Substituted Patents (Class 560/264)
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Patent number: 4415701Abstract: Disclosed in this invention are copolymers containing about 0.5% to about 20%, by weight, of a C.sub.10 -C.sub.36 monoepoxide and about 99.5% to about 80%, by weight, of a 1,3 dioxolane. These copolymers are useful in increasing the viscosity of aqueous systems employed in various end uses, such as coatings and hydraulic fluids.Type: GrantFiled: October 12, 1982Date of Patent: November 15, 1983Assignee: Celanese CorporationInventor: Barry J. Bauer
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Patent number: 4407825Abstract: Compounds of formulaR.sub.1 O--(CH.sub.2).sub.m --S--S--(CH.sub.2).sub.p --S].sub.x S--(CH.sub.2).sub.n --OR.sub.2wherein R.sub.1 and R.sub.2 are, independently, hydrogen, C.sub.1-5 alkyl or a physiologically-hydrolyzable and -acceptable acid residue; m and n are, independently, 2 or 3; p is an integer of fron 2 to 6; and x is 1, 2 or 3; whereby when x is 2 or 3, each p may be the same or different, having immunostimulant activity.Type: GrantFiled: January 29, 1982Date of Patent: October 4, 1983Assignee: Sandoz Ltd.Inventors: Peter Hiestand, Michael Strasser
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Patent number: 4395430Abstract: A novel class of alpha-keto geminal diacyloxy compounds is disclosed. These compounds are useful as vicinal diketone generators in foodstuffs. Use for this purpose is also disclosed.Type: GrantFiled: June 24, 1981Date of Patent: July 26, 1983Assignee: Hercules IncorporatedInventors: Brian Byrne, Robert S. DeSimone
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Patent number: 4360694Abstract: The object of the present invention is a novel and simple process for the production of 1,2-diacyl-sn-glycerols, wherein the acyl groups may be the same or different. According to the invention D-mannitol is reacted with benzene boronic acid or a derivative thereof to form a D-mannitol-monobenzeneboronate which compound is acylated either to form, after removal of the benzeneboronate protective group, a 1,2,5,6-tetraacyl-D-mannitol with four identical acyl groups, or is acylated selectively in two stages, by first acylating the 1,6-hydroxy groups of the boronate protected D-mannitol to form, after removal of the boronate protection, a 1,6-diacyl-D-mannitol, which then is repeatedly reacted with a benzene boronic acid or a derivative thereof and then acylated in the 2- and 5-positions.Type: GrantFiled: April 6, 1981Date of Patent: November 23, 1982Assignee: KSV-Chemicals OyInventors: Paavo K. J. Kinnunen, Tom M. Schroder, Jorma A. Virtanen
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Patent number: 4336382Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR2## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy, and ##STR3## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR4## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy and racemates thereof.There are also disclosed processes and intermediates utilized to produce the end products.The end products have utility as agents exhibiting both .alpha. and selective .beta. adrenergic blocking action.Type: GrantFiled: August 25, 1980Date of Patent: June 22, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Kenneth E. Fahrenholtz, Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
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Patent number: 4332738Abstract: The esterification of neo acids catalyzed by the presence of a macro-reticular structured sulfonic acid cation exchange resin proceeds under mild conditions with a wide variety of alcohols to give readily recoverable esters in high yields and high purity and an easily recoverable and reusable catalyst.Type: GrantFiled: November 24, 1980Date of Patent: June 1, 1982Assignee: Exxon Research & Engineering Co.Inventors: Francisco M. Benitez, Michael F. English
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Patent number: 4330677Abstract: The invention relates to polyethers having an an average molecule weight of 3000 to 5000 and having a propylene oxide proportion of 60 to 80% and an ethylene oxide proportion of 20 to 40%. Also included in the invention are compositions containing said polyethers and methods for the use of said polyethers and compositions, particularly for their anti-lipidaemic effect.Type: GrantFiled: October 31, 1979Date of Patent: May 18, 1982Assignee: Bayer AktiengesellschaftInventors: Siegfried Linke, Mithat Mardin, Hans P. Krause, Rudiger Sitt
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Patent number: 4316991Abstract: The modification of polyether polyols by their reaction with epoxy resin and alkylene oxides is described. The modified polyols of 2000 to 7000 molecular weight produce flexible polyurethane foams that have higher load bearing properties than foams made with nonmodified polyols. The ability of a modified polyol to make a higher load bearing foam is related to the position in the polyol chain the epoxy resin is added.Type: GrantFiled: September 2, 1980Date of Patent: February 23, 1982Assignee: Texaco Inc.Inventors: George P. Speranza, Michael Cuscurida, Robert L. Zimmerman
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Patent number: 4310465Abstract: A synthesis of Vitamin E has the condensation of 2,4-pentanediene and 1,2-epoxy-2,6,10,14-tetramethylpentadecane including intermediates in this synthesis which uses base catalyzed condensations of aliphatic compounds to construct the Vitamin E molecule from aliphatic precursors.Type: GrantFiled: December 17, 1979Date of Patent: January 12, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Gary L. Olson, Gabriel Saucy
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Patent number: 4298758Abstract: Propylene glycol and dipropylene glycol diesters are prepared by reacting dichloropropyl ethers with a carboxylic acid salt, e.g., sodium acetate, and the corresponding carboxlyic acid, e.g., acetic acid. The by-product sodium chloride is insoluble in the acetic acid and easily separated from the reaction mixture. The diesters can be hydrolyzed to their respective glycols.Type: GrantFiled: February 11, 1980Date of Patent: November 3, 1981Assignee: The Dow Chemical CompanyInventors: Frank T. Cook, Donald G. Prier
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Patent number: 4266080Abstract: Perfluoroalkyl compounds containing ether groups have the formulaR.sub.f R.sub.1 SCH.sub.2 CH.sub.2 O T Zwherein R.sub.f is a perfluoroalkyl, R.sub.1 is alkylene or alkyleneoxy or aminoalkylene, T is alkylene, and Z is hydrogen; hydroxy; NR.sub.3 R.sub.4, where R.sub.3 and R.sub.4 each is alkyl or together with nitrogen form a heterocyclic ring; N.sup.+ R.sub.3 R.sub.4 (R.sub.5)X.sub.z.sup.-y, where R.sub.5 is hydrogen, oxide, alkyl, or substituted alkyl, X is an anion, and y is 1 or 2; z is 0 or 1 or is --OCH.sub.2 CH.sub.2 SR.sub.1 R.sub.f ; can be prepared directly by free-radical catalyzed addition of a perfluoroalkylthiol to a vinyl ether or subsequent reaction. These compounds are useful as surfactants and oil spill collecting agents.Type: GrantFiled: February 2, 1978Date of Patent: May 5, 1981Assignee: Ciba-Geigy CorporationInventors: Robert A. Falk, Karl F. Mueller
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Patent number: 4247710Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR2## R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy, and ##STR3## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR4## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy and racemates thereof.There are also disclosed processes and intermediate utilized to produce the end products.The end products have utility as agents exhibiting both .alpha. and selective .beta. adrenergic blocking action.Type: GrantFiled: September 6, 1979Date of Patent: January 27, 1981Assignee: Hoffmann-La Roche Inc.Inventors: Kenneth E. Fahrenholtz, Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
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Patent number: 4238397Abstract: Hydroxyl-terminated liquid polymers having an aliphatic polymeric backbone and sulfide linkages near the terminal portions of the polymer molecule are prepared by polymerizing (1) at least one vinylidene monomer having at least one terminal CH.sub.2 .dbd.C< group per monomer molecule, together with (2) a mixture of at least one hydroxyl-containing disulfide and at least one hydroxyl-containing trisulfide. Use of the above disulfide-trisulfide mixture permits viscosity control during polymerization with substantially less disulfide required than if the disulfide alone were used, and the resulting polymers have less odor and discolor less upon heating than if the disulfide alone were used.Type: GrantFiled: May 18, 1979Date of Patent: December 9, 1980Assignee: The B. F. Goodrich CompanyInventor: Jack C. Gilles
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Patent number: 4223160Abstract: Niobium and ruthenium salts are employed as catalyst in the reaction of oxirane compounds with carboxylic acids. The acrylate esters produced can be used in photocurable compositions.Type: GrantFiled: March 26, 1979Date of Patent: September 16, 1980Assignee: Union Carbide CorporationInventor: Lawrence G. Hess
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Patent number: 4207238Abstract: Hydroxyl-terminated liquid polymers having an aliphatic polymeric backbone and sulfide linkages near the terminal portions of the polymer molecule are prepared by polymerizing (1) at least one vinylidene monomer having at least one terminal CH.sub.2 .dbd.C< group per monomer molecule, together with (2) a mixture of at least one hydroxyl-containing disulfide and at least one hydroxyl-containing trisulfide. Use of the above disulfide-trisulfide mixture permits viscosity control during polymerization with substantially less disulfide required than if the disulfide alone were used, and the resulting polymers have less odor and discolor less upon heating than if the disulfide alone were used.Type: GrantFiled: September 1, 1977Date of Patent: June 10, 1980Assignee: The B. F. Goodrich CompanyInventor: Jack C. Gilles
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Patent number: 4201726Abstract: A synthesis of Vitamin E has the condensation of 2,4-pentanediene and 1,2-epoxy-2,6,10,14-tetramethylpentadecane including intermediates in this synthesis which uses base catalyzed condensations of aliphatic compounds to construct the Vitamin E molecule from aliphatic precursors.Type: GrantFiled: September 11, 1978Date of Patent: May 6, 1980Assignee: Hoffmann-La Roche Inc.Inventors: Gary L. Olson, Gabriel Saucy
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Patent number: 4172831Abstract: Thieno[1,5]benzodiazepines having useful CNS activity containing the novel tricyclic ring system: ##STR1## the 10-position being substituted by an amino, preferably a piperazino, group.Type: GrantFiled: April 13, 1977Date of Patent: October 30, 1979Assignee: Lilly Industries LimitedInventors: Jiban K. Chakrabarti, David E. Tupper
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Patent number: 4150237Abstract: Compounds of the structure R(SCH.sub.2 CHOHCH.sub.2 X).sub.n when n=1 to 4 and R is a hydrocarbon, ether, ester, acetal, hydroxy aliphatic, hydroxy aromatic, imide or amide group or halogenated derivatives thereof are prepared by reacting 1-halo-3-mercapto-2-propanol with an aliphatically unsaturated compound using free radical initiators as catalysts. The compounds in which R is an unsaturated or polyunsaturated aliphatic hydrocarbon group of 2 to 24 carbon atoms, or an unsaturated or polyunsaturated cycloaliphatic group, and those in which the aliphatic or cycloaliphatic group is connected through two or more of the polyunsaturated to two or more --S--CH.sub.2 CHOHCHCl groups, and compounds where R is an alkylene or polyalkylene substituted aromatic group and the hydroxy, thioalkyl, alkoxy, aryloxy, ester, carbamidoalkyl and sulfamidoalkyl, halogenated derivatives of said groups are new compounds. The thioether halohydrins can be converted to epoxides.Type: GrantFiled: January 16, 1976Date of Patent: April 17, 1979Assignee: The Dow Chemical CompanyInventors: Richard A. Hickner, Corwin J. Bredeweg
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Patent number: 4145305Abstract: Phosphorus-containing activators for percompounds, the activators being tris(acetoxymethyl) phosphine oxide and its precursors including tris(acetoxymethyl) phosphine and tetrakis(acetoxymethyl) phosphonium compounds, together with the use of such activators with percompounds for oxidizing or bleaching such as in bleaching fibers, oils, fats, and waxes, cosmetological treatment of hair and skin, metallic surface passivation, and purification, disinfection and sterilization techniques, the use of such activators providing more rapid action at a given temperature or equal activity at a lower temperature.Type: GrantFiled: June 1, 1977Date of Patent: March 20, 1979Assignee: Produits Chimiques Ugine KuhlmannInventors: Michel Demarcq, Michel Bakes, Marie-Christine Daude-Lagrave
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Patent number: 4125599Abstract: 5-Gluconamido-2,4,6-triiodo-N-methylisophthalamic acid, 3-acetamido-2,4,6-triiodo-5-trishydroxymethylacetamidobenzoic acid, related compounds and salts and esters thereof are useful as x-ray contrast agents. The corresponding acyl halides are useful as intermediates.Type: GrantFiled: August 19, 1976Date of Patent: November 14, 1978Assignee: Mallinckrodt, Inc.Inventor: Philip E. Wiegert
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Patent number: 4124619Abstract: Preparation of carboxylic acid esters of .gamma.-hydroxy-tiglic-aldehyde from bismonocarboxylic acid esters of but-2-en-1,4-diol via 1,4-diacetoxy-2-formyl butane including intermediates in this synthesis.Type: GrantFiled: March 23, 1977Date of Patent: November 7, 1978Assignee: Hoffmann-La Roche Inc.Inventors: Peter Fitton, Harold Moffet
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Patent number: 4123552Abstract: Fungus and mold growth in crops and organic matter are inhibited by the use of bis-carboxylic acid esters and compositions thereof. In a preferred embodiment, crops and animal feedstuffs are preserved during storage by applying a microbiocidal amount of a mono-, di or trioxymethylene, or lower alkylidene bis-alkanoate, or a mixture thereof.Type: GrantFiled: October 17, 1975Date of Patent: October 31, 1978Assignee: Chevron Research CompanyInventors: Daniel L. Kensler, Jr., Gustave K. Kohn, David D. Walgenbach
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Patent number: 4067910Abstract: Certain allylmercaptans, some of which are novel, can be used to make novel flavorant and fragrance compositions. A novel method for making the allylmercaptans is disclosed.Type: GrantFiled: November 3, 1976Date of Patent: January 10, 1978Assignee: Givaudan CorporationInventors: Georg Frater, Trudi Sigg-Grutter, Jost Wild