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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 568/52 - Plural rings containing


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain two or more rings.
No. of patents: 76
Last issue date: 05/20/2008


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NumberTitleIssue Date
7375252Compounds and method for the inhibition of the expression of VCAM-1
This invention is in the area of methods and compositions for the inhibition of the expression of VCAM-1 and, in particular, for the treatment of diseases mediated by VCAM-1, including cardiovascular and inflammatory diseases. ...
05/20/2008
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
6812257Polysubstituted indan-1-ol systems for the prophylaxis or treatment of obesity
Polysubstituted indan-1-ol compounds of formula I, its physiologically acceptable salts and physiologically functional derivatives are disclosed Compositions comprising the same, methods of preparation and methods for ...
11/02/2004
6717008Derivatives of C2-substituted indan-1-ol compounds, methods for their preparation and use
Derivatives of C2-substituted indan-1-ol compounds, processes for their preparation and their use are disclosed. In particular, the invention relates to compounds of the formula I and to their physiologically acceptable ...
04/06/2004
6518460Processes for preparing 3-arylsulfur hydroxamic acids
This invention provides processes for the preparation of a compound of Formula I: Y--C(.dbd.O)--C(R1)(R2)--CH2 --S(O)n R3 wherein: Y is hydroxy or XONX, where each X is independently hydrogen, lower alkyl ...
02/11/2003
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
6479519Substituted anilides
The invention is directed to physiologically active compounds of formula (I): ##STR1## wherein: R1 is hydrogen, halogen, hydroxy, lower alkyl or lower alkoxy; X1, X2 and X6 independently represent N or CR10
11/12/2002
6420573Processes for preparing 3-arylsulfur hydroxamic acids
This invention provides processes for the preparation of a compound of Formula I: Y--C(.dbd.O)--C(R1)(R2)--CH2 --S(O)n R3 wherein: Y is hydroxy or XONX, where each X is independently hydrogen, lower alkyl ...
07/16/2002
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
6365781Process for the preparation of mercaptomethylphenois
There is disclosed an improved process for the preparation of a compound of the formula I ##STR1## wherein n is 0 or 1, R1 is C1 -C12 alkyl or --CH2 SR3, R2 is C1 -C12...
04/02/2002
6342639Processes for preparing 3-Arylsulfur hydroxamic acids
This invention provides processes for the preparation of a compound of Formula I: Y--C(.dbd.O--C(R1)(R2)--CH2 --S(O)n R3 wherein: Y is hydroxy or XONX, where each X is independently hydrogen, lower alkyl o...
01/29/2002
5998667Substituted biphenyl oxazolines
The invention relates to new substituted biphenyloxazolines of the formula (I) ##STR1## in which R1 represents C1 -C6 -halogenoalkylthio and R2 represents hydrogen, or R1 and R2 together wi...
12/07/1999
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
5883287Vinyl sulfide compounds and a process for their preparation
Vinyl sulfides bearing protected arlyoxy substituents and a process for their preparation are provided. In the process a vinyl sulfide is formed by coupling a ketone compound and a thioester compound with a low valent titanium reagent to form both carbon-...
03/16/1999
5840991Antiatherosclerosis agents for lipid-lowering and antiperoxidative activity
The invention relates to novel compounds of formula (I) ##STR1## wherein R1 represents hydrogen, hydroxy or alkoxy; R2, R3, R4 and R5 may be hydrogen or alkyl; and n is 0,1 or 2; and the pharmaceutically a...
11/24/1998
5654331Diaromatic compounds derived from a salicylic unit and their use in human and veterinary medicine and in cosmetics
Diaromatic compounds, characterised in that they correspond to the following general formula: ##STR1## in which: R1 is --CH3, --CH2 OH, --COR8 or --CH2 OCOR9, R8 is H, OH, -...
08/05/1997
5534557Onium salt, photopolymerization initiator, energy ray-curing composition containing the initiator, and cured product
The composition of the present invention is excellent in compatibility, transparency and curability and give a cured coat of excellent gloss and of less smell, and cured products of excellent properties can be obtained by curing the composition. The prese...
07/09/1996
5464866Substituted hydrindanes for the treatment of angiogenesis-dependent diseases
Substituted hydrindanes and their use in controlling angiogenesis-dependent diseases in warm blooded animals are disclosed....
11/07/1995
5426232Substituted tetracyanoquinodimethanes, processes for their preparation and their use
Compounds of the formula I ##STR1## in which R1 and R2 independently of one another are C1 -C6 alkyl, C3 -C8 cycloalkyl which is unsubstituted or substituted by C1 -C4
06/20/1995
5371284Phenyl acetylenic acetals
Phenyl acetylenic acetals and thioacetals and their use in the treatment of allergy, asthma, inflammation, arthritis, hyperproliferative skin disease, psoriasis or contact dermatitis are disclosed. Also disclosed are intermediates useful for producing sai...
12/06/1994
5362915Phenyl-substituted cycloalkenyl compounds useful as PDE IV inhibitors
A compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein: R1 is --CH3 or --CH2 CH3 unsubstituted or substituted by 1 to 3 fluorines; X is O or S(O)s where s=0 to 2; R
11/08/1994
5274002Trisubstituted phenyl analogs having activity for congestive heart failure
Novel trisubstituted phenyl analogs are now found to have activity as for the treatment of congestive heart failure....
12/28/1993
5262439Soluble analogs of probucol
The invention provides a class of water-soluble probucol derivatives having one or more ester groups replacing the phenyl hydroxyl groups of the probucol molecule. Some derivatives have polar or charged functionalities such as carboxylic acid groups, amin...
11/16/1993
5214069Alcohol and ether derivatives
The invention concerns a compound of the formula I, ##STR1## wherein Ar1 is optionally substituted phenyl or naphthyl; A1 is (1-6C)alkylene, (3-6C)alkenylene, (3-6C)alkynylene or cyclo(3-6C)alkylene; Ar2 is optionally subs...
05/25/1993
52083882,2-difluorocyclopropyl derivatives
2,2-Difluorocyclopropyl derivatives of the formula ##STR1## in which R represents alkyl, optionally substituted aryl or optionally substituted aralkyl and X represents hydroxymethyl, 2-hydroxyethyl, isocyanato, amino, amino hydrohalide or a radical o...
05/04/1993
5104559Hydrogen perfluoroalkylaromatic ethers and related compositions and methods
A lubricating compound having the structure: R1 --Rf --O--Ar--R2 wherein R1 is a monovalent radical selected from the group consisting of fluoride, unsubstituted aryloxys, substituted aryloxys, unsubstituted arylthio...
04/14/1992
50951472,2-difluorocyclopropyl derivatives
2,2-Difluorocyclopropyl derivatives of the formula ##STR1## in which R represents alkyl, optionally substituted aryl or optionally substituted aralkyl and X represents hydroxymethyl, 2-hydroxyethyl, isocyanato, amino, amino hydrohalide or a radical o...
03/10/1992
5084478Alkene, alkyne or cycloalkylene derivatives
A compound of the formula ##STR1## wherein X has the formula --CR5 .dbd.CR6 --, --C.tbd.C-- or ##STR2## wherein ring A is phenyl, naphthyl or heterocyclic; wherein R1 is hydrogen, alkyl, alkanoyl or aroyl; wherei...
01/28/1992
5081283Fluorocyclopropyl derivative fungicide intermediates
Novel intermediates for fungicides, comprising fluorocyclopropyl derivatives of the formula ##STR1## in which R represents alkyl, optionally substituted aryl or optionally substituted aralkyl, X represents hydrogen, chlorine or bromine and R1
01/14/1992
5008459Substituted phenols as stabilizers
Novel compositions are described which comprise an elastomer or a lubricant and at least one compound of the formulae I or II ##STR1## The symbols R1, R2, R3, Z1 and Z2 are as defined in claim 1....
04/16/1991
4990677Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives
Fungicidal and plant growth-regulating azolylmethylcyclopropyl derivatives of the formula ##STR1## in which R represents halogen, alkyl or optionally substituted phenyhl, or represents the groupings --Y--R2, wherein Y represents oxygen, su...
02/05/1991
4931474Ether derivative and an acaricidal or insecticidal composition comprising said derivative
An ether derivative compound of the formula: ##STR1## wherein R1 is hydrogen, chloro, methyl or (C1 -C3)-alkoxy, R2 is (C1 -C6)-alkyl, R3 is hydrogen, chloro, bromo, fluoro,...
06/05/1990
4894109Method and apparatus for tacking together the copies of multicopy forms
A method and apparatus for tacking together multipage forms having pin holes with the use of adhesive tacking tape....
01/16/1990
4874885Process for the preparation of mercaptomethylphenols
There is disclosed a process for the preparation of compounds of formula I or II ##STR1## from phenols by reaction with formaldehyde and mercaptans in the presence of mono-, di- or trimethylamine or mono- or diethylamine. The symbols R1 is...
10/17/1989
4837364Processes for preparing pentafluoroethoxy- and pentafluoroethylthiobenzene drivatives
A process for the preparation of (pentafluoroethoxy)- and (pentafluoroethylthio)benzene derivatives either from phenol, thiophenol or from halobenzene. A halobenzene is reacted with trifluoroethanol or a phenol or a thiophenol is reacted with a compound o...
06/06/1989
4816596Process for preparing trifluoroethoxybenzene or trifluoroethylthiobenzene
A process for preparing substituted or unsubstituted trifluoroethoxy- or trifluoroethylthiobenzenes by reaction of a phenol or thiophenol, both of which may be substituted or unsubstituted, with a compound of the formula CF3 --CH2 --...
03/28/1989
4792633Preparation of ortho-(alkyl- or arylthio)phenols
Strong acids, e.g., aluminosilicates and sulfonic acids are employed as catalysts for the (alkyl or aryl)thiolation of phenols using dialkyl or diaryl disulfides and/or (alkyl- or arylthio)phenols as thiolating agents, and for the isomerization of (alkyl-...
12/20/1988
4791123Insecticidal triffluormethyl alkane derivatives
There are provided new alkane and alkoxyalkane derivatives of the general formula I ##STR1## in which R1, R2, R3, R4 and A have the meanings given in the description, processes for their preparation and ins...
12/13/1988
4788012Process for the preparation of benzyl trifluoromethyl sulfide
A process for the preparation of a benzyl trifluoromethyl sulfide by bringing a benzyl thiocyanate and trifluoromethyl bromide into contact with zinc in a polar aprotic solvent or a pyridine. The invention also relates to a process for the preparation of ...
11/29/1988
4745227Reversible photochromatic solid
New compounds having the generic formula: ##STR1## wherein: X=halogen, Y= ##STR2## X=Y= ##STR3## X=Y= ##STR4## R=hydrogen, halogen such as chlorine, lower alkoxy such as methoxy, or lower alkyl such as methyl. These new compo...
05/17/1988
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