Thiol Or Plural Thioethers Containing Patents (Class 568/57)
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Patent number: 4606864Abstract: A monomer having the formula: ##STR1## wherein: R.sup.1 is H or methyl;R.sup.2, R.sup.3 and R.sup.4 are independently alkyl, aryl, or aralkyl; andR.sup.5 and R.sup.6 are independently H, halo, alkyl, aryl, aralkyl, thioalkyl, thioaryl, or thioaralkyl,is useful in preparing a polymer having a high refractive index. The polymer is useful in forming optical components, such as lenses.Type: GrantFiled: February 1, 1985Date of Patent: August 19, 1986Assignee: Eastman Kodak CompanyInventor: David P. Warren
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Patent number: 4599237Abstract: Described are methylthioionene derivatives defined according to the structure: ##STR1## wherein n is 0 or 1; wherein the dashed lines each represent a carbon-carbon single bond or a carbon-carbon double bond with the proviso that when the dashed line at the 3'-4' position is a double bond, n represents 0 and uses thereof in augmenting or enhancing the aroma or taste of foodstuffs.Type: GrantFiled: August 23, 1985Date of Patent: July 8, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Alan O. Pittet, Ranya Muralidhara, Manfred H. Vock, Kevin P. Miller, Domenick Luccarelli, Jr.
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Patent number: 4585663Abstract: Described are gem dithioethers of phenylalkanes defined according to the structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each the same or different and each represents hydrogen or C.sub.1 -C.sub.3 lower alkyl; X represents 1,1-ethylidene, 1,1-propylidene or 2,2-propylidene and N represents 0 or 1 with the provisos(i) when N is 0, R.sub.5 is C.sub.1 -C.sub.3 lower alkyl; and(ii) when N=1, R.sub.5 is hydrogenand uses thereof in augmenting or enhancing the aroma or taste of foodstuffs.Type: GrantFiled: June 21, 1985Date of Patent: April 29, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Alan O. Pittet, Ranya Muralidhara, Domenick Luccarelli, Jr., Kevin P. Miller, Manfred H. Vock
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Patent number: 4578210Abstract: Six-membered ring compounds of the formula I ##STR1## wherein A is a benzene or cyclohexane ring,X.sup.1 to X.sup.6 independently of one another in each case are H, --OR, --COOR, --SR, --SOR, --SO.sub.2 R or, if A is a cyclohexane ring, also --O--COR, andR is in each case an alkyl group which has up to 15 C atoms and in which one or two CH.sub.2 groups can be replaced by O atoms, at least three of the substituents X.sup.1 to X.sup.6 being other than H,can be used as constituents of discotic liquid-crystal phases for liquid-crystal display elements.Type: GrantFiled: September 13, 1984Date of Patent: March 25, 1986Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Klaus Praefcke, Bernd Kohne, Wadi Poules, Rudolf Eidenschink, Bernhard Scheuble
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Patent number: 4571344Abstract: Described are dithioethers of 2-phenyl-2-alkenals defined according to the generic structure: ##STR1## wherein N represents 0 or 1 and R.sub.4 and R.sub.5 each represents hydrogen or methyl taken alone or taken further together with dithioethers of 2-phenyl-2-alkenals defined according to the structure: ##STR2## wherein N and R.sub.4 and R.sub.5 are defined, supra and uses thereof in augmenting or enhancing the aroma or taste of foodstuffs, chewing gums, toothpastes and medicinal products.Type: GrantFiled: April 23, 1985Date of Patent: February 18, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Alan O. Pittet, Ranya Muralidhara, Kevin P. Miller, Domenick Luccarelli, Jr.
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Patent number: 4570005Abstract: 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,are produced by reacting a compound represented by the following formula (V): ##STR4## with a compound represented by the following formula (VI):B--CH.sub.2 --D (VI)wherein Ar, R and B are defined above, A is a halogen atom and D is Y--H in which Y is as defined above,in the presence of a base in dimethylsulfoxide or sulfolane.Type: GrantFiled: July 14, 1983Date of Patent: February 11, 1986Assignee: Mitsuitoatsu Chemicals Inc.Inventors: Kiyoshi Nakatani, Satoshi Numata, Tsuneo Inoue, Kenji Kodaka, Tsutomu Ishii, Teruhiko Toyama, Hajime Tachibana, Takatoshi Udagawa, Masatoshi Gohbara
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Flavoring with dialkylthioalkenes, dialkylthioalkylcycloalkenes and monoalkylthioalkenylcycloalkenes
Patent number: 4565707Abstract: Described are dialkylthioalkenes, dialkylthioalkylcycloalkenes and monoalkylthioalkenylcycloalkenes defined according to the generic structure: ##STR1## as well as the genus defined according to the structure: ##STR2## wherein R represents C.sub.6 -C.sub.11 alkenyl or cycloalkenylalkyl; and wherein R.sub.2 represents C.sub.1 -C.sub.3 alkyl and R.sub.3 is C.sub.1 -C.sub.3 alkyl and organoleptic uses thereof in augmenting or enhancing the aroma or taste of foodstuffs, chewing gums, toothpastes or medicinal products.Type: GrantFiled: May 8, 1985Date of Patent: January 21, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Alan O. Pittet, Ranya Muralidhara, Kevin P. Miller, Domenick Luccarelli, Jr., Manfred H. Vock -
Patent number: 4528384Abstract: Novel polymers having high activity as cationic surface-active agents are prepared by the addition polymerization of ethylenically unsaturated aromatic sulfonium salts, e.g., ##STR1## When such polymers are heated and/or dried, they are irreversibly converted to inert, nonionic residues without the elimination of odorous by-products.The novel sulfonium salt polymers having relatively low molecular weight and low charge density are particularly useful as surfactants or emulsifiers in the emulsion polymerization of ethylenically unsaturated monomers such as styrene, butadiene, alkyl acrylates and the like. The polymers having high molecular weight and high charge density are useful as thickeners and flocculants.Type: GrantFiled: June 30, 1980Date of Patent: July 9, 1985Assignee: The Dow Chemical CompanyInventors: Donald L. Schmidt, Thomas C. Klingler, Ritchie A. Wessling
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Patent number: 4504508Abstract: Described are phenyl mercaptals defined according to the generic structure: ##STR1## wherein p represents 0 or 1 and uses thereof in augmenting or enhancing the aroma or taste of foodstuffs.Type: GrantFiled: April 20, 1984Date of Patent: March 12, 1985Assignee: International Flavors & Fragrances Inc.Inventors: Alan O. Pittet, Thomas F. Courtney, Jr., Ranya Muralidhara
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Patent number: 4496720Abstract: A novel process for the preparation of thioethers comprising reacting a silylated thiol of the formulaR--S--SiR.sub.1 R.sub.2 R.sub.3 Iwherein R is an organic group and R.sub.1, R.sub.2 and R.sub.3 are individually selected from the group consisting of alkyl of 1 to 4 carbon atoms with an organic halide, sulfate or sulfonate in the presence of hexamethylphosphoric triamide as a solvent or co-solvent preferably under neutral conditions in aprotic solvents at a temperature between 0.degree. and 150.degree. C.Type: GrantFiled: March 7, 1983Date of Patent: January 29, 1985Assignee: Gist-Brocades N.V.Inventors: Cornelis A. Bruynes, Theodorus K. Jurriens
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Patent number: 4493852Abstract: A flavoring composition comprising an effective amount of a compound having the following structure: ##STR1## wherein R.sub.1 is an alkyl group of 1 to 7 carbon atoms; and R.sub.2 and R.sub.3 are chosen from the group consisting of hydrogen and an alkyl group of 1 to 3 carbon atoms. These compounds have been found to impart a fatty, meaty, chicken-like and pork-like quality, flavor and aroma when added in effect amounts to food products.Type: GrantFiled: April 20, 1984Date of Patent: January 15, 1985Assignee: General Foods CorporationInventors: Paul R. Zanno, Thomas H. Parliment, Robert J. Soukup, Richard P. McNaught
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Patent number: 4404408Abstract: Metal or metalloid salts, ansolvo-acids and proton-acids can be so complexed with 1,2,3-triols, glycerol ethers or glycerol thioethers containing at least 6 C atoms in the molecule that they are in the form of compositions which are soluble in organic solvents, especially non-polar, aprotic solvents, such as hydrocarbons. These stable compositions display an outstanding anti-static action and, because of their spectrum of properties, are especially suitable for imparting anti-static characteristics to polymers, lubricants, fuels and also solvents based on hydrocarbons.Type: GrantFiled: September 7, 1977Date of Patent: September 13, 1983Assignee: Ciba-Geigy CorporationInventors: Hermann O. Wirth, Hans-Helmut Friedrich
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Patent number: 4397864Abstract: 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: GrantFiled: April 14, 1981Date of Patent: August 9, 1983Assignee: Mitsuitoatsu Chemicals Inc.Inventors: Kiyoshi Nakatani, Satoshi Numata, Tsuneo Inoue, Kenji Kodaka, Tsutomu Ishii, Teruhiko Toyama, Hajime Tachibana, Takatoshi Udagawa, Masatoshi Gohbara
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Patent number: 4355185Abstract: 2-Mercaptoalkylsulphides and 2-mercaptoalkylethers are obtained by the hydrazinolysis of 3-thiaalkylisothiuronium salts and 3-oxaalkylisothiuronium salts.Type: GrantFiled: August 25, 1980Date of Patent: October 19, 1982Assignee: Agfa-Gevaert AktiengesellschaftInventors: Peter Bergthaller, Peter Wenzl
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Patent number: 4287125Abstract: 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: GrantFiled: June 20, 1980Date of Patent: September 1, 1981Assignee: Rhone-Poulenc IndustriesInventor: Gerard Soula
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Patent number: 4267375Abstract: Thioethers may be prepared by reacting a thiol, such as thiophenol, with an alcohol (having electron donor groups in the alpha or beta position to its hydroxyl group) such as phenyl-1-hydroxy-phenethylsulfide. Reaction is carried out in the presence of a Lewis Acid metal halide, typically zinc chloride.Type: GrantFiled: September 25, 1978Date of Patent: May 12, 1981Assignee: s.a. Texaco Belgium n.v.Inventors: Alfred G. Maasbol, Lothar G. Dulog
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Patent number: 4260503Abstract: Epithio compounds or mercaptans of the formula I ##STR1## wherein X is an oxygen or sulfur atom, --CH.sub.2 --, --CH(R.sub.1)--, --COO--, --NH-- or --NR.sub.1 --, each of Y and Z is hydrogen or together they are a direct bond, Q is hydrogen if Y and Z together are a direct bond, or is --OH, --SH, --OR.sub.1, --SR.sub.1, --OOCR.sub.1, --S--CH.sub.2).sub.n OH, --S--CH.sub.2).sub.n COOR.sub.1, --NHR.sub.1 or --N(R.sub.1).sub.2, n is an integer from 1 to 10, each of R and R.sub.1 independently is a cyclic or acyclic hydrocarbon radical of aliphatic or aromatic character containing 4 to 30 carbon atoms which can be interrupted by oxygen or sulfur, with the proviso that the groups R and R.sub.1 contain a total number of 8 to 30 carbon atoms. These compounds have excellent suitability for use as additives for lubricants, especially as extreme pressure and antiwear additives.Type: GrantFiled: November 26, 1979Date of Patent: April 7, 1981Assignee: Ciba-Geigy CorporationInventor: Peter Michaelis