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| Number | Title | Issue Date |
| 7417172 | Perfluoroalkyl vinyl ether compound, process for preparing copolymer by using the compound, and optical plastic materials comprising copolymer prepared by the process A novel perfluoroalkyl vinyl ether compound, a process for preparing a copolymer by using the perfluoroalkyl vinyl ether compound, and an optical plastic material comprising a copolymer prepared by the process are provided. More specifically, the perfluoroalkyl viny... | 08/26/2008 |
| 7319173 | Process for preparing fluorohalogenethers A process for preparing (per)fluorohalogenethers having general formula: wherein: A and A′, equal to our different from each other, are selected among Cl, Br, H; m=1, 2; n=0, 1; R1 is a flu... | 01/15/2008 |
| 7125834 | Functional substances derived from oligoolefins having functional groups at the ends This invention provides the following: an amphiphilic functional substance with lipophilicity, affinity for supercritical CO2, and if necessary hydrophilicity comprising an oligoolefin chain and a perfluoroalkyl group(s) at a single end thereof or at both... | 10/24/2006 |
| 7112701 | Process for the manufacture of 4-(6-bromohexyloxy)-butylbenzene The present invention relates to an improved process for preparing 4-(6-bromohexyloxy)-butylbenzene by reacting 4-phenylbutanol with 1,6-dibromohexane in the presence of a base and a phase transfer catalyst, wherein 4-phenylbutanol in a diluent is metered into a mix... | 09/26/2006 |
| 7091270 | Pentabromobenzyl alkyl ethers and their use as fire retardants The present invention provides novel pentabromobenzyl alkyl ethers serving as highly effective flame retardants in polymers. The invention further provides a fire retarded polymer composition comprising said pentabromobenzyl alkyl ethers. ... | 08/15/2006 |
| 7078571 | Preparation of 1,3-di-halo-substituted benzene derivatives A process for preparing 1,3-di-halo-substituted benzene derivatives (II) from 2,6-di-halo-substituted benzaldehydes (I) (where X1, X2 are each independently F, Cl, Br, and R1, R2, R3 are each independently H, ha... | 07/18/2006 |
| 6943271 | Process for producing fluorine-containing, polymerizable styrene monomer and intermediates used in same A fluorine-containing styrene monomer of the formula (2) is produced by a first, second or third process. The first process includes (a) reacting a compound of the formula (1) with a compound of the formula (3), in the presence of a metal catalyst; (b) reacting the ... | 09/13/2005 |
| 6891071 | Halogenated styrene compounds and very low-loss polymers made therefrom The invention is directed to polymerizable vinyl compounds having halogenated aromatic groups and to a method of synthesizing such compounds. In particular, the invention is directed to polymerizable aromatic vinyl compounds wherein, except for the vinylic hydrogen ... | 05/10/2005 |
| 6835856 | Process for preparing fluorohalogenethers A process for preparing (per)fluorohalogenethers having general formula (I): (R)nC(F)mOCAF—CA′F2 (I) wherein: A and A′, equal to or different the one from the other, a... | 12/28/2004 |
| 6835857 | Process for the manufacture of 4-(6-bromohexyloxy)-butylbenzene The present invention relates to an improved process for preparing 4-(6-bromohexyloxy)-butylbenzene by reacting 4-phenylbutanol with 1,6-dibromohexane in the presence of a base and a phase transfer catalyst, wherein 4-phenylbutanol in a diluent is metered into a mix... | 12/28/2004 |
| 6794409 | Use of ERβ-selective ligands for regulating fertility and compounds useful therefor The present invention discloses the use of ERβ-selective ligands for production of medicaments for regulating fertility without additional use of a progestin. ERβ-agonists are used for treatment of infertility and ERβ-antagonists for contraception. ... | 09/21/2004 |
| 6753444 | Method for producing 2,3,5,6-tetrahalogen-xylyidene compounds The invention relates to a process for preparing 2,3,5,6-tetrahaloxylylidene compounds of formula (I) where each Hal is independently fluorine or chlorine, and X is fluorine, chlorine, bromine, —O—R, or —O—C(═O... | 06/22/2004 |
| 6653296 | Antiretroviral enantiomeric nucleotide analogs Resolved enantiomers of the formula (IA) and (IB) ##STR1## wherein B is a purine or pyrimidine base or aza and/or deaza analogs thereof are useful in antiviral pharmaceutical compositions to treat retroviral infections.... | 11/25/2003 |
| 6388146 | Polymerizable compound, polymerizable resin composition, cured polymer and liquid crystal display device The polymerizable compound of this invention is represented by general formula (I): ##STR1## where R is H, R', R'O, R'COO, or R'OCO, R' is a linear or branched alkyl group or alkenyl group having 1 to about 15 carbon atoms, A1 and A2 | 05/14/2002 |
| 6339176 | Method for producing 4-methoxymethyl-2,3,5,6-tetrafluorobenzenemethanol It provides a production method of 4-methoxymethyl-2,3,5,6-tetrafluorobenzenemethanol to allow 2,3,5,6-tetrafluoro-1,4-benzenedimethanol to react with an inorganic base in water, and then add dimethyl sulfate and a water-immiscible organic solvent se... | 01/15/2002 |
| 6326520 | Optically active compound and method for producing same The invention relates to a method for producing a novel optically active compound represented by the general formula [IV]. This method includes the step of reacting a vinyl ether with a halogenated acetaldehyde in the presence of an optically active binap... | 12/04/2001 |
| 6320085 | Process for the preparation of benzyl-ethers ##STR1## The subject matter of the invention is the process for the preparation of mixed ethers of formula I, wherein Ar represents an aromatic or one or more heteroatom-containing moiety, optionally substituted by one or more C1-4 alkoxy, meth... | 11/20/2001 |
| 6291721 | Processes for the preparation of 2-arylvinyl alkyl ether and 1,4-diaryl-2-fluoro-2-butene compounds An improved process for the preparation of 2-arylvinyl alkyl ether compounds of the structural formula I ##STR1## In addition, the present invention provides an improved process for the preparation of 1,4-diaryl-2-fluoro-2-butene compounds of the structur... | 09/18/2001 |
| 6248889 | Process for converting an alcohol to the corresponding fluoride A process for preparing a fluoride from its corresponding alcohol comprises the steps of (a) forming a mixture comprising (i) at least one fluorinated, saturated aliphatic or alicyclic sulfonyl fluoride (for example, perfluorobutanesulfonyl fluoride) and ... | 06/19/2001 |
| 6242634 | Pyrimidin-4-one derivatives, their use, intermediates for their production, and processes for producing these intermediates Novel pyrimidin-4-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R1 is hydrogen or alkyl; R2 is alkyl optionally substituted with halogen; R3 is alkyl optionally ... | 06/05/2001 |
| 6168913 | Coding combinatorial libraries with fluorine tags The present invention relates to coding combinatorial chemical libraries synthesized on a plurality of solid supports by attaching "tags" that comprise fluorine containing compounds in combinations and/or ratios. The tags can be decoded while attached to ... | 01/02/2001 |
| 6121495 | Ethynyl substituted aromatic compounds, synthesis, polymers and uses thereof Compounds of ethynyl aromatic compounds form polymers which have high thermal stability. The monomers are useful for coating a wide variety of substances such as dielectric coatings where high thermal resistance is desirable including electronic component... | 09/19/2000 |
| 6025310 | Organic compounds suited to lubricating films on magnetic recording media The invention provides novel organic compounds, and more particularly those having excellent lubricity, compatible with lubricating organic compounds having a benzene ring and a phosphazine ring and retaining stability free of hydrolysis for a prolonged p... | 02/15/2000 |
| 5831102 | Chemiluminescent 3-(substituted adamant-2'-ylidene) 1,2-dioxetanes Enzymatically cleavable chemiluminescent 1,2-dioxetane compounds capable of producing light energy when decomposed, substantially stable at room temperature before a bond by which an enzymatically cleavable labile substituent thereof is intentionally clea... | 11/03/1998 |
| 5756814 | Vinyl compound, its synthetic intermediates and processes for producing the same (1) CF2 .dbd.CFO(CF2)n COOR is allowed to react with chlorine or bromine to obtain CF2 XCFXO(CF2)n COOR', (2) which is allowed to react with a Grignard reagent MgBrC6 H3 ... | 05/26/1998 |
| 5731477 | Method for synthesis of aryl difluoromethyl ethers This invention relates to a method for preparing difluoromethyl ethers, thiols and amines without using chlorofluorocarbon gases. The intermediates prepared by this method can be used to make certain compounds which act as PDE IV inhibitors which are usef... | 03/24/1998 |
| 5723682 | Difluorovinyl ethers The invention relates to difluorovinyl ethers of the general formula I ##STR1## in which R, A, X and m are as defined in claim 1, and to the use of these compounds as components of liquid-crystalline media, and to liquid-crystal and electro-optical d... | 03/03/1998 |
| 5616813 | Vinyl ether compound, process for producing the same and copolymer containing the same A novel bifunctional vinyl ether compound having an aromatic ring, represented by the following general formula: ##STR1## where X is a halogen atom and n is an integer of 1 to 5, effective as a copolymer component for fluorine-containing elastomers i... | 04/01/1997 |
| 5574190 | Naphthyl compounds, intermediates, compositions, and methods The present invention provides pharmaceutically active compounds formula I ##STR1## wherein R1 is --H, --OH, --O(C1 -C4 alkyl), --OCOC6 H5, --OCO(C1 -C6 alkyl), or --OSO2 | 11/12/1996 |
| 5545769 | Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein A process is disclosed for the manufacture of product compounds of the formula HC(R1)2 C(R1)2 C(R2)2 H wherein each R1 is independently selected from the group consisting of H, F, Cl,... | 08/13/1996 |
| 5446186 | Structure and synthesis of nitrophenyl-EGTA, a caged calcium, intermediates thereof and a method of producing a high photochemical yield of liberated calcium The synthesis and compound of a new caged calcium which is an ortho-nitrophenyl derivative of EGTA and various intermediates. It is synthesized in ten steps and 24% overall yield. The photosensitive chelator, nitrophenyl-EGTA, has a Kd for Ca | 08/29/1995 |
| 5420359 | Chlorofluoroether compositions and preparation thereof Normally liquid chlorofluoroether compositions consisting or consisting essentially of one or a selected mixture of perhalogenated chlorofluoroether compounds are provided by direct fluorination of the corresponding chloroether or chlorofluoroether precur... | 05/30/1995 |
| 5393776 | Tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia This invention relates to structurally novel acyclic tocotrienol analogs, which are useful for cholesterol/lipid lowering in cases of hypercholesterolemia and hyperlipidemia, and for atherosclerosis. Also provided are pharmaceutical compositions and a met... | 02/28/1995 |
| 5384415 | Process for the preparation of brominated compounds, especially from alcohols A process for the preparation of a brominated compound which comprises the step of reacting at least one compound selected from the group consisting of a chloroformate, a chlorosulfite and a chlorophosphite with a brominating agent for a time sufficient t... | 01/24/1995 |
| 5356560 | 2-fluoroperfluoroalkylcyclohexene derivatives 2-Fluoroperfluoroalkylcyclohexene derivatives of the formula I ##STR1## where R is an alkyl or alkenyl radical having up to 18 carbon atoms which is unsubstituted or substituted by CN or by at least one halogen and in which one or more non-adjacent C... | 10/18/1994 |
| 5279764 | Dihalogenobenzene derivatives The invention relates to dihalogenobenzene derivatives of the formula I R1 --A1 --Z1 --A2 --(Z2 --A3)n --R2 wherein R1, R2, A1, A2, A... | 01/18/1994 |
| 5210322 | Processes for the preparation of ethers A process for preparing ethers which comprises contacting a carboxylated ether with a metal oxide catalyst under conditions effective to produce the ether.... | 05/11/1993 |
| 5196611 | Preparation of alkyl, alkenyl, and alkynyl chlorides The preparation of an alkyl, alkenyl, or alkynyl chloride by the reaction of a corresponding alcohol with phosgene or thionyl chloride in the presence of a phosphine oxide acting as catalyst, wherein the catalyst used is an aliphatic, cycloaliphatic, or c... | 03/23/1993 |
| 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 |
| 5189204 | Optical active 3-(2-trifluoro-1-hydroxyethyl) propenyl benzyl ether, derivatives thereof, method for preparing the same and use thereof for liquid crystal compound 3-(2-Trifluoro-1-hydroxyethyl)propenyl benzyl ether or derivatives thereof having the formula ##STR1## wherein R is a substituted or not substituted phenyl group and a mark * shows an asymmetric carbon atom, and derivatives thereof are provided, ... | 02/23/1993 |
