Plural Rings Bonded Directly To The Same Sulfur Patents (Class 568/53)
  • Patent number: 6717008
    Abstract: 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 salts and physiologically functional derivatives. The compounds are suitable, for example, for use as anorectics.
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: April 6, 2004
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Gerhard Jaehne, Volker Krone, Martin Bickel, Matthias Gossel
  • Publication number: 20040016906
    Abstract: The present invention provides a difluoromethyl ether derivative which shows various suitable physical properties as a liquid crystal compound, a liquid crystal composition comprising the compound and a liquid crystal display element containing the composition, and also provides a simple and efficient process for producing the difluoromethyl ether derivative.
    Type: Application
    Filed: June 18, 2003
    Publication date: January 29, 2004
    Inventors: Tomoyuki Kondo, Kouki Sagou, Shuichi Matsui, Hiroyuki Takeuchi, Yasuhiro Kubo, Etsuo Nakagawa
  • Publication number: 20030105078
    Abstract: The invention relates to novel diphenyl derivatives, to processes for their preparation and to their use in medicaments.
    Type: Application
    Filed: February 26, 2002
    Publication date: June 5, 2003
    Inventors: Helmut Haning, Michael Woltering, Gunter Schmidt, Christiane Faeste, Hilmar Bischoff, Axel Kretschmer, Verena Vohringer, Peter Ellinghaus
  • Patent number: 6479519
    Abstract: The invention is directed to physiologically active compounds of formula (I): wherein: R1 is hydrogen, halogen, hydroxy, lower alkyl or lower alkoxy; X1, X2 and X6 independently represent N or CR10; and one of X3, X4 and X5 represents CR11 and the others independently represents N or CR10; where R10 is hydrogen, amino, halogen, hydroxy, lower alkyl, lower alkoxy, lower alkylthio, lower alkylsulphinyl, lower alkylsulphonyl, nitro or trifluoromethyl; and R11 represents a group —L1—Ar1—L2—Y; and the corresponding N-oxides, and their prodrugs; and pharmaceutically acceptable salts and solvates of such compounds and their N-oxides and prodrugs. Such compounds have valuable pharmaceutical properties, in particular the ability to regulate the interaction of VCAM-1 and fibronectin with the integrin VLA-4 (&agr;4&bgr;1).
    Type: Grant
    Filed: April 26, 2000
    Date of Patent: November 12, 2002
    Assignee: Aventis Pharma Limited
    Inventors: Peter Charles Astles, David Edward Clark, Alan John Collis, Paul Joseph Cox, Paul Robert Eastwood, Neil Victor Harris, Justine Yeun Quai Lai, Andrew David Morley, Barry Porter
  • Publication number: 20020052530
    Abstract: Indane dimer compounds of general formula 5, 6 or 9 and their pharmaceutical use, particularly to achieve smooth muscle relaxing activity and/or mast cell stabilizing activity and/or antiinflammatory activity are described, wherein in formulae 5 and 9, R1 and R3 to R15, and in formula 6, R1, R2 and R4 to R15, are selected from one or more of the same or different of: H, halo, hydroxy, alkoxy, aryloxy, acetoxy, carboxy, alkyl carbonyl, hydro carbonyl, amino, amido, alkylamino, hydroxylamino, amine oxide groups, azo groups, cyano, hydrazino groups, hydrazide groups, hydrazone groups, imide groups, iminoether groups, ureyl groups, oximc, nitro, nitrate, nitrite, nitroso groups, nitrile, heterocyclic groups containing one or more heteroatoms selected from N, O or S, aralkyl groups, mono and polybenzoid aryl groups, substituted aryl groups, thiol, thioureyl, phenylthiol groups, sulphonic acid groups, sulphoxide groups, sulphone groups, alkyl containing 1 to 10 carbon atoms or cycloalkyl groups containing 3 to 8 ca
    Type: Application
    Filed: June 8, 1998
    Publication date: May 2, 2002
    Inventors: JOHN WALSH, NEIL FRANKISH, HELEN SHERIDAN, WILLIAM BYRNE
  • Patent number: 6080587
    Abstract: Methods for rapidly generating large rationally designed libraries of structurally-diverse small molecular weight compounds using a multicombinatorial approach.
    Type: Grant
    Filed: January 23, 1998
    Date of Patent: June 27, 2000
    Assignee: Eli Lilly and Company
    Inventors: Michael Raymond Pavia, Harold Vernon Meyers
  • Patent number: 6072054
    Abstract: 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 substituen groups, to form a linear bimetallized aryl compound. The linear bimetallized aryl compound is then reacted with a second dinucleophile to form a cyclic bimetallized aryl compound. The metallized electron-withdrawing moieties are then removed from said cyclic bimetallized aryl compound by photolytic demetallation to form a cyclic aryl compound having the formula: ##STR1## wherein: X.sub.1 and X.sub.3 are the same or different and each is a alkyl, heteroalkyl, heterocyclic or aromatic group having up to 6 conjugated rings, optionally substituted;X.sub.2 is benzenen.sub.1 and n.sub.3 are the same or different and each is O, S or N; andn.sub.4 is H or lower alkyl.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: June 6, 2000
    Assignee: University of Winnipeg
    Inventors: Alaa S. Abd-El-Aziz, Christine R. de Denus, Leslie J. May
  • Patent number: 5798396
    Abstract: The present invention is directed to sulfonium salt-containing compounds represented by a following general formula; ##STR1## wherein R.sub.1 is alkyl containing from 1 to 18 carbon atoms, hydroxy, alkoxy containing from 1 to 18 carbon atoms, alkylcarbonyloxy containing from 1 to 18 carbon atoms or halogen, n is any of 0, 1, 2 or 3, however, each of R.sub.1 may be different from the others when n is 2 or more, R.sub.2 is alkyl containing from 1 to 6 carbon atoms, R.sub.3 and R.sub.4 are each independently hydrogen or alkyl containing from 1 to 6 carbon atoms, R.sub.5 and R.sub.6 are each independently hydrogen, alkyl containing from 1 to 6 carbon atoms, hydroxy, alkoxy containing from 1 to 6 carbon atoms, alkylcarbonyloxy containing from 1 to 18 carbon atoms or aromatic carbonyloxy, and R.sub.7 is alkyl containing from 4 to 20 carbon atoms or a group represented by a following formula; ##STR2## wherein R.sub.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: August 25, 1998
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Eiji Takahashi, Hiroo Muramoto
  • Patent number: 5534557
    Abstract: 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 present invention relates to an onium salt represented by the following formula (1): ##STR1## wherein Ar is a mono- to tetra-valent aromatic group, X is a bisphenylsulfonio group which may have a substituent, a is 1-4, b is 0 or 1-3, a+b is 1-4, n is 1-4, and Z is a halide represented by the following formula (3): ##STR2## where M is a boron atom, a phosphorus atom, an arsenic atom or an antimony atom, Q is a halogen atom, m is 3-6, l is 0 or 1, and m+l is 4-6; a photopolymerization initiator containing the onium salt as an active ingredient; an energy ray-curable composition containing the initiator; and a cured product.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 9, 1996
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Tetsuya Abe, Kazuhiko Ishii, Minoru Yokoshima
  • Patent number: 5463133
    Abstract: 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## (wherein Y: formula (II) or formula (III) R.sup.1 : H, alkyl, aralkylR.sup.2, R.sup.3 and R.sup.4 : halogen, nitro, alkyl, alkoxy, alkenyl, alkenyloxy,R.sup.5, R.sup.6 and R.sup.7 : H, alkyl,Z: --SO.sub.2 --, --CO--, --C(CH.sub.3).sub.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: October 31, 1995
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Takehiro Sato, Kimiaki Kinosita, Minoru Kaeriyama, Tomoya Hidaka
  • Patent number: 5426232
    Abstract: Compounds of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another are C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.8 cycloalkyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, or phenyl or benzyl which is unsubstituted or substituted by F, Cl, Br, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy or di(C.sub.1 -C.sub.6 alkyl)amino.The compounds are suitable as .pi.-acceptors and electrical semiconductors, and they can be used for antistatic finishing of objects.
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: June 20, 1995
    Assignee: Ciba-Geigy Corporation
    Inventor: John Zambounis
  • Patent number: 5393885
    Abstract: Compounds of the formula ##STR1## in which R.sub.1 is halogen, C.sub.1 -C.sub.3 alkyl, halo-C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, halo-C.sub.1 -C.sub.3 alkoxy or cyano and/or two substituents R.sub.1 which are bonded to adjacent C atoms of the phenyl ring together are --O--CH.sub.2 --O--; R.sub.2 is hydrogen, halogen or methyl;R.sub.3 is fluorine, chlorine, bromine or C.sub.1 -C.sub.3 alkyl; R.sub.4 is hydrogen or C.sub.1 -C.sub.3 alkyl;either R.sub.5 is hydrogen, C.sub.1 -C.sub.4 alkyl, ##STR2## --COCO--R.sub.8,--CO--R.sub.9 or S(O).sub.m --N(R.sub.10)--COO--R.sub.11 andR.sub.6 is C.sub.1 -C.sub.6 alkyl, halo-C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.6 alkenyl, halo-C.sub.3 -C.sub.4 alkenyl, C.sub.3 -C.sub.5 alkynyl, halo-C.sub.3 -C.sub.5 alkynyl, C.sub.1 -C.sub.3 alkoxy-C.sub.1 -C.sub.3 alkyl, C.sub.3 -C.sub.6 cycloalkyl, unsubstituted or substituted phenyl; or R.sub.5 and R.sub.6 together are --(CH.sub.2).sub.4 -- or --(CH.sub.2).sub.5 --; R.sub.7 is hydrogen, halogen or C.sub.1 -C.sub.3 alkyl; R.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: February 28, 1995
    Assignee: Ciba-Geigy Corporation
    Inventor: Friedrich Karrer
  • Patent number: 5288914
    Abstract: 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 more heteroatoms comprising oxygen, sulfur, nitrogen or phosphorus or (2) one or more aromatic radicals, and wherein one or more cyclobutene rings are fused to one of the aryl rings.
    Type: Grant
    Filed: December 26, 1989
    Date of Patent: February 22, 1994
    Assignee: The Dow Chemical Company
    Inventor: Robert A. Kirchhoff
  • Patent number: 5220037
    Abstract: 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.sup..crclbar. is a non-nucleophilic counterion,x is 1, 2 or 3,R is a hydrocarbon radicalR' is arylene or substituted arylene, andR" is ##STR2## where R.sup.1, R.sup.2 and R.sup.3 are each alkyl or monohalogenated or polyhalogenated alkyl orR.sup.1 and R.sup.2 are each hydrogen or alkyl, and R.sup.3 is phenyl, alkenyl or cycloalkenyl, orR.sup.1 is hydrogen, and R.sup.2 and R.sup.3 form ethylenically unsaturated ring, orR.sup.1 and R.sup.2 are each hydrogen, alkyl, cycloalkyl or aryl, and R.sup.3 is alkoxy orR.sup.1 is hydrogen or alkyl and R.sup.2 and R.sup.3 are each alkoxy, aryloxy or substituted aryloxy.
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: June 15, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhold Schwalm, Andreas Boettcher
  • Patent number: 5214070
    Abstract: The invention concerns a diaryl ether cycloalkane of the formula I, or a pharmaceutically-acceptable salt thereof, ##STR1## wherein Ar.sup.1 is optionally substituted phenyl or naphthyl; X.sup.1 is oxy, thio, sulphinyl or sulphonyl;Ar.sup.2 is optionally substituted phenylene, or a 6-membered heterocyclene moiety containing up to three nitrogen atoms;R.sup.1 is (1-6C)alkyl, (3-6C)alkenyl, (3-6C)alkynyl, cyano-(1-4C)alkyl or (2-4C)alkanoyl, or optionally substituted benzoyl; andR.sup.2 and R.sup.3 together form a (3-6C)alkylene group which defines an optionally substituted ring having 4 to 7 ring atoms.The invention also concerns processes for the manufacture of a diaryl ether cycloalkane of the formula I, or a pharmaceutically-acceptable salt thereof, and pharmaceutical compositions containing said cycloalkane. The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.
    Type: Grant
    Filed: August 21, 1991
    Date of Patent: May 25, 1993
    Assignees: Imperial Chemical Industries PLC, ICI Pharma
    Inventors: Thomas G. C. Bird, Philip N. Edwards
  • Patent number: 5104559
    Abstract: A lubricating compound having the structure:R.sup.1 --R.sub.f --O--Ar--R.sup.2wherein R.sup.1 is a monovalent radical selected from the group consisting of fluoride, unsubstituted aryloxys, substituted aryloxys, unsubstituted arylthios, substituted arylthios, perfluoroalkoxys, and perfluoro (3,6-dimethyl-1, 4-dioxanyl-2-oxy), R.sup.
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: April 14, 1992
    Assignee: The Dow Chemical Company
    Inventors: Chester E. Pawloski, Muthiah N. Inbasekaran
  • Patent number: 5012004
    Abstract: 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 X.sub.1 is a hydrogen atom, a halogen atom, a lower alkyl group, a halo(lower)alkyl group, a phenoxyphenoxy(lower)alkyl group, a lower alkoxy group, a halo(lower)alkoxy group, a phenyl group, a halo(lower)alkoxyphenyl group, a methylenedioxy group or a group of the formula: ##STR2## (in which ##STR3## is a 6-membered unsaturated ring, X.sub.2 is a hydrogen atom, a halogen atom or a halo(lower)alkoxy group, Y.sub.2 is a hydrogen atom or combined with Y.sub.1 to form a direct single bond, n is an integer of 1 or 2 and X is an oxygen atom, a sulfur atom, a carbonyl group or a group of the formula: --C(R.sub.3)(R.sub.4)-- (in which R.sub.3 and R.sub.4 are each a hydrogen atom or a lower alkyl group));Y.sub.1 is a hydrogen atom or combined with Y.sub.2 to form a direct single bond;R.sub.1 and R.sub.
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: April 30, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Sumio Nishida, Izumi Fujimoto, Yoshinori Shono, Hiroaki Fujimoto
  • Patent number: 5004841
    Abstract: 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 substituted aromatic compounds enriched in the linear alkylated isomers, such as p-diisopropylbenzene or p,p'-di(isopropyl)biphenyl, respectively. The novel acidic mordenite catalyst is characterized by its silica/alumina molar ratio, its porosity, and a Symmetry Index. The p,p'-disubstituted isomers of aromatic compounds are useful as monomers in the preparation of thermotropic, liquid crystal polymers.
    Type: Grant
    Filed: March 14, 1989
    Date of Patent: April 2, 1991
    Assignee: The Dow Chemical Company
    Inventors: Guo-shuh J. Lee, Juan M. Garces, Joseph J. Maj, Stephen C. Rocke
  • Patent number: 4990677
    Abstract: 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--R.sup.2,whereinY represents oxygen, sulphur, SO or SO.sub.2 andR.sup.2 represents optionally substituted phenyl,R.sup.1 represents hydrogen, alkyl or acyl,X represents nitrogen or a CH group,Z represents halogen, alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, alkylthio with 1 to 4 carbon atoms, halogenoalkyl with 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkoxy with 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkylthio with 1 or 2 carbon atoms and 1 to 5 halogen atoms or phenyl which is optionally substituted by alkyl with 1 or 2 carbon atoms and/or halogen, or represents phenoxy which is optionally substituted by alkyl with 1 or 2 carbon atoms and/or halogen andm represents the number 0, 1, 2 or 3, and addition products thereof with acids and metal salts.
    Type: Grant
    Filed: February 12, 1990
    Date of Patent: February 5, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stroech, Wilhelm Brandes, Stefan Dutzmann
  • Patent number: 4914244
    Abstract: Difluorochloromethoxybenzenes are prepared by reacting phenols with trichloromethyl chloroformate (=di-phosgene) in the presence of hydrogen fluoride.
    Type: Grant
    Filed: January 14, 1987
    Date of Patent: April 3, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventor: Albrecht Marhold
  • Patent number: 4891448
    Abstract: 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 compounds enriched in the para alkylated isomers, such as p,p'-di(isopropyl)biphenyl. The novel acidic mordenite catalyst is characterized by its silica/alumina molar ratio, its porosity, and a Symmetry Index. The p,p'-disubstituted isomers of polycyclic aromatic compounds are useful as monomers in the preparation of thermotropic, liquid crystal polymers.
    Type: Grant
    Filed: November 23, 1987
    Date of Patent: January 2, 1990
    Assignee: The Dow Chemical Company
    Inventors: Juan Garces, Joseph J. Maj, G. John Lee, Stephen C. Rocke
  • Patent number: 4792633
    Abstract: 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- or arylthio)phenols, to prepare ortho(alkyl- or arylthio)phenols as the predominant products.
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: December 20, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Paul W. Wojtkowski
  • Patent number: 4772633
    Abstract: This invention relates to a novel compound represented by the following general formula (I), its production, and an insecticidal and acaricidal composition containing it as an active ingredient: ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, are a hydrogen atom, a halogen atom, a lower alkyl group, a trifluoromethyl group, a lower alkoxyl group, a lower alkenyloxy group or a halogenated lower alkoxyl group or are, taken together, a methylenedioxy group; R.sub.3 is a vinyl group or a ethynyl group; R.sub.4 is a hydrogen atom or a lower alkyl group; R.sub.5 is a hydrogen atom or a fluorine atom; R.sub.6 is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxyl group or a trifluoromethyl group; Z is a nitrogen atom or a group represented by the formula --CH.dbd.; when Z is a nitrogen atom, Y is an oxygen atom; and when Z is a group of the formula --CH.dbd., Y is an oxygen atom, a sulfur atom, a methylene group or a group represented by the formula --NH--.
    Type: Grant
    Filed: February 20, 1986
    Date of Patent: September 20, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Noritada Matsuo, Kazunori Tsushima, Sumio Nishida, Toshihiko Yano, Masachika Hirano
  • Patent number: 4699727
    Abstract: 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.
    Type: Grant
    Filed: November 22, 1985
    Date of Patent: October 13, 1987
    Assignee: BASF Corporation
    Inventor: Edward M. Dexheimer
  • Patent number: 4686303
    Abstract: 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 or equal to 0.02 m.sup.2 /cm.sup.3.
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: August 11, 1987
    Assignee: Cassella Aktiengesellschaft
    Inventors: Wolfgang Bauer, Manfred Langer, Winfried Sperling
  • Patent number: 4684671
    Abstract: 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## [where X is a sulfonio group represented by the following formula (II)]. ##STR2## (where at least one of R.sub.1 -R.sub.10 is (A) a C.sub.1 -C.sub.18 aliphatic group having at least one hydroxyl group or (B) a C.sub.3 -C.sub.19 aliphatic group having a group of --OCH.sub.2 CH.sub.2 O--).
    Type: Grant
    Filed: April 9, 1986
    Date of Patent: August 4, 1987
    Assignee: Asahi Denka Kogyo K.K.
    Inventors: Hiroshi Tsuchiya, Kazuhiko Morio, Hisashi Murase, Kazuo Ohkawa
  • Patent number: 4613703
    Abstract: 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 compounds in high yield.
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: September 23, 1986
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Patent number: 4600798
    Abstract: 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 producing polyetherimide polymers.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: July 15, 1986
    Assignee: General Electric Company
    Inventor: James A. Cella
  • Patent number: 4560808
    Abstract: 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 compound such as a dihydric phenol, thereby forming at least one dihydric phenol which is different than said aromatic dihydroxy compound.
    Type: Grant
    Filed: January 2, 1985
    Date of Patent: December 24, 1985
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Patent number: 4547593
    Abstract: (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 the starting materials.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: October 15, 1985
    Assignee: Ethyl Corporation
    Inventor: Paul F. Ranken
  • Patent number: 4540824
    Abstract: A compound of the formula: ##STR1## wherein R is a hydrogen atom or a lower alkoxy group, X.sub.2 and Y.sub.2, 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 hydrogen atom or a halogen atom, which is useful as an intermediate for the production of diphenyl sulfone compounds.
    Type: Grant
    Filed: May 15, 1984
    Date of Patent: September 10, 1985
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroyuki Konishi, Naganori Hino, Hiroshi Matsumoto, Ryo Yoshida
  • Patent number: 4438282
    Abstract: Sulfides prepared by reacting a sulfoxide with a hydrazine or hydroxylamine derivative or a quaternary salt thereof are useful starting materials for the preparation of drugs, pesticides and dyes.
    Type: Grant
    Filed: June 23, 1982
    Date of Patent: March 20, 1984
    Assignee: BASF Aktiengesellschaft
    Inventors: Hartmut Lardon, Guenther Seybold
  • Patent number: 4397864
    Abstract: 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, and B stands for a group represented by the following formula [II]: ##STR2## or the following general formula [III]: ##STR3## wherein Z stands for an oxygen or sulfur atom or a carbonyl or methylene group, R.sup.1 stands for a hydrogen or halogen atom or a lower alkyl group or a lower alkoxy group, and n is an integer of from 1 to 5 with the proviso that when n is 2 or more, the groups R.sup.1 may be the same or different, and also to processes for the preparation or these ethers of thioethers and a use of these ethers or thioethers.These compounds of the present invention have excellent insecticidal and acaricidal activities while the toxicity of these compounds are very low.
    Type: Grant
    Filed: April 14, 1981
    Date of Patent: August 9, 1983
    Assignee: Mitsuitoatsu Chemicals Inc.
    Inventors: Kiyoshi Nakatani, Satoshi Numata, Tsuneo Inoue, Kenji Kodaka, Tsutomu Ishii, Teruhiko Toyama, Hajime Tachibana, Takatoshi Udagawa, Masatoshi Gohbara
  • Patent number: 4324920
    Abstract: 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.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: April 13, 1982
    Assignee: Ethyl Corporation
    Inventors: Bonnie G. McKinnie, Paul F. Ranken
  • Patent number: 4314086
    Abstract: 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 having the formula:N--CHR.sub.1 CHR.sub.2 --O--CHR.sub.3 --CHR.sub.4 --O--.sub.n R.sub.5 ].sub.
    Type: Grant
    Filed: June 20, 1980
    Date of Patent: February 2, 1982
    Assignee: Rhone-Poulenc Industries
    Inventors: Gerard Soula, Daniel Michelet
  • Patent number: 4308199
    Abstract: 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..sup.2,6 ] decane; 1,4-bis[2-(4-hydroxyphenylthio)ethyl]benzene and age resistant polymers containing said antioxidants.
    Type: Grant
    Filed: January 17, 1980
    Date of Patent: December 29, 1981
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Kirkwood S. Cottman
  • Patent number: 4288386
    Abstract: 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:N--CHR.sub.1 --CHR.sub.2 --O--CHR.sub.3 --CHR.sub.4 --O--.sub.n R.sub.5 ].sub.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: September 8, 1981
    Assignee: Rhone-Poulenc Industries
    Inventors: Gerard Soula, Louis Linguenheld
  • Patent number: 4287125
    Abstract: Benzenoid ethers/thioethers are prepared by reacting an activated halobenzene with an anionic reactant, RA.sup.- M.sup.+, in the presence of at least one tertiary amine sequestering agent having formula:N--CHR.sub.1 --CHR.sub.2 --O--CHR.sub.3 --CHR.sub.4 --O--.sub.n R.sub.5 ].sub.
    Type: Grant
    Filed: June 20, 1980
    Date of Patent: September 1, 1981
    Assignee: Rhone-Poulenc Industries
    Inventor: Gerard Soula
  • Patent number: RE31771
    Abstract: Disclosed is a process for the preparation of .[.otho.]..Iadd.ortho.Iaddend.-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.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: December 18, 1984
    Assignee: Ethyl Corporation
    Inventors: Bonnie G. McKinnie, Paul F. Ranken
  • Patent number: RE32618
    Abstract: 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..sup.2,6 ] decane; 1,4-bis[2-(4-hydroxyphenylthio)ethyl]benzene and age resistant polymers containing said antioxidants.
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: March 1, 1988
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Kirkwood S. Cottman