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| Number | Title | Issue Date |
| 7531701 | Allyloxytrifluoropropenes A process for the preparation of an allyloxytrifluoropropene derivative of the formula CF3CH═CR1(OCH2CR═CH2) wherein R1 is hydrogen, fluoro, or an allyloxy group represented by the formula —OCH2... | 05/12/2009 |
| 7385089 | Fluorochemical ketone compounds and processes for their use A fluorochemical ketone compound consists of two terminal, branched, independently fluoroalkylcarbonyl or perfluoroalkylcarbonyl groups and an intervening linear perfluoropolyether segment, each of the terminal groups optionally comprising at least one catenated het... | 06/10/2008 |
| 7160967 | Fluorovinyl ethers and polymers obtainable therefrom Fluorovinyl ethers having the formula CFX═CXOCF2OR, wherein R is a C2–C6 linear, branched or C5–C6 cyclic (per)fluoroalkyl group, or a C2–C6 linear, branched (per)fluoro oxyalkyl gr... | 01/09/2007 |
| 7141704 | Process for preparing hydrofluoroethers Process for obtaining hydrofluoroethers of formula (I): A-(Rf)n0—CF(Rf1)—O—Rh (I) wherein a mono- or bifunctional carbonyl compound of formula (IV): B—Rf—C(O)Rf1... | 11/28/2006 |
| 7071272 | Method for preparing unsaturated compound by pyrolysis reaction The present invention provides a method for preparing a compound of CF3CF2CF2OCF═CF2 by pyrolyzing a compound expressed by CF3CF2CF2OCF(CF3)COOCF2CF(CF3)O... | 07/04/2006 |
| 7019177 | Process for preparing fluorohalogenethers A process for preparing (per)fluorohalogenethers having general formula (II): R′CF2OCFA-CA′F2 (II) wherein:— A and A′, equal to or different from each other, are H, Cl or Br bu... | 03/28/2006 |
| 6963013 | Method of making fluorovinyl ethers and polymers obtainable therefrom A process for making fluorovinyl ethers having the formula CFX═CXOCF2OR, wherein R is a C2-C6 linear, branched or C5-C6 cyclic (per)fluoroalkyl group, or a C2-C6 linear, branched (per)flu... | 11/08/2005 |
| 6946566 | Process for preparation of optically active halogeno hydroxypropyl compound and glycidyl compound A process for preparing regioselectively an optically active 1-halogeno-2-hydroxypropyl compound of the following formula; wherein X is halogen atom and Nu is a heteroatom having a substituent,... | 09/20/2005 |
| 6573411 | Process for the preparation of fluoropolyoxyalkylenes having one end group -CH2OH and the other end group containing chlorine A process to obtain fluoropolyoxyalkylenes having the structure: T--O--(CF2 CF(CF3)O)n-1 --(CF(CF3)O)m --CF2 --CH2 OH (I) wherein: T=C1 -C3 perfluoroalkyl containing... | 06/03/2003 |
| 6506947 | Fluorinated diol and method for the production thereof The subject-matter of the invention is a fluorinated diol and its process of preparation. The fluorinated diol corresponds to the formula (I): Cn F2n+1 --A--CH2 OCH2 --C(CH2 OH)2 --R in which n has a... | 01/14/2003 |
| 6406680 | X-ray contrast agents This invention describes a new type of X-ray contrast agents. It has been found that iodinated alkenes containing one or several C.dbd.C double bonds substituted with electronic neutral substituents and iodine can be used as X-ray contrast agents. Also ne... | 06/18/2002 |
| 6133472 | Fluorinated oxyvinyl compounds and methods of preparing and using same Fluorine containing oxyvinyl compounds characterized by having one or more oxyvinyl groups separated from fluorine containing groups by at least one alkylene group having 2-8 carbon atoms and by at least one oxygen atom in addition to the oxygen on the ox... | 10/17/2000 |
| 6018082 | Fluoroalkyl substituted ethylenically unsaturated compounds Compounds represented by the following general formula: ##STR1## wherein Rf and Rf' mean a perfluoroalkyl group having 1-20 carbon atoms or a (ω-H-perfluoroalkyl group represented by the formula H(CF2)t in which t stands for an... | 01/25/2000 |
| 5986150 | Fluorine-containing olefin, fluorine-containing polymer and thermoplastic resin composition prepared by using said polymer To provide a fluorine-containing olefin represented, for example, by CH2 .dbd.CFCF2 --Rf6 --(CH2)k --X2 [wherein, X2 is ##STR1## Rf6 is a fl... | 11/16/1999 |
| 5969074 | Reaction of perfluoroolefins with Bis (Silyl) ethers to produce fluorinated compounds A reaction of perfluoroolefins with bis(silyl) ethers to produce novel partially fluorinated and perfluorinated copolymers and macrocyclic compounds is disclosed.... | 10/19/1999 |
| 5902908 | Method for preparing fluorinated vinyl ether The present inventions provide methods to produce fluorinated vinyl ether by reacting fluorinated carboxylic acid halogenide with a metal compound below the decomposition temperature for the corresponding metal salt in the absence of solvent and then rais... | 05/11/1999 |
| 5872137 | Dihalopropene compounds, insecticidal/acaricidal agents containing same, and intermediates for their production The dihalopropene compounds of the general formula I! have excellent insecticidal/acaricidal activity, so that they are satisfactorily effective for the control of noxious insects, mites and ticks.... | 02/16/1999 |
| 5491261 | Poly-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 |
| 5354910 | Functional fluoropolymers Repeat units having pendant functional groups increase the solubility of polymers containing repeat units of perfluoro-2,2-dimethyl-1,3-dioxole.... | 10/11/1994 |
| 5268511 | Production of trifluorovinyl ethers A two step process, each of the steps being novel, for the production of trifluorovinyl ethers by reaction of a siloxane with selected acyl fluorides or carboxylic anhydrides, is disclosed. Also disclosed is a novel silyl ester intermediate.... | 12/07/1993 |
| 5242996 | Modified epoxy resins having acetylenically unsaturated functions A modified epoxy resin or compound of the formula: ##STR1## wherein A is the backbone reside of a glycidyl ether epoxy resin with removal of the glycidyloxy groups; R1 and R2 are independently a hydrogen atom or C1 -C... | 09/07/1993 |
| 5227533 | Alk-1-enyl ethers This invention relates to the alk-1-enyl ether having the formula ##STR1##... | 07/13/1993 |
| 5198136 | Iodine-containing compound, preparation thereof and block copolymer comprising the same An iodine-containing compound consisting of at least two repeating units selected from the formulae: --(CH2 CF2 CF2 O)a -- --(CHClCF2 CF2 O)b -- --(CCl2 CF2 CF2 | 03/30/1993 |
| 5196569 | Functionalized trifluorovinyl ethers and polymers therefrom Trifluorovinyl ethers containing selected functional groups, and homo- and copolymers prepared from them, are disclosed, as well as intermediates useful in the preparation of the ethers.... | 03/23/1993 |
| 5166453 | Method for purification of ethylene compounds having fluorine-containing organic group A purification method of a fluorine-containing alkylethylene comprises reacting the fluorine-containing alkylethylene with powdered metallic zinc in the presence of an aqueous acetic acid solution. By this method, fluorine-containing alkyl iodide and fluo... | 11/24/1992 |
| 5159120 | Preparation of dialkoxybutenes Dialkoxybutenes are selectively prepared in high yields by reacting 1,3-butadiene with an alcohol in the presence of oxygen and a catalytically effective amount of solid particulates which comprise a catalytically active phase deposited onto particles of ... | 10/27/1992 |
| 5059720 | Hydroxy containing fluorovinyl compounds and polymers thereof Novel hydroxy containing fluorovinyl ethers, polymers of hydroxy containing fluorovinyl ethers, copolymers of selected hydroxy containing fluorovinyl ethers, a process for reducing ester containing fluorovinyl compounds to the corresponding alcohol with b... | 10/22/1991 |
| 5023380 | Perfluorovinyl compounds Compounds have a structure represented by Formula I: CF2 =CF-X-R-(X-CF=CF2)m wherein R represents an unsubstituted or inertly substituted hydrocarbyl group; each X is independently selected from the group consisting of groups h... | 06/11/1991 |
| 4996370 | Process for preparing fluorinated conjugated olefinic products and new products thus obtained Preparing fluorinated conjugated olefinic products having, among others, the formulae: Rx O--(CF.dbd.CF)m --F (A) Rx O--(CF.dbd.CF)m --ORx (B) F--(CF.dbd.CF)m | 02/26/1991 |
| 4982009 | Hydroxy containing fluorovinyl compounds and polymers thereof Novel hydroxy containing fluorovinyl ethers, polymers of hydroxy containing fluorovinyl ethers, copolymers of selected hydroxy containing fluorovinyl ethers, a process for reducing ester containing fluorovinyl compounds to the corresponding alcohol with b... | 01/01/1991 |
| 4967022 | Process for fluorinated allenes Processes for the preparation of perfluoroalkyl substituted allenes and novel bis-allenyl substituted perfluoroalkanes are disclosed.... | 10/30/1990 |
| 4962236 | Novel iodine-containing compound, preparation thereof and block copolymer comprising the same An iodine-containing compound consisting of at least two repeating units selected from the formulae: --(CH2 CF2 CF2 O)a -- --(CHClCF2 CF2 O)b -- --(CCl2 CF2 CF2 | 10/09/1990 |
| 4946992 | Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom Heteroatom containing perfluoroalkyl terminated neopentyl glycols of the formulas HO[--CH2 C(CH2 X--E--Rf)2 CH2 O]1-3 --H or HO[--CH2 C(CH2 X--Rf)2 CH... | 08/07/1990 |
| 4947006 | Process for preparing fluorinated conjugated olefinic products and new products thus obtained Preparing fluorinated conjugated olefinic products having, among others, the formulae: Rx O--(CF.dbd.CF)m --F (A) Rx O--(CF.dbd.CF)m --ORx (B) F--(CF.dbd.CF)m | 08/07/1990 |
| 4929769 | Novel polyether containing at least one 2-halomethyloxyethylene unit and 2,3-dihydroxypropyl end groups A halogenated polyether is provided having a chemical structure which has been found to possess the requisite characteristics for satisfactory service as a promoter of good adhesion between a polymeric surface (e.g., a polyethylene terephthalate tire cord... | 05/29/1990 |
| 4734225 | D-mannite derivatives as starting products for the synthesis of phospholipids The mannite derivatives have the formula (1) wherein R' and R2, idenal or different, represent when they are identical a straight or branched alkyl, alkenyl or alkynyl group containing from 5 to 24 atoms of carbon which may be substituted by a... | 03/29/1988 |
| 4722978 | Allyl terminated macromolecular monomers of polyethers A cationic ring-opening polymerization of a cyclic ether ("CE") in conjunction with an unsaturated alcohol (propagator) having an allyl double bond, produces a polyether macromer having an allylic group near one end and a hydroxyl group at the other. The ... | 02/02/1988 |
| 4709060 | Substituted trifluorooxetanes A substituted trifluorooxetane of the formula: ##STR1## wherein Rf is a C1 -C10 perfluoroalkyl group and n is 0, 1 or 2, which is useful as a solvent or a monomer.... | 11/24/1987 |
| 4675453 | Process and intermediates for fluorinated vinyl ether monomer Vinyl ether monomers of the formula ##STR1## wherein n is 0 or 1 and R is CH3 or C2 H5, precursors thereto, and copolymers with, e.g., tetrafluoroethylene, are provided. The copolymers are useful as electrical insulat... | 06/23/1987 |
| 4594458 | Vinyl ether monomers derived from alkyl perfluoro-ω-(2-iodoethoxy) compounds Vinyl ethers derived from alkyl perfluoro-ω-(2-iodoethoxy) compounds which, when copolymerized with halogenated 1-olefins, form elastomers, rigid articles, or membranes and films having ion-exchange properties.... | 06/10/1986 |
