Silicon And The Carbon Of The -coo- Group Are Bonded Directly To The Same Hydrocarbon Group Patents (Class 556/438)
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Patent number: 4824950Abstract: This invention relates to chiral compositions.Type: GrantFiled: September 3, 1987Date of Patent: April 25, 1989Assignee: Sandoz Pharm. Corp.Inventor: Sandor Barcza
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Patent number: 4822901Abstract: Novel substituted organosilicon carboxylates characterized by the following formula: ##STR1## wherein M is a monovalent cation: Z represents a moiety hydrolyzable to silanol; R.sup.Type: GrantFiled: November 30, 1987Date of Patent: April 18, 1989Assignee: Union Carbide CorporationInventors: Paul H. Mohr, Enrico J. Pepe
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Patent number: 4774341Abstract: There are disclosed a bicyclo [3.3.0]octane derivative represented by the formula: ##STR1## wherein R.sup.1 is a substituent selected from the group consisting of a hydrogen atom and a protective group of a hydroxy group;R.sup.2 is a substituent selected from the group consisting of --CH.sub.2 OR.sup.5 and ##STR2## where R.sup.5 is a substituent selected from the group consisting of a hydrogen atom and a protective group of a hydroxy group,R.sup.6 is a substituent selected from the group consisting of an alkyl group, an alkenyl group and an alkynyl group, said substituent being straight, branched or cyclic and having 5 to 10 carbon atoms,X is a substituent selected from the group consisting of a vinylene group and an acetylene group, andR.sup.7 is a substituent selected from the group consisting of an alkyl group, an alkenyl group, and an alkynyl group said substituent being straight, branched or cyclic and having 5 to 10 carbon atoms; andR.sup.3 is a substituent represented by the formula --Y--(CH.sub.2).Type: GrantFiled: September 29, 1986Date of Patent: September 27, 1988Assignee: Sagami Chemical Research CenterInventors: Masakatsu Shibasaki, Mikiko Sodeoka, Yuji Ogawa
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Patent number: 4737590Abstract: This disclosure describes novel 4-oxy-2-substituted-cyclopent-2-en-1-ones useful as intermediates for the preparation of homo and nor prostaglandins of the E.sub.2, E.sub.3 and F series.Type: GrantFiled: May 29, 1981Date of Patent: April 12, 1988Assignee: American Cyanamid CompanyInventor: Middleton B. Floyd, Jr.
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Patent number: 4705765Abstract: A colloidal hydrosilylation catalyst is provided by effecting reaction between a silicon hydride or a siloxane hydride and a Pt(O) or Pt(II) catalyst. The colloidal catalyst forms stable mixtures with olefinically unsaturated organopolysiloxanes.Type: GrantFiled: March 2, 1987Date of Patent: November 10, 1987Assignee: General Electric CompanyInventor: Larry N. Lewis
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Patent number: 4701277Abstract: A silicone/silicate-containing antifreeze characterized by dilute aqueous stability includes substituted organosilicon carboxylates characterized by the following formula: ##STR1## wherein M is a monovalent cation such as, for example, sodium; Z represents a moiety hydrolyzable to silanol; R.sup.1 represents hydrogen, a monovalent hydrocarbon radical such as methyl, ethyl, phenyl, and the like or a substituted monovalent hydrocarbon radical; a has a value from 0 to 20, b has a value of 1 or 2, c has a value of 0 or 1, n has a value of 2, 3, or 4, and m has a value of from 3 to 15 when a is other than 0 and from about 7 to about 15 when a is 0.Type: GrantFiled: April 24, 1986Date of Patent: October 20, 1987Assignee: First Brands CorporationInventors: Paul H. Mohr, Enrico J. Pepe
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Patent number: 4689181Abstract: The invention relates to new organosilanes represented by the following general formula: ##STR1## wherein R denotes a methyl, ethyl, propyl, or phenyl radical; R' denotes a monovalent hydrocarbon group having from 7 to 21 carbon atoms; R" denotes hydrogen or a methyl radical; R"' is selected from the class consisting of monovalent hydrocarbon groups having from 8 to 22 carbon atoms and acyl groups having from 8 to 22 carbon atoms; p has the value of 0, 1 or 2; m has the value of 1, 2, or 3; m+p has the value of 2 or 3; y has an average value from 1 to 20; n is a positive integer from 1 to 7; and q is a positive integer from 1 to 5. The use of the organosilanes as lubricants for magnetic recording media is described.Type: GrantFiled: December 27, 1985Date of Patent: August 25, 1987Assignee: Dow Corning CorporationInventor: Pamela E. Blatch
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Patent number: 4642364Abstract: Unsaturated eicosanoic acids and derivatives thereof which inhibit the synthesis of SRS-A are useful for treating and preventing asthma and allergic responses caused by SRS-A as well as useful in inhibiting inflammation.Type: GrantFiled: March 17, 1986Date of Patent: February 10, 1987Assignee: Hoffmann-La Roche Inc.Inventors: Ka-Kong Chan, George W. Holland, Perry Rosen
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Patent number: 4640909Abstract: The reaction product of silica gel or controlled pore glass and carboalkoxyalkyl silanes are suitable for use as packing in solid phase extraction columns for cleanup of urine samples for analysis of cannabinoids.Type: GrantFiled: May 7, 1985Date of Patent: February 3, 1987Assignee: J. T. Baker Chemical CompanyInventors: Hugh E. Ramsden, Joseph M. Patterson
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Patent number: 4605567Abstract: Organopolysiloxanes having the formulasA.sub.x R.sub.3-x SiO(SiR.sub.2-x A.sub.x O).sub.n SiR.sub.3-x A.sub.xor(SiR.sub.2-x A.sub.x O).sub.y,where R is a monovalent hydrocarbon radical or a halogenated monovalent hydrocarbon radical or a monovalent aliphatic radical consisting of carbon, hydrogen, ether oxygen and fluorine atoms; A is a SiC-bonded organic radical containing a carboxyl group and a carbonyl group to which is bonded an organic radical having at least one terminal carbon-carbon double bond; n is an integer having a value of at least 1; x is 0 or 1; and y is an integer having a value of from 3 to 10, in which the organopolysiloxanes contain at least one radical represented by A per molecule.Type: GrantFiled: September 30, 1985Date of Patent: August 12, 1986Assignee: Wacker-Chemie GmbHInventors: Johann Muller, Christa Trieschmann, Gerhard Preiner
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Patent number: 4604478Abstract: Carboxyalkyl-substituted organopolysiloxanes are prepared by hydrolysis of a silalactone composition having the formula ##STR1## where n has an average value greater than zero, R and Q are hydrocarbon and X is Cl or Br. Silicon-containing compounds having the formula R.sub.a Z.sub.b SiO.sub.(4-a-b)/2, where Z is a hydrolyzable radical, can be cohydrolyzed therewith. The silalactone composition is prepared by gently heating a mixture of an ester having the formula X.sub.2 R SiQCO.sub.2 R' and a catalyst, such as N,N-dimethylbenzylamine.Type: GrantFiled: May 17, 1985Date of Patent: August 5, 1986Assignee: Dow Corning CorporationInventor: Donnie R. Juen
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Patent number: 4604477Abstract: A method is provided for making silylaroylhalides such as chlorodimethylsilylbenzoyl chloride. Reaction is effected between substantially equivalent amounts of a polyhaloacyl aromatic compound, for example, terephthaloyl chloride and a polyhalopolysilane such as dichlorodisilane in the presence of a palladium catalyst.Type: GrantFiled: March 29, 1985Date of Patent: August 5, 1986Assignee: General Electric CompanyInventor: Jonathan D. Rich
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Patent number: 4502968Abstract: A lubricating agent for processing thermoplastic synthetic fibers contains at least one new type of silyl polyether obtainable by a reaction between polyether of a special type derivable by ring-opening addition polymerization of cyclic ether monomers and halogenated substituted silane. If such lubricating agent is used appropriately during the processing of thermoplastic synthetic fibers, both the coefficient of fiber friction and the rate of generating tar can be reduced.Type: GrantFiled: December 22, 1983Date of Patent: March 5, 1985Assignee: Takemoto Yushi Kabushiki KaishaInventors: Ippei Noda, Osamu Ogiso
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Patent number: 4501911Abstract: Organosilicon-modified polydienes having the formula: ##STR1## in which Z represents a chain terminating group,R.sup.1 is a hydrogen or methyl radical,R.sup.2, R.sup.3, and R.sup.4 are lower alkyl radicals with 1 to 4 carbon atoms, which can be the same or different within the polymeric molecule,R.sup.5 is a methyl radical or the O--(R.sup.8 O--).sub.s --R.sup.4 group;R.sup.6, R.sup.7, R.sup.8 are alkylene radicals with 2 to 4 carbon atoms,C:O ratio ofR.sup.6 O is 2.25 to 3:1,R.sup.7 O is 2 to 2.75:1,R.sup.8 O is 2 to 3:1however, the difference between the C:O ratio of R.sup.6 O and R.sup.7 O must be at least 0.25, and the C:O ratio of R.sup.8 O must be less than that of R.sup.7 O or greater than that of R.sup.6 O,a is 0 to 2,0<b<3, whereby 0<a+b<3,p, q, s.gtoreq.2,x, y.gtoreq.0, andz.gtoreq.3.The invention furthermore relates to a process for the synthesis of these compounds as well as to their use as emulsion breakers for crude oil/water emulsions.Type: GrantFiled: July 19, 1983Date of Patent: February 26, 1985Assignee: Th. Goldschmidt AGInventors: Gotz Koerner, Christian Weitemeyer
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Patent number: 4467081Abstract: Disclosed is a resin comprising a reaction product prepared by partially reacting to homogeneity a hydrophobic polyol and an organosilicon-containing material comprising an organosilicon-containing substance. The organosilicon-containing substance has atoms bonded directly to silicon, all of which atoms are selected from oxygen, nitrogen, and/or chlorine, and additionally has moieties directly bonded to silicon which are easily displaceable by reaction with water and/or alcohol. At least a part of the organosilicon-containing substance is hydrolyzed. The reaction product is homogeneous and contains residual hydroxyl moieties from the hydrophobic polyol and residual moieties bonded directly to silicon which are easily displaceable. the reaction product is capable of self-curing, optionally with a catalyst, by reaction with moisture and/or with the residual hydroxyl moieties, of the residual moieties directly bonded to silicon which are easily displaceable.Type: GrantFiled: January 31, 1983Date of Patent: August 21, 1984Assignee: PPG Industries, Inc.Inventors: Wen-Hsuan Chang, David T. McKeough, John R. Peffer
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Patent number: 4448980Abstract: In an improved catalytic process for preparing trialkylsilyl ethers from trialkylsilyl compounds and carbonyl group-containing compounds, the improvement consisting of using an organic or inorganic bifluoride (HF.sub.2.sup..crclbar.) as the catalyst.Type: GrantFiled: September 22, 1983Date of Patent: May 15, 1984Assignee: E. I. Du Pont de Nemours and CompanyInventor: Dotsevi Y. Sogah
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Patent number: 4400393Abstract: A novel bicyclooctane derivative represented by the formula: ##STR1## wherein R.sub.1 is hydrogen or C.sub.1-4 alkyl, X is ethylene or vinylene, and Y.sub.1 and Y.sub.2 are independently hydrogen or a hydroxyl-protecting group, or a pharmaceutically acceptable salt of said compound in which R.sub.1 is hydrogen. Said compound and pharmaceutically acceptable salt are chemically stable, have platelet anti-aggregation activity without undesirable pharmacological actions and exhibit the duration of high biological activity.Type: GrantFiled: March 24, 1981Date of Patent: August 23, 1983Assignee: Sumitomo Chemical Company, LimitedInventors: Shunsuke Sami, Akihiko Sugie, Keiichi Ono, Hajime Kawakami, Atsuyuki Kojima, Junki Katsube
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Patent number: 4384100Abstract: The invention provides a novel diorganopolysiloxane compound composed of dimethysiloxane units, methyl (2-perfluoroalkylethyl)siloxane units and methyl acyloxyalkylsiloxane units. The novel diorganopolysiloxane compounds of the invention have excellent lubricating properties so that they are useful as an additive ingredient in various materials such as coating compositions, magnetic layer of recording tapes and the like where lubricity or mold releasability is essential.Type: GrantFiled: May 27, 1981Date of Patent: May 17, 1983Assignees: Shin-Etsu Chemical Co., Ltd., Sony CorporationInventors: Minoru Takamizawa, Shigeo Kimura, Masashi Somezawa, Kunio Kobayashi, Yoshio Inoue, Hiroshi Yoshioka
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Patent number: 4375548Abstract: Silylated trichloromethyl carbinol compounds are prepared by contacting aldehydes and ketones with silylated trichloroacetates at elevated temperatures in the presence of an initiator.Type: GrantFiled: December 17, 1981Date of Patent: March 1, 1983Assignee: The Dow Chemical CompanyInventors: Pen-Chung Wang, James M. Renga
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Patent number: 4374742Abstract: Novel organic phenol-containing silicon compounds of the formula ##STR1## are disclosed. These compounds are suitable for use as lubricant additives.Type: GrantFiled: May 29, 1981Date of Patent: February 22, 1983Assignee: Ciba-Geigy CorporationInventors: Samuel Evans, Michael Rasberger, Eberhard Gegner
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Patent number: 4363925Abstract: Aromatic silanes are prepared by reacting an aromatic halogen compound with a disilane in the presence of a palladium complex and a phosphite or phosphine.The aromatic silanes obtainable by the process of the invention are valuable intermediates for the preparation of drugs, dyes and pesticides.Type: GrantFiled: January 15, 1982Date of Patent: December 14, 1982Assignee: BASF AktiengesellschaftInventors: Rolf-Dieter Acker, Gerhard Hamprecht, Franz-Josef Mueller
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Patent number: 4331797Abstract: Silylated polyethers having the general formula ##STR1## wherein at least one R is selected from the group consisting of ##STR2## in which R is linked to the polyether through an ester radical, the remaining R groups are selected from hydrocarbonoxy radicals having up to 18 carbon atoms, hydroxyl radicals or a radical of the formula ##STR3## R.sup.1 is a divalent hydrocarbon radical selected from the group consisting of --(CH.sub.2).sub.y, --CH.dbd.CH--, or a cyclic hydrocarbon radical selected from the group consisting of C.sub.6 H.sub.4, C.sub.6 H.sub.8, C.sub.6 H.sub.10 and C.sub.10 H.sub.6 ; A is a silicon containing radical selected from the group having the formulas ##STR4## wherein R.sup.2 which may be the same or different is a monovalent hydrocarbon radical having from 1 to 18 carbon atoms, R.sup.Type: GrantFiled: July 18, 1980Date of Patent: May 25, 1982Assignee: SWS Silicones CorporationInventor: Eugene R. Martin
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Patent number: 4310640Abstract: A composition comprising (a) an organic compound having at least one hydrolyzable silyl group and (b) an organic amine and/or an alkali metal hydroxide. The composition is curable upon exposure to moisture, and has superior properties, such as hardness, toughness and stain resistance, when used for example as a coating. The composition can be utilized as a coating material.Type: GrantFiled: May 16, 1980Date of Patent: January 12, 1982Assignee: Kanegafuchi Kogaku Kogyo Kabushiki KaishaInventors: Yasushi Kato, Hisao Furukawa, Shoichi Matsumura, Saori Nakatsuka
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Patent number: 4239899Abstract: 15-Deoxy-16-hydroxy-16-ethynyl and 16-ethynylsubstituted prostanoic acids and congeners thereof, useful as bronchodilators, hypotensive agents, and as agents for the control of excessive gastric secretion.Type: GrantFiled: September 13, 1979Date of Patent: December 16, 1980Assignee: American Cyanamid CompanyInventors: Middleton B. Floyd, Jr., Martin J. Weiss, Charles V. Grudzinskas, Sow-Mei L. Chen
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Patent number: 4239900Abstract: 15-Deoxy-16-hydroxy-16-ethynyl and 16-ethynylsubstituted prostanoic acids and congeners thereof, useful as bronchodilators, hypotensive agents, and as agents for the control of excessive gastric secretion.Type: GrantFiled: September 13, 1979Date of Patent: December 16, 1980Assignee: American Cyanamid CompanyInventors: Middleton B. Floyd, Jr., Martin J. Weiss, Charles V. Grudzinskas, Sow-Mei L. Chen