Hydroxy Containing (h Of -oh May Be Replaced By A Group Ia Or Iia Light Metal) Patents (Class 568/638)
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Patent number: 4743703Abstract: The 4-fluoroalkyl-4'-nitrodiphenyl ethers comprise a class of compounds that are highly effective herbicides.Type: GrantFiled: September 19, 1983Date of Patent: May 10, 1988Assignee: Rohm and Haas CompanyInventor: Colin Swithenbank
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Patent number: 4715882Abstract: The invention relates to certain substituted phenoxypropionaldehyde derivatives, formulations of said derivatives and the use thereof for preemergence or postemergence control of noxious plants, i.e., weeds.Type: GrantFiled: October 15, 1986Date of Patent: December 29, 1987Assignee: PPG Industries, Inc.Inventor: Muppala S. Raju
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Patent number: 4705887Abstract: Aromatic polyvinylethers and active hydrogen compound reaction products thereof have been found to provide fast heat curable molding compositions when used with various heat activated curing catalysts, for example, diaryliodonium salts in combination with aromatic polyvinylether soluble copper compounds, or dialkylhydroxyarylsulfonium salts in combination with certain organic oxidants.Type: GrantFiled: April 1, 1985Date of Patent: November 10, 1987Assignee: General Electric CompanyInventor: James V. Crivello
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Patent number: 4705900Abstract: Compounds of formula R.sup.3 --CH.dbd.CH--CR.sup.1 R.sup.2 --CH.sub.2 OCH.sub.2 R.sup.4 wherein R.sup.1 and R.sup.2 are H, alkyl or together form a cycloalkyl group with the adjacent carbon, R.sup.3 is a substituted phenyl group, R.sup.4 is an optionally subsituted phenoxy phenyl group, and compositions containing them useful as insecticides, and compounds of formula HOCH.sub.2 --CR.sup.1 R.sup.2 --CH.sub.2 OCH.sub.2 R.sup.4 and OCH--CR.sup.1 R.sup.2 CH.sub.2 OCH.sub.2 R.sup.4, useful as intermediates therefor.Type: GrantFiled: September 3, 1986Date of Patent: November 10, 1987Assignee: Imperial Chemical Industries PLCInventor: Alan J. Whittle
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Patent number: 4701542Abstract: A process for the resolution of hemiacetal compounds of the formula ##STR1## wherein A is a hydrocarbon chain containing 1 to 16 groups, the said chain optionally containing at least one heteroatom, at least one unsaturation, the assembly of the group constituting the chain may be a mono- or polycyclic system including a spiro or endosystem and the assembly of chain A and the carbon atoms attached thereto can contain at least one chiral atom or the hemiacetal moiety thereto which can present a chirality due to the dissymetric spatial configuration of the molecule and Y is selected from the group consisting of hydrogen, alkyl of 1 to 18 carbon atoms optionally substituted, --CY.sub.3 ' and the .beta.,.gamma.Type: GrantFiled: March 31, 1986Date of Patent: October 20, 1987Assignee: Roussel UclafInventors: Jean Tessier, Jean-Pierre Demoute
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Patent number: 4700006Abstract: Novel carbamoylimidazole derivatives of the formula (I) ##STR1## in which R.sup.1 represents lower alkyl, lower alkoxy-lower alkyl or cycloalkyl having 3 to 8 carbon atoms,R.sup.2 represents fluoro-substituted lower alkyl,X represents oxygen or sulfur,Y represents halogen or lower alkyl,m represents the numbers 0, 1 or 2, andn represents the numbers 2, 3, 4, 5 or 6,and the use of the new compounds as agricultural and horticultural fungicides.Type: GrantFiled: April 3, 1986Date of Patent: October 13, 1987Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Toyohiko Kume, Yoshio Kurahashi, Kunihiro Isono, Shinji Sakawa, Noboru Matsumoto
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Patent number: 4694110Abstract: A process for producing m-phenoxybenzyl alcohol which comprises reacting chlorobenzene with m-hydroxybenzyl alcohol in the presence of a copper compound as a catalyst and a base, characterized in that chlorobenzene is added to a polar solvent having a higher boiling point than chlorobenzene, the amount of chlorobenzene being 0.05 to 4.0 times the weight of the polar solvent; at least one compound selected from alkali hydroxides, alkali carbonates and alkali bicarbonates is used as the base in an amount of 1.0 to 2.0 gram-equivalents per mole of m-hydroxybenzyl alcohol; and the reaction is carried out at a temperature of 140.degree. to 200.degree. C. while removing the generated water as an azeotrope with chlorobenzene.Type: GrantFiled: May 9, 1986Date of Patent: September 15, 1987Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Shinji Takenaka, Ryu Oi
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Patent number: 4686235Abstract: Substituted cinnamyl-2,3-dihydrobenzofurans and analogs were prepared from the nucleophlic substitution of a cinnamylhalide with a 2,3-dihydrobenzofuran anion or an analog thereof. These compounds were found to be potent topical anti-inflammatory agents.Type: GrantFiled: August 12, 1985Date of Patent: August 11, 1987Assignee: Merck & Co., Inc.Inventors: Michael N. Chang, Norman P. Jensen, Milton L. Hammond, Robert A. Zambias, John McDonald, Kathleen M. Rupprecht
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Patent number: 4677185Abstract: This invention relates to a new process for the preparation of bifunctional polyphenylene oxides.Type: GrantFiled: September 25, 1985Date of Patent: June 30, 1987Assignee: Bayer AktiengesellschaftInventors: Walter Heitz, Wilhelm Risse
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Patent number: 4675457Abstract: The invention relates to a process for the preparation of 4,4'-dihydroxydiphenyl ether by dehydration of hydroquinone using sulfonic acids or sulfuric acid as catalysts at elevated temperatures. The dehydration product is stirred with an excess of water at 80.degree. to 110.degree. C. The higher condensed byproducts which are undissolved during this are separated off, and the ether desired is allowed to crystallize out of the filtrate obtained.Type: GrantFiled: September 12, 1986Date of Patent: June 23, 1987Assignee: Hoechst AktiengesellschaftInventor: Edgar Vorwerk
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Patent number: 4638099Abstract: A method for making 4,4'-dihydroxydiphenyl ether from diphenyl ether by oxidatively iodinating diphenyl ether to 4,4'-diiododiphenyl ether and/or 4-hydroxy-4'-iododiphenyl ether, hydrolyzing this product with a base, recovering iodine from the solution containing iodide, and recycling the iodine to the iodination step.Type: GrantFiled: January 23, 1986Date of Patent: January 20, 1987Assignee: Rohm GmbHInventors: Achim Riemann, Werner Ude
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Patent number: 4616082Abstract: New hydroquinone ether compounds of formula I are described: ##STR1## wherein p is 1 or 2 and Q is 0 or 1, provided that p+q is 1 or 2, R is a residue of formula II ##STR2## and R.sub.o, R.sub.oo, R.sub.1, R.sub.2, R.sub.3, Q, n and k are as defined in the specification,The new compounds are useful e.g. as stabilizers in photographic material.Type: GrantFiled: June 7, 1985Date of Patent: October 7, 1986Assignee: Ciba-Geigy AGInventor: Frederick H. Howell
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Patent number: 4613703Abstract: 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: GrantFiled: April 5, 1982Date of Patent: September 23, 1986Assignee: The Dow Chemical CompanyInventor: Robert E. Hefner, Jr.
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Patent number: 4582944Abstract: A process for producing a hydroxydiphenyl ether, which comprises reacting at least one hydroquinone compound with itself or with a monohydric phenol compound in the presence of a catalyst composed essentially of a synthetic mica in which at least 10 mole % of cation-exchangeable interlayer cations are made up of a metal ion other than alkali metal ions, and/or a proton.Type: GrantFiled: May 3, 1984Date of Patent: April 15, 1986Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Katsuo Taniguchi, Hideo Nakamura, Terunori Fujita
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Patent number: 4560808Abstract: 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: GrantFiled: January 2, 1985Date of Patent: December 24, 1985Assignee: General Electric CompanyInventors: Victor Mark, Charles V. Hedges
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Patent number: 4447650Abstract: Methylene coupled aromatic compounds are prepared by contacting an aromatic reactant having a reactive hydrogen with chloromethyl methyl carbonate at a temperature from about 25.degree. C. to about 250.degree. C. in the presence of a catalytic amount of a Lewis acid.Type: GrantFiled: July 26, 1982Date of Patent: May 8, 1984Assignee: The Dow Chemical CompanyInventor: James M. Renga
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Patent number: 4429167Abstract: This invention relates to 3-alkoxy-4-substituted-phenoxy-2,3-unsaturated acid esters and derivatives thereof and the use of said acid esters and derivatives for the control of weeds.Type: GrantFiled: January 22, 1982Date of Patent: January 31, 1984Assignee: Zoecon CorporationInventor: Shy-Fuh Lee
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Patent number: 4393079Abstract: Anti-inflammatory compositions are prepared which comprise a therapeutically effective amount of a compound of the formula ##STR1## wherein X is CO or CHOH; Y is CO; the dotted line represents a double bond which is present or absent; R.sub.1 is hydrogen or methyl; R.sub.2 is hydrogen, fluorine, chlorine, bromine, methyl, trifluoromethyl, methoxyl, hydroxyl, acetoxyl, nitro or amino; R.sub.3 is alkyl of 3 to 8 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, alkenyl of 3 to 8 carbon atoms, cycloalkenyl of 5 to 8 carbon atoms or phenyl unsubstituted or substituted by 1 or 2 substituents selected from the group consisting of fluorine, chlorine, bromine, methyl, ethyl, methoxyl, ethoxyl, benzyloyl, hydroxyl, acetoxyl, trifluoromethyl, nitro, amino, acetyl, methylthiol, methylsulphonyl, methylamino and dimethylamino. Compounds of formula I above are also novel.Type: GrantFiled: December 15, 1976Date of Patent: July 12, 1983Assignee: Beecham Group LimitedInventors: William G. Cole, Alexander C. Goudie, Carl J. Rose
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Patent number: 4377532Abstract: The invention relates to 3-phenoxybenzyl compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, cyano, --CSNH.sub.2, C.sub.2 -C.sub.3 alkenyl or C.sub.2 -C.sub.3 alkynyl and R.sub.2 is alkenyl or alkynyl, as intermediates for the production of biocides.The preparation of the 3-phenoxybenzaldehydes employed as intermediates is described. Novel 3-phenoxybenzaldehydes used as starting materials and the production thereof are also disclosed.Type: GrantFiled: February 19, 1982Date of Patent: March 22, 1983Assignee: Ciba-Geigy CorporationInventors: Peter Ackermann, Laurenz Gsell, Rudolf Wehrli
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Patent number: 4370277Abstract: Compounds of the formula: ##STR1## in which R.sup.1 is H, halogen, alkyl or alkoxy; R.sup.2 is H, halogen, alkyl or CF.sub.3 ; R.sup.3 is H, Cl, Br, alkyl or CN; R.sup.4 is H, halogen, alkyl, phenyl or halophenyl; and R.sup.5 is H, alkyl, alkinyl or CN; are starting materials for the manufacture of valuable insecticides of the pyrethroid type.Type: GrantFiled: October 26, 1981Date of Patent: January 25, 1983Assignee: Hoechst AktiengesellschaftInventors: Wolfgang Welter, Hilmar Mildenberger
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Patent number: 4355189Abstract: Process for the preparation of 4-phenoxyphenols of the formula ##STR1## in which R.sup.1 through R.sup.5 are hydrogen, halogen or alkyl, by diazotization of amines of the formula ##STR2## in a hydrochloric acid medium, and boiling in aqueous sulfuric acid at 110.degree. to 150.degree. C.Type: GrantFiled: February 6, 1981Date of Patent: October 19, 1982Assignee: Hoechst AktiengesellschaftInventors: Gert Volkwein, Hubert Schonowsky, Konrad Baessler
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Patent number: 4355186Abstract: Substituted 4-phenoxy-phenols are prepared by adding the corresponding anilines in liquid or molten state together with aqueous sodium nitrite solution in equimolar amounts to excess HCl and introducing the diazonium chloride solution obtained into a boiling mixture of about half-concentrated H.sub.2 SO.sub.4 and an aromatic hydrocarbon.Type: GrantFiled: June 25, 1981Date of Patent: October 19, 1982Assignee: Hoechst AktiengesellschaftInventors: Werner Becker, Klaus Dehmer, Klaus Kaiser, Karl Rehn
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Patent number: 4348408Abstract: The invention describes cyclopropanecarboxylic acid .alpha.-allenyl-3-phenoxybenzyl esters of the formula ##STR1## wherein X.sub.1 is halogen and each of Y.sub.1 and Y.sub.2 is hydrogen or halogen, a process for the production of these compounds, and the use thereof for controlling a variety of pests of animals and plants. The intermediates of the formula ##STR2## wherein X is hydroxyl or halogen and each of Y.sub.1 and Y.sub.2 is hydrogen or halogen, are also described.Type: GrantFiled: August 12, 1981Date of Patent: September 7, 1982Assignee: Ciba-Geigy CorporationInventors: Peter Ackermann, Laurenz Gsell, Rudolf Wehrli
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Patent number: 4339612Abstract: 3,3-Dimethyl-1-phenoxy-butan-2-ols of the formula ##STR1## in which Y is a halogen atom, an optionally substituted phenyl radical, an optionally substituted phenoxy radical or a nitro, cyano, alkyl, alkoxy, alkoxycarbonyl or cycloalkyl radical, and n is 0, 1, 2 or 3,exhibit plant growth stimulating properties and are also useful in the synthesis of known fungicides. They are produced from tert-butyloxirane and the corresponding phenols.Type: GrantFiled: February 13, 1981Date of Patent: July 13, 1982Assignee: Bayer AktiengesellschaftInventors: Eckart Kranz, Peter Siegle
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Patent number: 4338468Abstract: .alpha.-Prop-1-ynyl-3-phenoxybenzyl alcohols of the formula ##STR1## wherein Y represents hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.3 alkoxy, cyano or dimethylamino, a process for their manufacture and their use as intermediates for the synthesis of compounds which are suitable for pest control, and which are especially suitable because of their low fish toxicity, for the control of rice pests e.g. Chilo suppressalis in rice paddies where fish are kept.Type: GrantFiled: December 9, 1980Date of Patent: July 6, 1982Assignee: Ciba-Geigy CorporationInventors: Saleem Farooq, Peter Ackermann, Jozef Drabek, Laurenz Gsell, Odd Kristiansen, Rudolf Wehrli
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Patent number: 4326088Abstract: 4,4'-dihydroxydiphenyl ether (DHDPE) is prepared by the catalytic oxidation of 4,4'-diisopropyldiphenyl ether to the corresponding dihydroperoxide, the latter being subjected to acid cleavage to provide the desired dihydroxy compound.Type: GrantFiled: January 8, 1981Date of Patent: April 20, 1982Assignee: National Distillers & Chemical Corp.Inventor: Harry Braus
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Patent number: 4316993Abstract: Diazotization of 4-phenoxy-anilines in aqueous sulfuric acid of 60 to 75% strength and decomposition of the resulting diazonium compound in sulfuric acid of the same concentration range yields the corresponding phenols in high yields and quality. These phenols are intermediate for the corresponding 4-phenoxy-phenoxy alkane carboxylic acids which are pharmaceuticals capable of reducing the blood serum lipid level.Type: GrantFiled: February 28, 1980Date of Patent: February 23, 1982Assignee: Hoechst AktiengesellschaftInventors: Emmerich Paszthory, Karl G. Seifert, Vincenz Zimmermann, Hans J. Nestler
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Patent number: 4307012Abstract: Compositions of oxidizable organic materials having stabilizing amounts of polymeric alkylbenzenoid hydroquinoid antioxidants of from about 500 to about 50,000 molecular weight, and polymers which are the reaction products of a hydroquinone compound and a polymeric monohydroxy alkylbenzenoid compound.Type: GrantFiled: December 17, 1979Date of Patent: December 22, 1981Assignee: Standard Oil CompanyInventor: Carl Serres, Jr.
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Patent number: 4301088Abstract: A method for preparing benzyl alcohols or substituted benzyl alcohols is disclosed by decarbonylation of formic acid esters of benzyl alcohols or ring substituted benzyl alcohols, the decarbonylation being carried out in the presence of a catalyst.Type: GrantFiled: June 6, 1979Date of Patent: November 17, 1981Assignee: Dynamit Nobel AGInventor: Gunther Bernhardt
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Patent number: 4291177Abstract: Highly pure dihalodiphenols or predetermined, statistical mixtures of unreacted, monohalo- and dihalodiphenols are obtained reacting the diphenol, which is suspended or dissolved in a suitable solvent, with a halogen while concurrently purging the reaction with a gas that is inert to the reaction.Type: GrantFiled: December 6, 1979Date of Patent: September 22, 1981Assignee: General Electric CompanyInventors: Victor Mark, Charles A. Wilson, II
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Patent number: 4288386Abstract: 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: GrantFiled: May 12, 1980Date of Patent: September 8, 1981Assignee: Rhone-Poulenc IndustriesInventors: Gerard Soula, Louis Linguenheld
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Patent number: 4283566Abstract: An improved process for obtaining halogenated diphenols which can be pure dihalodiphenols or predetermined, statistical mixtures comprising unreacted diphenol, monohalodiphenols and dihalodiphenols.Type: GrantFiled: January 21, 1980Date of Patent: August 11, 1981Assignee: General Electric CompanyInventor: Victor Mark
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Patent number: 4283565Abstract: There is described an essentially two step process for the preparation of benzylalcohols including those benzylalcohols having substituents on the benzyene ring by reaction of a substituted or unsubstituted benzyl halide with a formate typically an alkali or alkaline earth metal formate to form the corresponding substituted or unsubstituted benzyl formate. In the second step of the process the benzyl formate is contacted with an alcohol whereby the same is converted into the desired benzylalcohol. Both steps can be performed employing catalysts. Described in the specification is the realization of the desired product in exceptionally high yields in a short period of time whereby the process is characterized by high space-time yields.Type: GrantFiled: December 29, 1978Date of Patent: August 11, 1981Assignee: Dynamit Nobel AGInventors: Gunther Bernhardt, Gerhard Daum
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Patent number: 4282391Abstract: A continuous process for obtaining highly pure, high molecular weight aromatic polycarbonates from highly pure, halogenated diphenols.Type: GrantFiled: December 10, 1979Date of Patent: August 4, 1981Assignee: General Electric CompanyInventors: Clayton B. Quinn, Charles A. Wilson, II
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Patent number: 4275241Abstract: A process for the preparation of a-phenoxy-benzaldehyde which comprises contacting the 3-phenoxy-benzyl alcohol of the formula ##STR1## wherein R.sup.1 and R.sup.2 are identical or different and represent hydrogen or halogen with an aqueous solution of a dichromate in the presence of aqueous sulphuric acid at a temperature in the range of 50.degree. to 125.degree. C. The 3-phenoxy-benzaldehyde can be in a mixture of other organic compounds such as obtained by hydrolyzing a 3-phenoxy toluene chlorinated in the side chain at a temperature of 140.degree.-210.degree. C. under pressure.Type: GrantFiled: October 29, 1979Date of Patent: June 23, 1981Assignee: Bayer AktiengesellschaftInventors: Siegfried Bohm, Alfons Klein, Karlfried Wedemeyer
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Patent number: 4264769Abstract: A novel process for the preparation of a hydroxyphenyl ether compound of the formula ##STR1## in which R represents a radical of the formula ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 are independently selected from hydrogen, halogen, haloalkyl, nitro or cyano; orR represents a heterocyclic radical which optionally carries one or more substituents selected from halogen, halogenoalkyl, alkoxy, nitro and cyano and which can contain an optionally substituted fused benzene ring,which process comprises reacting a halogen compound of the formulaR--Hal (II)in whichR is defined as above, andHal is fluorine, chlorine or bromine,with a dihydroxybenzene of the formula ##STR3## in the presence of calcium hydroxide and in the presence of a polar diluent, at a temperature of from 20.degree. C. to 200.degree. C.Type: GrantFiled: February 2, 1979Date of Patent: April 28, 1981Assignee: Bayer AktiengesellschaftInventor: Heinz Forster
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Patent number: 4261922Abstract: Hydroxyalkylphenyl ether compounds are prepared by reaction of cyclic organic carbonate compounds with phenols in the presence of potassium iodide catalyst.Type: GrantFiled: July 26, 1979Date of Patent: April 14, 1981Assignee: The Dow Chemical CompanyInventor: Kenneth M. Kem
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Patent number: 4242527Abstract: A process for purifying crude diphenols via a water co-solvent system is disclosed.Type: GrantFiled: May 23, 1979Date of Patent: December 30, 1980Assignee: General Electric CompanyInventors: Victor Mark, Charles V. Hedges
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Patent number: 4238504Abstract: Cyclopropanecarboxylic acid-phenoxy-.alpha.-vinyl-benzyl esters of the formula ##STR1## in which Y is chlorine or bromine, and R.sub.1 is --CH.dbd.CH.sub.2 or ##STR2## processes for producing them, and their use in combating pests.Type: GrantFiled: June 22, 1979Date of Patent: December 9, 1980Assignee: Ciba-Geigy CorporationInventors: Jozef Drabek, Peter Ackermann, Saleem Farooq, Laurenz Gsell, Odd Kristiansen
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Patent number: 4226800Abstract: Phenolic materials containing propargyl groups are prepared by reacting a polyhydric, phenolic material with propargyl bromide, the reaction being conducted in an aqueous sodium hydroxide solution. The products can be thermally polymerized to polymers which are useful as adhesives and as matrix resins in the fabrication of composites.Type: GrantFiled: June 14, 1979Date of Patent: October 7, 1980Assignee: The United States of America as represented by the Secretary of the Air ForceInventor: Lewellyn G. Picklesimer
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Patent number: 4220605Abstract: A process for the production of alcohols and/or aldehydes which comprises subjecting a toluene derivative having an ether linkage or linkages of the general formula: ##STR1## wherein RO is an ether grouping where R stands for a hydrocarbyl group with 1.about.20 carbon atoms which may carry an inert substituent or substituents and n stands for an integer of 1.about.2, to auto-oxidation with molecular oxygen in liquid phase to form the corresponding alcohol and/or aldehyde, characterized in that the reaction is carried out by using a lower saturated fatty acid and/or an anhydride thereof as solvent in the presence of a soluble cobalt salt and a bromine ion-supplying substance at a reaction temperature ranging from 30.degree. C. to 200.degree. C. in such manner that the conversion rate of the toluene derivative does not exceed 90%.Type: GrantFiled: December 23, 1977Date of Patent: September 2, 1980Assignees: Director General of Agency of Industrial Science and Technology, Sanko Chemical Co. Ltd., Nippon Soda Co. Ltd.Inventor: Juichi Imamura
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Patent number: 4214086Abstract: A process for producing hydroxydiaryl ethers of the formula ##STR1## wherein R respesents an alkyl group having 1 to 4 carbon atoms or chlorine, n represents 0, 1, 2, 3 or 4, and X represents a phenyl group of the formula II ##STR2## or a 2-pyridinyl group or a 4-pyridinyl group of the formulae ##STR3## wherein R.sub.1, R.sub.2 and R.sub.3 each represent hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkyl group which has 1 to 4 carbon atoms and which is mono- or disubstituted by halogen, phenyl, halogen, carboxyl, alkoxycarbonyl having 1 to 4 carbon atoms in the alkyl group, trifluoromethyl, nitro, cyano or benzoyl, R.sub.4 and R.sub.5 each represent hydrogen, an alkyl group having 1 to 4 carbon atoms or phenyl, and R.sub.6 has all the meanings given, with the exception of halogen, for R.sub.1, R.sub.2 and R.sub.3 is disclosed.Type: GrantFiled: May 9, 1979Date of Patent: July 22, 1980Assignee: Ciba-Geigy CorporationInventor: Hansjakob Fah
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Patent number: 4198418Abstract: Novel spiro[dibenz(b,f)oxepin-piperidine]s and methods of preparing same are described. These compounds are useful as analgetics, tranquilizers and anticonvulsants.Type: GrantFiled: January 10, 1979Date of Patent: April 15, 1980Assignee: American Hoechst CorporationInventors: Helen H. Ong, James A. Profitt
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Patent number: 4182911Abstract: Novel optically-active (S)- 1-aryloxy-2,3-epoxy-propane derivatives, a process for their manufacture, various intermediates used in the preparation thereof, and a process for using them for the manufacture of optically-active (S)-1-aryloxy-3-amino-2-propanol derivatives useful as .beta.-adrenergic blocking agents.Type: GrantFiled: December 20, 1977Date of Patent: January 8, 1980Assignee: Imperial Chemical Industries LimitedInventor: Howard Tucker
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Patent number: 4175138Abstract: Hypolipidemic agents of the formula: ##STR1## wherein X is C.dbd.O or CHOH,R.degree. is branched lower alkyl,R is hydrogen, alkyl, or halo,n is 1 or 2, andR' and R" are hydrogen, halo, alkyl or alkoxy, e.g., 4-phenoxy pivalophenone.Type: GrantFiled: January 30, 1978Date of Patent: November 20, 1979Assignee: Sandoz, Inc.Inventor: Faizulla G. Kathawala
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Patent number: 4175137Abstract: The invention relates to novel etherified cycloalkanols of the formula ##STR1## wherein X.sub.1 represents oxygen, sulphur or methylene, X.sub.2 represents oxygen or sulphur, A represents an unsubstituted or substituted phenyl radical and n is an integer from 1 to 10 inclusive, and processes for the production thereof.These compounds, especially 2-(4-phenoxyphenoxy)-cyclo-pentan-1-ol, effect a lowering of the lipid content in the blood serum. They are also intermediates for the production of insecticidal cyclopropanecarboxylic acid esters.Type: GrantFiled: July 13, 1978Date of Patent: November 20, 1979Assignee: Ciba-Geigy CorporationInventors: Saleem Farooq, Friedrich Karrer, Georges Haas
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Patent number: 4168218Abstract: Benzopinacol compounds can be prepared by an improved process comprising irradiating a diarylketone with UV radiation in a non-polar hydrocarbon solvent mixed with an alcohol. The volume ratio of the non-polar hydrocarbon solvent to alcohol is between 3:1 and 8:1. The benzopinacols are useful, for example, in imaging materials, such as with certain dyes that are reactive with the ketyl radicals that can be released from the benzopinacols upon heating.Type: GrantFiled: February 13, 1978Date of Patent: September 18, 1979Assignee: Eastman Kodak CompanyInventor: Jonas Dedinas
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Patent number: 4154767Abstract: Reaction of the diphenyl ether with formaldehyde, an alcohol, water and acid catalyst produces a mixture of condensation products that can be cured to useful, thermally stable resins. These condensation products are also useful as functional fluids in capacitors and other electrical devices.Type: GrantFiled: March 7, 1977Date of Patent: May 15, 1979Assignee: The Dow Chemical CompanyInventors: Raymond A. Plepys, Edgar F. Hoy
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Patent number: 4141921Abstract: Compounds of the formula ##STR1## wherein R.sub.1 represents hydrogen, methyl or iodine,R.sub.2 represents hydrogen, methyl or ethylR.sub.3 represents hydrogen or methylR.sub.4 represents hydrogen, C.sub.1 -C.sub.3 alkyl; C.sub.1 -C.sub.3 alkoxy; halogen or nitro, andZ represents oxygen, or the group --CH.sub.2 O--, whereby the CH.sub.2 -group is bound to the phenyl nucleus,And their use for the control of insects are disclosed.Type: GrantFiled: April 4, 1977Date of Patent: February 27, 1979Assignee: Ciba-Geigy CorporationInventor: Friedrich Karrer
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Patent number: 4134925Abstract: Compounds of the formula: ##STR1##The compounds can be produced by reacting the corresponding 4,4'-bis-(halogenmethyl)-ar-octahalogendiphenylethers with at least 2 moles of alkali acetate or formiate in the presence of alcohol as transesterification agent and solvent. The compounds are useful as intermediates for the production of insecticides, herbicides or hydrophobizing agents.Type: GrantFiled: July 27, 1976Date of Patent: January 16, 1979Assignee: Dynamit Nobel AktiengesellschaftInventors: Egon N. Petersen, Klaus Schrage