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 |
| 7148295 | Carboxy-functional crosslinkers for epoxy-functional powder-lacquer binding agents The invention relates to the use of special mixtures of at least two polycarboxylic acids as crosslinker components for thermally curing powder-lacquer binding agents having groups that are capable of reacting with carboxyl groups. The mixtures include at least two ... | 12/12/2006 |
| 7148307 | Water-dilutable polyesters with cyclic imide and isocyanurate structure The present invention relates to novel polyesterpolyols with cyclic imide and isocyanurate structure and to their use in coating compositions. ... | 12/12/2006 |
| 7135505 | Radiation curable coatings based on uretdione polyisocyanates A radiation curable coating composition that includes from about 5 to about 70% by weight of the reaction product of i) one or more polyisocyanates, where at least 10 equivalent percent of the isocyanate groups are in the form of uretdione groups, and ii) one or mor... | 11/14/2006 |
| 7109285 | Phenolically blocked polyurethane prepolymers The present invention relates to novel polyurethane prepolymers (PU prepolymers) of low viscosity containing NCO groups blocked with compounds containing phenol groups and to their use for producing polyurethane polymers. The PU prepolymers are prepared by reacting ... | 09/19/2006 |
| 7087676 | Blocked polyisocyanates Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and elastomers, wherein blocked polyisocyanates are prepared by reacting ... | 08/08/2006 |
| 7074852 | Blocked polyisocyanates Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and elastomers. The blocked polyisocyanates are derived from polyisocyana... | 07/11/2006 |
| 7071353 | Polyisocyanates containing acylurea groups, a process for their production and their use The present invention relates to a process for preparing polyisocyanates containing acylurea groups by reacting isocyanates corresponding to formula (I) R—(NCO)n,  (I) wherein R represent... | 07/04/2006 |
| 7060750 | Moisture-curable, polyether urethanes and their use in sealant, adhesive and coating compositions An adhesive, sealant or coating composition that includes: a) 20 to 80% by weight, based on the weight of a), b), and c) of a polyether urethane containing two or more reactive silane groups and one or more polyether segments,... | 06/13/2006 |
| 7060817 | Sulfonamide anions as catalysts for NCO oligomerization The present invention relates to the use of sulphonamide salts as catalysts for oligomerizing isocyanates and also to a process for NCO oligomerization using the catalysts of the invention. ... | 06/13/2006 |
| 7057000 | Two-component coating compositions containing silane adhesion promoters The present invention relates to two-component coating compositions containing a) a polyisocyanate component, b) an isocyanate-reactive component that contains less than 3% by weight, based on the weight of component b), of an aromatic poly... | 06/06/2006 |
| 7056415 | Wood adhesives The present invention relates to a process for bonding two or more wood substrates by using as the adhesive isocyanate-terminated prepolymers having an isocyanate content of 8 to 20 wt. % and containing the reaction product of a) at least one organic polyisocyanate ... | 06/06/2006 |
| 7049367 | Self-crosslinking PU dispersions The present invention relates to aqueous self-crosslinking PU dispersions and to coatings prepared from them. ... | 05/23/2006 |
| 7045573 | Polyurethane dispersion (PUD) with improved isopropanol resistance, flexibility and softness Isocyanate-functional polyurethane prepolymers and aqueous dispersions therefrom which are useful for the production of flat materials having excellent resistance to alcoholic solvents are described. The prepolymers are prepared by reacting: ... | 05/16/2006 |
| 7041768 | Polyurethane coating systems The present invention relates to novel one-component polyurethane systems including one or more organic and/or inorganic compounds of vanadium in which the vanadium has an oxidation state of at least +4, to their preparation and use for preparing paints, inks and ad... | 05/09/2006 |
| 7037590 | Water vapor-permeable coating composite The present invention relates to a water vapor-permeable coating composite containing one or more flexible substrates, which are coated on one or both sides with one or more identical or different coating compositions, provided that at least one coating composition ... | 05/02/2006 |
| 7034067 | Adjustable jet disperser for producing aqueous two-component polyurethane paint emulsions The invention relates to a process for the production of aqueous two-component polyurethane lacquer emulsions, with variable throughput, and to the use thereof as high-quality lacquers and coatings. ... | 04/25/2006 |
| 7030266 | Method for producing polyisocyanates The invention relates to a method for making oligomeric isocyanates by reacting diisocyanates in the presence of a catalyst, wherein the catalyst comprises a saline compound prepared from a five-membered N-heterocycles and the N-heterocycle comprises at least one Nâ... | 04/18/2006 |
| 7026428 | Blocked polyisocyanates The invention relates to aqueous and/or water-dilutable blocked polyisocyanates, their preparation and use in optionally self-crosslinking one-component systems. ... | 04/11/2006 |
| 7022760 | Crosslinkable binder dispersions The invention relates to aqueous crosslinkable binder dispersions comprising hydroxy-functional copolymers based on ethylene glycol monoallyl ether, to a process for preparing them and to the use of the dispersions in coating materials. ... | 04/04/2006 |
| 7019088 | Hardenable materials which contain uretdione groups, method for the production and processing thereof, and their utilization The invention is used in the fields of chemistry and relates to hardenable materials which can be used for producing lacquers. The aim of the invention is to provide materials which harden at low temperatures in the same amount of time as the others. This is achieve... | 03/28/2006 |
| 7019164 | Process for the production of (poly)isocyanates in the gas phase The present invention relates to a process for the production of an isocyanate corresponding to the formula R(NCO)n wherein R represents a (cyclo)aliphatic or aromatic hydrocarbon residue having up to 15 carbon atoms, preferably 4 to 13 carbo... | 03/28/2006 |
| 7007711 | Dispersion nozzle with variable throughput The invention relates to a dispersing device wherein the dispersed material has a variable throughput comprising a jet disperser which comprises at least one inlet for the materials to be dispersed, a chamber with a multiciplicity of openings arranged in rows along ... | 03/07/2006 |
| 7005470 | Aqueous 2K PUR systems The invention relates to aqueous two-component polyurethane systems comprising vinyl polymer polyol dispersions modified with reactive diluents, to a process for preparing them and to use as coating materials. ... | 02/28/2006 |
| 7001972 | Polyamines comprising urea groups, method for their production, and their use as hardeners for epoxide resins The present invention provides polyamines which contain urea groups, a process for the preparation thereof and their use to produce adhesives, sealants, embedding compounds, moulded items or coatings. ... | 02/21/2006 |
| 6998459 | Polyether urethanes containing one reactive silane group and their use in moisture-curable polyether urethanes The present invention relates to a polyether urethane containing one reactive silane group and one or more polyether segments having a number average molecular weight of 1000 to 15,000, wherein the reactive silane groups are incorporated by the reaction of an isocya... | 02/14/2006 |
| 6977279 | Solvent-free room temperature curing reactive systems and the use thereof in the production of adhesives, sealing agents, casting compounds, molded articles or coatings The present invention relates to novel solventless reactive systems curable at room temperature, based on blocked polyisocyanates, primary amines, compounds with oxirane groups, and 2,3-dimethyl-3,4,5,6-tetrahydropyrimidine, and to processes for the preparation of t... | 12/20/2005 |
| 6974874 | Reduction of monomer content and stabilization of polyaziridines The invention relates to a process for reducing the monomeric aziridine content in a polyaziridine forming reaction mixture by adding to the polyaziridine forming reaction mixture an excess of a carbodiimide scavenger wherein the excess is based on the equivalent ra... | 12/13/2005 |
| 6962953 | Aqueous secondary dispersions The present invention relates to heat and storage stable vinyl polymer polyol secondary dispersions containing A) at least one vinyl polymer resin having functional groups selected from hydroxyl, carboxyl and/or sulfonic acid groups and dispersed in a w... | 11/08/2005 |
| 6936678 | Process for preparing low-monomer-content TDI trimers The invention relates to a novel process for preparing low-monomer-content trimers based on 2,4- and 2,6-diisocyanatotoluene (TDI) and to the use thereof in coatings. The trimers are produced from a mixture of from 20 to 80% by weight of diisocyanate component conta... | 08/30/2005 |
| 6930199 | Process for the preparation of diisocyanates The invention relates to a process for the preparation of isocyanates in the gas phase, in which the possibilities for back-mixing and byproduct formation are reduced by improving the mixing of the starting materials in a tubular reactor. ... | 08/16/2005 |
| 6927297 | Reduction of monomer content and stabilization of polyaziridines The invention relates to a process for reducing the monomeric aziridine content in a polyaziridine forming reaction mixture by adding to the polyaziridine forming reaction mixture an excess of an organic carbonate scavenger wherein the excess is based on the equival... | 08/09/2005 |
| 6919417 | One-component polyurethane stoving coating compositions and their use The present invention relates to aqueous- or solvent-based, one-component, polyurethane stoving coating compositions containing i) polyisocyanates blocked with CH-acidic esters, especially malonic esters, ii) OH-containing polymeric compoun... | 07/19/2005 |
| 6903156 | Strippable coating compositions The present invention relates to light fast, aqueous, strippable coating compositions containing A) 40 to 90 wt. %, based on resin solids of A) and B), of aqueous polyurethane-polyureas and B) 10 to 60 wt. %, based on resin solids of A) and B), of polymers prepared ... | 06/07/2005 |
| 6884501 | Plastics stabilized with zinc oxide-containing, abrasion-resistant multilayers The invention relates to a plastic article with a coating containing at least one zinc oxide-containing layer and at least one abrasion-resistant outer layer. ... | 04/26/2005 |
| 6863863 | Coating composition, a process for its preparation, and its use in the production of textured coated surfaces The present invention relates to a coating composition, a process for its preparation, and to its use for the production of textured coated surfaces on heat-resistant substrates, in which coating composition is based on hydroxyl group-containing binders, cross-linki... | 03/08/2005 |
| 6838578 | Process for preparing (cyclo)aliphatic isocyanates The present invention relates to a process for preparing (cyclo)aliphatic diisocyanates and triisocyanates corresponding to the formula R—(NCO)n  (I), wherein R represents a (cyclo)aliphatic hydrocarbon group having ... | 01/04/2005 |
| 6831126 | Emulsion polymers and their use as peelable coatings The present invention relates to aqueous coating compositions containing A) at least one aqueous emulsion polymer, B) one or more polymer dispersions as a dispersion medium, C) at least one pigment, D) optionally a... | 12/14/2004 |
| 6827983 | Low temperature-drying waterborne coatings The present invention relates to a storage-stable, waterborne, one-component, coating composition, which can be cured at temperatures below 100° C. to provide a stone chip resistant and sandable coating, containing as the binder a polyurethane dispersion A, which a... | 12/07/2004 |
| 6825376 | NCO prepolymers prepared from isophorone diisocyanate and having a low monomer content The present invention relates to solvent-free, NCO prepolymers having a residual IPDI monomer content of less than 2.0 wt. %, an NCO content of 2.0 to 5.0 wt. % and a viscosity of 5000 to 20,000 mPa·s, wherein the NCO prepolymers are the reaction products of ... | 11/30/2004 |
| 6818784 | Process for producing aliphatic oligocarbonate diols The present invention relates to a process for producing an aliphatic oligocarbonate diol comprising a) reacting an aliphatic diol with dimethyl carbonate at an elevated pressure in a reaction mixture, and b) subsequently removing unreacted methanol and dimethyl car... | 11/16/2004 |