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Patent No. 5265827

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 568/589 - Acyclic


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which do not include a ring.
No. of patents: 39
Last issue date: 10/07/2008


NumberTitleIssue Date
7432399Diols formed by ring-opening of epoxies
A polyol monomer comprising the formula: R1 and R3 are —H, aliphatic, aromatic, or ether; R2 is aliphatic, aromatic, ester, ether, or acrylic, and R1 contains a hydroxyl group, ...
10/07/2008
72886812-nitratoethyl oxirane, poly(2-nitratoethyl oxirane) and preparation method thereof
A synthesis of an energetic prepolymer used as a high-energy binder for an insensitive and high performance explosive is disclosed. More specifically, provided are a novel compound 2-nitratoethyl oxirane expressed by formula III, a novel compound poly(2-nitratoethyl...
10/30/2007
7223803Polyethylene (glycol) derivatives with proximal reactive groups
An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and h...
05/29/2007
7135600Phenethanolamine derivatives for treatment of respiratory diseases
The present invention relates to novel compounds of Formula (I), to a process for their manufacture, to pharmaceutical compositions containing them, and to their use in therapy, in particular their use in the prophylaxis and treatment of respiratory diseases. ...
11/14/2006
7030278Polyethylene(Glycol) derivatives with proximal reactive groups
An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and h...
04/18/2006
6984759Process for the preparation of perfluoropolyethers having aldehyde, alcohol, amine end groups by catalytic reduction
Process for the perfluoropolyether preparation having reactive end groups —CH2NH2, —CHO, —CH2OH, by reduction of the corresponding perfluoropolyethers having —CN, —COCl, —CHO end groups by using gaseous hydrogen in the pr...
01/10/2006
6649780Cationic lipids
Cationic lipids are provided which are useful in the preparation of liposomes and other lipid vesicle carriers. The lipids of the invention are particularly useful as carriers of nucleic acids and other negatively charged substances, for delivery to cells...
11/18/2003
6608230Single-stage method for producing ଱-hydroxy ethers by oxidizing C=C unsaturated compounds with hydroperoxides
A single-stage method for producing ଱-hydroxy ethers by oxidizing olefinic substrates with organic hydroperoxides and opening the resultant oxirane ring by means of monovalent or polyvalent alcohols wherein a molybdenum compound in combination with ...
08/19/2003
6458837Lipophilic diesters of chelating agents
The invention discloses stable diesters of chelating agents of divalent metal ions, processes for their preparation and pharmaceutical compositions thereof. Most preferred compounds according to the present invention are stable lipophilic diesters compris...
10/01/2002
6437025Poly(ethylene glycol) derivatives with proximal reactive groups
An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is bra...
08/20/2002
6380439Single-stage method for producing ଱-hydroxy ethers by oxidizing C=C-unsaturated compounds with hydroperoxides
A single-stage method for producing ଱-hydroxy ethers by oxidizing olefinic substrates with organic hydroperoxides and opening the resultant oxirane ring by means of monovalent or polyvalent alcohols wherein a molybdenum compound in combination with ...
04/30/2002
6372927Process for preparing alkylene oxide adducts
The process for preparing an alkylene oxide adduct, including the steps of feeding an organic compound having active hydrogen and an alkylene oxide to a reaction column packed with a solid catalyst, and carrying out addition reaction of the organic compou...
04/16/2002
6362254Poly(ethylene glycol) derivatives with proximal reactive groups
An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is bra...
03/26/2002
6191315Haze free polyether polyol compositions and a method for their preparation
Most generally, the invention provides a method for making a neutralized polyether polyol, comprising the steps of a) Polymerizing one or more alkylene oxides in the presence of an alkaline catalyst to form a polyalkylene oxide intermediate; and b) Neutralizin...
02/20/2001
6133211Block copolymers, their preparation and their use as lubricants
Block copolyethers having general formula (I): RX--(CH2 --CHR1 --O--)x --(--CH2 CHR2 --O--)y --(--CH2 --CHR3 --O--)z --R4 wherein: R is selected from H, al...
10/17/2000
60374963-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide for the production of polyurethanes
3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide is a new compound which is useful as a catalyst in the production of polyurethane foams....
03/14/2000
6037455Propoxyphene derivatives and protein and polypeptide propoxyphene derivative conjugates and labels
The present invention is directed to novel propoxyphene derivatives which are synthesized for the covalent attachment to antigens (proteins or polypeptides) for the preparation of antibodies or receptors to propoxyphene and propoxyphene metabolites. The r...
03/14/2000
5871675Crosslinked tinted polymers
The invention relates to a novel process for the production of tinted mouldings, in particular tinted contact lenses, in which a crosslinkable tinted polymer comprising units containing a crosslinkable group and units containing a reactive dye radical is ...
02/16/1999
5869715Polyfunctional cationic cytofectins
For use in transporting biologically active species into and through membrane barriers, a cationic amine compound is utilized that has the general structure: ##STR1## wherein R4 and R5 are a pair of same or different lipoyl ...
02/09/1999
5801260Carbonothioate phospholipid analogs as substrate of phospholipases and lipases
Novel substrates of phospholipases, lysophospholipases and lipases are disclosed....
09/01/1998
5708092Functionalized chain extended initiators for anionic polymerization
A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure: M--Qn --Z--OA(R1 R2 R3) wherein M is defined as an alkali metal, selected from the group consis...
01/13/1998
5616745Lipopolyamines, their preparation and their use
New lipopolyamines of general formula (I), their salts, their preparation and their use. ##STR1## n=1 to 5 and m=2 to 6 R represents a radical ##STR2## (R1 and R2 : aliphatic radical containing 12 to 22 carbon atoms; R...
04/01/1997
5491261Poly-perfluoroalkyl-substituted alcohols and acids, and derivatives thereof
Di-, tri- and poly-perfluoroalkyl-substituted alcohols and acids and derivatives thereof are described which are prepared from perfluoroalkyl iodides and di-, tri- or polyallyl alcohols or acids. These compounds contain two or more perfluoroalkyl-iodoalky...
02/13/1996
5468841Polymerization of energetic, cyclic ether monomers using boron trifluoride tetrahydrofuranate
The present invention provides an improved method of carrying out cationic polymerization of cyclic ether monomers substituted with high-energy, electron-withdrawing pendant groups (e.g., BAMO and NMMO). Such cyclic ether monomers are polymerized with an ...
11/21/1995
5380777Polyglycidyl nitrate plasticizers
This invention is first, a difunctional poly(glycidyl nitrate) oligomer (PGN oligomer), second, nitrated PGN oligomer and third, the use of the nitrated PGN oligomer as a plasticizer, particularly as a plasticizer for binders used in and/or as energetic f...
01/10/1995
5326829Process for the production of activated polyethers
Disclosed herein is a method of preparing an activated polyether polyol by reacting an aminoalcohol with a polyether terminated with a leaving group....
07/05/1994
5290912Process for producing a polyoxyalkylene compound
The present invention has an object of producing a polyoxyalkylene compound by ring-opening polymerization of an alkylene oxide to a certain specific highly hydrophobic initiator. The present invention provides a process for producing a polyoxyalkylene co...
03/01/1994
5258544Synthesis of aldehydes useful in the preparations of HMG-CoA reductase inhibitors
Disclosed is a process for the preparation of 2-aryl-1-cyclohexene-1-carboxaldehydes from 1-arylcyclohexenes which are intermediates for trans-6-[(2-arylsubstituted cycloalkenyl and substituted cycloalkyl)alkenyl and alkyl]-3,4,5,6-tetrahydro-2H-pyran-2-o...
11/02/1993
5017718Process for preparing polyfluoroalkyl-substituted compounds
A process for preparing a perfluoroalkyl-substituted compound is disclosed. The process comprises reacting a halopolyfluoroalkane having 1 to 20 carbon atoms with a compound selected from the group consisting of (1) a substituted or unsubstituted ethylene...
05/21/1991
4855508Energetic diethers and process for their preparation
The invention comprises a novel preparation of energetically substituted diether compounds and novel diether compounds not previously reported. In one embodiment certain isomeric forms of dibromoalkanes are converted to corresponding isomers of bromoalkyl...
08/08/1989
47452082,2,2-trinitroethyl 2-nitroxyethyl ether and a method of preparation
2,2,2-trinitroethyl 2-nitroxyethyl ether (TNEN), C(NO2)3 CH2 CH2 CH2 ONO2, which is prepared by the following reaction sequence: 2,2,2-trinitroethyl 2-nitroxyethyl ether is useful an an energetic...
05/17/1988
4727199Heterogeneous alkoxylation using anion-bound metal oxides
Active-hydrogen compounds, for example, primary and secondary alcohols or diols, are alkoxylated, for example, ethoxylated, using solid anion-bound metal oxide catalysts, such as, zirconium oxysulfate catalyst. Hydrous zicronium oxide is treated with solu...
02/23/1988
4594430Synthesis of geminal dinitro compounds
Geminal dinitro compounds are prepared by reacting an organic nitro compound having a replaceable hydrogen on the carbon to which the nitro group is attached with a source of nitrite ions in the presence of an oxidizing agent and a catalytic amount of an ...
06/10/1986
4433179Process for the preparation of di- and poly-allyl ethers
A process for the preparation of allyl ethers of the formula in which R and n are as defined in claim 1, by reacting hydroxy compounds of the formula with allyl chloride or allyl bromide by phase transfer catalysis, 0.8 to 5 mols of allyl chloride or allyl bro...
02/21/1984
4426540Synthesis of vinyl ethers
Vinyl ethers are prepared by reacting divinyl ether with a primary alcohol in the presence of a catalytic amount of red mercuric oxide and trifluoroacetic acid. The vinyl ethers so produced are particularly useful as monomers which can be polymerized into...
01/17/1984
4424398Process for preparation of energetic plasticizers
A process for synthesizing energetic ethers, esters and acetals is disclosed that comprises reacting certain alcohols with certain alkenes or alkynes in the presence of mercuric or mercurous sulfate. The products obtained are particularly useful as plasti...
01/03/1984
4341712Fluorodinitro compounds
Fluorodinitro compounds are proposed as new compositions of matter which are useful as energetic ingredients for propellant and explosive formulations....
07/27/1982
4282387Process for preparing polyols
The invention describes an improved process for preparing polyols by reacting a mono-epoxy compound such as propylene oxide with a hydroxyl-containing initiator compound such as glycerine in the presence of a catalyst, the improvement being that the catal...
08/04/1981
3931257Polyene compounds
Novel 9-substituted phenyl- or cyclohex-1-en-1-yl-3,7-dimethyl-nona-2,4,6-trienoic acids or derivatives thereof, -trienal or -trienol derivatives are described. The subject compounds are useful in the treatment of certain dermatoses and inflammatory ...
01/06/1976
 
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