Two Carbons Bonded Directly To The Same Oxygen Patents (Class 556/445)
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Patent number: 5625023Abstract: The present invention relates to a method of preparing an aerosol suppressant composition and to use of the composition to reduce or suppress silicone mist in high speed coating processes and significantly increase the adhesion of the coating to the substrate. More particularly, the present invention relates to a method of preparing an aerosol suppressant composition by reacting an organosilicon compound, an oxyalkylene containing compound, and a catalyst. The composition, when added to curable silicone coatings, reduces the amount of silicone mist in high speed coating processes.Type: GrantFiled: December 9, 1994Date of Patent: April 29, 1997Assignee: Dow Corning CorporationInventors: Kyuha Chung, Gary R. Homan, Raymond L. Tabler
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Patent number: 5610258Abstract: The crosslinkable nematic polyorganosiloxanes are cyclic polyorganosiloxanes containing at least three different mesogenic side groups per polyorganosiloxane, where at least two mesogenic side groups per polyorganosiloxane each contain at least three radicals selected from aromatic, heteroaromatic and cycloaliphatic radicals. They contain a methacrylic or acrylic group in at least one of the mesogenic side groups. The cyclic polyorganosiloxanes have a broad nematic phase and can be readily aligned.Type: GrantFiled: October 11, 1995Date of Patent: March 11, 1997Assignee: Consortium f ur elektrochemische Industrie GmbHInventors: Hans-Peter Weitzel, Susanne Weber-Koegl, Sotirios Chatzinerantzis
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Patent number: 5608104Abstract: Described is a detection method of a pyrethroid compound which comprises providing a first antibody against the pyrethroid compound, said first antibody having been obtained by immunizing a responder with an immunogen which is a first conjugate between a first carrier and a first haptenic compound represented by the following formula (1) or (2): ##STR1## mixing the first antibody with the sample solution, causing any unreacted portion of the first antibody to be bound on a second conjugate as a coated antigen, said second conjugate being formed of a second carrier and a second haptenic compound and having been coated on a surface of a solid phase carrier, whereby an antigen-antibody conjugate is obtained; andreacting the antigen-antibody conjugate with a second antibody against the first antibody, said second antibody having a labelled enzyme linked therewith.Type: GrantFiled: September 27, 1994Date of Patent: March 4, 1997Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Hideo Ohkawa, Koji Kitajima, Kenji Kodaka, Yasunori Fumoto, Takako Kumeta
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Patent number: 5608095Abstract: This invention relates to compounds of the formula ##STR1## wherein R.sub.1 and R.sub.6 are each independently C.sub.1 -C.sub.6 alkyl;R.sub.2, R.sub.3 and R.sub.4 are each independently hydrogen or C.sub.1 -C.sub.6 alkyl;R is hydrogen or --C(O)--(CH.sub.2).sub.m --Q wherein Q is hydrogen or --COOH and m is an integer 1, 2, 3 or 4;Z is a thio, oxy or methylene group;A is a C.sub.1 -C.sub.4 alkylene group;R.sub.5 and R.sub.7 are each independently a C.sub.1 -C.sub.6 alkyl or --(CH.sub.2).sub.n --(Ar) wherein n is an integer 0, 1, 2 or 3; and Ar is phenyl or naphthyl unsubstituted or substituted with one to three substituents selected from the group consisting of hydroxy, methoxy, ethoxy, halogen, trifluoromethyl, C.sub.1 -C.sub.6 alkyl, or --NR.sub.8 R.sub.9, wherein R.sub.8 and R.sub.9 are each independently hydrogen or C.sub.1 -C.sub.6 alkyl; with the proviso that when R.sub.2 and at least one of R.sub.5 or R.sub.7 is C.sub.1 -C.sub.6 alkyl, and Ar is not substituted with trifluoromethyl or --NR.sub.8 R.sub.Type: GrantFiled: April 30, 1996Date of Patent: March 4, 1997Assignee: Hoechst Marion Roussel, Inc.Inventors: Roger A. Parker, Michael L. Edwards, Mark J. Vaal, James E. Matt, Jr., Kim S. Chen, Mark T. Yates, Paul S. Wright, Steven J. Busch
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Patent number: 5595684Abstract: An optically active tetrahydropyran derivative represented by one of the following general formulae, a liquid crystal composition containing the derivative, and a liquid crystal device containing the composition are disclosed. The optically active tetrahydropyran derivative is a novel compound which is chemically stable, causes no coloring, has excellent optical stability, and shows a large spontaneous polarization and a quick response. The optically active tetrahydropyran derivative can show a more excellent quick response when it is used in a composition, and is useful as a component in a ferroelectric liquid crystal which induces a large spontaneous polarization.Type: GrantFiled: April 3, 1995Date of Patent: January 21, 1997Assignee: Kashima Oil CompanyInventors: Masaaki Namekawa, Keizou Itoh, Shinichi Nayuki, Mitsunori Takeda, Yoshinobu Murayama
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Patent number: 5593787Abstract: The present invention relates to organosilicon compounds containing (meth)acryloxy groups which can be prepared in a simple manner with high selectivity using readily accessible starting substances. The organopolysiloxanes containing (meth)acryloxy groups rapidly crosslink in the presence of a photoinitiator and light. The compounds of the present invention may be employed in the production of coatings.Type: GrantFiled: October 25, 1995Date of Patent: January 14, 1997Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Christian Herzig, Bernward Deubzer, Thomas Hierstetter, Petra Gratzl
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Patent number: 5587503Abstract: Process for preparing silicon-containing vinyl ethers and vinyl thioethers of the general formula I ##STR1## where the variables have the following meanings: X is oxygen or sulfur,R.sup.1 is C.sub.1 -C.sub.20 -alkylene, C.sub.3 -C.sub.12 -cycloalkylene or C.sub.6 -C.sub.10 -arylene,R.sup.2, R.sup.3 and R.sup.4 are hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.3 -C.sub.12 -cycloalkyl, C.sub.1 -C.sub.12 -alkoxy, phenoxy, heteroaryl or together with R.sup.1 form a C.sub.3 -C.sub.12 -cycle,by reaction of silicon-containing alcohols or thiols of the general formula II ##STR2## where the variables have the meaning indicated above, with acetylene, by carrying out the reaction in phenyl methyl sulfoxide, dimethyl sulfoxide, sulfolane or hexamethylphosphoramide in the presence of an alkali metal hydroxide.Type: GrantFiled: August 24, 1995Date of Patent: December 24, 1996Assignee: BASF AktiengesellschaftInventors: Marc Heider, Jochem Henkelmann, Michael Karcher
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Patent number: 5567833Abstract: A curable composition which comprises(C) a non-polymeric organic curing agent having at least two hydrosilyl groups in a molecule,(D) an organic polymer having at least one alkenyl group in a molecule, and(E) a hydrosilylation catalysthas rapid curability and good depth curability, and gives a homogeneous cured material having good mechanical properties.Type: GrantFiled: September 26, 1994Date of Patent: October 22, 1996Assignee: Kanegafuchi Chemical Industry Co., Ltd.Inventors: Takahisa Iwahara, Makoto Chiba, Tomoko Takahara, Kazuya Yonezawa
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Patent number: 5565194Abstract: The invention relates to polysiloxanes with 1) at least two polyether groups A and B, polyoxyalkylene group, with an average molecular weight of 600 to 5,500, consisting of 20 to 100% by weight of oxyethylene units and of 80 to 0% by weight of oxypropylene units and the polyoxyalkylene group B, with an average molecular weight of 700 to 5,000, consisting of 0 to <20% by weight of oxyethylene units and of 100 to 80% by weight of oxypropylene units, and with 2) hydrocarbon groups with 6 to 30 carbon atoms, linked to silicon. The invention further relates to the synthesis of these polysiloxanes and their use as additives for hair cosmetics, particularly as additives for hair shampoos to improve the handle and the combability of the hair.Type: GrantFiled: November 15, 1995Date of Patent: October 15, 1996Assignee: TH. Goldschmidt AG.Inventors: Georg Burkhart, Rolf-Dieter Langenhagen, Andreas Weir, Volker Zellmer
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Patent number: 5542960Abstract: The present invention is a class of organosilicone terpolymers which may be used to abate the foaming of diesel fuel at silicon levels below 1.2 ppm. Said silicone terpolymers are modified alkyl phenol derivatives and polyethers grafted on a polysiloxane copolymer. Said polysiloxane terpolymer has a structure of MD.sub.x D*.sub.y D**.sub.2 M, where M is O.sub.0.5 Si(CH.sub.3).sub.3, D is a OSi(CH.sub.3).sub.2, D* is OSi(CH.sub.3)R, R is a polyether, D** is OSi(CH.sub.3)R', R' is a phenol derivative x+y+z is 35-350, x/(y+z) is 3 to 6 and y/z is 0.25 to about 9.0.Type: GrantFiled: July 7, 1994Date of Patent: August 6, 1996Assignee: OSi Specialties, Inc.Inventor: Wojciech Grabowski
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Patent number: 5530153Abstract: Process for the preparation of aryldimethyl(3-arylpropyl)silanes by a route comprising hydrosilylation followed by a modified Grignard reaction.Type: GrantFiled: January 27, 1995Date of Patent: June 25, 1996Assignee: Hoechst AktiengesellschaftInventor: Hans H. Schubert
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Patent number: 5527855Abstract: An improved process is provided for the preparation of siloxane-oxyalkylene block copolymer surfactant compositions which utilize a hydrosilylation reaction with a phenyl ether as the reaction solvent and the use of a phenyl ether as a cold blend additive. Ethylene glycol phenyl ether is the preferred reaction solvent or cold blend additive.Type: GrantFiled: April 21, 1995Date of Patent: June 18, 1996Assignee: Dow Corning CorporationInventors: Lenin J. Petroff, Michael A. Stanga, Joseph S. Steger, James D. Thornsberry
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Patent number: 5527933Abstract: There is disclosed an improved method for preparing a hybrid organodisilanol compound having the formulaHO--R.sup.1 R.sup.2 SiC.sub.n H.sub.2n RC.sub.n H.sub.2n SiR.sup.1 R.sup.2 --OH (I)said method comprising:(A) reacting a dihydridosilane of the formulaR.sup.1 R.sup.2 SiH.sub.2 (II)with a diene of the formulaC.sub.n H.sub.2n-1 RC.sub.n H.sub.2n-1 (III)to provide a dihydrido compound of the formulaH--R.sup.1 R.sup.2 SiC.sub.n H.sub.2n RC.sub.n H.sub.2n SiR.sup.1 R.sup.2 --H (IV); and(B) reacting said dihydrido compound (IV) with a buffered water solution in the presence of a palladium catalyst.Type: GrantFiled: October 2, 1995Date of Patent: June 18, 1996Inventors: Bernard Boutevin, Francine Guida-Pietrasanta, Amedee Ratsimihety, Gerardo Caporiccio
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Patent number: 5527935Abstract: The present invention relates to the organopolysiloxanes having the formula[R.sup.1 Si(OSiR.sup.2.sub.2 X).sub.2 OSiR.sup.2.sub.2 O.sub.1/2 ].sub.a [R.sub.3 SiO.sub.1/2 ].sub.b [R.sub.2 SiO].sub.c [RSiO.sub.3/2 ].sub.d [SiO.sub.2 ].sub.e (1),whereR is optionally substituted C.sub.1 - to C.sub.18 -hydrocarbon radicals,R.sup.1 is an optionally substituted C.sub.6 - to C.sub.15 -hydrocarbon radical having at least one phenyl ring,R.sup.2 is a C.sub.1 - to C.sub.3 -hydrocarbon radical,X is a hydrogen atom or an organic or organosilicon functional group bonded via a divalent, optionally substituted C.sub.2 - to C.sub.15 -hydrocarbon radical, with one or more methylene units of the hydrocarbon radical being able to be replaced by oxygen atoms bonded on both sides to carbon atoms,a is an integer of at least 1 andb, c, d and e are each 0 or a positive integer, and the sum of a, b, c, d and e is at least 3, and the process for the preparation thereof.Type: GrantFiled: September 14, 1994Date of Patent: June 18, 1996Assignee: Wacker-Chemie GmbHInventors: Michael Stepp, Peter John
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Patent number: 5512694Abstract: Addition-curable platinum group metal catalyzed silicone compositions are provided which utilize a bis(trialkyloxysilyl)alpha-amino ester as an adhesion promoter. Cohesive bonding is effected on both plastic and metal substrates at temperatures of about 100.degree. C. in an hour or less.Type: GrantFiled: June 7, 1995Date of Patent: April 30, 1996Assignee: General Electric CompanyInventor: Judith Stein
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Patent number: 5508460Abstract: An improved method for synthesizing arylsilanes is disclosed. Novel catalysts for use in the method are provided. A method for synthesizing the novel catalysts is also disclosed.Type: GrantFiled: August 15, 1994Date of Patent: April 16, 1996Assignee: Trustees of the University of PennsylvaniaInventors: Donald H. Berry, Peter I. Djurovich
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Patent number: 5492939Abstract: Silicone surfactants having a siloxane backbone and polyether pendants having average atomic masses of 2250. The surfactants of the invention operate in polyurethane foam compositions to provide stable foams over a range of surfactant concentrations while still producing product foams without splits. Also disclosed and claimed are polyurethane foam compositions which include the surfactants, a method of making polyurethane foam using the surfactants, and polyurethane foam made by the method.Type: GrantFiled: April 12, 1995Date of Patent: February 20, 1996Assignee: Dow Corning CorporationInventors: Michael A. Stanga, John H. Frey, Robert F. Hoffman, Robert E. Stevens
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Patent number: 5488124Abstract: New alkylpolyether siloxanes are prepared by reacting an unsaturated ether with alkylhydrido siloxanes such as (i) comonomers RSi(OSiMe.sub.2 H).sub.3, (ii) oligomers (HMe.sub.2 SiO).sub.2 --Si(R)--O--Si(R)--(OSiMe.sub.2 H).sub.2, and (iii) higher molecular weight siloxane species RSi[(OSiMe.sub.2).sub.x OSiMe.sub.2 H].sub.3 and [HMe.sub.2 SiO(Me.sub.2 SiO).sub.x ].sub.2 Si(R)O(R)Si[(OSiMe.sub.2).sub.x OSiMe.sub.2 H].sub.2. R is a C.sub.2 to C.sub.18 straight-chain or branched-chain alkyl substituent.Type: GrantFiled: February 13, 1995Date of Patent: January 30, 1996Assignee: Dow Corning CorporationInventors: Vicky S. Cobb, Beth I. Gutek, Gary E. Le Grow
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Patent number: 5484950Abstract: A process for the selective monoadditon of an olefin or acetylene to a siloxane which contains two reactive Si--H bonds to produce a product in which only one of the two Si--H functions has added across the olefin or acetylene is disclosed. A process for making unsymmetrical siloxanes from symmetrical dihydrosiloxanes and products of both of these processes are also disclosed. Products are represented by the formula I in which R.sup.1 and R.sup.Type: GrantFiled: December 21, 1992Date of Patent: January 16, 1996Assignee: Polyset Company, Inc.Inventor: James V. Crivello
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Patent number: 5475127Abstract: The invention relates to novel organosilyl and organosiloxanyl derivatives of glycerin ethers of the general formula ##STR1## wherein R represents --OH or the --OCH.sub.2 --CH.dbd.CH--(CH.sub.2).sub.3 --CH.dbd.CH.sub.2 group or the --(R.sup.5).sub.a --R.sup.6 group or the --OCH.sub.2 --CH.dbd.CH--(CH.sub.2).sub.5 --R.sub.4 group.Type: GrantFiled: April 3, 1995Date of Patent: December 12, 1995Assignee: Th. Goldschmidt AGInventors: Klaus-Dieter Klein, Wilfried Knott
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Patent number: 5474716Abstract: Disclosed are processes for the preparation of new bridged cyclopentadienylmagnesium compounds of the general formula Q(CpR.sub.a)(Cp'R'.sub.a ')Mg, and the use thereof for preparing bridged metallocenes.Type: GrantFiled: February 22, 1995Date of Patent: December 12, 1995Assignee: Witco GmbHInventor: Richard Lisowsky
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Patent number: 5466849Abstract: Novel siloxane derivatives represented by general formula (1): ##STR1## A method for producing the siloxane derivatives and agents such as cosmetic preparations, emulsifying dermatotherapeutic external agents and the like including at least one of the siloxane derivatives are also disclosed.Type: GrantFiled: June 7, 1994Date of Patent: November 14, 1995Assignee: Kao CorporationInventors: Yasushi Shioya, Yuji Suzuki, Ken Takeuchi, Koji Yoshino, Akira Kawamata
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Patent number: 5453221Abstract: Disclosed are new bridged cyclopentadienylmagnesium compounds of the general formula Q(CpR.sub.a) (Cp'R'.sub.a')Mg, processes for the preparation thereof, and the use thereof for preparing bridged metallocenes.Type: GrantFiled: February 22, 1995Date of Patent: September 26, 1995Assignee: Witco GmbHInventor: Richard Lisowsky
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Patent number: 5451692Abstract: There is disclosed novel silicone polyether alkyl copolymers, and a method for their preparation, for use as emulsifiers in improved stability water-in-oil emulsions.Type: GrantFiled: December 29, 1994Date of Patent: September 19, 1995Assignee: General Electric CompanyInventors: William J. Raleigh, Raymond J. Thimineur
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Patent number: 5446114Abstract: The invention relates to a series of novel silicone fluorinated dimethicone copolyols. This class of compounds provides breathable barriers when applied to textiles and paper. These barriers allow for the passage of water and air through the barrier, but do not allow for the passage of oils. The compounds of the present invention are prepared by reacting a silanic hydrogen containing silicone polymer with a vinyl containing fluoro compound and an allyl alcohol alkoxylate.Type: GrantFiled: December 15, 1994Date of Patent: August 29, 1995Assignee: Siltech Inc.Inventor: Anthony J. O'Lenick, Jr.
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Patent number: 5446119Abstract: Organopolysiloxanes which contain ester groups and comprise units of the formula ##EQU1## in which R may be an identical or different monovalent, SiC-bonded hydrocarbon radical having 1 to 18 carbon atoms,A may be an identical or different radical of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, c, v, w, s, t,is 0 or an integer, the sum of s and tbeing an integer from 1 to 20,x is 0 or 1,y is 0 or 1, the sum of x and y being 1 or 2,a is 0, 1, 2 or 3, andb is 0, 1 or 2,with the proviso that the sum of a and b is less than or equal to 3 and the organopolysiloxane contains at least one radical A per molecule.Type: GrantFiled: July 25, 1994Date of Patent: August 29, 1995Assignee: Wacker-Chemie GmbHInventors: Christian Herzig, Willibald Burger, Bernward Deubzer, Martina Bloechl
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Patent number: 5440001Abstract: The invention provides a thermal and addition curable silicone release coating comprising a mixture of an epoxysilicone controlled release additive containing at least one tri- or quadri-functional siloxane unit, a vinyl-functional silicone base polymer, a temperature-dependent hydrosilation inhibitor and an effective hydrosilation catalyst.Type: GrantFiled: December 30, 1993Date of Patent: August 8, 1995Assignee: General Electric CompanyInventors: Roy M. Griswold, Michael J. O'Brien
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Patent number: 5430167Abstract: Silanes of the general formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 in the molecule are the same or different and represent aliphatic hydrocarbon groups,R.sup.4 is a divalent hydrocarbon group with 3 to 14 carbon atoms,R.sup.5 is a group having the formula --O(CH.sub.2).sub.b -- or a polyether group having the formula --(OC.sub.n H.sub.2n).sub.c --, whereinb has a value of 1 to 6,n has an average value of 2 to 2.5c has a value of 1 to 10, anda is 0 or 1, which fulfill the condition that they lower the surface tension of a 1% by weight aqueous solution to a value of .ltoreq.25 mN/m at 25.degree. C., measured with a Du Nooy tensiometer. The silanes are biologically degradable, resistant to hydrolysis and have pronounced surface active properties.Type: GrantFiled: June 24, 1994Date of Patent: July 4, 1995Assignee: Th. Goldschmidt AGInventors: Klaus-Dieter Klein, Wilfried Knott, Gotz Koerner
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Patent number: 5430062Abstract: The present invention relates to stilbene derivatives which possess utility as anti-cancer agents. The compounds can be used to treat cancers which are susceptible to treatment therewith, and can be utilized in a method of treating such cancers. Pharmaceutical compositions containing the compounds are disclosed. Three preferred compounds among those disclosed are (Z)-1-(4-methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)ethene, (Z)-1-(4-methylphenyl)-2-(3,4,5-trimethoxyphenyl)ethene, and 4-methyl-3',4',5'-trimethoxybenzylaniline hydrochloride.Type: GrantFiled: June 23, 1993Date of Patent: July 4, 1995Assignee: Research Corporation Technologies, Inc.Inventors: Mark S. Cushman, Ernest Hamel
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Patent number: 5430097Abstract: An improved process is provided for the preparation of siloxane-oxyalkylene block copolymer surfactant compositions which utilize a hydrosilylation reaction with a phenyl ether as the reaction solvent. The reaction solvent need not be removed from the block copolymer, particularly when the block copolymer is used as a surfactant for polyurethane foam formulations. Ethylene glycol phenyl ether is the preferred reaction solvent.Type: GrantFiled: December 23, 1993Date of Patent: July 4, 1995Assignee: Dow Corning CorporationInventors: Lenin J. Petroff, Michael A. Stanga, Joseph S. Steger, James D. Thornsberry
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Patent number: 5430166Abstract: Silanes of the general formula ##STR1## are prepared wherein R.sup.1, R.sup.2 and R.sup.3 in the molecule are the same or different and represent aliphatic hydrocarbon groups,R.sup.4 is a divalent hydrocarbon group with 3 to 14 carbon atoms,R.sup.5 is a group having the formula --O(CH.sub.2).sub.b -- or a polyether group having the formula --(OC.sub.n H.sub.2n).sub.c --, wherein b has a value of 1 to 6, n has an average value of 2 to 2.5 and c has a value of 1 to 10,R.sup.6 is an --OSO.sub.3 X group or an --OR.sup.7 group, wherein X is a hydrogen, an alkali or an optionally substituted ammonium ion and R.sup.7 is an alkyl group with 1 to 4 carbon atoms or an acetyl group,a is 0 or 1,with the proviso that, when R.sup.6 represents the --OR.sup.7 group, a=1. The silanes are biologically degradable, resistant to hydrolysis and have pronounced surfactant properties.Type: GrantFiled: June 24, 1994Date of Patent: July 4, 1995Assignee: Th. Goldschmidt AGInventors: Klaus-Dieter Klein, Wilfried Knott, Gotz Koerner
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Patent number: 5419984Abstract: This invention is directed to the use of polysiloxane acrylates in solid electrolytes containing a solid polymeric matrix. The solid electrolytes are used in electrochemical cells for secondary batteries.Type: GrantFiled: December 16, 1993Date of Patent: May 30, 1995Assignee: Valence Technology Inc.Inventors: Benjamin Chaloner-Gill, M. Neal Golovin
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Patent number: 5401870Abstract: There is disclosed novel silicone polyether alkyl copolymers, and a method for their preparation, for use as emulsifiers in improved stability water-in-oil emulsions.Type: GrantFiled: June 22, 1993Date of Patent: March 28, 1995Assignee: General Electric CompanyInventors: William J. Raleigh, Raymond J. Thimineur
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Patent number: 5401871Abstract: Organopolysiloxane polyethers with increased resistance to hydrolysis are prepared. Furthermore, a method of rendering an aqueous system hydrolysis-resistant and exhibiting increased wetting property utilizing such polysiloxane polyethers as wetting agents in aqueous systems is described. Aqueous coating systems containing such polyethers exhibit increased wetting property and are resistant to alkaline and acidic hydrolysis.Type: GrantFiled: February 24, 1994Date of Patent: March 28, 1995Assignee: Th. Goldschmidt AGInventors: Georg Feldmann-Krane, Werner Hohner, Dietmar Schaefer, Stefan Silber
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Patent number: 5399650Abstract: Adhesion promoting additives for organosiloxane compositions that cure by a platinum-catalyzed hydrosilation reaction are reaction products of (1) an ethylenically unsaturated ether of a polyfunctional alcohol and (2) at least one silicon compound selected from the group consisting of (i) epoxy-substituted organosilicon compounds containing at least one hydrolyzable group per molecule and (ii) tetraalkyl orthosilicates, also referred to tetraalkoxysilanes, where the reaction is conducted in the presence of a suitable catalyst such as an organotitanium compound. The additive optionally includes a chelated organoaluminum compound.Type: GrantFiled: August 17, 1993Date of Patent: March 21, 1995Assignee: Dow Corning CorporationInventor: Carl J. Bilgrien
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Patent number: 5397824Abstract: Novel neopentasiloxane compounds of the general formula Si[OSiR.sub.2 Q].sub.4 wherein R denotes a monovalent hydrocarbon or halohydrocarbon group and Q denotes a group R or a group comprising a block of at least two oxyalkylene units and having a terminal group containing a reactive hydrogen atom, not more than one Q denoting an R group. The invention also encompasses a film-forming composition comprising a curable polyurethane resin and the neopentasiloxane, and the use of the film-forming compositions to provide breathable (water vapour permeable) coatings on textile fabrics.Type: GrantFiled: April 23, 1993Date of Patent: March 14, 1995Assignee: Dow Corning LimitedInventors: James McVie, Martin Rowlands
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Patent number: 5391679Abstract: Polyether siloxanes, which are linked to the polysiloxane backbone through Si--C bonds, are synthesized by reacting given polysiloxanes with a compound having at least one epoxide group in such amounts, that there are at least two epoxide groups per OH group, in the presence of Lewis acids at temperatures not exceeding 60.degree. C. or in the presence of complex catalysts, which accelerate the addition between epoxide groups and hydroxyl groups, at temperatures up to 140.degree. C., the reaction optionally being carried out in the presence of an inert solvent. The polyether siloxanes obtained have a defined functionality and are free of excess, unreacted polyol components.Type: GrantFiled: May 17, 1993Date of Patent: February 21, 1995Assignee: Th. Goldschmidt AGInventors: Georg Burkhart, Dietmar Schaefer, Andreas Weier, Dietmar Wewers
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Patent number: 5378789Abstract: The present invention provides novel silicone compositions comprising phenol-modified branched and cyclic silicones which provide improved low temperature viscosity properties.Type: GrantFiled: March 8, 1993Date of Patent: January 3, 1995Assignee: General Electric CompanyInventors: William J. Raleigh, Donald S. Johnson, Michael A. Lucarelli, Gary C. Davis, James F. Hoover
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Patent number: 5354874Abstract: Acyclic terpene compounds useful as intermediates for producing sarcophytol A which have an anti-carcinogenic promotor activity and anti-tumor activity, which compounds are shown by the general formula (I): ##STR1##Type: GrantFiled: November 30, 1993Date of Patent: October 11, 1994Assignee: Mitsubishi Kasei CorporationInventors: Hisao Takayanagi, Yasunori Kitano, Yasuhiro Morinaka
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Patent number: 5354832Abstract: A stable aqueous dispersion having a particle size in the range of about 10 to about 200 nanometers containing specific silanes carrying at least one hydrophobic moiety and at least one water-solubilizing moiety is claimed along with the process for treating a cellulosic substrate and the treated cellulosic product resulting therefrom. The aqueous dispersions are stable for at least 20 days without externally added surfactant.Type: GrantFiled: April 16, 1993Date of Patent: October 11, 1994Assignee: PPG Industries, Inc.Inventors: Wen-Hsuan Chang, John F. Grunewalder, Mark A. Harley, Edward E. McEntire
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Patent number: 5348684Abstract: The novel silylalkyl or silylalkenyl compounds correspond to the general formula (I) ##STR1## Here the symbols A.sup.1, A.sup.2, A.sup.3 denote aromatic or heteroaromatic molecular units such as 1,4-phenylene or pyrimidine-2,5-diyl which are combined via a single bond (for k, m=0) or via functional groups M.sup.1,M.sup.2 such as CO--O or CH.sub.2 --O; j, k, l, m, n are zero or 1 (j+l+n=2 or 3). The radicals R.sup.2, R.sup.3, R.sup.4, R.sup.5 are hydrogen or alkyl/alkenyl, cycloalkyl, and the radicals R.sup.6, R.sup.7, R.sup.8 have a comparable meaning (hydrogen); R.sup.1 is alkyl/alkenyl or one of the substituents known from LC chemistry such as an .alpha.-haloalkanoic radical. In some cases compounds have wide and polymorphous liquid crystalline phases.Type: GrantFiled: August 20, 1992Date of Patent: September 20, 1994Assignee: Hoechst AktiengesellschaftInventors: Wolfgang Hemmerling, Hans-Rolf Dubal, Claus Escher, Gerhard Illian, Yoshio Inoguchi, Ingrid Muller, Mikio Murakami, Dieter Ohlendorf, Rainer Wingen
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Patent number: 5342983Abstract: Organic silicon compounds which are expressed by the general chemical formulae (I) or (II): ##STR1## wherein R.sup.1 is a monovalent organic group with 1 to 8 carbon atoms; R.sup.2, R.sup.3 and R.sup.4 in each equation are independent and either a monovalent organic group with 1 to 8 carbon atoms or a siloxyl group expressed by ##STR2## wherein R.sup.5, R.sup.6 and R.sup.7 are independent in each equation and they are a monovalent organic group with 1 to 8 carbon atoms; and a is either 0, 1 or 2. The novel organic silicon compounds possess both a polymerizable double bond and organopolysiloxane within the same molecule. These compounds are superior in their polymerizability and copolymerizability and are useful as polymer reforming agents.Type: GrantFiled: March 5, 1993Date of Patent: August 30, 1994Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Toshio Yamazaki, Hideki Sugahara, Shoji Ichinohe, Toshinobu Ishihara, Tohru Kubota
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Patent number: 5326895Abstract: 3-(Vinylbenzyloxy)propylsilane compounds represented by the general formula, CH.sub.2 CH.PHI. CH.sub.2 OCH.sub. CH.sub.2 CH.sub.2 SiR.sup.1.sub.n (OR.sup.2).sub.3-n (wherein R.sup.1 and R.sup.2 each represent a hydrocarbon residue containing 1 to 4 carbon atoms, and n represents an integer from 0 to 2) are provided as novel styrene skeleton-containing alkoxysilane compounds which are highly useful as silane coupling agent or polymerizing monomer.Type: GrantFiled: November 16, 1992Date of Patent: July 5, 1994Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Tohru Kubota, Toshinobu Ishihara, Mikio Endo, Katsuhiro Uehara
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Patent number: 5314879Abstract: The invention relates to the manufacture and use of aryl-propyl-aminic compounds having the following formula ##STR1## that have a high antifungal activity and are useful in the agricultural field as fungicides.Type: GrantFiled: February 28, 1991Date of Patent: May 24, 1994Assignee: Ministero Delli `Universita` E Della Ricerca Scientifica E TecnologicaInventors: Giovanni Camaggi, Lucio Filippini, Marilena Gusmeroli, Carlo Garavaglia, Luigi Mirenna
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Patent number: 5306838Abstract: Novel siloxane derivatives represented by general formula (1): ##STR1## A method for producing the siloxane derivatives and agents such as cosmetic preparations, emulsifying dermatotherapeutic external agents and the like including at least one of the siloxane derivatives are also disclosed.Type: GrantFiled: August 7, 1992Date of Patent: April 26, 1994Assignee: Kao CorporationInventors: Yasushi Shioya, Yuji Suzuki, Ken Takeuchi, Koji Yoshino, Akira Kawamata
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Patent number: 5306737Abstract: Polysiloxane-polyoxyalkylene block copolymers having different polyoxyalkylene blocks in the average molecule are prepared. The mixture of the polyoxyalkylene blocks consists of at least one polyoxyalkylene group A and at least one polyoxyalkylene group B and/or at least one polyoxyalkylene group C, each polyoxyalkylene group A having an average molecular weight of 600 to 5,500 and consisting of 20 to 90% by weight of oxyethylene units and 80 to 10% by weight of oxypropylene units, polyoxyalkylene group B having an average molecular weight of 500 to 5,000 and consisting of 2 to 19% by weight of oxyethylene units and 98 to 81% by weight of oxypropylene units, polyoxyalkylene group C having an average molecular weight of 1,500 to 4,500 and consisting of oxypropylene units. Up to 20% by weight of the oxypropylene units is replaceable by oxybutylene units and the molar ratio of polyoxyalkylene groups A to the sum of the polyoxyalkylene groups B and C is 1:4 to 4:1.Type: GrantFiled: August 26, 1993Date of Patent: April 26, 1994Assignee: Th. Goldschmidt AGInventors: Georg Burkhart, Rolf-Dieter Langenhagen, Andreas Weier, Volker Zellmer
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Patent number: 5300613Abstract: Fluorine-containing organosilicon compounds having the following general formula:CH.sub.2 .dbd.CHCH.sub.2 NHCO--[Rf--CONH(CH.sub.2).sub.3 --Q--(CH.sub.2).sub.3 NHCO].sub.a --Rf--CONHCH.sub.2 CH .dbd.CH.sub.2wherein a is an integer of 1 or above, Rf is a divalent perfluoropolyether group, and Rf is a divalent cyclosiloxane group containing an unsubstituted or substituted monovalent hydrocarbon group without an aliphatically unsaturated bond. The compounds are of use as a starting material in synthesizing rubbers or mold release agents which are high in such properties as solvent resistance, chemical resistance and the like.Type: GrantFiled: June 1, 1993Date of Patent: April 5, 1994Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hirofumi Kishita, Shinichi Sato, Takashi Matsuda
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Patent number: 5288831Abstract: Disclosed are purified polyether silicone addition reaction products of a hydrogen siloxane and a polyoxyalkylene containing a terminal double bond, which in unpurified form contains one or both of unreacted polyoxyalkylene and internal rearrangement side reaction products thereof which generate unpleasant odors in the reaction product upon storage and upon contact with water, substantially free from said unreacted polyoxyalkylene and rearrangement products thereof so that the total quantity of ketones and aldehydes produced by a treatment of the purified polyether silicones in a closed system at 60.degree. C. for 24 hours with a quantity of 10 .sup.Type: GrantFiled: January 31, 1992Date of Patent: February 22, 1994Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Shoji Ichinohe, Hideyuki Kawamoto
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Patent number: 5283345Abstract: There are disclosed novel compounds that can be used to derive therefrom a fragment that corresponds to an A-ring which is to be comined with fragments which respectively correspond to C- and D-rings in synthetic formation of vitamin D.sub.3 derivatives by cleaving the 7,8-bondings by means of oxidizing agents following any known process. According to the invention, there is provided an industrially efficient and effective method of manufacturing above compounds that utilizes chemical reaction of allylic acid to add an oxygen function group to position C(1), a method which is completely different from any existing synthetic methods.Type: GrantFiled: May 6, 1992Date of Patent: February 1, 1994Assignee: Hoxan CorporationInventor: Yuji Tahara
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Patent number: 5283349Abstract: A 2,6,7-trisubstituted-3-methylenebicyclo-[3.3.0]octane of formula (I) or an enantiomer thereof, or a mixture of these in an arbitrary ratio. The compound is a key intermediate for preparation of isocarbacyclins which are useful as medicines for the circulatory system such as an antithrombotic agent, an antilipidemic agent, a hypotensive agent or an antiarterosclerotic agent.Type: GrantFiled: September 11, 1986Date of Patent: February 1, 1994Assignee: Teijin LimitedInventors: Toshio Tanaka, Kiyoshi Bannai, Seizi Kurozumi