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Paddle Wheel Plane

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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Class 568/39 - Oxygen containing


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain oxygen.
No. of patents: 125
Last issue date: 08/12/2008


1        
NumberTitleIssue Date
7411100Process 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
73419852-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
7291367Liquid-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
7217841Stabilizers 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
7067703Manufacture 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
7049472Bis(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
7045649C2-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
6982353C2-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
6630578Thioether 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
6608061Bisaryl 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
6608233Process 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
6482988Sulfur 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
6379590Method 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
6248687Process 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
6204297Nonionic 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
6197993Naphthyloxyacetic 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
6114572Substituted 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
6080790Tri-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
5952386Dihalopropene 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
5919985Method 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
5869506Fluoropropene 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
58439992-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
5840724Compounds 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
5807899Triphenylethylenes, 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
5798396Sulfonium 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
5750577Chromotropic 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
5744647Process 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
5696277Antiviral 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
5679696Compounds 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
5639903Sulfonium 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
5612479Polyphenols 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
5610198Anti-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
5600035Positive 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
5536754Fluorinated 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
5478959Method 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
5475143Fluorinated 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
5430062Stilbene 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
5393776Tocotrienol 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
5391650Bisbenzocyclobutene 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
5382686Process 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
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