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Matches 151 - 200 out of 1,220

Document Document Title
WO1996010605A3  
WO/1996/010605A2
Disclosed herein are polymers made by free radically polymerizing the novel compound vinyl(perfluorocyclopropane), and optionally other monomers to form copolymers. The repeat unit formed by vinyl(perfluorocyclopropane) contains an olefi...  
WO/1996/006073A1
The invention relates to novel compounds of formula R1-A1-Z1-A2-Z2-A3-R2 in which Z1 and Z2 are laterally substituted cyclohexane and cyclohexene rings such as (2), (3), (4), (5), (6), (7), (8), (9). The compounds are useful as component...  
WO/1996/003357A1
A process for the preparation of a selectively fluorinated organic compound, which process includes reaction of a precursor of said organic compound, the precursor containing at least one Group VI element selected from sulfur, selenium a...  
WO/1996/000707A1
A process for producing a fluorinated vic-dichloroalkene derivative and a fluorinated alkane derivative represented by the respective general formulae from an inespensive starting material: R1-CC1=CC1-R2, R1-CR3R4-CR5R6-R2, (wherein R1 a...  
WO/1995/028373A1
An azeotropic composition comprising cis-1,1,2,2,3,4-hexafluorocyclobutane and at least one compound selected from the group consisting of methanol, ethanol, isopropaneol, n-propanol, tert-butanol, cyclopentane, n-octane, isooctane, n-he...  
WO/1995/007875A1
Cyclofluoroalkylated fullerene compounds and thermolysis process for their preparation.  
WO/1995/006022A1
A process for producing hexafluorocyclobutene by dechlorinating 1,2-dichlorohexafluorocyclobutane with hydrogen in the presence of a metal oxide and/or silicon oxide catalyst. A process for producing (Z)-1,2,3,3,4,4-hexafluorocyclobutane...  
WO/1995/005448A1
A cleaning solvent composition comprising at least one member selected from the group consisting of 1H,2H/-hexafluorocyclobutane, 1,2,2,3,3-pentafluorocyclobutane, 1,2,2,3,3,4,4,5,5-nonafluorocyclopentane, 1H/2H-octafluorocyclopentane, 1...  
WO/1995/004790A1
2-fluorocyclohexene derivatives of the formula (I) in which R, A1, Z1, X, L1, L2, m and n have the meanings given in claim (1) can be used as components of liquid crystalline media for electro-optical display components, especially for m...  
WO/1994/025424A1
Described are fullerene derivatives of the formula (I) in which the symbols are as defined as follows: F is a fullerene unit of the formula C(20+2m) in which m = 20, 25, 28 or 29; E1 and E2, when they are the same or different, are COOH,...  
WO/1994/017018A1
A fullerene derivate has formula (I), in which the symbols and indexes have the following meaning: F is a fullerene residue having the formula (C20+2m), in which m equals 1 to 50; R1 to R8 are the same or different and represent H, CO2R9...  
WO1994009625A3  
WO/1994/014738A1
Described are monomers of the formula (I) (e.g. 3,3,4,4,5,5,6,6-octafluoromethylenecyclopentane) plus copolymers prepared from such monomers and from one or more monomers copolymerizable with them. Such compounds are suitable for use in ...  
WO/1994/009625A2
Storage stable fluorocarbon emulsions having a continuous aqueous phase and a discontinuous fluorocarbon phase, in which the fluorocarbon phase comprises a major amount of a first fluorocarbon or fluorocarbon mixture, and a minor amount ...  
WO/1994/005613A1
A difluoride derivative represented by the general formula: R1-(A1-Y1)m-A2-CF=CF-C=C-A3-(Y2-A4)n-R2, wherein A1 through A4 represent each trans-1,4-cyclohexylene, 1,4-cyclohexenylene or 1,4-phenylene; m and n represent each 0 or 1; and R...  
WO/1994/002563A1
Refrigerant compositions include mixtures of 1,1,2,2-tetrafluoroethane and a second component wherein the second component is 1,1,12,2,3,3-heptafluoropropane, 1,1,1,2,2-pentafluoropropane, tris(trifluoromethyl)amine, cyclopropane, perflu...  
WO/1993/016022A1
An alkylative cycloaddition method is provided that is particularly useful for the synthesis of many of the Vitamin D analogues with differing side chains. Thus, a preferred synthesis is of Vitamin D analogues having a side chain R1 wher...  
WO1993009074A3  
WO/1993/009074A2
Compounds having acidic protons and a molecular structure which can delocalize the electron density of the conjugate base (target compounds) are chlorinated by contacting such compounds with a perchloroalkane and aqueous base in the pres...  
WO1993005002A3  
WO/1993/009078A1
Active methine compounds are chlorinated by contacting such compounds with a perchloroalkane and aqueous base in the presence of a phase transfer catalyst which is a tetraalkylonium hydroxide. Chlorinated products, preferably tertiary al...  
WO/1993/008799A1
Novel indane and indene derivatives are described which are endothelin receptor antagonists.  
WO/1993/007128A1
This invention relates to substituted cyclic carbonyls and derivatives thereof useful as retroviral protease inhibitors, to pharmaceutical compositions comprising such compounds, and to methods of using these compounds for treating viral...  
WO/1993/005002A2
A catalytic process is disclosed for producing fluorine-substituted hydrocarbon products of the formulae RCH2CF2R and RFC=CHR at an elevated temperature, from compounds of the formula RCHFCHFR, where each R is independently selected from...  
WO/1993/002029A1
Catalytic hydrogenolysis of fluorohalocarbons (e.g., CFCs) and fluorohalohydrocarbons (e.g., HCFCs), using catalysts of Re, Co, Ni, Ru, Rh, Pd, Os, Ir, and/or Pt on a carbon having low ash content. Preferred catalysts use carbon which is...  
WO/1992/021734A1
The invention concerns vinyl compounds of formula (I), in which R is H, an alkyl or alkenyl group with 1 to 15 C-atoms which may be unsubstituted, substituted singly by CN or CF�3? or substituted at least singly by halogen, one or more...  
WO/1992/019748A1
In addition to virions, herpesvirus-infected cells produce non-infectious particles, termed L-particles, which consist of tegument surrounded by envelope but lack the nucleocapsid. L-particles of a herpesvirus can be prepared substantial...  
WO/1992/017558A1
The azeotropic and azeotrope-like compositions of 1,1,1,2-tetrafluoroethane and one of 1,1-difluoroethane, 1-chloro-1,1-difluoroethane, dimethyl ether, perfluorocyclobutane, n-butane, isobutane and 1,1,1,2,3,3,3-heptafluoropropane, and t...  
WO/1992/006942A1
This invention concerns a process for the production of polyfluoroolefins by the catalytic addition of polyfluoroallylic fluorides to fluoroéthylenes. 1:1 and 1:2 adducts such as F-pentene-2 and F-heptene-3 can be formed selectively and...  
WO/1992/001762A1
Near-Azeotropic blends of: pentafluoroethane and 1,1,1-trifluoroethane with one or more of chlorodifluoromethane, 1,2,2,2-tetrafluoroethane, 1,1,2,2-tetrafluoroethane, 1-chloro-1,1,2,2-tetrafluoroethane, 1-chloro-1,2,2,2-tetrafluoroethan...  
WO/1991/016390A1
Azeotrope-like blends are disclosed comprising effective amounts of 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-difluoroethane (HFC-152a) and a halocarbon selected from the group consisting of 2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124),...  
WO/1991/013846A1
The compound 1,1,2,2,3,3-hexafluorocyclopentane and mixtures thereof with alcohols, ethers, esters, ketones, nitromethane, and halogenated hydrocarbons are disclosed; as is a process for cleaning a solid surface which comprises treating ...  
WO/1991/013946A1
Azeotropic mixtures of perfluoro-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane, are useful in solvent cleaning applications, and as refrigerants, aerosol propellants and polymer blowing agents.  
WO/1991/013967A1
Azeotropic mixtures of perfluoro-1,2-dimethylcyclobutane, methanol and either 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane, are useful in solvent cleaning applications, and as refrigerants, aerosol propellants and polymer blowi...  
WO1991005750A3  
WO/1991/005750A2
This invention concerns a process for preparing fluoroalkyl substituted olefins, fluorinated ketones and fluorinated aromatic compounds by the catalyzed reaction of fluoroalkylsilanes with selected fluorinated olefins, acyl fluorides and...  
WO1991003442A3  
WO/1991/004955A1
A halocarbon product made from the reaction of excess hydrogen fluoride with a halocarbon, containing excess hydrogen fluoride as an azeotrope is purified by fluorination in the presence of additional halocarbon or halo-olefin.  
WO/1991/003442A2
In a process for separating mixtures of partially fluorinated or perfluorinated hydrocarbon compounds which possibly contain other chain members from the group of heteroatoms: nitrogen, oxygen, boron, phosphorus and sulphur and/or can be...  
WO/1990/012073A1
The invention concerns trifluoromethylcyclohexane derivatives of the formula (I) in which R, A?1¿, A?2¿, (a), Z?1¿, Z?2¿ and o are as defined in claim 1. These compounds can be used as components of liquid-crystal media for electro-o...  
WO/1990/004921A1
Novel pesticidal compositions, which are characterized by biodegradability and do not bioaccumulate to an unacceptable level in fats and tissues of animals, fowl and fish, containing active compounds and optionally a carrier suitable for...  
WO/1990/003353A1
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.  
WO/1989/012085A1
Molecular building beams, liquid crystals, and surfactants in the form of compounds based on [1.1.1]propellane, including poly[1.1.1]propellanes. Molecular building beams having a telomeric or polymeric chain staff, and linking groups fu...  
WO/1989/009764A1
Chiral or achiral cyclic compounds of formula R1-(A1-Z1)m-A2-Q1-C*R°CF3-X, wherein R1 denotes alkyl or perfluoralkyl which can be interrupted by O- and/or -CO- and/or -CO-O- and/or -CH=CH- and/or -CH halogen- and/or -CHCN- and/or -O-CO-...  
WO/1989/004819A1
Derivatives of trifluoromethyl-1-tetralines having the general formula (I), wherein X is a hydrogen atom, a halogen, a hydroxy group, an alkoxy group from C1 to C8 or an optionally substituted aromatic ring; R1 is a hydrogen atom or an h...  
WO/1988/008441A1
An electro-optical liquid crystal display element comprises a dielectric with at least two liquid crystal components. In order to shorten the switching time, the dielectric contains at least one fluorine compound of formula (I): R1-(A1-Z...  
WO/1988/007514A1
Tolanes having the formula (I): R1-(A1-Z1)m-A3-C=C-A4-(A2)n-R2, in which R1, A1, Z1, m, A3, A4, A2, n and R2 are as given in claim (1), and application of said tolanes as components of liquid crystal phases, particularly as components of...  
WO/1988/007516A1
Ethine derivatives of the formula R1-(A1-Z1)m-A3-C=C-A4-(Z2-A2)n-R2, in which R2 = -OCF3'-OC2F4H or -OC2F5 are suitable as components of liquid crystal phases.  
WO/1988/007523A1
Compositions containing the structural constituents -A3-C=C-A4-in which A3 and A4 each independently represent; a) a 1,4-phenylene residue, in which one or more non-adjacent CH groups may be replaced by N; b) a 4,4-biphenylene residue, i...  

Matches 151 - 200 out of 1,220