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 |
| 7217771 | Epoxy resin Compositions containing: (a) a liquid epoxy resin; (b) an aliphatic or cycloaliphatic primary monoamine and/or an aliphatic or cycloaliphatic disecondary diamine; (c) a latent curing agent for the epoxy resin (a) which does not react until temperatures above 70° C.... | 05/15/2007 |
| 6911559 | Method of producing sodium dicyanamide A process is described for preparing sodium dicyanamide, in which cyanamide is reacted simultaneously with sodium hydroxide solution and cyanogen chloride in aqueous solution at temperatures of 20 to 100° and a pH of 7.0 to 10.0. By means of the inventive process i... | 06/28/2005 |
| 6909014 | Intermediates for the synthesis of ether compounds The present invention relates to novel ether compounds, compositions comprising ether compounds, and methods useful for treating and preventing cardiovascular diseases, dyslipidemias, dysproteinemias, and glucose metabolism disorders comprising administering a compo... | 06/21/2005 |
| 6878706 | Cyanamides useful as reversible inhibitors of cysteine proteases Compounds according to the following formula (I): wherein the variables Q and R1 to R6 are as described herein, which reversibly inhibit the cysteine proteases, such as cathepsins K, S, F, L and B... | 04/12/2005 |
| 6806292 | Substituted imide derivatives The present invention relates to novel substituted imide derivatives of the general formula (I) in which R1 represents optionally substituted cycloalkyl, R... | 10/19/2004 |
| 6683151 | Supramolecular compound The invention relates to a compound comprising a reaction product of (A) an isocyanate functional compound of which at least 40 wt. %, relative to the total amount of (A), has a molecular weight of at least about 500, and (B) a nitrogen-containing compoun... | 01/27/2004 |
| 6638979 | Imidamide derivatives The present invention relates to novel imidamide derivatives of the formula (I) ##STR1## in which R, R1, R2 and R3 are each as defined in the description, to a process for their preparation and to their use for control... | 10/28/2003 |
| 6548567 | Ionic compounds with delocalized anionic charge, and their use as ion conducting components or as catalysts The invention relates to an ionic compound corresponding to the formula [R1 X1 (Z1)--Q- --X2 (Z2)--R2 ]m Mm+ in which Mm+ is a cation of valency m, ea... | 04/15/2003 |
| 6194464 | Imidic acid derivatives and their use as pesticides The present invention relates to new imidic acid derivatives of the formula (I) ##STR1## to a plurality of processes for their preparation, and to their use as pesticides.... | 02/27/2001 |
| 5047575 | Norbornene carboxylic acids and esters Compounds, and a process for their preparation, have the formula ##STR1## or corresponding salts thereof wherein R represents a group of the formula ##STR2## wherein R1 represents oxazolinyl, --C.tbd.N, --CH2 OR2 or ... | 09/10/1991 |
| 4956503 | Process for the preparation of N-cyanoethanimidic acid esters A process for the preparation of N-cyanoethanimidic acid esters by reacting orthoacetic acid esters with cyanamide. The reaction is carried out in alcoholic solution in the presence of an acid catalyst. N-cyanoethanimidic acid esters can be prepared in th... | 09/11/1990 |
| 4940816 | Acylated cyanamide compounds Acylated cyanamide compounds useful for ethanol deterrence of the formula RCONHCN, wherein R is a lipophilic acyl group or is derived from an (N-substituted)-alpha-aminoacyl group.... | 07/10/1990 |
| 4891443 | N,N'-Dicyanocyclopropanecarbamidines and a process for their preparation N,N'-dicyanocyclopropanecarbamidines useful as triazine intermediates, of the formula II ##STR1## in which M is hydrogen or an equivalent of an alkali or earthalkali ion and processes for their production.... | 01/02/1990 |
| 4870056 | Acylated cyanamide composition Acylated cyanamide compounds useful for ethanol deterrence of the formula RCONHCN, wherein R is a lipophilic acyl group or is derived from an (N-substituted)-alpha-aminoacyl group.... | 09/26/1989 |
| 4791229 | Preparation of aryl cyanamides from arylamines and cyanogen chloride A process for the preparation of an aryl cyanamide comprising reacting an arylamine of the formula ##STR1## in which Ar is aryl, R is hydrogen or alkyl, and n is 1, 2 or 3, (excepting 2-nitroaniline, 4-nitroaniline and arylamines having a nucleophili... | 12/13/1988 |
| 4721770 | Epoxy resin compositions containing N-cyanocarboxylic acid amides as hardeners N-Cyanocarboxylic acid amide derivatives which contain two or three ##STR1## groupings in the molecule are useful as hardeners for epoxide resins.... | 01/26/1988 |
| 4625061 | Process for preparing cyanamide An improved process for the preparation of cyanamide or a cyanamide-containing gas mixture by passing urea and/or urea decomposition products over a catalyst at a temperature in the range of between about 200° C. and 600° C. A porous catalyst is utilize... | 11/25/1986 |
| 4618712 | N-cyanocarboxylic acid amides, processes for their preparation and their use N-Cyanocarboxlic acid amide derivatives which contain two or three ##STR1## groupings in the molecule are obtained by reacting 1 mol of a dicyanodiamine with 2 mols of a carboxylic acid anhydride or 1 mol of a dicyandiamine salt with 2 mols of a carb... | 10/21/1986 |
| 4595782 | Process for the preparation of alkali metal salts of acyl cyanamides The present invention is for a process for the preparation of alkali metal salts of acyl cyanamides, especially those of aliphatic carboxylic acids by reacting carboxylic acid esters of lower alcohols with monoalkali metal cyanamides. The reaction results... | 06/17/1986 |
| 4578220 | Charge transfer complexes of tetrathio/seleno-fulvalene derivatives and biscyanimine derivatives; biscyanimine derivatives and method for producing same A novel charge transfer complex of an N,N'-biscyanoquinone bisimine of the formula ##STR1## and a fulvalene derivative of the formula ##STR2## where, in formula I, R1, R2, R3 and R4 independently ... | 03/25/1986 |
| 4571434 | Oligo-imino-amines possessing plant-physiological activities and process for preparing the same Oligo-imino-amines possessing plant-physiological activities and process for preparing the same are provided. Said substance is represented by the general formula. ##STR1## Wherein n=4-6.... | 02/18/1986 |
| 4550203 | Process for the preparation of N-substituted N-cyancarboxylic acid amides N-substituted N-cyanocarboxylic acid amides are prepared by reacting 1 mol of an N-cyanocarboxylic acid amide salt with 1 mol of an alkyl halide or an alkylating agent, for example dimethyl sulfate or diethyl sulfate, in a polar aprotic solvent. The N-sub... | 10/29/1985 |
| 4529821 | Cyanoacylamide compounds N-Cyanoacylamide compounds of the formula I ##STR1## wherein R1 is hydrogen, alkyl, cycloalkyl or aryl, R2 is hydrogen or alkyl and R3 is hydrogen or alkyl and R3 is alkylene or arylenealkylene, are prepare... | 07/16/1985 |
| 4389219 | Stabilized coal-oil mixture Mixture of a fuel oil and pulverized coal are stabilized by the addition of a small amount of a polyether-type adduct having a molecular weight of from 6,000 to 600,000 between a lower alkylene oxide and a poly(lower alkyleneimine) compound, or a derivati... | 06/21/1983 |
| 4314081 | Arloxyphenylpropylamines 3-Aryloxy-3-phenylpropylamines and acid additions salts thereof, useful as psychotropic agents, particularly as anti-depressants.... | 02/02/1982 |
| 4265907 | Insecticidal hydroxylamine ethers Insecticidal compounds having the formula: ##STR1## wherein R is halogen (Cl, F, Br), C1 -C4 alkyl, NO2, C1 -C4 alkoxy, C1 -C4 alkylthio, cyano, CF3, CF3 | 05/05/1981 |
| 4066577 | High molecular weight polytriazines of soluble polymeric N-cyano-isourea ethers High molecular weight temperature-resistant polymers of polytriazine structure obtained by heating cyanamides of the formula I in which R represents an aliphatic, cycloaliphatic, heterocyclic or aromatic radical, optionally interrupted by oxygen and n is a num... | 01/03/1978 |
| 4048228 | Substituted cyanamidic compounds Substituted cyanamidic compounds as exemplified by N-(diphenylmethylidene)cyanamide may be prepared by reacting nitrogen-containing compounds having the formula: ##STR1## in which R1 and R2 are selected from the group consisting... | 09/13/1977 |
| 4018895 | Aryloxyphenylpropylamines in treating depression 3-Aryloxy-3-phenylpropylamines and acid additions salts thereof, useful as psychotropic agents, particularly as anti-depressants.... | 04/19/1977 |
| 4013706 | Derivatives of substituted urea, acyl ureas, and sulphonyl ureas, and a process for producing the same A process for the production of compounds of the general formula: ##STR1## and compounds of that general formula, in which A represents hydrogen or an R1 -- X group (in which X represents --CO or --SO2 and R1 represen... | 03/22/1977 |
| 3944526 | N-cyanosulfonamide resins and intermediates therefor and products thereof This invention provides compositions containing polysulfonamides which are prepared by the addition polymerization of bis-N-cyanosulfonamides. The resins are useful in coating, molding, laminating and casting applications.... | 03/16/1976 |