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Matches 301 - 350 out of 5,382

Document Document Title
WO/2003/048090A1
There is provided processes for metal mediated reactions, particularly cross coupling and carbometallation reactions, wherein the metal is present as a catalyst system comprising a catalyst microencapsulated within a permeable polymer mi...  
WO/2003/040255A1
There are provided novel blue light-emitting organic electroluminescent polymers having a main chain consisting of 9,10-diphenylanthracene and vinylene, and electroluminescent devices using the same. With the introduction of substituents...  
WO/2003/035483A2
The invention relates to the production of fluorine-containing anilines. The polyfluoride benzo-trifluoride is used as an original substance. An initial substitution of the fluorine atom in a benzene ring of said polyfluoride benzo-trifl...  
WO/2003/028125A2
Substituted pentacene compounds comprise at least one substituent selected from the group consisting of electron-donating substituents, halogen substituents, and combinations thereof; the substituent(s) each being bonded to a carbon atom...  
WO/2003/027050A2
A process for preparing substituted pentacene compounds comprises the step of cyclizing substituted bis(benzyl)phthalic acids using an acid composition comprising trifluoromethanesulfonic acid, the substituted bis(benzyl)phthalic acids b...  
WO/2003/024903A1
The use of a mesogenic compound having a terminal end chain comprising carbon, oxygen, or sulphur, which has at least one pendent C¿1-4?alkyl, C¿1-4?alkoxy or a cycloalkyl ring, arranged no more than 6 atoms from the end of the chain e...  
WO/2003/010120A1
The invention relates to indanes with negative $g(D)$g(e) of formula (Ia) or (Ib), where R, A, Z, X, Y, V, W, n and m have the meanings given in claim 1. The compounds are particularly suitable for the production of VA-TFT displays.  
WO/2003/006151A1
A microencapsulated catalyst is prepared by dissolving or dispersing a catalyst in a first phase (for example an organic phase), dispersing the first phase in a second, continuous phase (for example an aqueous phase) to form an emulsion,...  
WO/2003/002495A1
The present invention relates to novel treatment of adrenocortical hypersecretion. More specifically, the present invention relates to chemical substances having selective adrenal toxicity for use in medicine, especially for treatment of...  
WO/2003/002157A1
The present invention relates to novel solid-phase processes for the production of radiolabelled tracers, in particular for the production of ?18¿F-labelled compounds which may be suitable for use as Positron Emission Tomography (PET) r...  
WO/2002/100941A1
The present invention relates to hydrogenated nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art. Another object is the use of said nitrile rubber for the manufa...  
WO/2002/092608A2
The invention relates to a novel method for producing nucleophilic substitutions, particularly of type SNAr and SN2. More specifically, the invention relates to the use as a fluorinating reaction medium of ionic liquid or fused salt comp...  
WO/2002/092226A1
The invention concerns novel catalysts for aromatic nucleophilic substitution. Said catalysts are compounds of the general formula (I), wherein: R¿1?, R¿2?, R¿3?, R¿4?, R¿5?, and R¿6?, identical or different, are selected among hyd...  
WO/2002/088274A1
Disclosed are double-spiro organic compounds for use in the organic electroluminescence. The double-spiro organic compounds have a configuration or structure including at least three planar moieties, which are substantially linearly conf...  
WO/2002/079344A1
The invention relates to novel fluorinated fluorene derivatives with negative anisotropy of the dielectric constant, of formula 1, R?1¿ -(-A?1¿-Z?1¿-)¿k1?-(A?2¿-Z?2¿-)¿k2?-W-(-Z?3¿-A¿?3¿- )¿k3?(-Z?4¿-A?4¿-)¿k4?-R?2¿, where...  
WO/2002/077060A1
The invention relates to novel polymers containing spirobifluorene units and fluorene units of formulas (I) and (II), which can contain additional other structural elements that can have charge transfer properties, hole transfer properti...  
WO2002046507A3
A chemically amplified photoresist composition comprising, (a) a compound which cures upon the action of an acid or a compound whose solubility is increased upon the action of an acid; and (b) as photosensitive acid donor, at least one c...  
WO/2002/068367A1
The present invention generally relates to methods of inhibiting ethylene responses in plants and plant materials, and particularly relates to methods of inhibiting various ethylene responses including plant maturation and degradation, b...  
WO1999019420A8
A ferroelectric liquid crystal mixture, especially useful for operation in the tau Vmin-mode, comprises a 5-Arylindane derivative of formula (I), wherein Y is CH, CF or N and R<1>(-A<1>-M<1>)a(-A<2>-M<2>)b-, (M<3>-A<3>-)cR<2> are mesogen...  
WO/2002/055463A1
The invention relates to fluorinated aromatic compounds of formula (I) wherein X represents CH¿2?, C=O, CF¿2?, O or S; and Y represents H or F provided that Y is the same as F when X represents CH¿2?, the other parameters having the d...  
WO2002012154A3
The invention relates to a metal-free cyclopentadienide compound which can form a catalyst system in conjunction with a metallocene. Said catalyst system can be used for the polymerisation of olefins. The use of methylaluminoxane (MAO) o...  
WO2002004529A3
A method of removing at least one inert reaction diluent and/or wash diluent from a waste stream from a catalyst precursor production unit, where the waste stream includes at least one reaction diluent or wash solvent, at least one titan...  
WO/2002/046507A2
A chemically amplified photoresist composition comprising, (a) a compound which cures upon the action of an acid or a compound whose solubility is increased upon the action of an acid; and (b) as photosensitive acid donor, at least one c...  
WO/2002/042246A1
The invention concerns a method for preparing dichlorodiarylmethanes which consists in reacting an arene, a (trichloromethyl)arene in the presence of AICI¿3? in an aromatic solvent then in carrying out controlled hydrolysis of the dichl...  
WO/2002/030852A1
A process for the halogenation of an aromatic compound wherein the aromatic compound is admixed with a halogenating agent in the presence of an ionic liquid is described. The method for the halogenation of aromatic compounds is preferabl...  
WO/2002/022538A2
A two-step process for the preparation of fluoroolefin compounds of formula (I) wherein R is hydrogen or alkyl, and R?1¿ is alkyl or cyclopropyl, or R and R?1¿ are taken together with the carbon atom to which they are attached to form ...  
WO2001085649A3
A method for synthesizing compounds of Formula (I) in which R is alkyl or aryl and X is any halogen is described.  
WO2001079148A3
A method of making a benzoyl halide is disclosed. Into a reactor is placed a reaction mixture of a benzotrihalide and a benzaldehyde having the respective general formulas (1) and (2), where each A is independently selected from halogen,...  
WO/2002/014244A1
An organic electroluminescent element which comprises one pair of electrodes and, pinched between the electrodes, at least one layer containing at least one novel hydrocarbon compound having an anthracene ring and a fluorene ring which a...  
WO/2002/012154A2
The invention relates to a metal-free cyclopentadienide compound which can form a catalyst system in conjunction with a metallocene. Said catalyst system can be used for the polymerisation of olefins. The use of methylaluminoxane (MAO) o...  
WO2001060946A3
A new class of asymmetric polar diphenyldiacetylene liquid crystal compounds and method for preparation are disclosed. The new class of liquid crystal compounds comprises the basic structure (5), wherein R1 is an alkenyl group having the...  
WO/2002/004529A2
A method of removing at least one inert reaction diluent and/or wash diluent from a waste stream from a catalyst precursor production unit, where the waste stream includes at least one reaction diluent or wash solvent, at least one titan...  
WO/2002/002504A1
To provide a novel method for producing a fluorinated benzenedimethanol compound useful as a starting material or an intermediate in the production of agricultural or medicinal chemicals in an industrially advantageous manner. A method f...  
WO/2001/096267A1
A process is disclosed for producing fluorinated benzene. The process involves (a) contacting chlorobenzene starting material with a metal fluoride composition of the formula (AgF)(MF¿2?)¿x? (where M is Mn, Fe, Co, Ni, Cu, Zn or a mixt...  
WO/2001/096266A1
A process is provided for increasing the fluorine content of benzene or pyridine rings which are optionally substituted with from 1 to 3 inert substituents. The process involves (a) contacting the ring with a metal fluoride composition c...  
WO/2001/085649A2
A method for synthesizing compounds of Formula (I) in which R is alkyl or aryl and X is any halogen is described.  
WO/2001/081477A1
A substance for refractive index regulation which has satisfactory compatibility with a noncrystalline fluoropolymer (A); and a light-transmitting material comprising a composition of the polymer (A) combining high transparency with heat...  
WO/2001/081349A1
A novel, optically active, quaternary ammonium salt with axial asymmetry which is useful as a phase-transfer catalyst with which a glycine derivative is stereoselectively alkylated to convert it into an optically active $g(a)-amino acid ...  
WO/2001/079148A2
A method of making a benzoyl halide is disclosed. Into a reactor is placed a reaction mixture of a benzotrihalide and a benzaldehyde having the respective general formulas (1) and (2), where each A is independently selected from halogen,...  
WO/2001/074746A1
According to the invention, 2,3,4,5-tetrachlorobenzotrifluoride is prepared by chlorinating 4-chlorobenzotrifluoride with elementary chlorine. The chlorination is conducted in the presence of 0.1 to 2 wt. % iron (III) chloride and 0.5 to...  
WO2001017972A3
The invention relates to novel compounds of formula (I), wherein the substituents have the significance cited in claim (1) and the agronomically compatible salts, isomers and enantiomers of said compound, which are suitable for use as he...  
WO/2001/068575A1
A cation or acid generator which, upon irradiation with energy rays, can generate cations or an acid with high sensitivity and which is suitable for use in chemical amplification type resist materials. It comprises an energy-ray-sensitiv...  
WO2001038337A3
One aspect of the present invention relates to optionally substituted halogenated benzyl halides and the like. These compounds are useful as halogenated benzyl ether-based protecting groups for a variety of functional groups. Another asp...  
WO/2001/064611A1
Polyacene derivatives of the general formula (I); a process for preparing the derivatives from polyhydro compounds; and electrically conductive materials containing the derivatives: In said formula (I) R?1¿ to R?10¿ are each hydrogen, ...  
WO/2001/060946A2
A new class of asymmetric polar diphenyldiacetylene liquid crystal compounds and method for preparation are disclosed. The new class of liquid crystal compounds comprises the basic structure (5), wherein R¿1? is an alkenyl group having ...  
WO/2001/058862A1
The invention relates to a method for producing diaryliodonium sulfonates in high yields and with a high degree of purity and then isolating the same, by reacting special diaryliodonium salts with an aliphatic or aromatic sulfonic acid o...  
WO/2001/058846A1
A method for manufacturing 3,5-difluoroaniline by fluorinating 1,3,5-trichlorobenzene and then aminating the intermediate fluorinated benzene with aqueous or anhydrous ammonia to achieve the product in yields of greater than 80 %.  
WO/2001/056962A1
Perfluoroisopropylbenzene derivatives of the general formula (I) or salts thereof, useful as intermediates or raw materials in the synthesis of various industrial materials including agricultural chemicals, drugs and surfactants, wherein...  
WO1999015129A3
Selective inhibitors of the cPLA2 enzymes are provided which are of use in controlling a wide variety of inflammatory diseases. The inhibitors of the present invention have general formula (i), where (R<1>), p, D, Y, Z, R, R and A are as...  
WO/2001/051437A1
Disclosed is a method of separating the meta isomer of a haloalkylbenzene having general formula (I) from a mixture with at least one other isomer, where X is C1 or Br and R is alkyl from C¿2? to C¿12? of cycloalkyl from C¿3? to C¿8?...  

Matches 301 - 350 out of 5,382