The Nitrogen Is In An Isocyanato Or Isothiocyanato Group (i.e., -nco Or -ncs) Patents (Class 556/414)
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Patent number: 7262312Abstract: A process for the preparation of organoalkoxysilanes containing one or more organic functional groups derived from organic acids or hydrogen cyanates, by a continuous or batch process utilizing a solid guanidinium salt as a phase transfer catalyst for the reaction between a liquid phase haloalkylalkoxysilane and a solid phase alkali or alkaline earth metal salt or ammonium salt of an organic acid or a metal cyanate.Type: GrantFiled: September 29, 2005Date of Patent: August 28, 2007Inventors: Robert E. Sheridan, Larry A. Divins, Michael R. Powell
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Patent number: 7105625Abstract: The present invention relates to silane adducts having a relatively higher adhesive strength as expressed formula X3SiR1, and manufacturing method thereof. wherein X is a hydrogenated form selected from one of epoxy compounds, amino compounds and bisphenolic, and R1 is selected from one of glycidyloxypropyl group, 2-(3,4-epoxycyclohexyl)ethyl group, 3-acryloxypropyl group, 3-methacryloxypropyl group, amino-propyl group, 3-[2-(2-aminoethylamino)ethylamino]propyl group, N-methylaminopropyl group, N-phenylaminopropyl group, N,N-dimethyl-3-aminopropyl group, mercapto-propyl group, cyano-propyl group, and isocyanato-propyl group.Type: GrantFiled: August 29, 2003Date of Patent: September 12, 2006Assignee: LG Cable LTDInventors: Byoung Un Kang, Hyuk Soo Moon, Jong Kul Lee, Kyoung Tae Wi, Tae Sung Kim
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Patent number: 7098288Abstract: Relatively high refractive index polymeric compositions and ophthalmic devices such as for example intraocular lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the copolymerization of one or more aromatic-substituted polysiloxane prepolymers with one or more aromatic monomers, alkylated monomers or hydrophilic monomers.Type: GrantFiled: January 31, 2005Date of Patent: August 29, 2006Assignee: Bausch & Lomb IncorporatedInventors: Yu-Chin Lai, Edmond T. Quinn
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Patent number: 7060849Abstract: A process is provided for the production of isocyanatosilane from silylorganocarbamate by neutralizing the basic catalyst with an acid to provide an inert metal halide salt, and subjecting the reaction mixture to cracking reaction conditions to obtain isocyanatosilane.Type: GrantFiled: September 15, 2005Date of Patent: June 13, 2006Assignee: General Electric CompanyInventors: R. Shawn Childress, Robert E. Sheridan, James L. McIntyre
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Patent number: 7009022Abstract: Flexible, moisture curing ABA triblock copolymers are prepared from poly(alkylene oxide) diols as the B segment and polyester diols as the A block. This backbone is end-capped with siloxy end groups to obtain RTV moisture curing triblocks having high strength and flexibility.Type: GrantFiled: December 15, 2003Date of Patent: March 7, 2006Assignee: Henkel CorporationInventors: Debora E. Duch, Steven T. Nakos, Thomas Fay-Oy Lim
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Patent number: 6979745Abstract: Organosilicon compounds containing isocyanate groups and composed of units (Ia) Ra(R1O)bXcSiO(4-a-b-c)/2, ??(Ia) are prepared by heating organosilicon compounds composed of units (Ib) Ra(R1O)bYcSiO(4-a-b-c)/2, ??(Ib) where X is an SiC- or SiOC-bonded radical of the formula (IIa) —(O)g—Z—NCO, ??(IIa) Y is an SiC- or SiOC-bonded radical of the formula (IIb) —(O)g—Z—NH—C(O)OR2 (IIb), g is 0 or 1, Z is a hydrocarbon spacer, R, R1 and R2 are optionally substituted hydrocarbon radicals, with the proviso that the organosilicon compounds of formula (Ib) possess a halide content of not more than 10,000 ppm by weight.Type: GrantFiled: May 11, 2004Date of Patent: December 27, 2005Assignee: Wacker-Chemie GmbHInventor: Thomas Kornek
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Patent number: 6867319Abstract: A process for the preparation of (D) thiocyanato-bearing organoalkoxysilanes represented by the general formula (3) NCS—R1—Si(OR2)nR33-n wherein R1 is a divalent hydrocarbon group having 1 to 6 carbon atoms, R2 and R3 are monovalent hydrocarbon groups, and the subscript n has a value of from 0 to 3, in which (A) a thiocyanic acid salt represented by the general formula (1) MSCN, wherein M is an alkali metal and (B) a halogenated alkylalkoxysilane represented by the general formula (2) XR1Si(OR2)nR33-n wherein X is a halogen atom, and R1, R2, R3, and the subscript n are the same as above, are reacted in the presence of (C) a phase transfer catalyst.Type: GrantFiled: September 20, 2002Date of Patent: March 15, 2005Assignee: Dow Corning Toray Silicone Company, Ltd.Inventor: Keiji Wakita
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Patent number: 6864342Abstract: Relatively high refractive index polymeric compositions and ophthalmic devices such as for example intraocular lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the copolymerization of one or more aromatic-substituted polysiloxane prepolymers with one or more aromatic monomers, alkylated monomers or hydrophilic monomers.Type: GrantFiled: July 12, 2004Date of Patent: March 8, 2005Assignee: Bausch & Lomb IncorporatedInventors: Yu-Chin Lai, Edmond T. Quinn
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Patent number: 6855792Abstract: The present invention relates to new cross-linking agents and thermosetting paints, which lead to improved properties such as scratch resistance of cured thermosetting paints or exhibit good solubility.Type: GrantFiled: January 31, 2001Date of Patent: February 15, 2005Assignee: Degussa AGInventors: Peter Speier, Friedrich Plogmann, Rainer Lomoelder, Andreas Wenning, Emmanouil Spyrou
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Publication number: 20040266968Abstract: Organosilicon compounds of the general formula I 1Type: ApplicationFiled: June 18, 2004Publication date: December 30, 2004Inventors: Karsten Korth, Philipp Albert, Reimund Pieter, Oliver Klockmann, Andre Hasse, Ulrich Deschler, Susann Witzsche, Inge Kiefer
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Publication number: 20040254326Abstract: Relatively high refractive index polymeric compositions and ophthalmic devices such as for example intraocular lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the copolymerization of one or more aromatic-substituted polysiloxane prepolymers with one or more aromatic monomers, alkylated monomers or hydrophilic monomers.Type: ApplicationFiled: July 12, 2004Publication date: December 16, 2004Inventors: Yu-Chin Lai, Edmond T. Quinn
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Publication number: 20040249179Abstract: Organosilicon compounds containing isocyanate groups and composed of units (Ia)Type: ApplicationFiled: May 11, 2004Publication date: December 9, 2004Applicant: Wacker-Chemie GmbHInventor: Thomas Kornek
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Patent number: 6812361Abstract: The invention relates to a method for producing isocyanato-organosilane of general formula (I) R2R3R4Si—R1—N═C═O. According to said method, gaseous carbamato-organosilane of general formula (II) R2R3R4Si—R1—NH—CO—OR (II), wherein R represents a monovalent C1-C10 alkyl radical, R1 represents a bivalent C1-C6 hydrocarbon radical and R2, R3 and R4 respectively represent a methyl, ethyl, n-propyl, i-propyl, methoxy, ethoxy, n-propoxy or i-propoxy radical, is heated in the presence of a heterogeneous catalyst.Type: GrantFiled: June 20, 2003Date of Patent: November 2, 2004Assignee: Consortium fuer elektrochemische Industrie GmbHInventors: Thomas Kammel, Rainer Winkler, Bernd Pachaly
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Publication number: 20040210075Abstract: A process for the preparation of (D) thiocyanato-bearing organoalkoxysilanes represented by the general formula (3) NCS—R1—Si(OR2)nR33-n wherein R1 is a divalent hydrocarbon group having 1 to 6 carbon atoms, R2 and R3 are monovalent hydrocarbon groups, and the subscript n has a value of from 0 to 3, in which (A) a thiocyanic acid salt represented by the general formula (1) MSCN, wherein M is an alkali metal and (B) a halogenated alkylalkoxysilane represented by the general formula (2) XR1Si(OR2)nR33-n wherein X is a halogen atom, and R1, R2, R3, and the subscript n are the same as above, are reacted in the presence of (C) a phase transfer catalyst.Type: ApplicationFiled: February 24, 2004Publication date: October 21, 2004Applicant: Dow Corning Toray Silicone Company LimitedInventor: Kenji Wakita
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Publication number: 20040176600Abstract: The invention relates to a composition comprising a compound having formula (I): Rf—B—Ro-Z and a compound having formula (II) and/or the reaction product thereof. The invention is suitable for treating surfaces, in particular, transparent substrates.Type: ApplicationFiled: November 12, 2003Publication date: September 9, 2004Inventors: Didier Juhue, Maria Jose Lina, Anne Claire Gayon, Jean-Marc Corpart
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Patent number: 6777522Abstract: Relatively high refractive index polymeric compositions and ophthalmic devices such as for example intraocular lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the copolymerization of one or more aromatic-substituted polysiloxane prepolymers with one or more aromatic monomers, alkylated monomers or hydrophilic monomers.Type: GrantFiled: November 2, 2001Date of Patent: August 17, 2004Assignee: Bausch & Lomb IncorporatedInventors: Yu-Chin Lai, Edmond T. Quinn
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Patent number: 6756465Abstract: A moisture curable compound for bonding substrates and a moisture curable adhesive composition are provided. The adhesive composition includes an alkoxysilane functional urethane compound having hydrolyzable alkoxysilane groups anchored on a flexible backbone. Also provided are processes for the preparation of the moisture curable compounds and a method of using them as moisture curable adhesives for bonding substrates to produce bonded composites.Type: GrantFiled: October 19, 2001Date of Patent: June 29, 2004Assignee: Henkel Loctite CorporationInventors: Anthony Francis Jacobine, Steven Thomas Nakos
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Publication number: 20040099975Abstract: A method of preparing a surface modifier for nanoparticles, and a dispersion of inorganic oxide nanoparticles are provided. The surface modifier is formed by hydrolyzing 1 part by weight of an alkoxysilane compound with 1˜9 parts by weight of an alcohol/water solution, and the alkoxysilane compound is hydrolyzed to form a silanol. The weight ratio of alcohol to water is 60:40˜95:5. The alcohol/water solution can control the degree of forming of silanol, and thus prevents self-condensation of the silanol. The dispersion is formed by dispersing inorganic oxide nanoparticles in the aforesaid surface modifier, and can be used in the manufacture of inorganic-organic polymeric functional materials, especially anti-UV polyester products.Type: ApplicationFiled: March 27, 2003Publication date: May 27, 2004Applicant: Far Eastern Textile Ltd.Inventors: Ru-Yu Wu, Jeng-Gung Wang, Shiaw-Tseh Chiang
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Publication number: 20040049064Abstract: The invention relates to a method for producing isocyanato-organosilane of general formula (I) R2R3R4Si—R1—N═C═O. According to said method, gaseous carbamato-organosilane of general formula (II) R2R3R4Si—R1—NH—CO—OR (II), wherein R represents a monovatlent C1-C10 alkyl radical, R1 represents a bivalent C1-C6 hydrocarbon radical and R2, R3 and R4 respectively represent a methyl, ethyl, n-propyl, i-propyl, methoxy, ethoxy, n-propoxy or i-propoxy radical, is heated in the presence of a heterogeneous catalyst.Type: ApplicationFiled: June 20, 2003Publication date: March 11, 2004Inventors: Thomas Kammel, Rainer Winkler, Bernd Pachaly
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Patent number: 6646088Abstract: This invention relates to chemical compositions comprising one or more urethane oligomers of at least two repeating units selected from the group consisting of fluorine-containing urethane oligomers and long-chain hydrocarbon-containing urethane oligomers. These urethane oligomers comprise the reaction product of (a) one or, more polyfunctional isocyanate compounds; (b) one or more polyols; (c) one or more monoalcohols selected from the group consisting of fluorochemical monoalcohols, optionally substituted long-chain hydrocarbon monoalcohols, and mixtures thereof; (d) one or more silanes; and optionally (e) one or more water-solubilizing compounds comprising one or more water-solubilizing groups and at least one isocyanate-reactive hydrogen containing group. The chemical compositions of the present invention can be applied as coatings and these coatings can impart stain-release characteristics and resist being worn-off due to wear and abrasion.Type: GrantFiled: March 26, 2002Date of Patent: November 11, 2003Assignee: 3M Innovative Properties CompanyInventors: Wayne W. Fan, Steven J. Martin, Zai-Ming Qiu, Michael S. Terrazas, Linda G. Coté, Mitchell T. Johnson, Larry A. Lien
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Patent number: 6596819Abstract: A polyisocyanate curing agent for laminate adhesive, comprising: (A) an isocyanate group-terminated prepolymer having isocyanurate group and urethane group, obtained by reacting an organic polyisocyanate containing at least (a1) an aromatic diisocyanate with an active hydrogen group-containing compound containing at least (a2) a diol compound having a number-average molecular weight of 100 to 2,000, and, as an optional component, (B) an isocyanate group-terminated prepolymer having urethane group, and, also as an optional component, (C) a silane coupling agent represented by the following general formula (1): OCN—(CH2)m—Si(OR)3 (1) (wherein R is a methyl group or an ethyl group, and m is an integer of 1 to 5); and a process for producing the polyisocyanate curing agent. The polyisocyanate curing agent is usable in a laminate adhesive which can be aged in a short time without shortening the pot life, which has good adhesivity, and which can withstand a severe retort treatment.Type: GrantFiled: July 27, 2001Date of Patent: July 22, 2003Assignee: Nippon Polyurethane Industry Co., Ltd.Inventors: Yukihiro Morikawa, Ichiro Higashikubo, Kouji Yoshida, Toshiaki Sasahara
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Patent number: 6593418Abstract: The present invention concerns new organic silicon networks, their production process and use in silica-containing rubber compounds and vulcanizates manufactured from them.Type: GrantFiled: September 12, 2001Date of Patent: July 15, 2003Assignee: Rhein Chemie Rheinau GmbHInventors: Rüdiger Herpich, Thomas Früh, Ludger Heiliger, Kurt Schilling
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Patent number: 6545087Abstract: This invention relates to polyurethane prepolymers which comprise alkoxysilane terminal groups and which are based on special, very high molecular weight polyurethane prepolymers, to a method of producing them and to their use as binders for low-modulus sealing materials.Type: GrantFiled: April 12, 2001Date of Patent: April 8, 2003Assignee: Bayer AktiengesellschaftInventors: Lutz Schmalstieg, Ralf Lemmerz, Marie-Helene Walter, Oswald Wilmes
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Patent number: 6515096Abstract: Stable 1:1 monoadducts of secondary aminoalkylalkoxy-silanes and diisocyanates, and a process for preparing them.Type: GrantFiled: February 7, 2001Date of Patent: February 4, 2003Assignee: Degussa AGInventors: Manuela Windmueller, Stephan Kohlstruk
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Patent number: 6451101Abstract: There is disclosed a parting agent comprising the reaction product of an isocyanate compound and an isocyanate-reactive compound of the general structure R-(ao)n-Y wherein: R is a hydrophobic group containing alkyl, alkaryl, polyaryl, or siloxane moieties; (ao) is an alkylene oxide or mixture of alkylene oxides such as ethylene oxide, propylene oxide, butylene oxide, and mixtures thereof; n is about 1 to about 25; and Y represents a monofunctional isocyanate-reactive group. There is also disclosed the processes that may be utilized to produce the parting agent.Type: GrantFiled: December 29, 2000Date of Patent: September 17, 2002Assignee: BASF CorporationInventors: Donald C. Mente, Li-Mei Lu, David D. Peters, Joe C. Wilson, Anthony G. Schaefer
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Publication number: 20020052520Abstract: The invention relates to a process for preparing a silane of the formula IType: ApplicationFiled: September 27, 2001Publication date: May 2, 2002Inventors: Andreas Bauer, Oliver Schafer, Markus Kriegbaum, Leonhard Brader, Bernd Pachaly, Volker Frey
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Publication number: 20020022734Abstract: The invention relates to the preparation and use of polyfluoro-alkylsilanes of formula (I) 1Type: ApplicationFiled: June 29, 2001Publication date: February 21, 2002Inventors: Albrecht Marhold, Jurgen Wiedemann, Sebastian Bach
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Publication number: 20020016486Abstract: Processes for preparing carbamatoorganosilanes from aminoorganosilanes, ureas and alcohols. These compounds are useful for surface modification of inorganic and organic materials, as adhesion promoters between inorganic materials and organic polymers, as crosslinking agents for the moisture-curing of polymers, for PU sealants, in the coating and adhesive sector, and for the production of biologically active products, such as insecticides and herbicides.Type: ApplicationFiled: December 14, 1999Publication date: February 7, 2002Inventor: KLAUS PINSKE
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Patent number: 6258969Abstract: A polyalkoxysiloxane of the following rational formula: SiOa(OR)b(OH)c wherein R is a C1-4 alkyl group, a=0.86 to 1.30, b=2.18 to 1.30, and c≦0.10.Type: GrantFiled: October 2, 1996Date of Patent: July 10, 2001Assignee: Mitsubishi Chemical CorporationInventors: Takeshi Sawai, Hanako Kato, Seiichiro Tanaka, Akihiro Takazawa, Haruo Katsumata, Hozumi Endo
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Patent number: 6153782Abstract: A method for the production of organosilanes functionalized in 3-position by reacting suitable allyl compounds with hydrogen silanes in the presence of a multielement catalyst containing platinum and at least one other element.Type: GrantFiled: December 10, 1999Date of Patent: November 28, 2000Assignee: Degussa-Huls AGInventors: Thomas Krauter, Steffen Seebald, Christoph Batz-Sohn, Ralf Karch, Matthias Prinz, Hermanus Gerhardus Jozef Lansink Rotgerink
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Patent number: 6057415Abstract: The present invention relates to compounds having an isocyanate group content (calculated as NCO, MW 42) of 0.2 to 20% by weight and an alkoxysilane group content (calculated as Si, MW 28) of 0.2 to 4.5% by weight, wherein the preceding percentages are the weight of the compounds, and containing sufficient chemically incorporated hydrophilic groups to form a stable dispersion in water, wherein the alkoxysilane groups are incorporated as the reaction product ofi) a polyisocyanate component having a minimum average functionality of 2.4 and containing at least 50% by weight of polyisocyanate adducts andii) compounds containing secondary amino groups and alkoxysilane groups.The present invention is also directed to the use of these compounds in admixture with isocyanate-reactive resins in aqueous, two-component coating, adhesive and sealant compositions.Type: GrantFiled: April 9, 1998Date of Patent: May 2, 2000Assignees: Bayer Corporation, Bayer AktiengesellschaftInventors: Richard R. Roesler, Myron W. Shaffer, Poli Yu, Lutz Schmalstieg
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Patent number: 6008396Abstract: Disclosed is a process for making isocyanatoorganosilane by adding a carbamatoorganosilane of the general formula to an inert liquid medium and holding the mixture thus formed at a temperature and pressure effective to convert said carbamatoorganosilane to isocyanatoorganosilane.Type: GrantFiled: March 13, 1998Date of Patent: December 28, 1999Assignee: OSI Specialties, Inc.Inventors: Robert E. Sheridan, Kenneth W. Hartman
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Patent number: 6005129Abstract: After a solution of chloropropyltriethoxysilane and sodium thiocyanate react in ethanol to form a thiocyanatopropyltriethoxysilane suspension, salt resulting from the reacting step is removed from the ethanol-containing centrifugate and washed. The first embodiment for manufacturing thiocyanatopropyltriethoxysilane includes adding the wash ethanol to the solution in the reacting step, distilling the centrifugate to remove ethanol, and removing solids from a thiocyanatopropyltriethoxysilane residue resulting from the distilling step. The ethanol from the distilling step may be used to wash the salt separated in the centrifugating step.Type: GrantFiled: February 9, 1999Date of Patent: December 21, 1999Assignee: Degussa CorporationInventors: Helmut W. Droge, Hui-Li Yang
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Patent number: 5990257Abstract: Silylated polyurethanes exhibiting a superior combination of mechanical properties and which cure in reasonable time to a low-tack sealant, without excessive viscosity, are prepared by reacting a polyol component having terminal unsaturation of less than 0.2 meq/g with a diisocyanate component to form a hydroxyl-terminated prepolymer, and endcapping the prepolymer with an isocyanate silane of the formula OCN--R--Si--(X).sub.m (--OR.sup.1).sub.3-m wherein m is 0, 1 or 2, each R.sup.1 is alkyl containing 1 to 4 carbon atoms, each X is alkyl containing 1 to 4 carbon atoms, and R is a difunctional organic group.Type: GrantFiled: January 22, 1998Date of Patent: November 23, 1999Assignee: Witco CorporationInventors: Robert R. Johnston, Patrice Lehmann
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Patent number: 5955561Abstract: Novel hydroxy ester, hydroxy amide, and amide functional compounds are provided comprising the reaction product of:(a) an active ester functional material having the structure: ##STR1## wherein R.sup.1 is derived from a polyisocyanate; m is at least 2; R.sup.2 is a lower alkyl or alkoxy group; and R.sup.3 is a lower alkyl group; and(b) ammonia, a diol, or an amino functional material having the structure:R.sup.4 --NH--(R.sup.5).sub.x --(R.sup.6 OR.sup.7).sub.ywherein R.sup.4 is --H or alkanol; R.sup.5 is a polyvalent linking group comprising alkylene, alkylamino, urethane, or amido; x is 0 or 1; R.sup.6 is a divalent linking group comprising alkylene, silane, or siloxane; R.sup.7 is H or a lower alkyl; and y is 1 to 3. The compound is useful in curable film-forming compositions.Type: GrantFiled: December 19, 1997Date of Patent: September 21, 1999Assignee: PPG Industries Ohio, Inc.Inventor: Padmanabhan Sundararaman
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Patent number: 5905150Abstract: An improved process for preparing a nitrogen or oxygen containing organoalkoxysilane such as an isocyanurate or fumarate by reacting a haloalkylaikoxysilane such as a chloropropytrimethoxysilane and a reactant of either a cyanate or an ammonium salt of an organic acid of C1-C20 carbon atoms or a metal salt of an organic acid of C1-C20 carbon atoms or mixtures thereof to a reaction temperature of at least about 80.degree. C. to about 200.degree. C., the improvement is in carrying out the reaction in the presence of a guanidinium salt phase as a transfer catalyst such as hexaethylguanidinium chloride. The improved process also is reacted wherein the temperature increase from the exotherm reaction above the reaction temperature ranges from about 0.degree. C. to about 120.degree. C. A preferred metal cyanate is sodium cyanate.Type: GrantFiled: August 27, 1997Date of Patent: May 18, 1999Assignee: General Electric CompanyInventors: Amy Kathleen Simonian, Jimmy Lynn Webb, Daniel Joseph Brunelle, Timothy Edward Banach, Slawomir Rubinsztajn
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Patent number: 5886205Abstract: A process for producing silicon-containing isocyanate compounds of the general formula II, comprising thermally induced decomposition of a silicon-containing carbamic ester of the general formula I at a pH of not higher than 8 in the presence of a catalyst of at least one metal or its compound.General Formula I: ##STR1## General Formula II: ##STR2## wherein R.sup.1 to R.sup.6 and R.sup.8 each represent a hydrocarbon group, R.sup.7 represents an alkylene group having 1 to 8 carbon atoms, n, m and l represent an integer of 0 to 3 and m+n+l=3, and a, b and c represent integers of 0 to 3, 0 to 2, and 0 to 8, respectively.Type: GrantFiled: April 10, 1997Date of Patent: March 23, 1999Assignee: Takeda Chemical Industries, Ltd.Inventors: Takashi Uchida, Hiroya Okumura, Takashi Shibata, Masaaki Sasaki
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Patent number: 5831110Abstract: According to the present invention there is disclosed a process for producing a fluorine-containing siloxane compound represented by the formula (3): ##STR1## ?wherein A is a fluorine-containing organic group represented by the formula (4): ##STR2## (wherein R.sup.1 and R.sup.2 are each independently a fluorine atom or a trifluoromethyl group, R.sup.3 is a hydrogen atom or a straight chain or branched chain hydrocarbon group having 1 to 8 carbon atoms, k is an integer of 0 to 16, m is an integer of 0 to 30, n is 0 or 1, and p is an integer of 0 to 9); r is an integer of 1 to 3; R.sup.4 is a monovalent hydrocarbon group having 1 to 6 carbon atoms; and B.sup.1 is a hydrogen atom, a methacryloxypropyl group or a vinyl group!, which process comprises reacting a fluorine-containing silane represented by the formula (1): ##STR3## (wherein R.sup.1, R.sup.2, R.sup.3, k, m, n and p have the same definitions as given above) with a chlorosilane represented by the formula (2): ##STR4## (wherein R.sup.4, B.sup.Type: GrantFiled: March 17, 1998Date of Patent: November 3, 1998Assignee: Chisso CorporationInventors: Yuichi Isoda, Koichi Ayama
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Patent number: 5798409Abstract: The present invention relates to two-part reactive polyurethane compositons and the cured coatings prepared therefrom. The invention also relates to particular compositions and cured coatings therefrom that exhibit high damping character, excellent scratch-resistance, excellent mar-resistance, and self-healing characteristics. The invention also relates to a novel polyurethane prepolymer useful in some ofthe compositions. The invention also relates to method of making certain coatings of the invention.Type: GrantFiled: April 1, 1997Date of Patent: August 25, 1998Assignee: Minnesota Mining & Manufacturing CompanyInventor: Chia-Tie Ho
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Patent number: 5703159Abstract: Resins having a group reactive with an isocyanate group on a side chain are modified with isocyanatosiloxanes. In one form, the isocyanatosiloxane is a single end isocyanatosiloxane obtained by effecting addition reaction between a single end hydrogenosiloxane and an isocyanate group-containing organic silicon compound having one isocyanate group and at least one aliphatic unsaturated hydrocarbon group. A single end isocyanatosiloxane obtained by introducing an isocyanate group into a single end primary aminosiloxane is also useful. In another form, the isocyanatosiloxane is a polyfunctional isocyanatosiloxane which is obtained by effecting addition reaction between a hydrogenosiloxane having at least two SiH groups and an isocyanate group-containing organic silicon compound having one isocyanate group and one aliphatic unsaturated hydrocarbon group.Type: GrantFiled: December 11, 1995Date of Patent: December 30, 1997Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Shoji Ichinohe, Toshio Yamazaki, Akira Yamamoto
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Patent number: 5616762Abstract: 3-Halo- and pseudohalo-alkylsilane esters are prepared by reacting an allyl X compound or a compound containing an allyl X structure with a hydridosilane ester in the presence of an iridium catalyst prepared under specific conditions and/or the reaction medium containing a 0.01-100 mol % excess of the allyl X compound or compound containing the allyl X unit relative to the amount of hydridosilane ester reactant.Type: GrantFiled: October 25, 1995Date of Patent: April 1, 1997Assignee: Huels AktiengesellschaftInventors: Frank Kropfgans, Albert Frings, Michael Horn, Hans-Joachim Koetzsch, Jaroslaw Monkiewicz, Claus-Dietrich Seiler, Hans-Guenther Srebny, Burkhard Standke
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Patent number: 5574122Abstract: The present invention is directed to a polyisocyanate mixturei) having an NCO content of 5 to 35% by weight and prepared from an organic diisocyanate,ii) containing up to 25% by weight of isocyanurate groups (calculated as N.sub.3, C.sub.3, O.sub.3, MW 126),iii) containing allophanate groups in an amount such that there are more equivalents of allophanate groups than urethane or urea groups and such that the polyisocyanate mixture remains stable and homogeneous in storage for 3 months at 25.degree. C. andiv) containing siloxane groups (calculated as SiO, MW 44) in an amount of 0.002 to 50% by weight,wherein the preceding percentages are based on the solids content of the polyisocyanate mixture, excluding any unreacted organic diisocyanate, and wherein the siloxane groups are incorporated by reacting an isocyanate group with a compound containing one isocyanate-reactive group directly attached to a carbon atom and one or more siloxane groups.Type: GrantFiled: September 29, 1995Date of Patent: November 12, 1996Assignee: Bayer CorporationInventors: Philip E. Yeske, Edward P. Squiller, William E. Slack
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Patent number: 5541347Abstract: The present invention provides a novel synthesis of the compounds of Formula (I): ##STR1## The compounds are produced in high yield and without utilizing expensive chromatographic separations. The synthesis is particularly advantageous because it is stereoselective.Type: GrantFiled: October 3, 1994Date of Patent: July 30, 1996Assignee: Eli Lilly and CompanyInventors: Margaret M. Faul, Michael R. Jirousek, Leonard L. Winneroski II
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Patent number: 5523443Abstract: Ultraviolet curable polymerizable systems having a built-in secondary curing mechanism are disclosed. The polymerizable coating system is a one component system comprising at least one alkoxysilyl-urethane-acrylate or methacrylate, an acrylate or methacrylate or vinyl ether diluent. The coating systems may include a polymerization initiator of the cationic or free radical photoinitiator type, and a metal catalyst. The coating system is UV curable, and also possesses an additional cure mechanism.Type: GrantFiled: October 8, 1993Date of Patent: June 4, 1996Assignee: CasChem, Inc.Inventor: Kamlesh Gaglani
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Patent number: 5426204Abstract: A novel coating for glass with an adhesive strength of >45 Kg/cm.sup.2 and improved resistance to moisture and sunlight, which may contain opacifying pigments for decorating glass surfaces, is a hard (Shore D 84), crosslinked siloxane-urea, siloxane-urethane, siloxane-sulfide or siloxane-amide which adheres covalently to the glass surface and is resistant to scratching and delamination.Type: GrantFiled: September 12, 1994Date of Patent: June 20, 1995Assignee: Ciba-Geigy CorporationInventors: Paul Harisiades, Kirtland P. Clark
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Patent number: 5412132Abstract: A novel isocyanato-endcapped siloxane compound and a method of preparation are disclosed, and which can be further copolymerized with a variety of thermoplastic resins containing active hydrogen substituents such as polycarbonates and polyphenylene ethers.Type: GrantFiled: April 28, 1994Date of Patent: May 2, 1995Assignee: General Electric CompanyInventors: Michael A. Lucarelli, William J. Raleigh, Larry N. Lewis
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Patent number: 5399737Abstract: Novel quaternary ammonium siloxane compounds and methods for their use are disclosed.Type: GrantFiled: April 4, 1994Date of Patent: March 21, 1995Assignee: Alcon Laboratories, Inc.Inventors: Joonsup Park, Joseph J. Falcetta
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Patent number: 5393910Abstract: A method is described for the preparation of an isocyanatoorganosilane by an elevated temperature thermally induced decomposition of a carbamatoorganosilane in the gas phase preferably under ambient or reduced pressure.Type: GrantFiled: October 20, 1993Date of Patent: February 28, 1995Assignee: OSi Specialties, Inc.Inventors: Jeffrey Y. P. Mui, Mark P. Bowman
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Patent number: 5389619Abstract: Compounds of the formula I ##STR1## where n, W, X, Y, Z, R.sup.1, R.sup.2, and R.sup.3 are as defined herein exhibit fungicidal, insecticidal, and acaracidal activity.Type: GrantFiled: March 29, 1993Date of Patent: February 14, 1995Assignee: BASF AktiengesellschaftInventors: Reinhard Doetzer, Hubert Sauter, Horst Wingert, Reinhard Kirstgen, Albrecht Harreus, Gisela Lorenz, Eberhard Ammermann
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Patent number: 5326893Abstract: Compounds are prepared which have at least one aromatic cyanate group and at least one organosiloxane moiety per molecule. These compounds when cured possess excellent thermal stability, moisture resistance properties and a low dielectric constant.Type: GrantFiled: October 27, 1993Date of Patent: July 5, 1994Assignee: The Dow Chemical CompanyInventors: Zeng K. Liao, Chun S. Wang