Plural Carbons Bonded Directly To The Same Chalcogen Patents (Class 556/423)
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Patent number: 4774028Abstract: Non-crosslinked, branched liquid crystalline organosilicon compounds exhibit the general formula(R.sub.3 SiO.sub.1/2).sub.w (R.sub.2 SiO).sub.x (RSiO.sub.3/2).sub.y (SiO.sub.4/2).sub.zwhere at least one R represents a mesogenic (liquid crystal forming) group, the remaning R represent monovalent hydrocarbon or halohydrocarbon radicals, w represents an integer having a value of at least 1, x, y, and z individually represent an integer including zero, the sum of x and y is at least 1 and the sum of w, x, y, and z is from 4 to 50, inclusive.Type: GrantFiled: May 23, 1985Date of Patent: September 27, 1988Assignee: Toray Silicone Co., Ltd.Inventors: Takeshi Imai, Naoyuki Koide
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Patent number: 4772683Abstract: Disclosed herein is a novel process using novel silyl enol ether intermediates of the formula ##STR1## to generate novel azetidione thiolester intermediates of the formula ##STR2## which can be used to form 1-.beta.-alkyl carbapenem antibiotics. It has now been discovered that if the R.sup.4 group is selected from a small group of moieties having the formula: ##STR3## an increased .beta.-yield of up to approximately 100% can be obtained.Type: GrantFiled: February 24, 1986Date of Patent: September 20, 1988Assignee: Bristol-Myers CompanyInventors: Alain Martel, Jean-Paul Daris, Jacques Corbeil
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Patent number: 4772698Abstract: Process for producing molded polyurethane parts using as internal release agents, compounds of the general formula ##STR1## in amounts of 0.5 to 10 weight percent, based on the reaction formulation, in which at least one R.sup.2 radical in the average molecule represents ##STR2## R.sup.3 is a divalent hydrocarbon radical with 2 to 4 carbon atoms and R.sup.4, R.sup.5 are univalent hydrocarbon radicals or together are part of a morpholine or a piperazine ring. The molded polyurethane parts can be removed from the mold using significantly lower tensional forces without residues being built up on the mold.Type: GrantFiled: June 24, 1987Date of Patent: September 20, 1988Assignee: Th. Goldschmidt AGInventors: Helmut Lammerting, Hans-Joachim Kollmeier
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Patent number: 4744812Abstract: Substituted diphenyl ethers of the formula ##STR1## where Z.sub.1, Z.sub.2 and Z.sub.3 are hydrogen, halogen, nitro, cyano, carboxyl, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylmercapto, haloalkylmercapto, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or haloalkylsulfonyl, Z.sub.4 is hydrogen, cyano, alkyl, alkoxy, acetoxy or alkylmercapto, Y is hydrogen, halogen, cyano or nitro, X is oxygen, sulfur, sulfinyl or sulfonyl, and A is hydrogen, unsubstituted or substituted alkyl ##STR2## and can also be sulfonyl ##STR3## when X is oxygen, and, when Z.sub.4 is alkoxy or alkylmercapto, can also be a methylene chain --(CH.sub.2).sub.m -- by which the radicals Z.sub.4 --CH--X-- are bonded to form a ring, R.sub.1 is hydrogen, methyl, ethyl or n-propyl, R.sub.2 is cyano, methoxy, ethoxy or ##STR4## where B is OH, ONa, O--alkyl, unsubstituted or substituted phenoxy, --NH.sub.2, --NH--alkyl or --N(alkyl).sub.2, n is 1, 2 or 3, R.sub.3 and R.sub.Type: GrantFiled: March 4, 1985Date of Patent: May 17, 1988Assignee: BASF AktiengesellschaftInventors: Adolf Parg, Bruno Wuerzer, Gerhard Hamprecht
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Patent number: 4743694Abstract: The addition of organolithium to dimethylhydrazones of certain ethers of a-hydroxyaldehydes results in the synthesis of threo- or erythro- intermediates readily convertible to threo- or erythro-2-amino alcohols.Type: GrantFiled: April 11, 1986Date of Patent: May 10, 1988Assignee: Mercek & Co., Inc.Inventor: David A. Claremon
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Patent number: 4730904Abstract: Organosilicon compounds of the formula IR.sup.1 --A.sup.1 --A.sup.2 --O--C.sub.n H.sub.2n --SiX.sub.a Y.sub.b Z.sub.c Iwherein R.sup.1, A.sup.1, A.sup.2, X, Y, Z, n, a, b and c have the meaning given can be used for producing a homotropic orientation of liquid crystal phases on surfaces.Type: GrantFiled: June 13, 1986Date of Patent: March 15, 1988Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Detlef Pauluth, Klaus Bofinger, Michael Romer, Bernhard Scheuble, Georg Weber
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Patent number: 4727168Abstract: The invention provides an efficient method for improving the adhesive bonding strength of various types of rubbery sealant compositions, e.g. room temperature curable silicone rubber composition, to the substrate surface on which it has been cured. The method comprises coating the substrate surface with or admixing the sealant composition before application to the substrate surface with an adhesion promotor which is a reaction product of a reaction mixture comprising:(a) 1 mole of an organic amine compound having at least one active hydrogen atom in a molecule or an aminoalkyl alkoxysilane compound;(b) from 0.5 to 4 moles of an organic compound having at least one epoxy group in a molecule or an epoxyalkyl alkoxysilane; and(c) from 0.5 to 12 moles of an alkoxysilane represented by the general formula R.sup.1.sub.a Si(OR.sup.2).sub.4-a, in which R.sup.1 is a hydrogen atom or a monovalent hydrocarbon group having 1 to 4 carbon atoms, R.sup.Type: GrantFiled: September 11, 1985Date of Patent: February 23, 1988Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masachika Yoshino, Hiroshi Inomata, Masayuki Ikeno
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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: 4697026Abstract: Acryl functional silicone compounds are made by reacting an amine functional silicon compound with a di- or multi-functional acryl compound by a Michael-type addition reaction. These acryl functional silicone compounds are purer than others because no catalyst is used and no by-products are formed. These acryl functional silicone compounds can be used as adhesion promoters and as coating compositions which can be cured by ultraviolet radiation.Type: GrantFiled: January 6, 1986Date of Patent: September 29, 1987Assignee: Dow Corning CorporationInventors: Chi-long Lee, Michael A. Lutz
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Patent number: 4692536Abstract: The reaction of dimethylformamide, R.sup.1 R.sup.2 R.sup.3 SiX and RY in the presence of zinc or the reaction of dimethylformamide, R.sup.1 R.sup.2 R.sup.3 SiX and a zinc compound RZnY.yL affords hemiaminals of formula I ##STR1## R is e.g. polyhalogenated alkyl containing at least one fluorine atom; R.sup.1, R.sup.2 and R.sup.3 are e.g. alkyl; L is a ligand; X is chlorine or bromine; Y is chlorine, bromine or iodine and y is 1 or 2.Type: GrantFiled: October 14, 1986Date of Patent: September 8, 1987Assignee: Ciba-Geigy CorporationInventor: Robert W. Lang
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Patent number: 4689383Abstract: Hydroxyl-functional disiloxanes and hydroxyl-functional polysiloxane oligomers are provided which contain hydroxyl groups bound to the silicon via Si--C bonds. These compounds may be crosslinked to form polysiloxane networks having improved mechanical strength or reacted to form linear, siloxane containing block copolymers.Type: GrantFiled: March 18, 1986Date of Patent: August 25, 1987Assignee: Thoratec Laboratories Corp.Inventors: Judy S. Riffle, Iskender Yilgor
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Patent number: 4689419Abstract: This invention relates to the production of novel intermediate compounds which are useful in the process for producing 16-phenoxy- and 16-substituted phenoxy-9-keto-prostatrienoic acid derivatives, the antisecretory agents of U.S. Pat. No. 4,178,457.Type: GrantFiled: November 14, 1986Date of Patent: August 25, 1987Assignee: G. D. Searle & Co.Inventors: Paul W. Collins, Richard M. Weier
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Patent number: 4670423Abstract: Monosilylated aminophenylethylamine derivative of the formula ##STR1## in which X and Y each independently is hydrogen or halogen,R.sub.1 is the radical ##STR2## R.sub.2 is hydrogen or an aliphatic hydrocarbon radical having up to 10 C atoms,R.sub.3 is hydrogen, an aliphatic hydrocarbon radical which can optionally be substituted by halogen, a phenyl radical which can optionally be substituted by halogen, hydroxyl, alkyl, aryl, alkoxy, alkylthio, optionally substituted phenoxy, optionally substituted phenylthio, cyano or trifluoromethyl, or a heterocyclic radical, or, together with R.sub.2 is a nitrogen-containing saturated heterocyclic radical, andR.sub.4, R.sub.5 and R.sub.6 each independently is an alkyl radical,or physiologically tolerated salts thereof, promote the growth of animals.Type: GrantFiled: March 8, 1985Date of Patent: June 2, 1987Assignee: Bayer AktiengesellschaftInventors: Horst Boshagen, Jurgen Stoltefuss, Friedrich Berschauer, Anno de Jong, Martin Scheer
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Patent number: 4652662Abstract: A process for preparing organofunctional organopolysiloxanes which comprises reacting a cyclic diorganopolysiloxane with a silane having a SiC-bonded monovalent organic radical with at least one functional group and at least one SiOC-bonded monovalent hydrocarbon radical which can be substituted by an ether oxygen atom, or with an oligomer of such a silane having a maximum of 10 silicon atoms per molecule, in the presence of a quaternary ammonium hydroxide.Type: GrantFiled: May 14, 1985Date of Patent: March 24, 1987Assignee: Wacker-Chemie GmbHInventors: Gunther von Au, Karl Braunsperger, Karl Huhn, Ingomar Kovar
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Patent number: 4652598Abstract: Polyamic acids prepared from the condensation of dianhydrides (or trianhydrides) and diamines and preferably dissolved in a suitable solvent produce polyimide shaped articles (e.g. films) relatively free of voids, pinholes, cracks and bubbles when about 0.75 to about 5 mole percent of a polysiloxane is incorporated in the backbone of the polyamic acid.Type: GrantFiled: October 24, 1985Date of Patent: March 24, 1987Assignee: M&T Chemicals Inc.Inventor: Robert Edelman
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Patent number: 4645844Abstract: Novel and known functionally substituted phenoxyalkyl-, thiophenoxyalkyl- and pyridyloxyalkylsilanes are prepared by reacting substantially equimolar amounts of an alkali- or alkaline earth metal phenoxide, thiophenoxide or pyridyloxide with a haloalkylsilane under anhydrous conditions using a dipolar, aprotic solvent in combination with a liquid hydrocarbon.Type: GrantFiled: July 20, 1983Date of Patent: February 24, 1987Assignee: M&T Chemicals Inc.Inventors: Abe Berger, Irwin B. Silverstein
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Patent number: 4596882Abstract: Modified silacrown ethers are formed having the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are organic radicals, hydrogen or groups which actively assist in the complexing of metal cations, n is an integer between 3 and 10 inclusive, and R.sup.3 is hydrogen or lower alkyl. These modified silacrown ethers are prepared by reacting a polyalkylene glycol with substituted silanes under conditions promoting cyclization over polymerization. The modified silacrown ethers are useful for forming cation complexes and promoting anionic reactions, particularly in phase transfer reactions either in solution or immobilized on siliceous supports.Type: GrantFiled: February 15, 1984Date of Patent: June 24, 1986Assignee: Petrarch Systems Inc.Inventors: Barry C. Arkles, Kevin M. King
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Patent number: 4590224Abstract: Siloxane modified isocyanurate polymers are disclosed which are the reaction product of a siloxane containing polyahl and a polyisocyanate in the presence of a catalyst for a trimerization of the isocyanate to form isocyanurate rings.Type: GrantFiled: August 20, 1984Date of Patent: May 20, 1986Assignee: The Dow Chemical CompanyInventor: Kurt C. Frisch, Jr.
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Patent number: 4579963Abstract: The invention provides a novel class of organosilicon compounds useful as a curing agent in a room temperature curable organopolysiloxane composition, which is represented by the general structural formulaR.sub.2 CH--CR.dbd.C(OR)--O--Si(R.sup.1).sub.3-m (O--CR.dbd.CH--R).sub.m,in which each R is a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group independently from the others, R.sup.1, if any, is a substituted or unsubstituted monovalent hydrocarbon group and the suffix m is 2 or 3. The compound can readily be synthesized by the reaction of an .alpha.,.beta.-unsaturated ester compound represented by the general formulaR.sub.2 C.dbd.CR--CO--OR,and an alkenyloxy-containing silane compound represented by the general formulaHSi(R.sup.1).sub.3-m (O--CR.dbd.CH--R).sub.m,in which R.sup.1, R and m each have the meaning as defined above, in the presence of a rhodium compound as a catalyst.Type: GrantFiled: March 11, 1985Date of Patent: April 1, 1986Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masatoshi Arai, Koji Futatsumori, Takeo Inoue, Shinichi Sato
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Patent number: 4533713Abstract: Compounds containing (a) a fluoroaliphaticsulfonamido moiety, and (b) a moiety containing (1) at least two oxirane groups, (2) at least two non-terminal N-.beta.-hydroxyalkylene groups, or (3) at least one oxirane group and at least one non-terminal N-.beta.-hydroxyalkylene group. The compound is capable of being cured with a curing agent to give a cured product having excellent water resistance and oil resistance.Type: GrantFiled: May 6, 1983Date of Patent: August 6, 1985Assignee: Minnesota Mining and Manufacturing CompanyInventor: Richard D. Howells
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Patent number: 4481365Abstract: A trifluoromethyl-phenoxy-phenyl-silicon compound is disclosed of the general formula ##STR1## in which X.sup.1 and X.sup.2 independently of each other represent a hydrogen, fluorine, chlorine, bromine or iodine atom,Y represents a hydrogen or halogen atom or a cyano or nitro group,n is 0 or 1,m is 0, 1, 2 or 3,p is 0, 1, 2 or 3,X.sup.3 and X.sup.4 independently of each other represent oxygen or a --CO--O-- group,R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another represent a hydrogen atom or a C.sub.1 to C.sub.5 alkyl group,R.sup.5 and R.sup.6 independently of each other represent a C.sub.1 to C.sub.5 alkyl group, andR.sup.7 represents a C.sub.1 to C.sub.5 alkyl or hydroxyl group, a chlorine, bromine, or iodine atom or a C.sub.2 to C.sub.5 alkenoxy, C.sub.2 to C.sub.5 alkinoxy,C.sub.1 to C.sub.5 alkylthio, C.sub.2 to C.sub.5 alkenyl-thio or C.sub.2 to C.sub.5 alkinyl-thio group or a C.sub.1 to C.sub.Type: GrantFiled: October 12, 1982Date of Patent: November 6, 1984Assignee: Bayer AktiengesellschaftInventors: Heinz Forster, Ludwig Eue, Robert Schmidt, Klaus Lurssen
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Patent number: 4430235Abstract: Polymeric antioxidants comprising polyorganosiloxane backbones having joined thereto, by non-hydrolyzable linkages, aromatic antioxidant moieties.Type: GrantFiled: July 17, 1981Date of Patent: February 7, 1984Assignee: Union Carbide CorporationInventors: Nan S. Chu, Lawrence Marlin
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Patent number: 4417066Abstract: Process for the preparation of organosiloxane polymers wherein there are reacted together (A) a silanol-terminated polydiorganosiloxane in which at least 50% of the organic substituents are methyl, and (B) a quaternary ammonium silaneRR'.sub.2 Si--Q--N.sup.+ X.sub.2 YZ.sup.31wherein R' represents an alkoxy or alkoxyalkoxy group, R represents alkyl, phenyl, vinyl or a group as defined for R', Q represents a divalent group, X represents alkyl, aryl, aralkyl or alkaryl, Y represents a monovalent hydrocarbon group or the group (--OM).sub.a OD, wherein M represents an alkylene group having 2 or 3 carbon atoms, a has a value of from 1 to 20 and D represents H, alkyl or acyl, and Z is a halogen atom.The organosiloxane polymers can be crosslinked and are useful for the treatment of textiles.Type: GrantFiled: September 22, 1982Date of Patent: November 22, 1983Assignee: Dow Corning LimitedInventor: Stephen Westall
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Patent number: 4395527Abstract: The properties of polymeric compositions can be improved by the presence of a polysiloxane unit of formula ##STR1## where Q is a substituted or unsubstituted aromatic group,Z is ##STR2## D is unsubstituted or substituted hydrocarbylene R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each, independently, is unsubstituted or substituted hydrocarbyl.x, y and z each independently has a value from 0 to 100.Polyimides containing these units display improved solubility and adhesion; they are useful, among other things as protective coatings.Type: GrantFiled: December 15, 1980Date of Patent: July 26, 1983Assignee: M & T Chemicals Inc.Inventor: Ade Berger
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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: 4338426Abstract: A polyimide-isoindroquinazolinedione-silicone copolymer resin produced by reacting (a) a diaminoamide, (b) a diaminosiloxane, (c) a diamine, and (d) a tetracarboxylic acid dianhydride to give a polyamide acid-silicone intermediate, which is then subjected to dehydration and ring closure, is excellent particularly in adhesiveness, moisture resistance, wear resistance and heat resistance. The polyamide acid-silicone intermediate is stable in the form of a varnish and usuable commercially as a raw material for the polyimide-isoindroquinazolinedione-silicone copolymer resin.Type: GrantFiled: August 6, 1981Date of Patent: July 6, 1982Assignee: Hitachi Chemical Company, Ltd.Inventors: Hidetaka Sato, Shunichiro Uchimura, Hiroshi Suzuki, Daisuke Makino
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Patent number: 4312993Abstract: Silylated polyethers having the general formula: ##STR1## wherein at least one R is selected from the group consisting of an --NH radical, an ammonium radical or a radical of the formula ##STR2## in which the radicals are linked to the polyether through an ester, amine, amide or ammonium radical and 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 radical selected from the group consisting of C.sub.6 H.sub.4, C.sub.6 H.sub.8 and C.sub.10 H.sub.6 ; A is a silicon containing radical selected from the group consisting of cationic or anionic radicals of the formula or ##EQU1## and nonionic radicals of the formula ##EQU2## wherein R.sup.2 and R.sup.3 which may be the same or different, are monovalent hydrocarbon radicals having from 1 to 18 carbon atoms, R.sup.Type: GrantFiled: September 10, 1979Date of Patent: January 26, 1982Assignee: SWS Silicones CorporationInventor: Eugene R. Martin
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Patent number: 4277610Abstract: A synthesis of 2,6,10-trimethyl-undecan-1-ol, an intermediate for producing vitamin E, from methacrolein, crotonaldehyde, .beta.-hydroxy-isobutyric acid including intermediates in this synthesis.Type: GrantFiled: May 12, 1978Date of Patent: July 7, 1981Assignee: Hoffmann-La Roche Inc.Inventors: Noal Cohen, Gabriel Saucy
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Patent number: 4254270Abstract: An adduct of phenol with an aminoorganosilane ester with salt-like charge-transfer-complex structure of the general formula ##STR1## wherein R represents an alkyl moiety of 1 to 8 carbon atoms or ethylene glycol or polyethylene glycol or propylene glycol or polypropylene glycol moieties terminally closed with a lower alkyl or acyl group;R' represent hydrogen or alkyl moieties having 1 to 20 carbon atoms optionally containing one or more ether bridges, a cycloalkyl moiety or an aryl moiety;R" represents alkyl with 1 to 8 carbon atoms;X represents halogen or C.sub.1-4 alkyl moieties or a nitro group;a being a value of 0 to 3;b a value of 0 to 5;c a value of 0 to 20; andn a value of 1 to 6; and a process for preparing the same.Type: GrantFiled: November 2, 1979Date of Patent: March 3, 1981Assignee: Dynamit Nobel AktiengesellschaftInventors: Hans-Joachim Kotzsch, Hans-Joachim Vahlensieck
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Patent number: 4246423Abstract: Silicone polyether copolymers having the general formula ##STR1## wherein R is a radical selected from the group consisting of ##STR2## in which the radical R is linked to the polyether through an ester linkage, 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 radical selected from the group consisting of C.sub.6 H.sub.4, C.sub.6 H.sub.8 and C.sub.10 H.sub.6 ; A is a silicone containing monovalent or divalent radical selected from the group consisting of ##STR3## R.sup.2 is selected from the group consisting of saturated divalent hydrocarbon radicals, hydrocarbonoxy radicals in which the hydrocarbon group is linked to the silicon by a carbon bond and the oxygen is in the form of an ether linkage, and unsaturated divalent hydrocarbon radicals, R.sup.3 is selected from the group consisting of monovalent hydrocarbon radicals having from 1 to 18 carbon atoms, alkoxy radicals having from 1 to 18 carbon atoms and OSi(R.sup.4).sub.Type: GrantFiled: October 22, 1979Date of Patent: January 20, 1981Assignee: SWS Silicones CorporationInventor: Eugene R. Martin
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Patent number: 4208319Abstract: Organosilanes containing aliphatic double bonds and a process for preparing the same which comprises reacting an organic compound having more than one aliphatic double bond with a silane having an Si-bonded hydrogen atom and at least one hydrolyzable group and/or at least one group capable of being hydrolyzed more readily than the Si-bonded hydrogen atom in the presence of a catalyst which promotes the addition of Si-bonded hydrogen atoms to aliphatic double bonds.These organosilanes are used as reinforcing agents for compositions containing organic polymers which are crosslinked by means of sulfur or free radicals.Type: GrantFiled: November 16, 1977Date of Patent: June 17, 1980Assignee: Wacker-Chemie GmbHInventors: Peter August, Peter Huber, Klaus Adler, Wilfried Dressler
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Patent number: RE30677Abstract: A silicone containing bis-thioether aromatic amine has a chemical structure wherein an aromatic nucleus at each end of the chemical radical is chemically bonded to the remainder of the chemical radical by either sulfur, sulfoxide or sulfone.Type: GrantFiled: April 4, 1980Date of Patent: July 14, 1981Assignee: M&T Chemicals Inc.Inventor: Abe Berger