygen compound, an activator comprising phthalic anhydride and diethylene triamine pentamethylene phosphonic acid and/or a water-soluble salt thereof. A method of bleaching and laundering soiled and/... | 03/29/1983 |
| 4374747 | Bleach products A bleach product comprising a percompound contained within a closed water-insoluble but water-permeable bag of fibrous material, provided with a protective water-impermeable coating which is removable in water at a temperature of 30°-75° C., preferably ... | 02/22/1983 |
| 4372813 | Process for inhibiting the corrosion of equipment made of titanium Process for inhibiting the corrosion of equipment made of titanium or of alloys containing titanium by a solution containing a peroxy compound. To effect the inhibition, a solution containing calcium, strontium or barium ions is used.... | 02/08/1983 |
| 4329244 | Particles of stabilized peroxygenated compounds, process for their manufacture, and composition containing such particles Particles of peroxygenated compounds stabilized with polymers, possessing hydroxyl groups and carboxyl groups, which contain monomeric units of the formula ##STR1## where R1 and R2 represent hydrogen or an alkyl group containing... | 05/11/1982 |
| 4323465 | Stabilized sodium sulfate-hydrogen peroxide-sodium chloride adduct and alkaline bleach composition containing same 4Na2 SO4.2H.sub.2 O2.NaCl, having improved alkaline stability, is produced by crystallizing it in the presence of a stabilizing quantity of a soluble, organic polyphosphonate which is taken up in the crystalline structure ... | 04/06/1982 |
| 4283302 | Particulate bleach compositions Particulate bleach (and detergent) compositions with improved bleach efficiency are disclosed comprising a particulate peroxybleach compound and tetraacetyl ethylene diamine (TAED), said TAED having the following particle size distribution as determined b... | 08/11/1981 |
| 4260508 | Stabilized alkali metal percarbonate powder bleach A powdered sodium percarbonate composition is provided which exhibits significantly improved percarbonate stability during storage. The sodium percarbonate is stabilized by a phosphate containing compound such as sodium tripolyphosphate or sodium orthopho... | 04/07/1981 |
| 4179394 | Process for improving the storage stability of alkali persalts A process for improving the storage behavior of alkali persalts in particularly alkali percarbonates, by preparing a granulate composition therefore is disclosed. The process comprises the steps of: (a) granulating an alkali persalt, wherein the alkali cation ... | 12/18/1979 |
| 4111826 | Bleaching assistants A bleaching assistant in the form of granulated particles for use in or with a washing and bleaching composition is provided which comprises: (a) 50-85% by weight of a bleaching activator for percompounds selected from the group consisting of N-acyl and O-acyl... | 09/05/1978 |
| 4110242 | Compositions and method for activating oxygen utilizing N-acylated uracils and benzouracils The method of activating aqueous solutions of percompounds utilizing N-acylated uracils and benzouracils as activators; solid activated compositions comprising solid percompounds and N-acylated uracils and benzouracils as activators; and novel diacylated ... | 08/29/1978 |
| 4092264 | Barium oxide coated zirconia particle for use in an oxygen extractor A process of manufacturing an oxide material for use in an oxygen generator. A quantity of dry zirconia particles is blended with Barium Peroxide particles and thereafter heated in a nitrogen atmosphere until the Barium Peroxide melts and coats the zircon... | 05/30/1978 |
| 4086177 | Activated bleaching process and compositions therefor A process for the activation of peroxide-based bleaches comprises conjointly incorporating into an aqueous medium a peroxide-based bleach, sufficient buffering agent to maintain the aqueous medium under alkaline conditions and certain metal cyanamides (e.... | 04/25/1978 |
| 4086175 | Activated bleaching process and compositions therefor A process for the activation of peroxide-based bleaches comprises conjointly incorporating into an aqueous medium a peroxide-based bleach, sufficient buffering agent to maintain the aqueous medium under alkaline conditions, cyanamide or a metal cyanamide ... | 04/25/1978 |
| 4070300 | Pourable solid filter material, particularly for the removal of unpleasant odors from the air, and a process for its manufacture A pourable solid filter material for the removal of foreign gases, particularly unpleasant odors, from the air comprises a granular composition. The granular composition is a mixture of at least one acid or basic chemosorptive substance which reacts chemi... | 01/24/1978 |
| 4064062 | Stabilized activated percompound bleaching compositions and methods for manufacture thereof A stabilized activated percompound bleaching composition comprises a mechanical mixture of a bleaching percompound, such as sodium perborate tetrahydrate, an activator for such percompound, such as 2-[bis(2-hydroxyethyl)amino]-4,6-dichloro-s-triazine, a m... | 12/20/1977 |
| 4005031 | Nickel peroxide oxidizing agent Nickel peroxide on a fine, free-flowing carrier, which is formed by treating nickel oxide, deposited on the carrier, with an alkali hypohalite or alkali persulfate in an aqueous alkaline medium, and its use for selectively oxidizing an unsaturated alcohol... | 01/25/1977 |
| 3996151 | Alkaline peroxide bleach liquor Concentrated aqueous/alkaline peroxide bleach liquor containing (a) silicate and (b) peroxide stabilizers having a content of alkaline earth metal are stabilized against precipitation of alkaline earth silicates.... | 12/07/1976 |
| 3975280 | Storage-stable, readily-soluble detergent additives, coating compositions and process A storage-stable, readily-soluble detergent additive comprising particles, at least 70% of which have a diameter within the range of 0.1 mm to 1 mm consisting of from 1% to 75% by weight of at least one active material enhancing the washing, bleaching or ... | 08/17/1976 |
