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Matches 301 - 350 out of 5,303

Document Document Title
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?...  
WO/2001/040167A1
A production process by which an onium salt derivative useful as, e.g., an acid generator in resists of the chemical amplification type can be synthesized in high yield. The process comprises reacting an onium salt derivative having a ha...  
WO/2001/038337A2
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/2001/030727A1
Disclosed is a method of increasing the percentage of certain isomers made when di or tri-substituted benzenes are chlorinated in the presence of a Friedel-Crafts catalyst. The use of about 0.001 to about 1 wt.% a cocatalyst during chlor...  
WO/2001/030728A1
Disclosed is a method of making high purity 2,4- and 3,4-dichlorotoluene from parachlorotoluene that contains some metachlorotoluene. About 0.0001 to about 5 wt% of a Friedel-Crafts catalyst and about 0.5 to about 10 equivalents of a bro...  
WO/2001/023329A1
The invention relates to a method for brominating organic compounds and to bromination microreactors for carrying out said method.  
WO/2001/017972A2
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...  
WO2000071500A8
The invention relates to novel halogen compounds, to a method for producing them and to their use for treating plants for protecting them against attack from phytopathogenic microorganisms and insects. The invention also relates to novel...  
WO/2001/010803A1
A novel compound represented by general formula (I) and a nematic liquid crystal composition containing the same. A compound represented by general formula (I) can be produced with great ease as is shown in an example and has excellent c...  
WO1998005610A3
A process is disclosed for preparing fluorine-containing compounds by reacting a compound which contains a halogen that can be replaced by fluorine with a fluoride or a mixture of fluorides of general formula (I): MeF, in the presence of...  
WO/2000/076946A1
A process is described for the preparation of compounds having the formula (I) C¿6?F¿4?HX, wherein X is Br or C1, which comprises reacting tetrafluorobenzene with a halogen in the presence of a Lewis acid catalyst.  
WO/2000/076947A1
The present invention is concerned with a novel process for the preparation of 3,5-bis(trifluoromethyl)bromobenzene (CAS 328-70-1). This compound is useful as an intermediate in the synthesis of compounds which possess pharmacological ac...  
WO/2000/071500A1
The invention relates to novel halogen compounds, to a method for producing them and to their use for treating plants for protecting them against attack from phytopathogenic microorganisms and insects. The invention also relates to novel...  
WO/2000/069798A1
According to the invention, 4-chlorobiphenyl is produced in a particularly advantageous manner by reacting biphenyl and chlorine in the presence of core chlorinating catalysts and by subjecting the resulting reaction mixture to a fractio...  
WO/2000/069823A1
The present invention relates to ion channel modulating agents. More particularly, the present invention relates to a particular class of chemical compounds represented by general Formula (I) and a pharmaceutically acceptable salt or an ...  
WO/2000/061531A1
The invention relates to a method of producing mono-, bi- and/or polyfunctional biaryls of the general formula (I) Ar-Ar' by reacting halogenated aromatics of the general formula (II) Ar-X with boron compounds of the general formula (III...  

Matches 301 - 350 out of 5,303