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| Number | Title | Issue Date |
| 6717008 | Derivatives of C2-substituted indan-1-ol compounds, methods for their preparation and use Derivatives of C2-substituted indan-1-ol compounds, processes for their preparation and their use are disclosed. In particular, the invention relates to compounds of the formula I and to their physiologically acceptable ... | 04/06/2004 |
| 6479519 | Substituted anilides The invention is directed to physiologically active compounds of formula (I): ##STR1## wherein: R1 is hydrogen, halogen, hydroxy, lower alkyl or lower alkoxy; X1, X2 and X6 independently represent N or CR10 | 11/12/2002 |
| 6072054 | Cyclic aryl ethers, thioethers, and amines and method preparation Cyclic aryl ethers, thioethers or amines, and methods for synthesis are disclosed. These cyclic aryl compounds are synthesized by combining a first dinucleophile with a substituted benzene metallized electron-withdrawing complex, having halo or nitro subs... | 06/06/2000 |
| 5798396 | Sulfonium salt-containing compounds and initiators of polymerization The present invention is directed to sulfonium salt-containing compounds represented by a following general formula; ##STR1## wherein R1 is alkyl containing from 1 to 18 carbon atoms, hydroxy, alkoxy containing from 1 to 18 carbon atoms, a... | 08/25/1998 |
| 5534557 | Onium salt, photopolymerization initiator, energy ray-curing composition containing the initiator, and cured product The composition of the present invention is excellent in compatibility, transparency and curability and give a cured coat of excellent gloss and of less smell, and cured products of excellent properties can be obtained by curing the composition. The prese... | 07/09/1996 |
| 5463133 | Phenethyl alcohol derivative and recording material containing the same The present invention is to provide phenethyl alcohol derivative represented by the general formula (I), which is a stabilizing agent for colored images, particularly improved in resistance to plasticizers for the use in recording materials. ##STR1##... | 10/31/1995 |
| 5426232 | Substituted tetracyanoquinodimethanes, processes for their preparation and their use Compounds of the formula I ##STR1## in which R1 and R2 independently of one another are C1 -C6 alkyl, C3 -C8 cycloalkyl which is unsubstituted or substituted by C1 -C4 | 06/20/1995 |
| 5393885 | Carbamic acid derivatives Compounds of the formula ##STR1## in which R1 is halogen, C1 -C3 alkyl, halo-C1 -C3 alkyl, C1 -C3 alkoxy, halo-C1 -C3 alkoxy or cyano and/or two substi... | 02/28/1995 |
| 5288914 | Poly(arylcyclobutenes) The invention is a poly(arylcyclobutene) comprising arylcyclobutene moieties connected by a bridging member, wherein the bridging member is (a) a direct bond, (b) a polyvalent inorganic radical or (c) a polyvalent organic radical which contains (1) one or... | 02/22/1994 |
| 5220037 | Sulfonium salts and use thereof Novel sulfonium salts useful as photoinitiators for cationic polymerization and for producing relief patterns and relief images have the general formula (I) ##STR1## where A.crclbar. is a non-nucleophilic counterion, x is 1, 2 or 3, R is a... | 06/15/1993 |
| 5214070 | Diaryl ether cycloalkanes The invention concerns a diaryl ether cycloalkane of the formula I, or a pharmaceutically-acceptable salt thereof, ##STR1## wherein Ar1 is optionally substituted phenyl or naphthyl; X1 is oxy, thio, sulphinyl or sulphonyl; Ar | 05/25/1993 |
| 5104559 | Hydrogen perfluoroalkylaromatic ethers and related compositions and methods A lubricating compound having the structure: R1 --Rf --O--Ar--R2 wherein R1 is a monovalent radical selected from the group consisting of fluoride, unsubstituted aryloxys, substituted aryloxys, unsubstituted arylthio... | 04/14/1992 |
| 5012004 | Ether compounds and their production, and insecticidal and/or acaricidal compositions containing them An insecticidal and/or acaricidal composition which comprises as an active ingredient an insecticidally and/or acaricidally effective amount of at least one ether compound of the formula: ##STR1## wherein X1 is a hydrogen atom, a halogen a... | 04/30/1991 |
| 5004841 | Alkylation of aromatic compounds to alkylates enriched in the linear-substituted isomers Aromatic compounds, such as benzene or biphenyl, are alkylated with an alkylating agent having from one to eight carbons atoms, such as propylene, in the presence of an acidic mordenite zeolite catalyst under conditions sufficient to produce a mixture of ... | 04/02/1991 |
| 4990677 | Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives Fungicidal and plant growth-regulating azolylmethylcyclopropyl derivatives of the formula ##STR1## in which R represents halogen, alkyl or optionally substituted phenyhl, or represents the groupings --Y--R2, wherein Y represents oxygen, su... | 02/05/1991 |
| 4914244 | Process for preparing difluorochloromethoxybenzenes Difluorochloromethoxybenzenes are prepared by reacting phenols with trichloromethyl chloroformate (=di-phosgene) in the presence of hydrogen fluoride.... | 04/03/1990 |
| 4894109 | Method and apparatus for tacking together the copies of multicopy forms A method and apparatus for tacking together multipage forms having pin holes with the use of adhesive tacking tape.... | 01/16/1990 |
| 4891448 | Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers Polycyclic aromatic compounds, such as biphenyl, are alkylated with an alkylating agent, such as propylene, in the presence of an acidic mordenite zeolite catalyst under conditions sufficient to produce a mixture of substituted polycyclic aromatic compoun... | 01/02/1990 |
| 4792633 | Preparation of ortho-(alkyl- or arylthio)phenols Strong acids, e.g., aluminosilicates and sulfonic acids are employed as catalysts for the (alkyl or aryl)thiolation of phenols using dialkyl or diaryl disulfides and/or (alkyl- or arylthio)phenols as thiolating agents, and for the isomerization of (alkyl-... | 12/20/1988 |
| 4699727 | Heat transfer fluids having improved thermal stability Thermally stable heat transfer fluids are disclosed which are polyoxyethylene polymers initiated with bisphenols. These polymers do not smoke excessively, volatilize, nor form sludge in high temperature heat transfer operations in open and closed systems.... | 10/13/1987 |
| 4686303 | Process for the preparation of diaryl sulphides A process for preparation of diaryl sulphides by reaction of an aromatic diazonium salt in an alkaline medium with arenethiol is catalyzed by a non-metallic solid, such as charcoal, silica gel or aluminium oxide, having a specific surface of greater than ... | 08/11/1987 |
| 4684671 | Energy beam curable composition There is provided an energy beam curable resin composition which comprises as an essential component a cationically polymerizable substance and an effective amount of an onium salt of a Lewis acid represented the following formula (I). ##STR1## ... | 08/04/1987 |
| 4613703 | Process for allylating hydroxyaromatic compounds An isomeric mixture of C- and O-allylated aromatic compounds is prepared by contacting an allyl halide, a hydroxyaromatic reactant, an alkaline agent, water and a quaternary salt catalyst. This mixture may be thermally isomerized to obtain the C-allylated... | 09/23/1986 |
| 4600798 | Aryl-diethers Aryl-diethers are provided which are produced by reacting a halogenated xylene compound, preferably 4-chloro-ortho-xylene, and an alkali metal salt of a bisphenol compound, preferably bisphenol-A. These aryl-diethers serve as precursors in a process for p... | 07/15/1986 |
| 4560808 | Process for production of dihydric phenols A transalkylation process for the preparation of dihydric phenols comprising reacting, in the presence of an acid or base catalyst, at least one mole of an aromatic monohydroxy compound such as a phenol with at least one mole of an aromatic dihydroxy comp... | 12/24/1985 |
| 4547593 | Preparation of (hydrocarbylthio)phenols (Hydrocarbylthio)phenols, such as 2-(alkylthio)phenols, are prepared by heating one or more (hydrocarbylthio)phenols selected from 2-, 3-, 4-, and poly(hydrocarbylthio)phenols in the presence of a catalytic amount of an aluminum phenoxide to redistribute ... | 10/15/1985 |
| 4540824 | Diphenyl sulfide compounds useful as intermediates in the production of diphenyl sulfone compounds A compound of the formula: ##STR1## wherein R is a hydrogen atom or a lower alkoxy group, X2 and Y2, being the same or different, are each a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, and Z is a hy... | 09/10/1985 |
| 4397864 | 2-Arylpropyl ether or thioether derivatives and insecticidal and acaricidal agents containing said derivatives The present invention relates to 2-arylpropyl ether or thioether derivatives represented by the following general formula [I]: ##STR1## wherein Ar stands for an aryl group, R stands for a methyl or ethyl group, Y stands for an oxygen or sulfur atom, ... | 08/09/1983 |
| 4324920 | Process for the preparation of ortho-(hydrocarbylthio)-phenols Disclosed is a process for the preparation of otho-(hydrocarbylthio)-phenols, having at least one hydrogen on a carbon atom ortho to a hydroxy group, with hydrocarbyl disulfides in the presence of catalytic amounts of aluminum phenoxide.... | 04/13/1982 |
| 4314086 | Preparation of aliphatic/aromatic ethers Aliphatic/aromatic ethers are prepared by reacting an aliphatic halide with either an alkali or alkaline earth metal, or ammonium phenolate or naphtholate, in an inert organic solvent, and in the presence of at least one tertiary amine sequestering agent ... | 02/02/1982 |
| 4308199 | Mercaptophenol derivatives as age resisters for polymers Mercaptophenols are reacted with compounds containing olefinic unsaturation, or polycyclic olefins, or dihydroxy compounds to form phenolic antioxidants such as 3,8-bis(4-hydroxyphenylthio)-tricyclo[5.2.1.0.2,6 ] decane; 1,4-bis[2-(4-hydro... | 12/29/1981 |
| 4288386 | Ullmann reaction for the synthesis of diaryl ethers The Ullman reaction for the preparation of diaryl ethers by coupling aryl halides with metal phenolates is conducted in the presence of at least one tertiary amine sequestering agent having the formula:... | 09/08/1981 |
| 4287125 | Preparation of benzenoid ethers and thioethers Benzenoid ethers/thioethers are prepared by reacting an activated halobenzene with an anionic reactant, RA- M+, in the presence of at least one tertiary amine sequestering agent having formula:... | 09/01/1981 |
| 4192949 | Preparation of aralkyl phenyl ethers and alkyl phenyl ethers Phenol ethers are prepared by reacting phenols with dialkyl carbonates in the presence of tertiary amines and/or phosphines. The aralkyl aryl ethers and alkyl aryl ethers obtained are starting materials for the manufacture of dyes, crop protection agents ... | 03/11/1980 |
| 4175137 | Etherified cycloalkanols The invention relates to novel etherified cycloalkanols of the formula ##STR1## wherein X1 represents oxygen, sulphur or methylene, X2 represents oxygen or sulphur, A represents an unsubstituted or substituted phenyl radical and... | 11/20/1979 |
| 4143076 | Mercapto phenolic and alkylthio phenolic antioxidants 2-Mercapto phenol and/or 4-mercapto phenol are reacted with a compound selected from olefins, alcohols, and organic halides for example, styrene and isobutylene, to form (hydrocarbyl) thio phenolic antioxidants such as 2,6-di-tert. butyl-4-(tert.butylthio... | 03/06/1979 |
| 4128530 | Mercapto phenolic and alkylthio phenolic antioxidants 2-Mercapto phenol and/or 4-mercapto phenol are reacted with compounds containing olefinic unsaturation, for example, styrene and isobutylene, to form alkylthio phenolic antioxidants such as 2,6-di-tert.butyl-4-(tert.butylthio) phenol and 2,6-di( ... | 12/05/1978 |
| 4122194 | Aryl sulphur compounds as antiasthmatics An aryl sulphur compound of formula (I) : ##STR1## where R1 is C1-4 alkyl; Ar is a phenyl group optionally substituted by halogen or C1-4 alkyl and wherein Z is S or SO, having antiallergy activity.... | 10/24/1978 |
| 4120866 | Preparation of arylsulphonium salts A process for the production of an arylsulphonium salt, comprising reacting an aromatic compound of the formula in which Ar is an aromatic radical with a sulphoxide of the formula ##STR1## in which R1 and R2 each independently is an ... | 10/17/1978 |
| 4094993 | Ethers New ethers of the formula ##STR1## are disclosed, wherein R1 represents an alkyl group having 1 to 4 carbon atoms and Y represents an oxygen or sulphur atom. These compounds are useful as pesticides, especially for the control of insects a... | 06/13/1978 |
