Matches 51 - 100 out of 297 < 1 2 3 4 5 6 >
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5621144 Fluorinated compounds as oxygen transport agents  
New compounds are described typically having the formula CH 3 C(CH 2 R) 3 or ZCH 2 C(CH 2 R) 3 where R is a fluorohydrocarbon or perfluorocarbon group, preferably containing 4-16 carbon atoms...
5605956 Fluorinated polyisocyanates  
A fluorinated polyisocyanate which comprises an organic polyisocyanate reacted with a fluorinated monofunctional alcohol represented by the formula ##STR1## where R f is a fluoroalkyl containing...
5578278 Tubular reactor system for direct fluorination  
Direct fluorination of organics such as 1,8-dichlorooctane in tubular reactor. Inert liquid containing organic feed is circulated through tubular reactor with fluorine gas for a time and at a...
5576467 Method of preparing an alcohol  
The present invention relates to a method of preparing an alcohol by reducing a carboxylic acid or a derivative thereof, more particularly, a method of preparing an alcohol by a reduction reaction...
5488142 Fluorination in tubular reactor system  
Direct fiuorination of organics such as 1,8-dichlorooctane in tubular reactor. Inert liquid containing organic feed is circulated through tubular reactor with fluorine gas for a time and at a...
5316686 Perfluoroalkylether tertiary alcohols  
Perfluoroalkylether (PFAE) tertiary mono- and poly-alcohols of the general structure: ##STR1## wherein R 1 and R 3 represent perfluoroalkyl groups having from one to fifty carbon atoms or PFAE...
5276218 Preparation of β-fluoroalcohols  
Process for the preparation of β-fluoroalcohols of the formula (I) ##STR1## in which R 1 and R 2 represent straight-chain or branched alkyl and R 3 and R 4 represent hydrogen or alkyl, in...
5264637 Process for preparing fluoroalcohol  
A fluoroalcohol of the formula Rf(CH 2 CH 2 OH)n (1) is prepared by the following three kinds of processes: (a) by contacting a betaine compound with a...
5260494 Preparation of sodium fluoroalcoholates  
The sodium fluoroalcoholates are prepared under conditions resulting in neither reactant nor final product degradation, by (a) reacting, under reflux, the corresponding fluoroalcohols, e.g., the...
5254755 Partially fluorinated alkanols having a tertiary structure  
Novel partially fluorinated alkanes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF 3 , CHF 2 , CH 2 F, and CH 3 CF 2 , and R'...
5254660 Polyisocyanate solutions useful for impregnating porous inorganic substrates  
Solutions of a) a fluorine-containing polyisocyanate in b) an isocyanate-inert solvent are used to impart water, oil and dirt resistance to porous inorganic substrates impregnated therewith. The...
5254754 Process for preparing adduct of unsaturated alcohol and iodinated fluoroalkane  
An adduct of an unsaturated alcohol and an iodinated fluoroalkane is produced at a high conversion and high yield by reacting the unsaturated alcohol and the iodinated fluoroalkane in the presence...
H001223 Method of making fluorodinitroethanol (FDNE)  
A method of producing FDNE using readily available fluoroolefins as a fluorine source.
5233098 Method for removing and recovering fluorinated alcohol from waste gas  
A method for removing a perfluoroalkyl alcohol from a waste gas and recovering the perfluoroalkyl alcohol comprising the steps of bringing the waste gas into contact with an aqueous alkaline...
5227539 Process for producing salts of fluorinated alcohols  
Process for preparing alkali-metal or ammonium salts of fluorinated tertiary alcohols RxR'y(C n F 2n +1)kC--OM wherein R and R', which may be either equal to, or different from, each other,...
5227540 Process for the preparation of primary and secondary fluorine-containing alcohols  
A process is described for the preparation of fluoroalcohols of the formula below ##STR1## in which R f is a perfluoroalkyl radical having 1 to 20 carbon atoms and R is hydrogen or an alkyl...
5225048 Method for concentration of liquids  
The invention relates to a distillation method and an apparatus for the concentration and purification of water-containing liquid chemicals. The distillation is performed using constant,...
5202506 Oxidative drown process for 2-perfluoroalkylethyl alcohols  
A process for the formation of perfluoroalkylethyl alcohols from perfluoroalkylethyl iodides is disclosed. The process involves treatment of the perfluoroalkylethyl iodide with oleum.
5185477 Halohydrin commpounds  
Novel fluorinated (poly)sulfates, halosulfonates, halohydrins and epoxides, as well as novel processes for producing them are disclosed.
5185421 Fluorinated hydroxy-containing macromonomers  
Disclosed are fluorinated macromonomers containing one or more hydroxy groups, which are useful as monomers in other polymerization. Also disclosed are processes and an intermediate for making such...
5171897 Hexafluoroneopentyl alcohol, derivative thereof fluorine-containing polymer and its use  
This invention provides (i) novel hexafluoroneopentyl alcohol, (ii) its derivatives, i.e., hexafluoroneopentyl (meth)acrylate, (iii) fluorinated polymers comprising said acrylate as the monomer...
5159105 Higher pentafluorosulfanyl-fluoroaliphatic carbonyl and sulfonyl fluorides, and derivatives  
Pentafluorosulfanyl fluoroaliphatic carbonyl and sulfonyl fluorides, derivatives of the acid fluorides and the preparation and use of the acid fluorides and derivatives. The fluoroaliphatic moiety...
5126071 Optically active compound, process for producing same and liquid crystal composition containing same  
An optically active functional compound represented by the following formula (1) is disclosed: ##STR1## wherein R denotes an alkyl group having 1-14 carbon atoms; --X-- denotes ##STR2## Y denotes a...
5126482 Process for producing fluorine-containing carboxylic acids  
Novel fluorine-containing compounds and processes for producing the same are disclosed, the compounds being represented by the general formula (I): ##STR1## wherein R 1 represents an alkyl group...
5097090 Process for the preparation of perfluoroalkylethyl alcohols  
In a process for the manufacture of 2-perfluoroalkylethyl alochols by sulfating 2-perfluoroalkylethyl iodides with oleum followed by hydrolysis of the resulting sulfated reaction mass with water,...
5087775 Process for the preparation of partially fluorinated alcohols  
A process for the preparation of partially fluorinated alcohols starting from halogen-containing alkenes, and 2,2,3,3,4,4-hexafluorocyclopentanol as a new partially fluorinated alcohol.
5057626 Difluoroketones from difluoroacylsilanes  
A process for the synthesis of alpha,alpha-difluoroketones from alpha,alpha-difluoroacylsilanes and intermediates therefor.
5023377 Process for preparing fluorinated compounds  
A process for preparing fluorinated compounds belonging to the classes: XH--Y--CZ 1 Z 2 -(CF 2 ) n F (I) and YH--X--(CF 2 ) n --CZ 1 Z 2 F (II) wherein: ...
5023384 Process for the preparation of trifluoroethanol  
The present invention relates to a process for the industrial preparation of trifluoroethanol by passage of a reaction mixture containing trifluoroacetic acid, water and trifluoroethanol over a...
4999429 Process for the preparation of α,α,β-1-trifluoro-1-olefinic derivatives  
Aryl difluoromethyl sulfone adds to aldehydes under phase transfer conditions to give novel substituted alcohols of the general formula RCH(OH)CF 2 SO 2 Ar (I)...
4983747 Process for preparation of perfluoro organic compounds  
Disclosed is a process for the preparation of a perfluoroorganic compound, which comprises fluorinating a partially fluorinated or unfluorinated organic compound having carbon-to-fluorine bonds...
4982019 Volatile divalent metal alkoxides  
The invention relates to precursors useful for the preparation by CVD of superconducting thin films. The precursors are the volatile alkoxides of the formula M(OR) 2 , wherein M is selected from...
4968848 Process of the prparation of perfluoroalkyl compounds, and pentafluoroethyltrimethylsilane  
A process for the preparation of perfluoroalkyl compounds which comprises reacting a perfluoroalkyl-trimethylsilane of the general formula (CH 3 ) 3 Si-C n F 2n +1 (I), wherein the group C n F...
4957986 Partially fluorinated polyesters from ketene acetals and fluorine monomers  
Partially fluorinated polyesters are disclosed having increased biodegradability and water repellency. The incorporation of an ester group into the backbone of the partially fluorinated compound...
4950811 Process for the preparation of trifluoro-ethanol by hydrolysis, in the gas phase, of chlorotrifluoroethane  
A process for the preparation of trifluoroethanol by hydrolysis, in the gas phase, of chlorotrifluoroethane. A gaseous mixture of 1-chloro-2,2,2-trifluoroethane and water is contacted with a solid...
4917817 Optical active compound, process for producing same and liquid crystal composition containing same  
An optically active functional compound represented by the following formula (1) is disclosed: ##STR1## wherein R denotes an alkyl group having 1-14 carbon atoms; -X- denotes ##STR2## denotes a...
4855460 Process for perfluoroalkylation of acid anhydrides  
A process for the preparation of perfluoroalkylated ketones and/or perfluoroalkylated alcohols, comprising the step of contacting a perfluoroalkyl iodide or perfluoroalkyl bromide with an acid...
4827002 Process for preparing adducts of alcohols, ethers and esters with 1,2-dichlorodifluoroethylene  
There are prepared compounds of general formula: ##STR1## wherein: R 1 =H, or alkyl or acyl containing from 1 to 10 carbon atoms, R 2 , R 3 , like or unlike each other, may be H, or an alkyl...
4806694 Polyols  
Fluorine-containing polyols obtained by the free radical addition of a fluoro-olefin having the general formula: ##STR1## wherein Y represents F and Z represents Cl or F(CF 2 )n--wherein n is an...
4800234 Synthesis of 1,1,2,2-tetrahydroperfluoroalkanols and their esters  
The invention relates to the preparation of 1,1,2,2-tetrahydroperfluoroalkanols and their esters. A 2-(perfluoroalkyl)ethyl iodide is oxidized using peroxomonosulphuric acid or peroxodisulphuric...
4761506 Process for the preparation of perfluoroalkanols  
A process is disclosed for the preparation of perfluoroalkanols by reacting an ester of a perfluorinated acid in the liquid phase with hydrogen under a pressure of between about 1 and 300 bars in...
4754082 Process for the preparation of perfluoroalkylalkenols  
In a novel process for the preparation of perfluoroalkylalkenols, perfluoroalkylhalohydrins are dehydrohalogenated using specific ionic bases, namely using an alkali metal carbonate, an alkali...
4751245 Antifungal derivatives of N-(6,6-dimethyl-2-hepten-4-ynyl)-1-naphthalenemethanamine and method of using same  
N-(6,6-dimethyl-2-hepten-4-ynyl)-1-naphthalenemethanamine derivatives are provided having the general formula ##STR1## wherein R 1 is methoxy, iminomethyl or 1-iminoethyl and R 2 and R 3 are...
4748282 Process for the synthesis of mono- di-hydroxyfluoro-alkanes  
A process for preparing mono- and di-hydroxyfluoroalkanes which comprises reacting in a homogeneous phase the corresponding iodo-fluoroalkanes with water in an organic solvent, completely miscible...
4734516 Process for the preparation of partially halogenated 1-propanols  
The reaction of a zinc compound compound of formula III CF 3 CCl 2 ZnCl.yL (III) wherein y is 1 or 2 and L is a solvent ligand selected from the group consisting...
4694112 Process for producing 2,2,2-trifluoroethanol  
A catalytic process for producing 2,2,2-trifluoroethanol by gas phase hydrogenation of 2,2,2-trifluoroethyl trifluoroacetate using oxide catalysts formed of copper and zinc and containing 0 to 10...
4673517 Heat pump  
A heat pump medium comprising 2,2,3,3,3-pentafluoropropanol either alone or in admixture with water.
4658070 Process for the synthesis of 2,2,2-trifluoroethanol  
The process for synthesizing 2,2,2-trifluoroethanol by liquid phase catalytic hydrogenation of a compound of formula: ##STR1## in which R is a hydrogen atom or a linear or branched alkyl radical...
4647706 Process for the synthesis of 2,2,2-trifluoroethanol and 1,1,1,3,3,3-hexafluoroisopropanol  
A process for producing 2,2,2-trifluoroethanol or 1,1,1,3,3,3-hexafluoroisopropanol which comprises hydrogenating a fluoro compound having the formula ##STR1## wherein R 1 is hydrogen or CF 3 and...
4642386 Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals  
A process for preparing pure fluoral hydrate or hexafluoroacetone hydrate which comprises reacting a hemiacetal with the formula ##STR1## wherein R is hydrogen or CF 3 , with water in a...
Matches 51 - 100 out of 297 < 1 2 3 4 5 6 >