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 |
| 7411100 | Process for the preparation of ring compounds In a process for the preparation of ring compounds via a combinatorial synthesis, the reaction procedure is based on a Suzuki coupling, subsequent halo-demetallation and finally a further Suzuki coupling. The Suzuki couplings are each carried out with a boronic acid... | 08/12/2008 |
| 7341985 | 2-Hydroxy-3-alkoxypropyl sulfides, sulfones, and sulfoxides: new surface active agents Compositions containing surfactant compounds according to formula (I) R4OCH2CH(OH)CR2R3ZR1 (I) wherein Z is S, SO, or SO2, can have a range of equilibrium and/or dynamic surf... | 03/11/2008 |
| 7291367 | Liquid-crystalline compounds The invention relates to liquid-crystalline compounds of the formula (I) in which R1, R2, A1, A2, A3, A4, Z1, Z2, Z3, a, b and c have the meanings indicated in Claim | 11/06/2007 |
| 7217841 | Stabilizers and antiozonants for elastomers Elastomers which have excellent stability to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation comprise, as stabilizers, at least one compound of the formula I [R—S(═O)m—CH2—CH(OH)—CH2 | 05/15/2007 |
| 7067703 | Manufacture of retinoids A process for the manufacture of retinal (I) comprises reacting a 5-(2,6,6-trimethyl-cyclohex-1-enyl)-1,4-pentadiene derivative (IIa) or a 5-(2,6,6-trimethyl-cyclohex-2-enyl)-1,4-pentadiene derivative (IIb) or a 5-(2,6,6-trimethyl-2-cyclohexen-1-ylidene)-1-pentene d... | 06/27/2006 |
| 7049472 | Bis(3-alkoxyalkan-2-OL) sulfides, sulfones, and sulfoxides: new surface active agents Compositions containing surfactant compounds according to formula (I) ROCH2CH(OH)CR1R2ZCR1R2CH(OH)CH2OR, (I) wherein Z is S, SO, or SO2, can have a range of equilib... | 05/23/2006 |
| 7045649 | C2-substituted idan-1-ols and their derivatives, processes for their preparation and their use as pharmaceuticals Embodiments of the invention relate to C2-substituted indan-1-ols and to their physiologically acceptable salts and physiologically functional derivatives. Compounds of embodiments of the invention may include compounds of formula I | 05/16/2006 |
| 6982353 | C2-disubstituted indan-1-ol compounds, their derivatives, processes for their preparation, and their use as pharmaceuticals The present invention is directed to C2-disubstituted indan-1-ol systems of the Formula I, physiologically acceptable salts and physiologically functional derivatives thereof, and pharmaceutical compositions comprising... | 01/03/2006 |
| 6630578 | Thioether derivatives, their method for production and use Novel dendritic molecules are provided which respond immediately by emission of light when stimulated with light or electric energy, and are useful, for example, as switching material of memory. The dendritic molecules have a core, a branch structure comp... | 10/07/2003 |
| 6608061 | Bisaryl compound and medicament for cancer treatment comprising the same A medicament for treatment of cancer comprising a compound represented by the following general formula (I) or a physiologically acceptable salt thereof: Ar1 --S--R1 --S--Ar2 wherein R1 represents a nonmetal bridging... | 08/19/2003 |
| 6608233 | Process for producting bis(4-hydroxy-3-nitrophenyl) compound The present invention relates to a process for producing a bis(4-hydroxy-3-nitrophenyl) compounds, characterized by nitrating a bis(4-hydroxyphenyl) compound wherein two phenyl groups are bonded to each other directly or through an electron-donating bridg... | 08/19/2003 |
| 6482988 | Sulfur compound containing terphenyl skeleton A liquid crystalline sulfur compound exhibiting high anisotropic factor of dipolemoment is provided. A terphenyl skeleton sulfur compound expressed by the general formula (I) is provided. A compound is preferred wherein, in the general formula (I), m is 1... | 11/19/2002 |
| 6379590 | Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of a compound of the formula D ##STR1## wherein A' is se... | 04/30/2002 |
| 6248687 | Process for presulfurizing a desulfurization catalyst used in a hydrodesulfurization unit of petroleum refinery and presulfurization promoter Presulfurizing process and presulfurization promoter for a desulfurization catalyst to be used in a hydrodesulfurization unit of petroleum refinery of high molecular hydrocarbons, in which fresh metal oxide in said desulfurization catalyst is sulfurized w... | 06/19/2001 |
| 6204297 | Nonionic gemini surfactants Novel nonionic gemini surfactants are extremely effective emulsifiers for oil-in-water emulsions that provide improved detergency at even low concentration levels. The surfactants are characterized by the formula: ##STR1## wherein R1 is indepen... | 03/20/2001 |
| 6197993 | Naphthyloxyacetic acid derivatives and a pharmaceutical composition comprising them as an active ingredient The naphthyloxyacetic acid derivatives of the formula (I) ##STR1## wherein A is H, -(alkylene)COOR1, -(alkylene)CONR2 R3, -(alkylene)OH, -(alkylene)tetrazole, -(alkylene)CN; E is single bond or alkylene; G is --S--, --SO--... | 03/06/2001 |
| 6114572 | Substituted phenols and thiophenols useful as antioxidant agents The present invention provides compounds of the formula ##STR1## wherein X is selected from the group consisting of ##STR2## Y is thio, oxy or a methylene group; Z is hydrogen or --C(O)--(CH2)m --Q wherein Q is hydrogen or ... | 09/05/2000 |
| 6080790 | Tri-substituted phenyl derivatives and processes for their preparations Compounds of formula (1) ##STR1## are described wherein Y represents a halogen atom or a group --OR1, where R1 is an optionally substituted alkyl group; R2 represents an optionally substituted cycloalkyl or cycloalken... | 06/27/2000 |
| 5952386 | Dihalopropene compounds, insecticides containing them as active ingredients, and intermediates for their production The present invention provides dihalopropene compounds of the general formula: ##STR1## wherein R1 is C1 -C10 alkyl or the like; L is C(.dbd.O)NH or the like; R2, R3 and R4 are indepen... | 09/14/1999 |
| 5919985 | Method for production of sulfide group-containing thiol compound An object is to provide a method for the production of a sulfide group-containing thiol compound which comprises using a solvent capable of effecting the ring-opening addition reaction of an alkylene sulfide to a thiol compound without inducing the alkyle... | 07/06/1999 |
| 5869506 | Fluoropropene compound, an insecticide containing the same and an intermediate for production thereof The present invention provides a fluoropropene compound represented by Formula I: ##STR1## wherein R1 represents a C1 -C10 alkyl group or other groups, Z represents an oxygen atom or other groups, R2, R | 02/09/1999 |
| 5843999 | 2-phenylazulene derivatives and a manufacturing method of these compounds A series of new azulene derivatives are disclosed, which are represented by the following formula; ##STR1## wherein: R1 is hydrogen atom, lower alkoxycarbonyl group, carboxy group, halogen atom, lower alkyl group, phenyl group or lower alk... | 12/01/1998 |
| 5840724 | Compounds containing phenyl linked to aryl or heteroaryl by an aliphatic- o r This invention is directed to the pharmaceutical use of phenyl compounds, which are linked to an aryl moiety by various linkages, for inhibiting tumor necrosis factor. The invention is also directed to the compounds, their preparation and pharmaceutical c... | 11/24/1998 |
| 5807899 | Triphenylethylenes, process for their production, pharmaceutical preparations that contain these triphenylethylenes as well as their use for the production of pharmaceutical agents This invention describes the new triphenylethylenes of general formula I ##STR1## in which n means an integer from 1 to 10, R' means a sulfur-containing organic radical, R" means a hydrogen atom, an iodine atom or a hydroxy groups, E means a hydrogen atom, G m... | 09/15/1998 |
| 5798396 | Sulfonium salt-containing compounds and initiators of polymerization The present invention is directed to sulfonium salt-containing compounds represented by a following general formula; ##STR1## wherein R1 is alkyl containing from 1 to 18 carbon atoms, hydroxy, alkoxy containing from 1 to 18 carbon atoms, a... | 08/25/1998 |
| 5750577 | Chromotropic acid-formaldehyde and 1-naphthol-formaldehyde polymeric compounds Novel medicinally-useful compounds are provided herein. These compounds include isomeric cyclic tetramers of formaldehyde and 1-naphthol, and the derivatives or analogues of such cyclic tetramers, and linear oligomers of chromotropic acid, or its derivati... | 05/12/1998 |
| 5744647 | Process for the preparation of 3-(methylthio) propanal A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium contains 3-(methylthio)propanal, methyl mercaptan and a catalys... | 04/28/1998 |
| 5696277 | Antiviral prodrugs Lipid prodrugs of phosphonoacids and their analogs that have increased antiviral activity over the parent drugs in inhibiting cytomegalovirus and other susceptible viruses.... | 12/09/1997 |
| 5679696 | Compounds containing phenyl linked to aryl or heteroaryl by an aliphatic-or heteroatom-containing linking group This invention is directed to the pharmaceutical use of phenyl compounds, which are linked to an aryl moiety by various linkages, for inhibiting tumor necrosis factor. The invention is also directed to the compounds, their preparation and pharmaceutical c... | 10/21/1997 |
| 5639903 | Sulfonium salt compounds and initiators of polymerization The present invention is related to sulfonium salt compounds useful as an initiator of cationic polymerization and represented by a following general formula (I): ##STR1## wherein R1 is benzyl, phenyl, etc., R2, R3 an... | 06/17/1997 |
| 5612479 | Polyphenols containing mesogenic moieties as lateral substituents Novel polycyanate compositions containing one or more mesogenic moieties as lateral substituents are disclosed which provide improved processability relative to polycyanates containing one or more mesogenic moieties in the main chain of the molecule. Mole... | 03/18/1997 |
| 5610198 | Anti-mycobacterial compositions and their use for the treatment of tuberculosis and related diseases Compounds, pharmaceutical compositions, and methods for the treatment of mycobacterial diseases, such as tuberculosis and leprosy, are provided. Use of the compounds for promoting an antiseptic condition of a surface are also included. Some of the preferr... | 03/11/1997 |
| 5600035 | Positive photoactive compounds based on 2,6-dinitro benzyl groups and 2,5-dinitro benzyl groups Photoreactive compounds are synthesized from 2,5- or 2,6-dintrobenzyl groups. Also disclosed are methods of synthesizing reactive monomers containing 2,5- or 2,6-dintrobenzyl groups.... | 02/04/1997 |
| 5536754 | Fluorinated ion-exchange polymers and intermediates therefor Disclosed herein are partially fluorinated (co)polymers containing sulfonic acid or sulfonate salt groups, processes for making those polymers, and intermediates for those (co)polymers. The (co)polymers are useful as ion-exchange resins and (in the sulfon... | 07/16/1996 |
| 5478959 | Method for preparing 1,2-dithiins and precursors of 1,2-dithiins A method for preparing 1,4-(Z,Z)-disubstituted-1,4-disulfurated-1,3-butadienes is disclosed. The butadienes can be further elaborated to provide 3,6-unsymmetrically-substituted-1,2-dithiins. Also disclosed are butadienes prepared by the method of the... | 12/26/1995 |
| 5475143 | Fluorinated ion-exchange polymers and intermediates therefor Disclosed herein are partially fluorinated (co)polymers containing sulfonic acid or sulfonate salt groups, processes for making those polymers, and intermediates for those (co)polymers. The (co)polymers are useful as ion-exchange resins and (in the sulfon... | 12/12/1995 |
| 5430062 | Stilbene derivatives as anticancer agents The present invention relates to stilbene derivatives which possess utility as anti-cancer agents. The compounds can be used to treat cancers which are susceptible to treatment therewith, and can be utilized in a method of treating such cancers. Pharmaceu... | 07/04/1995 |
| 5393776 | Tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia This invention relates to structurally novel acyclic tocotrienol analogs, which are useful for cholesterol/lipid lowering in cases of hypercholesterolemia and hyperlipidemia, and for atherosclerosis. Also provided are pharmaceutical compositions and a met... | 02/28/1995 |
| 5391650 | Bisbenzocyclobutene thermosetting compounds and process for preparing the same A compound having at least one 2-hydroxy-1,3-propylidene, 2-acetoxy-1,3-propylidene, or 2-alkoxy-1,3-propylidene moiety between two benzocyclobutene end moieties is prepared by (a) contacting a diepoxide species with a benzocyclobutene species containing ... | 02/21/1995 |
| 5382686 | Process for preparing nitrodiphenyl (thio) ethers Nitrodiphenyl(thio) ethers in which the nitro group is in the ortho- or para-position with respect to the ether oxygen or ether sulphur can be prepared from halonitrobenzones in which the nitro group is in the ortho- or para-position with respect to the h... | 01/17/1995 |