Halogen Containing Patents (Class 568/637)
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Patent number: 4272429Abstract: Oligomers of aromatic diols and brominated diphenyl compounds are described. They are useful in resin blends with thermoplastic polymers to impart flame-retardancy thereto without substantial resin degradation at molding temperatures.Type: GrantFiled: February 29, 1980Date of Patent: June 9, 1981Assignee: E. I. Du Pont de Nemours and CompanyInventor: Richard H. Jones
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Patent number: 4268693Abstract: 3-Hydroxydiphenyl ethers of the formula ##STR1## wherein R.sub.1 represents hydrogen, fluorine or chlorine, each of R.sub.2 and R.sub.3 independently represents hydrogen or chlorine, and each of R.sub.4, R.sub.5 and R.sub.6 independently represents hydrogen, fluorine, chlorine, bromine or alkyl of 1 to 4 carbon atoms, with the proviso that each phenyl nucleus contains at least one halogen atom, but the total number of halogen atoms in the molecule does not exceed 4, processes for their production and a method of using them for combating micro-organisms.Type: GrantFiled: November 14, 1978Date of Patent: May 19, 1981Assignee: Ciba-Geigy CorporationInventors: Rene Muntwyler, Kurt Burdeska
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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: 4261920Abstract: A 3-phenoxy-fluorobenzyl alcohol of the formula ##STR1## in which R.sup.2 is hydrogen, cyano or ethynyl.The compounds can be esterified with pyrethroid-type carboxylic acids to give highly active insecticides.Type: GrantFiled: December 5, 1979Date of Patent: April 14, 1981Assignee: Bayer AktiengesellschaftInventors: Rainer Fuchs, Ingeborg Hammann, Wolfgang Behrenz, Wilhelm Stendel
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Patent number: 4258175Abstract: There is provided a process for preparing a compound of the formula ##STR1## wherein X.sup.1, X.sup.2, X.sup.3, and X.sup.4 are independently selected from the group consisting of fluorine, chlorine, bromine and iodine; n is an integer of from 1 to about 100; a, b, c, and d are each integers of from about 0 to about 4; Z.sup.1 and Z.sup.2 are independently selected from the group consisting of halogen and alkyl of from about 1 to about 15 carbon atoms; R.sup.1 and R.sup.2 are independently selected from the group consisting of alkylene containing from about 1 to about 12 carbon atoms, alkylenyl containing from about 2 to about 12 carbon atoms, cycloalkylene of the formula ##STR2## wherein R.sup.3, R.sup.4 and R.sup.5 are independently selected from the group consisting of alkylene of from about 1 to about 5 carbon atoms, and cycloalkylenyl of the formula ##STR3## and A is selected from the group consisting of R.sup.3 CR.sup.Type: GrantFiled: July 6, 1979Date of Patent: March 24, 1981Assignee: Velsicol Chemical CorporationInventor: Sun-Mao Chen
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Patent number: 4246188Abstract: Aryl sulfonic acid esters of the formula ##STR1## wherein R.sup.1 represents hydrogen, alkyl groups of 1 to 8 carbon atoms, bromine or chlorine, R.sup.2 represents R.sup.1 or the group ##STR2## Hal represents bromine or chlorine, x the numbers 2 to 4, n the numbers 3 to 5, y the numbers 4-x; m=5-n, R.sup.3 represents bromine, chlorine or the group ##STR3## and Z represents --O--, --S--, ##STR4## alkylene with 1 to 4 carbon atoms, or alkylidene; a process for their product and their use as a flame retardant, especially for polyolefins.Type: GrantFiled: October 2, 1978Date of Patent: January 20, 1981Assignee: Dynamit Nobel AktiengesellschaftInventors: Egon N. Peterson, Hermann Richtzenhain
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Patent number: 4242357Abstract: 3-Phenoxybenzyl alcohols and carboxylic acid esters thereof for combating pests of the formula ##STR1## in which R and R.sup.1 are different and each represent hydrogen, fluorine or bromine,R.sup.2 represents cyano or ethynyl andR.sup.3 represents the ##STR2## or the ##STR3## wherein the phenyl ring can optionally carry one or more substituents selected independently from halogen, alkyl, alkylthio and alkoxy with in each case 1 to 4 carbon atoms, nitro and methylenedioxy, andR.sup.4 and R.sup.5 are identical and each represent chlorine, bromine or methyl, andR.sup.2 represents hydrogen in case thatR.sup.3 represents the ##STR4## wherein R.sup.4 and R.sup.5 are identical and each represent chlorine or bromine andR.sup.3 represents the ##STR5## wherein the phenyl ring can carry the above mentioned substituents which possess insecticidal and acaricidal properties. The benzyl alcohols from which the esters are made are also new.Type: GrantFiled: March 31, 1977Date of Patent: December 30, 1980Assignee: Bayer AktiengesellschaftInventors: Rainer A. Fuchs, Ingeborg Hammann, Wolfgang Behrenz, Bernhard Homeyer, Wilhelm Stendel
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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: 4231787Abstract: Phenoxypropane compounds represented by the general formula (I): ##STR1## wherein X is a 4-halophenoxy group, a 2,4-dihalophenoxy group, a 4-trifluoromethylphenoxy group, a 2-halo-4-trifluoromethylphenoxy group, a 5-halopyridyl-2-oxy group or a 3,5-dihalopyridyl-2-oxy group; and Y is a halogen atom, a hydroxy group, a (C.sub.1 -C.sub.4)-alkoxy group in which the alkyl moiety thereof may be substituted with a hydroxy group(s), a (C.sub.1 -C.sub.4)alkylcarbonyloxy group or a phenylcarbonyloxy group in which the phenyl moiety thereof may be substituted with a halogen atoms(s), useful as a herbicide; a herbicidal composition containing the compound; and methods of controlling weeds using such materials.Type: GrantFiled: June 21, 1978Date of Patent: November 4, 1980Assignee: Ishihara Sangyo Kaisha Ltd.Inventors: Ryuzo Nishiyama, Ryohei Takahashi, Kanichi Fujikawa, Rikuo Nasu, Nobuyuki Sakashita
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Patent number: 4218469Abstract: 3-Phenoxy-fluoro-benzyl carboxylic acid esters of the formula ##STR1## in which R.sup.2 is hydrogen, cyano or ethynyl,R.sup.3 is ##STR2## R.sup.4 and R.sup.5 represent chlorine, bromine or methyl, and R.sup.6 is phenyl or phenyl substituted with halogen, alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, nitro or methylenedioxy,which possess arthropodicidal properties. The alcohols are also new.Type: GrantFiled: February 13, 1978Date of Patent: August 19, 1980Assignee: Bayer AktiengesellschaftInventors: Rainer Fuchs, Ingeborg Hammann, Wolfgang Behrenz, Wilhelm Stendel
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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: 4210765Abstract: An improved process for obtaining halogenated diphenols which can be pure dihalodiphenols or predetermined, statistical mixtures comprising unreacted diphenol, monohalodiphenols and dihalodiphenols.Type: GrantFiled: February 28, 1978Date of Patent: July 1, 1980Assignee: General Electric CompanyInventor: Victor Mark
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Patent number: 4199596Abstract: Fluorine substituted phenoxybenzylcarbonyl derivatives of the formula ##STR1## in which R.sup.1 represents hydrogen, cyano or ethynyl andR.sup.2 represents the radical ##STR2## wherein R.sup.3 and R.sup.4, which are identical, each represent chlorine, bromine or methyl, orR.sup.2 represents the radical ##STR3## wherein R.sup.5 represents a phenyl ring which optionally carries one or more substituents each selected independently from halogen, alkyl, alkylthio and alkoxy each with 1-4 carbon atoms, nitro and methylenedioxy,which possess arthropodicidal properties. The benzyl alcohol components of these esters are also new.Type: GrantFiled: August 10, 1978Date of Patent: April 22, 1980Assignee: Bayer AktiengesellschaftInventors: Rainer Fuchs, Ingeborg Hammann, Wolfgang Behrenz, Bernhard Homeyer, Wilhelm Stendel
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Patent number: 4192669Abstract: Ethers, such as 2-[[4-[4-(trifluoromethoxy)phenoxy]phenoxy]]propanoic acid, methyl ester, useful for control of weeds.Type: GrantFiled: December 22, 1977Date of Patent: March 11, 1980Assignee: E. I. Du Pont de Nemours and CompanyInventors: John B. Adams, Jr., Joel B. Wommack, Jr.
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Patent number: 4189610Abstract: Dehydrohalogenation-rearrangement of 1,1-bis(4-oxy-substituted aryl)-2-haloethanes to yield 4,4'-dioxysubstituted stilbenes is effected by heating an acidic reaction medium comprising the 1,1-bis(4-oxy-substituted aryl)-2-haloethane dissolved in a solution of an aliphatic carboxylic acid and a carboxylic acid salt. The process is particularly directed to the preparation of 4,4'-dihydroxystilbene from 1,1-bis(4-hydroxyphenyl)-2-chloroethane.Type: GrantFiled: October 31, 1977Date of Patent: February 19, 1980Assignee: Monsanto CompanyInventor: James P. Coleman
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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: 4172959Abstract: Hydroquinone mono-phenyl ethers, and their alkali metal salts of the formula ##STR1## in which one of the radicals R.sub.1 and R.sub.2 denotes trifluoromethyl and the other denotes hydrogen or halogen and R.sub.3 represents hydrogen or an alkali metal cation or ammonium cation are prepared by reacting hydroquinone bis-phenyl ethers (bisphenoxybenzenes) of the formula ##STR2## with hydroquinone derivatives of the formula ##STR3## in which Cat denotes an alkali metal cation or ammonium cation and R.sub.4 denotes an alkali metal cation or ammonium cation or a (C.sub.1 -C.sub.4)-alkyl group, in a polar aprotic solvent at temperatures from 120.degree. to 280.degree. C., and optionally, an alkyl group present in the R.sub.4 -position is split off by treatment with an acid.Type: GrantFiled: December 21, 1977Date of Patent: October 30, 1979Assignee: Hoechst AktiengesellschaftInventor: Klaus H. Kaiser
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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: 4162366Abstract: New insecticides, organic esters wherein the alcohol moiety is .alpha.-trifluoromethyl-3-phenoxybenzyl alcohol and the acid moiety is a pyrethroid carboxylic acid, are described and shown to control a broad spectrum of insects, including acarids.Type: GrantFiled: April 7, 1978Date of Patent: July 24, 1979Assignee: FMC CorporationInventor: John F. Engel
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Patent number: 4156011Abstract: The sulphur- and oxygen-containing diaryl compounds of the formula: ##STR1## in which A and B, which may be the same or different, represent O, S, SO or SO.sub.2,Alk is a C.sub.1 -C.sub.4 hydrocarbon radical with a straight or branched chain, R represents COOH, an esterified COOH group, a carboxylic amide group, OH, O-SO.sub.2 CH.sub.3, NH.sub.2, NHR.sub.1, NR.sub.1 R.sub.2, NHZOH, NHZNR.sub.1 R.sub.2, C(.dbd.NH)NH.sub.2, C(.dbd.NH)NHOH or 2-.DELTA..sup.2 -imidazolinyl, Z is a C.sub.2 -C.sub.4 hydrocarbon radical with a straight or branched chain, and R.sub.1 and R.sub.2 each represent a C.sub.1 -C.sub.Type: GrantFiled: April 5, 1977Date of Patent: May 22, 1979Assignee: Societe Anonyme dite: Laboratoire L. LafonInventors: Victor Lafon, Louis Lafon
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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: 4153731Abstract: Compounds of the formula ##STR1## wherein N REPRESENTS THE NUMBERS 0 OR 1,Z represents oxygen, ##STR2## or sulphur R.sub.1 represents the groups ##STR3## wherein R.sub.5 represents hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, ethynyl, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.5 -alkoxy, C.sub.3 -C.sub.5 -alkenyloxy, C.sub.3 -C.sub.5 -haloalkenyloxy, C.sub.3 -C.sub.5 -alkynyloxy, nitro, cyano, C.sub.2 -C.sub.5 -alkoxycarbonyl, C.sub.3 -C.sub.5 -alkenyloxycarbonyl, C.sub.3 -C.sub.5 -alkynyloxycarbonyl, C.sub.1 -C.sub.3 -alkanoyl, C.sub.1 -C.sub.4 -alkylcarbamoyl, (di-C.sub.1 -C.sub.4 -alkyl)carbamoyl,R.sub.6 represents hydrogen, halogen, methyl, ethyl, isopropyl or methoxy, andR.sub.8 represents hydrogen or n-propyl,R.sub.2 represents hydrogen, methyl or ethyl,R.sub.3 and R.sub.4 each represent hydrogen, methyl, ethyl, methoxy, ethoxy, nitro or halogen, andR.sub.7 represents hydrogen or C.sub.1 -C.sub.2 -alkanoyl,And their use for combating insects and members of the order acarina are disclosed.Type: GrantFiled: March 13, 1978Date of Patent: May 8, 1979Assignee: Ciba-Geigy CorporationInventor: Friedrich Karrer
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Patent number: 4153719Abstract: Beta-diketones substituted by an aryl-aliphatic group in which the aliphatic chain is interrupted by a cyclic group, and useful as anti-viral agents, are prepared by interacting the appropriate aryl-aliphatic halide with an alkali metal salt of a beta-diketone.Type: GrantFiled: September 6, 1977Date of Patent: May 8, 1979Assignee: Sterling Drug Inc.Inventor: Guy D. Diana
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Patent number: 4152455Abstract: New insecticides, organic esters wherein the alcohol moiety is .alpha.-trifluoromethyl-3-phenoxybenzyl alcohol and the acid moiety is a pyrethroid carboxylic acid, are described and shown to control a broad spectrum of insects, including acarids.Type: GrantFiled: February 2, 1977Date of Patent: May 1, 1979Assignee: FMC CorporationInventor: John F. Engel
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Patent number: 4151302Abstract: Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are F, Cl or Br;Q is --CH(CH.sub.3)--CH.sub.2 --, --C(OH)(CH.sub.3)--CH.sub.2 -- or --C(CH.sub.3).dbd.CH--;Y is COOH, COOR.sup.3, CH.sub.2 OH or CH.sub.2 OAc;N is 0 or 1;R.sup.3 is alkyl or aryl of up to 8 carbon atoms or C.sub.6 H.sub.4 NHCOCH.sub.3 ; andAc is acyl of 1-8 carbon atoms;And physiologically acceptable salts thereof, are anti-inflammatory agents, which can be made from compounds of the formula Z--X, wherein Z is ##STR2## X can be converted to --Q--Y.Type: GrantFiled: August 19, 1977Date of Patent: April 24, 1979Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Joachim Gante, Hans-Adolf Kurmeier, Dieter Orth, Erich Schacht, Albrecht Wild
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Patent number: 4151294Abstract: Alkynols of the formula, ##STR1## wherein X is F, Cl or Br; n is 0 or 1; m is 0 or 1 and R (if m is 0) is hydroxyalkyl of 1-6 carbon atoms or (if m is 1) alkyl, straight-chain hydroxyalkyl or straight-chain tetrahydropyran-2-yloxyalkyl of 2-6 carbon atoms in the alkyl, have anti-inflammatory activity.Type: GrantFiled: June 9, 1977Date of Patent: April 24, 1979Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Hans-Adolf Kurmeier, Erich Schacht, Joachim Gante, Dieter Orth, Zdenek Simane, Albrecht Wild
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Patent number: 4149015Abstract: Benzopinacols represented by the formula: ##STR1## wherein R.sup.1 is hydrogen, alkyl or aryl;R.sup.2 and R.sup.6 independently are selected from the group consisting of hydrogen, halogen or trifluoromethyl;R.sup.3 and R.sup.5 independently, are selected from the group consisting of hydrogen, halogen and alkyl or, when taken together with R.sup.4, represent a tetramethylene group; andR.sup.4 is selected from the group consisting of hydrogen, halogen, alkyl, alkoxy and phenoxy;With the proviso that when both of the ortho positions of the phenyl groups to which R.sup.2 and R.sup.6 are attached are substituted, the substituent is fluorine. These 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.Type: GrantFiled: February 13, 1978Date of Patent: April 10, 1979Assignee: Eastman Kodak CompanyInventor: Jonas Dedinas
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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: 4136200Abstract: Phenylbutanol derivatives of the formula Z-C(CH.sub.3) (OH)-CH.sub.2 -Y wherein Z is 4-biphenyl or 4-phenoxyphenyl wherein the phenoxy group is unsubstituted or substituted by F, Cl or Br and Y is COOR.sup.2 or CH.sub.2 OR.sup.3 wherein R.sup.2 is H or alkyl of 1 to 6 carbon atoms and R.sup.3 is H or alkanoyl of 1 to 6 carbon atoms, and their physiologically acceptable salts, possess anti-inflammatory activity and are produced by (a) treating with a solvolyzing agent a compound of the formula Z-C(CH.sub.3) (OH)-CH.sub.2 -W or Z-CX(CH.sub.3)-CH.sub.Type: GrantFiled: June 28, 1977Date of Patent: January 23, 1979Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Erich Schacht, Werner Mehrhof, Albrecht Wild, Joachim Gante, Hans-Adolf Kurmeier
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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
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Patent number: 4132706Abstract: The trisubstituted (2,5-dihydroxyphenyl)phosphonium hydroxide inner salts and their hydrolyzed derivatives are novel latent catalysts for promoting reaction between vicinal epoxides and phenols and/or carboxylic acids (or anhydrides). Precatalyzed epoxy resins are easily prepared using such catalysts.Type: GrantFiled: April 5, 1976Date of Patent: January 2, 1979Assignee: The Dow Chemical CompanyInventors: George A. Doorakian, Lawrence G. Duquette
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Patent number: 4128573Abstract: 2-[4-(2-Fluorophenoxy)phenyl]propionic acid and salts, esters, the amide and the alcohol derived therefrom, useful as anti-inflammatory agents, and their preparation.Type: GrantFiled: September 22, 1976Date of Patent: December 5, 1978Assignee: Boots Pure Drug Company LimitedInventors: Stewart S. Adams, Bernard J. Armitage, John S. Nicholson, James G. Tantum