Heterocyclic Reactant Patents (Class 524/868)
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Patent number: 11549021Abstract: Compositions and methods are described which provide a protective coating to coils or springs via a polymerization process such as by covalent bonding that includes grafting to the metal surface.Type: GrantFiled: September 29, 2020Date of Patent: January 10, 2023Assignee: Winimac Coil Spring, Inc.Inventors: Paul Thottathil, John M. Ryan, Purushothaman Kesavan, Satyabrata Mukherjee
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Publication number: 20150060113Abstract: A photocurable composition includes an acid-generating compound, a multifunctional epoxy resin, and an epoxysilane oligomer represented by the following Structure (I): wherein R1 is a substituted or unsubstituted alkyl group, R2 is a substituted or unsubstituted linear, branched, or cyclic alkyl group or an alkyl ether residue substituted with an epoxide, R3 is hydrogen or a substituted or unsubstituted alkyl, and x+y?2. The photocurable composition can be provided as a photoresist layer on a substrate, and can then be imprinted to form a pattern of micro-channels. These micro-channels can be filled with a conductive composition (ink) and used to form an entrenched pattern of micro-wires to provide a transparent conductive electrode.Type: ApplicationFiled: September 4, 2013Publication date: March 5, 2015Inventors: Yongcai Wang, John Andrew Lebens, John DiCillo
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Publication number: 20140288207Abstract: The present invention relates to a curable composition comprising at least one nonexclusively terminally alkoxysilylated alkoxylation product and at least one curing catalyst, which is characterized in that the nonexclusively terminally alkoxysilylated alkoxylation product is a prepolymer having an average of between 2.0 and 8.0 ethoxysilyl functions per prepolymer, and to sealants and/or adhesives comprising this curable composition, and to the use of the curable composition or the sealant and adhesive.Type: ApplicationFiled: March 21, 2012Publication date: September 25, 2014Inventor: Stephan Roessing
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Publication number: 20140255832Abstract: A hardcoat composition comprises (a) an epoxy silane compound, (b) a reactive silicone additive and (c) photo-acid generator. The reactive silicone additive has one of the following general structures:formula (I) or X—SiR1R2—(O—SiR1R2)n-X (Formula 2) wherein: R1, R2, and R3 are independently a C1-C6 alkyl group or aromatic group with or without substitution; X is a curable group selected from —OH, —OR, —OC(0)R, —OSiY?Y3, —CHzCHrL-SiYVY3, and —C(O)(R)3, wherein: L is a divalent linkage group; Y1, Y2, and Y3 are independently selected from a C1-C6 alkyl group, and a curable group selected from —OH, —OC(O)R, and —OR, with the proviso that at least one of Y1, Y2, and Y3 is a curable group; R is a C1-C4 alkyl group; and n is at least 2 and m is at least 1, provided that the weight average molecular weight (Mw) of the reactive silicone additive is no more than 4200.Type: ApplicationFiled: October 17, 2012Publication date: September 11, 2014Inventor: Zai-Ming Qiu
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Publication number: 20140249273Abstract: The below compound, which may be made by reacting a 3-trialkoxysilylpropyl amine with an acrylic acid ester, a methacrylic acid ester, a diester of maleic acid, a diester of fumaric acid, or acrylonitrile to form a secondary amino propylalkoxysilane, and reacting the secondary amino propylalkoxysilane with an isocyanate. R1 is an alkyl group, X is —CHR3—CHR4—CO—O—R2 or —CH2—CH2—CN, R2 is an organic group, R3 is —H or —CO—O—R2, R4 is —H or —CH3, but R4 is —H if R3 is —CO—O—R2, R5 is an aliphatic group or a residue of hexamethylene diisocyanate cyclic trimer or hexamethylene diisocyanate cyclic dimer, and n is 2 or 3. The below compound, which may be made by reacting a 3-trialkoxysilylpropyl amine with acrylonitrile. R1 is an alkyl group.Type: ApplicationFiled: February 26, 2014Publication date: September 4, 2014Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Arthur A. Webb, Jozef Verborgt
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Publication number: 20140162069Abstract: A coating composition comprising (A) a UV-absorbing functionality-bearing alkoxysilane, (B) colloidal silica, (C) a multifunctional alkoxysilane and/or a partial hydrolytic condensate thereof, and (D) phosphoric acid is applicable and curable to resin substrates, typically polycarbonate substrates without a need for primer, heat or UV. On curing, it forms a film having transparency, mar resistance, and UV screening properties.Type: ApplicationFiled: December 6, 2013Publication date: June 12, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Motoo FUKUSHIMA, Yukimasa AOKI, Masahiro YOSHIZAWA
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Publication number: 20140147665Abstract: Imparting superior electrification preventing or reducing properties to a cured silicone product without inhibiting adhesion between a substrate and the cured silicone product when integrating the substrate and the cured silicone product via a primer layer. A condensation reaction curable primer composition comprising a lithium salt (a) and a polyether modified polysiloxane (b); and a laminate obtained by integrating a substrate and a cured silicone product using an electrification preventing or reducing primer layer (cured product of the composition).Type: ApplicationFiled: January 30, 2012Publication date: May 29, 2014Applicant: Dow Corning Toray Co., Ltd.Inventors: Hidefumi Tanaka, Toshikazu Tani, Syuji Yamada, Takateru Yamada
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Publication number: 20140128542Abstract: Disclosed is an inorganic composition for transferring a fine unevenness by which a fine unevenness made of an inorganic material capable of controlling a refractive index can be fabricated through a suitable transfer process. The composition according to the present invention contains a silicone compound and at least two types of metal alkoxides, wherein the metal alkoxides include a metal alkoxide having a metal species M1 (where M1 denotes at least one metal element selected from a group consisting of Ti, Zr, Zn, Sn, B, In, and Al) and a metal alkoxide having a metal species Si. In addition, a ratio between a molarity CM1 of the metal alkoxide having the metal species M1 and a molarity CSi of the metal alkoxide having the metal species Si in the inorganic composition for transferring a fine unevenness satisfies a condition of 0.2?CM1/CSi?24.Type: ApplicationFiled: June 18, 2012Publication date: May 8, 2014Applicant: ASAHI KASEI KABUSHIKI KAISHAInventor: Jun Koike
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Patent number: 8328929Abstract: Silicone compositions that are cationically crosslinkable into hard, anti-mist/anti-fouling coatings, e.g., onto thermoplastic substrates, contain colloidal particles of non-functionalized silica and also: at least one crosslinkable and/or polymerizable silicone monomer, oligomer and/or polymer comprising: at least one structural unit of formula (I): Z1(R0)aSiO(3-a)/2??(I) in which: a=0, 1 or 2; the radicals R0, which may be identical or different when a>1, are each an alkyl, cycloalkyl, aryl, vinyl, or alkoxy radical, or a hydrogen atom; the radicals Z1, which may be identical or different when the number of units of formula (I) is greater than 1, are each an organic substituent comprising at least one epoxy and/or alkenyl ether and/or oxetane and/or dioxolane and/or carbonate reactive functional group; and a total number of silicon atoms per molecule at least equal to 2; and an effective amount of at least one cationic initiator; and optionally, at least one organic solvent.Type: GrantFiled: March 26, 2007Date of Patent: December 11, 2012Assignee: Bluestar Silicones France SASInventors: Martial Deruelle, Jean-Marc Frances, Michel Feder
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Publication number: 20120219793Abstract: Embodiments of the present disclosure include functionalized polyhedral oligomeric silsesquioxane compositions or mixtures, methods of using functionalized polyhedral oligomeric silsesquioxane compositions, structures including functionalized polyhedral oligomeric silsesquioxane, and the like.Type: ApplicationFiled: November 9, 2010Publication date: August 30, 2012Inventors: Nathan Fritz, Paul Kohl, Rajarshi Saha
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Publication number: 20120029090Abstract: Modified alkoxylation products of the formula (I), their use and processes for preparing themType: ApplicationFiled: August 1, 2011Publication date: February 2, 2012Applicant: EVONIK GOLDSCHMIDT GMBHInventors: Bastian Matthias Brugger, Melanie Roessing, Matthias Lobert, Frank Schubert, Tammo Boinowitz, Michael Ferenz
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Publication number: 20100273937Abstract: An organosilicon compound which is obtained by subjecting a compound (A), a compound (B) and a compound (C) to hydrosilylation reaction: (A) silicone and/or silsesquioxane that has two or more Si—H groups per one molecule and has a molecular weight of 100 to 500,000; (B) silicone and/or silsesquioxane that has two or more alkenyl groups per one molecule and has a molecular weight of 100 to 500,000; and (C) a compound that has one or more epoxy or oxetanyl group and an alkenyl group having 2 to 18 carbon atoms per one molecule.Type: ApplicationFiled: April 22, 2010Publication date: October 28, 2010Applicant: CHISSO CORPORATIONInventors: AKIO TAJIMA, KAZUHIRO YOSHIDA
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Publication number: 20100148666Abstract: An encapsulant composition is provided. The encapsulant composition includes at least one silicone resin monomer and at least one resin monomer selected from the group consisting of acrylic resin monomers and epoxy resin monomers, a filler of about 0.1-15 wt % of the encapsulant composition, and an initiator. The invention also provides a method for fabricating an encapsulant material.Type: ApplicationFiled: December 16, 2009Publication date: June 17, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Lung-Chang Liu, Ming-Hua Chung, Tsung-Ju Hsu, Chih-Fen Chang, Jen-Hao Chen
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Patent number: 6780518Abstract: A silicone rubber adhesive composition comprising (A) a heat curable organopolysiloxane composition of the addition curing type or peroxide curing type, (B) reinforcing silica fines, and (C) an organic compound or organosilicon compound having an epoxy equivalent of 100-5,000 g/mol and containing at least one aromatic ring in a molecule is easily moldable within a short time by injection molding, suitable in primerless molding, and bondable with various thermoplastic resins. Integrally molded articles in which the silicone rubber adhesive composition is firmly bonded to the thermoplastic resin are obtainable without a need for modification of the resin.Type: GrantFiled: January 4, 2002Date of Patent: August 24, 2004Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Syuuichi Azechi, Naoki Yamakawa
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Patent number: 6743510Abstract: A composition comprising a cationic polymerization compound and a porous fine particle, a coating made from the composition and a laminated plate comprising a substrate and the coating are provided. The coating is superior in adhering properties to a substrate and is equipped with an adequate hardness.Type: GrantFiled: November 7, 2002Date of Patent: June 1, 2004Assignee: Sumitomo Chemical Company, LimitedInventor: Shinsuke Ochiai
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Patent number: 6506496Abstract: A heat-settable composition for a coating which is hydrophobic, oleophobic and resistant to abrasion, wherein the coating contains a hydrolyzate obtained from a solution of: one or more epoxidized alkoxysilane having alkoxy groups which are directly linked to the silicon atom; a hydrolyzable, non-epoxidized silane; colloidal silica; a catalyst which promotes cleavage of an epoxy bond; and at least one fluorinated hydrolyzable alkylsilane; and the use of the heat-settable composition in the preparation of a coated substrate of organic glass or mineral glass material, coated with a coating obtained from the heat-settable composition, with the substrate preferably being a pane (comprised of glass or a polymeric material) or an ophthalmic lens.Type: GrantFiled: March 29, 1995Date of Patent: January 14, 2003Assignee: Saint-Gobain Glass FranceInventors: Dominique Frugier, Pascal Chartier, Philippe Vaneeckhoutte, Yves Leclaire, Anne Robert
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Patent number: 6048927Abstract: A method for forming a fiber treating composition comprising contacting an aminofunctional polysiloxane comprising at least one aminofunctional siloxy unit with a mixture comprising a lactone and an alkylsulfate of benzimidazole thereby effecting formation of an amide-functional polysiloxane in admixture with the alkylsulfate of benzimidazole. The composition formed by the method is particularly useful for treating textiles such as cotton and cotton-synthetic blends to provide good softness and water absorbency and improved whiteness and treatment durability.Type: GrantFiled: March 1, 1999Date of Patent: April 11, 2000Assignee: Dow Corning CorporationInventor: Howard Edwin Griffin
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Patent number: 6022050Abstract: A release coating composition containing about 50 to about 75 wt. % of an epoxy functional silicone; about 8 to about 25 wt. % of a reactive solvent; about 5 to about 25 wt. % of a reactive diluent; about 6 to about 12 wt. % of a wax-treated silica powder; and, about 2 to about 4 wt. % of a photoinitiator is disclosed. The composition is useful in preparing a low-gloss release coating for use on linerless labels.Type: GrantFiled: September 2, 1998Date of Patent: February 8, 2000Assignee: Monarch Marking Systems, Inc.Inventor: James R. Kline
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Patent number: 5994456Abstract: A composition comprising (A) at least one mercapto-functional organosilicon compound having an average of a least two mercapto groups per molecule and (B) a cure initiator. The mercapto-functional organosilicon compound may include mercapto-functional organosilanes, mercapto-functional organosiloxanes, and mercapto-functional copolymers. The compositions of the present invention polymerize or cure to form compositions comprising reaction products of components (A) and (B). The cure initiator is a metal salt that produces a uniform cure throughout the composition, regardless of the amount of oxygen present. The cured products range in properties from soft gels to though elastomers to hard resins and are useful as molded articles, electrical encapsulants, and sealants.Type: GrantFiled: April 9, 1998Date of Patent: November 30, 1999Assignee: Dow Corning CorporationInventors: Jerome Melvin Klosowski, Sarah Severson Snow
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Patent number: 5866262Abstract: Dipcoated Rx spectacle lenses require coating scratch resistance, tinting and/or AR coating processes. Chemically, fully-hydrolized copolymers of amino silane and epoxide silane form the chemical backbone of these heat-curing hardcoats, although polyfunctional organic resin modifiers may also "co-cure" into the backbone. The liquid coating copolymer is made in three chemical reactions: (1) fully hydrolizing the two silane Components A&B separately, with a stoichemetric excess of water; (2) ketimine formation, to latently cap the amine functionality; (3) "bodying" the liquid hardcoating to a desired degree of copolymerization, by reacting together the fully hydrolized ketimine silane Component B with the fully hydrolized epoxide-functional silane Component A. Dilution is with the selected resin modifier(s) ketone and alcohol solvent. The resin modifier has at least two organo-functional reactive groups per molecule, of epoxide or melamine or hydroxyl or urea families.Type: GrantFiled: April 7, 1997Date of Patent: February 2, 1999Assignee: Galic Maus VenturesInventors: George J. Galic, Steven M. Maus
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Patent number: 5698653Abstract: A non-corrosive translucent room temperature vulcanizable silicone composition consists essentially of an alkyl alkoxy stopped diorganopolysiloxane, a polyalkoxysilane crosslinking agent and a tetra alkyl titanate condensation cure catalyst.Type: GrantFiled: May 10, 1996Date of Patent: December 16, 1997Assignee: General Electric CompanyInventors: Gary M. Lucas, Jeffrey H. Wengrovius
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Patent number: 5674936Abstract: A room temperature vulcanizable silicone composition having an application rate greater than 150 g/min. and good thixotropy comprises an alkyl alkoxy stopped diorganopolysiloxane, a polyalkoxysilane crosslinking agent, a tetra alkyl titanate condensation cure catalyst, and 1,3,5-tris(alkoxysilylalkyl)isocyanurate.Type: GrantFiled: July 30, 1996Date of Patent: October 7, 1997Assignee: General Electric CompanyInventor: Gary M. Lucas
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Patent number: 5663227Abstract: An improved release agent for linerless pressure sensitive postage stamps, comprising a low adhesion backsize, preferably organo polysiloxane polyurea block copolymer, as disclosed by Tushaus, et al. (U.S. Pat. No. 5,290,615), containing therein a dispersion of calcium carbonate in the range of 2 to 7 percent by weight, and polyvinyl pyrrolidone in the range of 4 to 10 percent. The combined level of both additives to said low adhesion backsize is about 8 to 12 percent. The preferred levels of each additive are: polyvinyl pyrrolidone at 4 percent and calcium carbonate at 4 percent, to achieve a desired minimum drying time for cancellation ink imposed upon a surface of said release agent.Type: GrantFiled: March 14, 1996Date of Patent: September 2, 1997Assignee: United States Postal ServiceInventors: Ronald B. Birkholz, Mark E. Schwartz
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Patent number: 5442010Abstract: A composition is disclosed, said composition comprising(A) a polydimethylsiloxane having a viscosity greater than about 2 cS at 25.degree. C.; and(B) a polyisobutylene oligomer having a number average molecular weight of about 200 to about 3,000 and having at least one end terminated with an epoxy-containing group, the weight ratio of said polydimethylsiloxane (A) to said polyisobutylene (B) being in the range 1:99 to 99:1.Type: GrantFiled: October 4, 1994Date of Patent: August 15, 1995Assignee: Dow Corning CorporationInventors: Dale E. Hauenstein, Thomas M. Gentle, Linda D. Kennan, Paul J. Popa
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Patent number: 5391592Abstract: A process for producing a contact lens and a contact lens comprising a crosslinked lipophilised cyclodextrin derivative, wherein each repeating cyclodextrin unit includes at least one polysiloxane group. The process for producing the contact lens includes the reaction of a cyclodextrin with a polysiloxane.Type: GrantFiled: August 3, 1993Date of Patent: February 21, 1995Assignee: Ciba-Geigy CorporationInventors: Peter Herbrechtsmeier, Horst Schafer, Bernhard Seiferling, Klaus Wenke, Gerhard Wenz
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Patent number: 5367019Abstract: A coating composition capable of forming a transparent coating having a high refractive index, excellent dyeing properties and scratch resistance on a transparent solid material, the coating composition comprising:(A) 100 parts by weight of an epoxy group-containing silicon compound or a partial hydrolysis product thereof,(B) 0 to 100 parts by weight of an organosilicon compound or a partial hydrolysis product thereof,(C) a metal oxide sol containing 0 to 130 parts by weight of at least one metal oxide selected from the group consisting of antimony oxide, tin oxide and titanium oxide,(D) 0.25 to 30 parts by weight of a polybasic carboxylic acid or an acid anhydride thereof, or a bisphenol compound, and(E) 0.01 to 30 parts by weight of a curing catalyst, ora molded article formed by coating a transparent solid material with the above coating composition as a coating layer-forming component.Type: GrantFiled: February 1, 1994Date of Patent: November 22, 1994Assignee: Nippon Arc Co., Ltd.Inventor: Fujio Sawaragi
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Patent number: 5314947Abstract: A coating composition capable of forming a transparent coating having a high refractive index, excellent dyeing properties and scratch resistance on a transparent solid material, the coating composition comprising:(A) 100 parts by weight of an epoxy group-containing silicon compound or a partial hydrolysis product thereof,(B) 0 to 100 parts by weight of an organosilicon compound or a partial hydrolysis product thereof,(C) a metal oxide sol containing 0 to 130 parts by weight of at least one metal oxide selected from the group consisting of antimony oxide, tin oxide and titanium oxide,(D) 0.25 to 30 parts by weight of a polybasic carboxylic acid or an acid anhydride thereof, or a bisphenol compound, and(E) 0.01 to 30 parts by weight of a curing catalyst, or,a molded article formed by coating a transparent solid material with the above coating composition as a coating layer-forming component.Type: GrantFiled: September 2, 1992Date of Patent: May 24, 1994Assignee: Nipon Arc Co., Ltd.Inventor: Fujio Sawaragi
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Patent number: 5260377Abstract: Crosslinkable carbosilane polymer formulations are prepared from saturated or unsaturated carbosilane polymers containing reactive silicon hydride radicals in the polymer chain combined with polycyclic polyene crosslinkers having two or more double bonds that are reactive in the hydrosilation crosslinking reaction.Type: GrantFiled: November 5, 1992Date of Patent: November 9, 1993Assignees: University of Southern California, Hercules IncorporatedInventors: William P. Weber, Raymond T. Leibfried, Xiugao Liao
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Patent number: 5183846Abstract: Disclosed herein is a silicone ladder polymer coating composition containing silicone ladder polymer which is expressed in the following general formula: ##STR1## where R.sub.1 represents the same or different types of phenyl groups or lower alkyl groups, R.sub.2 represents the same or different types of hydrogen atoms or lower alkyl groups, and n represents an integer of 20 to 1000, an aromatic organic solvent which is so added that solid matter occupies 5 to 30 percent by weight, and a silane coupling agent of 150 to 3000 p.p.m. with respect to the polymer.Type: GrantFiled: July 2, 1991Date of Patent: February 2, 1993Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Yoshiko Aiba, Hiroshi Adachi, Etsushi Adachi
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Patent number: 5061739Abstract: A room temperature curing composition comprising:(A) a silanol-terminated polydiorganosiloxane;(B) a hydrolyzable silyl-terminated polymer obtained by reacting:(a) an epoxy-terminated polyether;(b)(i) an heterocyclic compound containing imino groups, and/or;(ii) an aromatic compound or a heterocyclic compound containing mercapto groups; and,(c) an organosilicon compound containing an epoxy group and a hydrolyzable group;(C) an inorganic filler; and,(D) a curing catalyst.Type: GrantFiled: November 13, 1989Date of Patent: October 29, 1991Assignee: Toshiba Silicone Co., Ltd.Inventor: Chiyuki Shimizu
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Patent number: 5036135Abstract: Reaction resin mixtures which can be economically processed provide inflammable molded materials with excellent mechanical properties and high dimensional stability under heat when they contain the following constituents: (A) a phosphorus-free polyfunctional epoxide; (B) an epoxy-group-containing phosphorus compound; (C) a polyfunctional isocyanate; (D) a curing catalyst; and, if required, (E) filler material.Type: GrantFiled: July 19, 1990Date of Patent: July 30, 1991Assignee: Siemens AktiengesellschaftInventors: Wolfgang von Gentzkow, Jurgen Huber, Wolfgang Rogler, Dieter Wilhelm
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Patent number: 4997876Abstract: Flame-retarding composition for rendering self-extinguishing polymers, copolymers, mixtures of polymers and various polymeric materials, comprising a polymer, a copolymer, or a mixture of polymers of hydroxyalkyl-derivatives of isocyanuric acid and ammonium polyphosphate, and so-obtained self-extinguishing polymers and polymeric materials.Type: GrantFiled: January 18, 1989Date of Patent: March 5, 1991Assignee: V.A.M.P. S.r.l.Inventor: Luciano Scarso
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Patent number: 4873272Abstract: A polyether having molecular weight from 1,000 to 50,000, end-blocked with hydrolyzable silyl groups and represented by the general formula (P): ##STR1## where R.sup.1, R.sup.2, R.sup.6 and R.sup.7 individually represent a divalent hydrocarbon group, R.sup.4 represents a monovalent hydrocarbon group, R.sup.8 represents an alkyl group with 1 to 6 carbon atoms, a represents a number from 1 to 3, m represents a number from 10 to 500, n represents a number of 1 or greater and --N.dbd.X.dbd.N-- represents a residue group of a diimino heterocyclic compound, from which nitrogen-bonded hydrogen atoms are eliminated, said diimino heterocyclic compound having no ##STR2## bond in a molecule is produced and utilized in room temperature curing compositions containing inorganic filler and curing catalyst. There is also disclosed a method for producing the above polyether by reacting polyoxyalkylene end-blocked with epoxy groups, diimino heterocyclic compound and organo silicon compound.Type: GrantFiled: November 9, 1987Date of Patent: October 10, 1989Assignee: Toshiba Silicone Co., Ltd.Inventors: Chiyuki Shimizu, Tamio Yoshida
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Patent number: 4732787Abstract: A hard, abrasion resistant varnish, for coating the surfaces of solid substrates, comprises a solution in a mixture of solvents:a--4 to 90% by weight, in relation to the total of constituents (a), (b) and (c), of a colloidal silica,b--9 to 95% by weight, in relation to the total of constituents (a), (b) and (c), of the product of hydrolysis and partial condensation of at least one trialkoxysilane;c--1 to 87% by weight, in relation to the total of constituents (a), (b) and (c), of the product of hydrolysis and partial condensation of at least one epoxidized trialkoxysilane;d--0.5 to 9% by weight, in relation to the total of constituents (a), (b) and (c), and (d), of a soluble melamine-formaldehyde and urea-formaldehyde resin.The varnish can optionally contain an acid hardener and secondary adjuvants such as dyes, film tension agents and agents for protection from light.The varnish in contact with the solid substrate to be coated is hardened by heating at about 120.degree. for a time not exceeding 2 hours.Type: GrantFiled: May 13, 1986Date of Patent: March 22, 1988Assignee: Societe la Celliose S.A.Inventors: Alain Vantillard, Joel Pellenc, Claude Verne
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Patent number: 4584342Abstract: A liquid silicone rubber composition comprising (A) an organopolysiloxane containing epoxy groups, (B) an organopolysiloxane containing amino groups and (C) a curing catalyst for epoxy compounds is proposed in which the compounding ratio of the component (A) to the component (B) is in the range of from 0.2 to 5.0 relative to the epoxy/amino molar ratio and which further contains optionally an organic solvent such as xylene and a silica flour. The composition is cured rapidly without the problem of catalyst poisoning even at room temperatures to be converted into a cured article with low volume resistivity and excellent antistatic performance as well as surface releasability. The composition is useful as casting materials, electric insulating materials, paint vehicles, coating materials, molding compositions and the like.Type: GrantFiled: February 26, 1985Date of Patent: April 22, 1986Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Kiyohiro Kondow
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Patent number: 4525421Abstract: A surface hard coating composition for a synthetic resin lens including:(A) at least one organic silicon compound represented by the general formula ##STR1## wherein R.sup.1 is a hydrocarbon group having from one to six carbon atoms or an organic group including vinyl, methacryloyloxy or an epoxy radical, R.sup.2 is a hydrocarbon group having from one to four carbon atoms, R.sup.3 is a hydrocarbon or alkoxy alkyl group having from one to five carbon atoms or a hydrogen atom and l is 0 or one;(B) colloidal silica;(C) at least one poly functional epoxy compound; and(D) magnesium perchlorate.Type: GrantFiled: June 12, 1984Date of Patent: June 25, 1985Assignee: Kabushiki Kaisha Suwa SeikoshaInventors: Satoshi Kubota, Mikito Nakashima, Takao Mogami, Tetsuo Nakagawa
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Patent number: 4351919Abstract: Polyester silicate resinous products are produced by chemically reacting an organosol containing organic polyhydroxy compounds with an organic polycarboxylic acid and/or polycarboxylic acid anhydride. An excess of oxidated silicon compound may be used in this process. The unsaturated polyester silicate resinous products may be used to produce building panels, boats, furniture, etc.Type: GrantFiled: October 13, 1981Date of Patent: September 28, 1982Inventor: David H. Blount
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Patent number: 4348462Abstract: A radiation curable coating composition comprising (A) colloidal silica (B) acryloxy or glycidoxy functional silanes (C) non-silyl acrylates and (D) catalylic amounts of UV light sensitive cationic and radical type photoinitiators is provided, which cures to a transparent hard coating exhibiting improved abrasion resistance.Type: GrantFiled: July 11, 1980Date of Patent: September 7, 1982Assignee: General Electric CompanyInventor: Rack H. Chung
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Patent number: 4346180Abstract: An oxidated silicon compound will react with a substituted organic compound in the presence of an alkali compound to produce organic alkali metal silicate products which may be used as molding powders, as adhesives, as coating agents and be reacted with polyisocyanates to produce insulating foams.Type: GrantFiled: December 10, 1981Date of Patent: August 24, 1982Inventor: David H. Blount
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Patent number: 4346192Abstract: An oxidated silicon compound will react with a substituted organic compound in the presence of an alkali compound to produce organic alkali metal silicate products which may be used as molding powders, as adhesives, as coating agents and be reacted with polyisocyanates to produce insulating foams.Type: GrantFiled: December 7, 1981Date of Patent: August 24, 1982Inventor: David H. Blount