Transition Metal (at. No. 21-29, 39-47, 57-79) Patents (Class 524/176)
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Patent number: 7479514Abstract: An adhesion promoting composition includes a polymer, such as an acrylic copolymer, having acetoacetoxy functionality and adhesion-promoting functionality and a metal alkoxide, chelate, and/or alkoxide chelate. The composition is applied in a first layer over a metal substrate or a coated substrate, then coated with a desired refinish coating composition.Type: GrantFiled: March 23, 2005Date of Patent: January 20, 2009Assignee: BASF CorporationInventor: Anthony Tye
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Publication number: 20090017315Abstract: The present invention relates to coating compositions comprising a polysiloxane, a alkyl titanate, talc and/or mica, aluminium flakes, and optionally an alkyl orthosilicate or a condensation product thereof. The invention also relates to steel sub-strates coated with these coating compositions.Type: ApplicationFiled: December 20, 2006Publication date: January 15, 2009Applicant: AKZO NOBEL COATING INTERNATIONAL B.V.Inventors: Lesley Michelle Hamilton, Trevor Michael Wills, Adrian Ferguson Andrews, Marie Clare Halliday
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Publication number: 20080302471Abstract: The instant invention relates to compositions comprising a benzoxazine resin and an advancement resin based on bisphenol A diglycidyl ether and bisphenol S and, optionally, ferrocene and aluminium trihydrate. Such compositions are, when cured to form polymeric networks, difficultly inflammable and resistant to high temperatures. Such compositions may especially be used in the production of printed wiring boards.Type: ApplicationFiled: March 21, 2006Publication date: December 11, 2008Inventor: Dave Tsuei
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Patent number: 7452601Abstract: An oxygen scavenger composition includes mer units that have at least one cycloalkenyl group or functionality and, further, has mer units derived from isophthalic acid or terephthalic acid or certain derivatives thereof. The oxygen scavenger composition has been found to act as an oxygen scavenger under both ambient and refrigeration conditions, to be compatible with conventional film forming packaging materials, to inhibit undesirable oligomer formation and oxidation by-product formation, and to be readily formable and processable using conventional film forming equipment. A film and laminated product having said oxygen scavenger composition are also disclosed.Type: GrantFiled: May 30, 2006Date of Patent: November 18, 2008Assignee: Cryovac, Inc.Inventors: Cynthia L. Ebner, Andrew E. Matthews, Terry O. Millwood
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Publication number: 20080255280Abstract: Polymer blends suitable for packaging are disclosed that include a transition metal; one or more polyamide homopolymers or copolymers; and one or more polyethylene terephthalate homopolymers or copolymers obtained by a melt phase polymerization using a catalyst system comprising aluminum atoms in an amount, for example, from about 3 ppm to about 60 ppm and one or more alkaline earth metal atoms, alkali metal atoms, or alkali compound residues in an amount, for example, from about 1 ppm to about 25 ppm, in each case based on the weight of the one or more polyethylene terephthalate homopolymers or copolymers The polymer blends disclosed exhibit improved oxygen-scavenging activity compared with blends made using polymers prepared with conventional catalyst systems.Type: ApplicationFiled: April 11, 2007Publication date: October 16, 2008Inventors: Susan Sims, Mark Edward Stewart, Jason Christopher Jenkins, Rodney Scott Armentrout, Richard Dalton Peters, Michael Duane Cliffton, Frederick Leslie Colhoun, Stephen Weinhold
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Patent number: 7435270Abstract: A composition comprising (A) at least one nickel complex pigment and (B) at least one disperse dye of formula (1) or (2) wherein R1 is hydrogen, hydroxy or a radical —NHCO—R6 wherein R6 is C1-C6alkyl or unsubstituted or C1-C4alkyl- or halo-substituted phenyl, R2 is hydrogen, hydroxy or a radical W—R7 wherein W is —NHCO— or —S— and R7 is C1-C6alkyl or unsubstituted or C1-C4alkyl- or halo-substituted phenyl, R3 is hydrogen, R4 is hydrogen or hydroxy, R5 is hydrogen, or R3 and R4 together form the radical of formula wherein the rings A and B, independently of one another, may carry further substituents, R8 is hydrogen or —CO—C2-C6alkyl wherein the C2-C6alkyl radical may be substituted by carboxy, or a radical wherein R11 is hydrogen, C1-C4alkyl, hydroxy, carboxy or halogen, R12 is hydrogen, C1-C4alkyl or halogen and R13 is hydrogen or C2-C3alkyl or, when R10 is halogen, R13 may be methyl, R9 is hydrogen or halogen, R10 is hydrogen or halogen, and n is a number 0, 1 or 2, with the proviso that R9, R10, R11, R12,Type: GrantFiled: April 14, 2004Date of Patent: October 14, 2008Assignee: Huntsman International LLCInventors: Jean Pierre Luttringer, Rainer Hildebrand
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Publication number: 20080226827Abstract: The invention is directed to a thermosetting powder paint composition comprising a thermosetting amorphous polyamide. The amorphous polyamide has a glass transition temperature between 20° C. and 200° C. The polyamide may be a carboxyl-, a hydroxyl- or an amine functional polyamide. A carboxyl functional polyamide has an acid number between 10 and 150 mg of KOH/gram of resin. The invention also relates to a thermosetting powder paint composition comprising a thermosetting amorphous polyamide and an additive comprising a copper halogenide and another halogenide. The invention further relates to a process for coating a substrate at low temperature cure (LTC) conditions and a composition suitable for LTC.Type: ApplicationFiled: June 29, 2006Publication date: September 18, 2008Applicant: DSM IP Assets B.V.Inventors: Leendert Jan Molhoek, Renier Henricus Maria Kierkels, Pieter Gijsman, Jasper Hendrik Johan Dutman
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Publication number: 20080199607Abstract: The invention is a composition comprising a) one or more organotitanates having four ligands wherein the ligands are hydrocarbyl, optionally containing one or more functional groups having one or more heteroatoms selected from the group comprising oxygen, nitrogen, phosphorus and sulfur wherein two or more of the ligands may form a cyclic structure; b) one or more mercaptosilanes; c) one or more polyaminosilanes; d) one or more secondary aminosilanes; and e) a solvent which dissolves the components of the composition. This composition is referred to as a clear primer hereinafter. In another embodiment the invention is a system for bonding glass to a substrate which comprises a clear primer according to the invention; and an adhesive comprising an isocyanate functional prepolymer and a catalyst for the cure of the isocyanate functional prepolymer.Type: ApplicationFiled: February 16, 2007Publication date: August 21, 2008Inventors: Harry W. Hsieh, Dominic J. Allam, Ziyan Wu
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Publication number: 20080171198Abstract: The present invention discloses a method for forming a laminated window. The method includes: a) assembling a mold between two plies that make up a laminated window; b) filling the mold with a reaction mixture having: (1) at least one chain extender; (2) at least one polyether polyol having a molecular weight of approximately 1,000; and (3) at least one aliphatic polyisocyanate; and c) curing the reaction mixture.Type: ApplicationFiled: January 12, 2007Publication date: July 17, 2008Inventors: Thomas G. Rukavina, Gregory J. McCollum
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Patent number: 7390841Abstract: Compositions of vinyl halide polymers such as PVC are rendered compostable by a prodegradant system of an organotitanate or zirconate and an organotin. PVC sheets and composites are compostable in landfills.Type: GrantFiled: January 24, 2005Date of Patent: June 24, 2008Assignee: BioTech Products, LLCInventor: Richard F. Grossman
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Publication number: 20080033084Abstract: The present invention relates to a catalyst composition for producing polyethylene terephthalate from terephthalic acid and ethylene glycol, comprising: (i) an antimony compound, being present such that the elemental antimony is in a range of about 15 ppm to less than 150 ppm; (ii) a zinc compound, being present such that the elemental zinc is in a range of about 40 to about 160 ppm; as well as a process for the preparation thereof.Type: ApplicationFiled: February 10, 2005Publication date: February 7, 2008Inventors: Zahir Bashir, Jamil Siddiqui, Venkatanathan Sampath, Khalid AL- Luhaidan
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Patent number: 7078100Abstract: An oxygen scavenger composition includes mer units that have at least one cycloalkenyl group or functionality and, further, has mer units derived from isophthalic acid or terephthalic acid or certain derivatives thereof. The oxygen scavenger composition has been found to act as an oxygen scavenger under both ambient and refrigeration conditions, to be compatible with conventional film forming packaging materials, to inhibit undesirable oligomer formation and oxidation by-product formation, and to be readily formable and processable using conventional film forming equipment. A film and laminated product having said oxygen scavenger composition are also disclosed.Type: GrantFiled: August 28, 2003Date of Patent: July 18, 2006Assignee: Cryovac, Inc.Inventors: Cynthia L. Ebner, Andrew E. Matthews, Terry O. Millwood
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Patent number: 6914118Abstract: A polyurethane having at least one anionic anchor group L, the anchor group L being covalently bonded to a polyether segment having at least one nitrogen atom in the polyurethane.Type: GrantFiled: October 9, 2001Date of Patent: July 5, 2005Assignee: Imation Corp.Inventors: Ulrike Hees, Hans-Guenter Bohrman, Benedikt Raether, Ria Kress, Albert Kohl
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Patent number: 6872451Abstract: A film, laminated product, and other packaging materials are disclosed, each including an oxygen scavenger composition including mer units derived from a substituted alicyclic compound having non-aromatic, ethylenic functionality, mer units including an ionomeric group, and mer units of a di- or polyfunctional hydrocarbon compound. Certain oxygen scavenger compositions have been found to act as an oxygen scavenger under both ambient and refrigeration conditions, to be compatible with conventional film forming packaging materials, to inhibit undesirable oligomer formation and oxidation by-product formation, and to be readily formable and processable using conventional film forming equipment.Type: GrantFiled: August 28, 2003Date of Patent: March 29, 2005Assignee: Cryovac, Inc.Inventors: Cynthia L. Ebner, Arthur L. Berrier
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Patent number: 6846564Abstract: The invention relates to cross-linked acrylic microparticles, a method for the production thereof by polymerization in a dispersion in a non aqueous medium and to the uses thereof in covering or moulding compositions involving a favourable compromise between hardness, flexibility and adhesion. The micropparticles are obtained from a composition comprising: 50-99% mols of a constitutent (A) consisting of Cardura E 10 (meth)acrylate and optionally alkyl (meth)acrylate in C2-C8; a compound (B) consisting of at least one monomer or oligomer having at least 2 ethylenic unsaturations; a compound (C) consisting of at least one monomer or oligomer having in addition to one ethylenic unsaturation at least one second function (F1) with the possibility of at least partial chemical modification of the initial functions f1 into final functions f2.Type: GrantFiled: March 24, 2000Date of Patent: January 25, 2005Assignee: Cray Valley, S.A.Inventors: Jean-Pierre Pascault, Ludovic Valette, Philippe Barbeau, Benoit Magny
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Patent number: 6698483Abstract: The present invention provides a rubber-based product usable as a tire cover which is composed of a buffer zone and a zone sensitive to oxidation (sensitive zone), the buffer zone being capable of trapping oxygen external to the product so as to protect from oxidation at least one sensitive zone of the product. The buffer zone contains a basic composition composed of at least one elastomer containing at least one salt of iron (III) provided to activate oxidation in the composition. Preferably, the salt is an iron (III) salt of a carboxylic acid having the general formula CnH2nO2 in which n is from 2 to 5. This product is produced by mechanically incorporating the iron (III) salt into the elastomer or elastomers contained in the composition for the buffer zone. The invention is advantageously applied in a tire cover, and imparts improved rolling resistance.Type: GrantFiled: January 8, 2001Date of Patent: March 2, 2004Assignee: Michelin Recherche et Technique S.A.Inventors: Salvatore Pagano, Lucette Dumergue, Emmanuelle Pornet
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Patent number: 6607795Abstract: Herein is disclosed an oxygen scavenging composition, comprising (i) an oxygen scavenging polymer comprising units having structure I: wherein R1 and R2 are independently selected from the group consisting of —O—, —NCO—, and —NR—, wherein R is selected from the group consisting of —H and —C1-C6 alkyls; (ii) a transition metal oxidation catalyst; and (iii) an energy-absorbing compound selected from the group consisting of microwave reactive materials and photoinitiators having a wavelength of maximum absorption of electromagnetic radiation from about 200 nm to about 750 nm. The oxygen scavenging composition can be used to form an oxygen scavenging packaging article.Type: GrantFiled: December 19, 2001Date of Patent: August 19, 2003Assignee: Chevron Phillips Chemical Company LPInventors: Hu Yang, Ta Yen Ching, Peter Kwan
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Publication number: 20030027975Abstract: Disclosed is a method for preparing saturated polyester used in various molded products, such as films, synthetic fibers, vessels and housings. In particular, the method improves mechanical properties, including tensile strength or impact resistance, of saturated polyester. In DMT method or TPA method, the saturated polyester is synthesized through transesterification or esterification and polycondensation, in which metal compounds, such as metal acetate compounds, metal hydroxides, and metal oxides, are added in the larger amounts upon synthesis, and thus crystalline internal grains are formed, thereby improving the mechanical properties. As such, the metal compound can be used alone or in combination with a phosphorous-based compound.Type: ApplicationFiled: July 30, 2001Publication date: February 6, 2003Applicant: Saehan Industries IncorporationInventor: Deog Jae Jo
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Patent number: 6420047Abstract: A water slurry process is used to prepare a prepreg and to manufacture articles from macrocyclic polyester oligomers. In one embodiment, a process for preparing a water suspension of macrocyclic polyester oligomers includes the steps of contacting a macrocyclic polyester oligomer and a polymerization catalyst with water and a surfactant, and mixing the macrocyclic polyester oligomer and polymerization catalyst with water and the surfactant thereby forming a suspension. In another embodiment, a process for impregnating macrocyclic polyester oligomers for polymerization includes the steps of providing a suspension of a macrocyclic polyester oligomer and a polymerization catalyst in water, applying the suspension to a base material, drying to remove water from the suspension, and pressing the dried suspension to a desired form. In yet another embodiment, a composition of macrocyclic polyester oligomer includes a macrocyclic polyester oligomer, a polymerization catalyst, and water.Type: GrantFiled: January 4, 2001Date of Patent: July 16, 2002Assignee: Cyclics CorporationInventors: Steven J. Winckler, Tohru Takekoshi
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Patent number: 6409937Abstract: The invention relates to a process for the preparation of melt processable liquid crystalline terpolyesters of the general formula I by the in situ acetylation of a monomer selected from (4-hydroxyphenyl) acetic acid/ 3(4-hydroxyphenyl)propionic acid and hydroquinone/4,4′-biphenol/2,6-naphthylene diol followed by acidolysis polycondensation with or without a solvent and a catalyst, under reduced pressure for the efficient removal of acetic acid to effect higher molecular weight formation. Post polymerisation is effected at higher temperatures below the decomposition temperature purification by soxhlet extraction using solvent mixtures selected from acetone-alcohol, acetone-methylethyl ketone.Type: GrantFiled: March 28, 2000Date of Patent: June 25, 2002Assignees: Council of Scientific & Industrial Research, Department of Science and TechnologyInventors: Vadakkethonippurathu Sivankutty Nair Prasad, Chennakkattu Krishna Sadasivan Pillai, Marayil Ravindranathan
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Patent number: 6403229Abstract: Laminate structures, for example for use in circuit boards, comprise a metal foil and at least one cured composition layer disposed on at least one surface of the metal foil, wherein the cured composition layer comprises (a) at least one compound selected from the group consisting of cyanate esters and cyanate ester prepolymers, (b) a flame retardant which is substantially toluene soluble and substantially free of hydroxy residues in the cured state, and (c) a curing catalyst.Type: GrantFiled: January 16, 2001Date of Patent: June 11, 2002Assignee: General Electric CompanyInventors: Gary William Yeager, Yiqun Pan
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Patent number: 6392076Abstract: A compound comprising a polyfluorinated anion and the use thereof is provided. Specifically, the present invention provides a compound comprising an anion which comprises a polyfluorinated alkoxide coordinated to a transition metal, or a Group III, IV or V element.Type: GrantFiled: March 10, 2000Date of Patent: May 21, 2002Assignee: Colorado State University Research FoundationInventors: Steven H. Strauss, Benjamin P. Fauber, Benjamin G. Nolan
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Patent number: 6350519Abstract: A modified particle or aggregate is disclosed wherein a particle has an attached group having the formula: wherein the substituents are defined in the disclosure. Modified particles with attached polymers are also disclosed as well as methods of making the modified products.Type: GrantFiled: June 2, 1999Date of Patent: February 26, 2002Assignee: Cabot CorporationInventor: Wayne Devonport
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Patent number: 6309708Abstract: A paint composition being capable of forming a coating film which is remarkably excellent in stain-proofing property whereby neither stains in the air nor stains marked due to rain water adhere to or are deposited on the coating film surface and a stain-proofing agent for adding to the composition are provided. The paint composition comprises a stain-proofing agent comprising an organometallic compound represented by XbM(OR1)aR2c, its oligomer or cooligomer comprising two or more of the organometallic compounds; a resin for paints; and a curing agent and/or a curing catalyst, provided that a stain-proofing agent comprising a compound represented by the formula (2): is excluded.Type: GrantFiled: March 23, 1998Date of Patent: October 30, 2001Assignee: Daikin Industries, Ltd.Inventors: Haruhiko Mohri, Yasushi Yonei
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Patent number: 6281325Abstract: In one embodiment, the invention is a process for the preparation of poly(trimethylene terephthalate) comprising (a) contacting terephthalic acid with 1,3-propanediol in the presence of an organic tin catalyst to form a bis(3-hydroxypropyl)terephthalate monomer; and (b) polymerizing said monomer in the presence of organic titanate polycondensation catalyst to obtain the poly(trimethylene terephthalate). In another embodiment, the invention is a process for the preparation of poly(trimethylene terephthalate) containing less than 1.6 mol % of DPG said process comprising contacting terephthalic acid with a 1.6 to 1 to 2:1 molar amount of 1,3-propanediol in the presence of 20 to 120 ppm (as tin), by weight of the poly(trimethylene terephthalate), of a organic tin catalyst, to form a bis(3-hydroxypropyl)terephthalate monomer and polymerizing said monomer to obtain the poly(trimethylene terephthalate). The invention is also directed to poly(trimethylene terephthalate) produced by the processes.Type: GrantFiled: August 23, 2000Date of Patent: August 28, 2001Assignee: E. I. du Pont de Nemours and CompanyInventors: Joseph Varapadavil Kurian, Yuanfeng Liang
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Patent number: 6221941Abstract: A compound comprising a polyfluorinated anion of the formula [M1(XC(CFa(R1)b)(CFc(R2)d)R3)m(R4)n]−p and the use thereof is provided. Specifically, the present invention provides a compound comprising a anion which comprises a polyfluorinated alkoxide coordinated to a transition metal, or a Group III, IV or V element.Type: GrantFiled: September 11, 1998Date of Patent: April 24, 2001Assignee: Colorado State University Research FoundationInventors: Steven H. Strauss, Benjamin G. Nolan, Thomas J. Barbarich, Juston J. Rockwell
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Patent number: 6221940Abstract: A thermoplastic resin composition containing a polyetherimide resin, a glycidyl ester impact modifier and a organometallic compound exhibits improved impact strength and ductility.Type: GrantFiled: December 23, 1997Date of Patent: April 24, 2001Assignee: General Electric CompanyInventors: Robert Puyenbroek, James Fishburn
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Patent number: 6166124Abstract: A process for the production of cationic layer compounds wherein layer compounds corresponding to general formula (I):--[E.sub.e Z.sub.z D.sub.d V.sub.v (OH.sup.-).sub.x ](A.sup.n-).sub.a.qH.sub.2 O-- (I)in whichE is a monovalent cation from the group consisting of alkali metals,e is a number of 0 to 2,Z is a divalent metal cation,z is a number of 0 to 6,D is a trivalent metal cation,d is a number of 0 to 3,V is a tetravalent metal cation,v is a number of 0 to 1,(A.sup.n-) is an acid anion having the charge n- where n is an integer of 1 to 3,q is a number of 1 to 10,with the proviso that x>a and e+2z+3d+4v=x+na, are subjected to alkali-induced ripening in aqueous medium wherein the alkali metal hydroxide content of said aqueous medium is adjusted to a value in the 1- to 6-molar range, the crystallization temperature is adjusted to a value in the range from 60.degree. C. to 100.degree. C., and the crystallization time is adjusted to a value in the range from 2.5 to 50 hours.Type: GrantFiled: February 4, 1999Date of Patent: December 26, 2000Assignee: Cognis Deutschland GmbHInventors: Ilona Lange, Joerg-Dieter Klamann, Juergen Foell, Peter Wedl, Dieter Marks
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Patent number: 6162876Abstract: Curable compositions used in circuit boards, structural composite, encapsulating resins, and the like, comprise at least one of a cyanate ester and a cyanate ester prepolymer, a cyanate ester-free aryloxytriazine, and a curing catalyst.Type: GrantFiled: June 11, 1998Date of Patent: December 19, 2000Assignee: General Electric CompanyInventors: Gary William Yeager, Yiqun Pan
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Patent number: 6147147Abstract: A solid coupling agent for use in a vulcanizable rubber compound containing siliceous filler. The coupling agent includes an organosilane, a powderizing agent, and a fatty acid dispersion aid including fatty acid and a salt-forming agent.Type: GrantFiled: May 14, 1998Date of Patent: November 14, 2000Assignee: Flow Polymers, Inc.Inventors: James W. Hoover, E. Timothy McDonel
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Patent number: 6139610Abstract: A corrosion-inhibiting composition for application to a metal substrate, such as steel, silver, copper or aluminum, includes a film-forming organic polymer component and a dispersed pigment phase of a stable unitary hybrid which contains organic and inorganic solid phase constituents interfaced at a micro-crystalline level, which are inseparable by physical separation procedures and which display uniphase behavior. The inorganic phase includes a cation selected from Zn, Al, Mg, Ca, Sr, Ti, Zr, Ce and Fe and an anion selected from phosphates, polyphosphates, phosphites, molybdates, silicates and cyanamides.Type: GrantFiled: June 3, 1999Date of Patent: October 31, 2000Assignee: Wayne Pigment Corp.Inventor: John Sinko
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Patent number: 6136200Abstract: A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising:an inorganic-organic and/or organic adduct alloy polymer composition having the formula:A.multidot.B.sup.+ .multidot.D.sup.+wherein: A=[(SiO.sub.2 /Me.sup.I.sub.2 O).sub.u Me.sup.II.sub.m Me.sub.m.sup.III(OH).sbsp.p.sup.(SO.sbsp.4.sup.).sbsp.y.sup.(Aci) (2m+3n)-p-2y].sub.rwhere r=1 to 98% bw; u=0 to 10% bw; ##STR1## where: x=0 to 98% bw; Z is a divalent substituted or unsubstituted aliphatic, cycloaliphatic, heterocyclic or aromatic radicalD.sup.+ =(PQAM).sub.wwherew=2 to 98% b.w. of polyquaternized polymer (PQAM)Me.sub.m.sup.II is selected from the divalent cationic group comprising: Mg, Zn, Ca, and Fe.sup.2+m=0 to 5Me.sub.n.sup.III is a tri-or more valent metal selected from the group comprising: Fe, Al, and Al--Zn complexes;n=1 to 20Aci is selected from the monovalent anionic group comprising Cl.sup.-, Br.sup.-, I.sup.-, NO.sub.3 --, H.sub.2 PO.sub.4 --, CH.Type: GrantFiled: March 11, 1994Date of Patent: October 24, 2000Assignee: Polymer Research CorporationInventor: John J. Waldmann
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Patent number: 6103380Abstract: A modified particle is disclosed wherein a particle has an attached group having the formula: ##STR1## wherein Ar represents an aromatic group; R.sup.1 represents a bond, an arylene group, an alkylene group ##STR2## wherein R.sup.4 is an alkyl or alkylene group or an aryl or arylene group; R.sup.2 and R.sup.3, which can be the same or different, represent hydrogen, an alkyl group, an aryl group, --OR.sup.5, --NHR.sup.5, --NR.sup.5 R.sup.5, or --SR.sup.5, wherein R.sup.5, which is the same or different, represents an alkyl group or an aryl group; and Q represents a labile halide containing species. Also disclosed is a modified particle or aggregate having attached a group having the formula: ##STR3## wherein CoupA represents a Si-containing group, a Ti-containing group, or a Zr-containing group; R.sup.8 and R.sup.9, which can be the same or different, represent hydrogen, an alkyl group, an aryl group, --OR.sup.10, --NHR.sup.10, --NR.sup.10 R.sup.10, or --SR.sup.10, wherein R.sup.Type: GrantFiled: June 3, 1998Date of Patent: August 15, 2000Assignee: Cabot CorporationInventor: Wayne Devonport
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Patent number: 6075068Abstract: The invention relates to dental compositions, containing(a) 5 to 70 wt. %, based on (a)+(b)+(d), of polymerizable monomers and/or polymers,(b) 0 to 95 wt. %, based on (a)+(b)+(d), of fillers,(c) 1.0 to 15 wt. %, based on (a), of at least one initiator or one initiator system,(d) 0 to 95 wt. %, based on (a)+(b)+(d), of the usual auxiliaries, including pigments, radiopaque additives and/or thixotropy aids,characterized in that constituent (a) has a chemical structure such that partial or final curing of the dental composition can be effected by ring-opening metathesis polymerization.The dental compositions are characterized by a rapid polymerization process, leading to partially or fully cured materials, which display little volume shrinkage, little abrasion tendency and good mechanical properties.Type: GrantFiled: September 29, 1998Date of Patent: June 13, 2000Assignee: Espe Dental AGInventor: Peter Bissinger
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Patent number: 5998517Abstract: The present invention relates to a composition for the detection of the growth of respiring microorganisms in a sample, which comprises:(a) tris(4,7-diphenyl-10-phenanthroline)ruthenium dichloride pentahydrate;(b) a hydroxyl functional group;(c) an organosilicon polymer;(d) an organohydrogensilicon compound; and(e) a catalyst;and a method for preparing said composition.Type: GrantFiled: June 5, 1998Date of Patent: December 7, 1999Assignee: Becton, Dickinson and CompanyInventors: Thomas M. Gentle, Jr., Ming-Hsiung Yeh
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Patent number: 5994434Abstract: An adhesion promoter composition containing a Zn, K, Al, Ti or Zr metal salt of an organic acid and at least one of a hydrous inorganic salt and an organic molybdenum compound. The adhesion promoter composition may be used to form an adherent rubber composition. The use of the adhesion promoter composition results in an adherent rubber composition which is stable and has a high adhesive force.Type: GrantFiled: February 26, 1998Date of Patent: November 30, 1999Assignees: Bridgestone Corporation, Japan Energy CorporationInventors: Osamu Uchino, Shinsuke Nakane, Kanji Fujiki, Toru Imori, Kazunori Iida
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Patent number: 5962122Abstract: Polymeric compositions having a high dielectric constant are made from a thermotropic liquid crystalline and a ceramic having a dielectric constant which is greater than about 50 at a frequency of 1.0 GHz. The compositions have a dielectric constant of at least about 4, and preferably at least about 6. Preferred compositions also have a low loss tangent.Type: GrantFiled: November 28, 1995Date of Patent: October 5, 1999Assignee: Hoechst Celanese CorporationInventors: Lak M. Walpita, William M. Pleban, Helmut Eckhardt
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Patent number: 5869548Abstract: A dental material comprising a porous ceramics formed into an artificial tooth, an inlay, an onlay, a crown, a crown bridge or into a block shape suitable for CAD/CAM, sintered, having communicating holes, and impregnated with a resin. A porous ceramics formed from a network-forming oxide is applicable, and an intermediate oxide and a network-modifying oxide may also be adopted. The porous ceramics should preferably have a porosity within a range of from 0.5 to 70%. The resin should preferably a polymer of a monomer and/or oligomer containing at least an ethylenic double bond. Prior to impregnation of the porous ceramics with the resin, the porous ceramics should preferably be subjected to a coupling treatment.Type: GrantFiled: April 28, 1997Date of Patent: February 9, 1999Assignee: GC Dental Products CorporationInventors: Keisuke Ikushima, Akira Hasegawa
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Patent number: 5866637Abstract: There is provided by the present invention coating formulations and thermal transfer media that form printed images which are readable by magnetic ink character recognition (MICR) devices. These formulations and ribbons employ wax, binder resin and an organic molecule-based magnet. MICR readable printed images obtained therefrom are also provided as is a thermal printer which employs the ribbon.Type: GrantFiled: July 23, 1996Date of Patent: February 2, 1999Assignee: NCR CorporationInventor: Michael A. Lorenz
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Patent number: 5852088Abstract: The present invention provides for amorphous, nanoporous, catalytic metal-containing ceramic material having a surface area in excess of 70 m.sup.2 /gm and characterized by a high content of open microporous cell structure wherein the micropores have a mean width of less than 20 Angstroms and wherein said microporous structure comprises a volume of greater than about 0.03 cm.sup.3 /gm of the ceramic. The invention also provides for a preceramic composite intermediate composition comprising a mixture of a ceramic precursor and from about 0.5 up to about 65 wt % of an organometallic compound containing a metal of Group IB, II, III, IV, IV, V, VIB, VIIA or VIII of the Periodic Table, including rare earth metals, whose pyrolysis product in ammonia or an inert atmosphere at temperatures of up to less than about 1100.degree. C. gives rise to the nanoporous catalytic ceramics of the invention.Type: GrantFiled: December 27, 1995Date of Patent: December 22, 1998Assignee: Exxon Research and Engineering CompanyInventors: John P. Dismukes, Jack Wayne Johnson, John Stewart Bradley
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Patent number: 5811505Abstract: An energy-polymerizable composition derived from ingredients comprising: a cyanate ester monomer or oligomer comprising an organic radical bonded through aromatic carbon atoms to at least two --OCN groups; a low molecular weight polyalkylene glycol; and an organometallic compound in which at least one carbon atom of an organic group is bonded to a metal atom. The composition can be cured by at least one of thermal energy, radiation, and accelerated particles, to produce a cured, homogeneous composition.Type: GrantFiled: December 17, 1997Date of Patent: September 22, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventor: Fred B. McCormick
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Patent number: 5773489Abstract: Dental inorganic-organic composite fillers are disclosed, which do not scatter a visible light of from 360 to 830 nm in the particles thereof, has a refractive index nD by the D-line of sodium in the range of 1.460.ltoreq.nD.ltoreq.1.600, and which is represented by the following mean empirical formula:aM.sup.1 O.sub.x/2 .multidot.bSiO.sub.2 .multidot.cM.sup.2 O.sub.(4-i-j)/2 R.sup.1.sub.i R.sup.2.sub.jwhereinM.sup.1 is one or more members selected from Ti, Zr, Y, La, Ta, and Al, which is bonded to Si or M2 via the crosslinked oxygen; and x is a valence of M.sup.1 ;M.sup.2 is Si and/or Ti;R.sup.1 is a non-functional group; and R.sup.2 is an organic compound reacted with an organic functional group;i is 0, 1, or 2; and j is 1, 2, or 3, provided that i and j are satisfied with 1.ltoreq.(i+j).ltoreq.3; anda, b, and c are each a molar ratio, provided that a, b, and c are satisfied with 0.ltoreq.a/(a+b).ltoreq.0.65 and 0.02.ltoreq.c/(a+b).ltoreq.3.0.Type: GrantFiled: August 14, 1996Date of Patent: June 30, 1998Assignee: GC CorporationInventor: Hisashi Sato
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Patent number: 5723516Abstract: A granular material is presented comprising inorganic particles coated with an organometallic polymeric binder, the organometallic polymeric binder comprising the reaction product of water with at least one component of a binder precursor composition. The binder precursor composition is selected from the group consisting of 1) a first composition comprising an inert organic polymer and a hydrolyzable liquid organometallic solvent; 2) a second composition comprising a water reactive organic polymer dissolved in an inert organic solvent; and 3) a third composition comprising the water reactive organic polymer dissolved in the hydrolyzable liquid organometallic solvent.Type: GrantFiled: November 22, 1996Date of Patent: March 3, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: W. Stuart Bigham, Dean M. Moren
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Patent number: 5721299Abstract: Electrically conductive and abrasion resistant polymeric compositions, methods of fabrication thereof and uses thereof are described. Admixtures of abrasion resistant materials and electrically conductive polymeric materials are formed. Many of these admixtures are light transmitting and can be used as an abrasion resistant light transmitting electrostatic discharge layers. The light transmitting discharge layer is useful as a surface coating for visual displays such as CRT screens to avoid electrostatic accumulation of dust and scratching.Type: GrantFiled: February 9, 1994Date of Patent: February 24, 1998Assignee: International Business Machines CorporationInventors: Marie Angelopoulos, Ali Afzali-Ardakani, Jack A. Dickerson, Thomas B. Pillsbury, Karl J. Puttlitz, Jane M. Shaw, Jeffrey D. Gelorme
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Patent number: 5717007Abstract: The invention relates to anti-fouling self-polishable paints intended to be pplied on an object at least partially submersed, notably on surface ships or submarine hulls, and containing standard constituents of the paints such as organic solvents, coloring pigment, wetting agents, dispersing agents or neutralizing agents.These paints are characterized in that they comprise:mass 5 to 60% of at least two polymers or copolymers (I) of the alkyl polyacrylates or alkyl polymethacrylate family comprising carboxylic functions, having molecular weights ranging from 15,000 to 100,000 g.mol.sup.-1, each polymer having a very different acid index,mass 0.1 to 50% of at least one polyaminated compound (II) reacting to polymers (I),mass 0.1 to 60% of at least one organometallic compound derived from zinc, iron, manganese or cobalt, with a biocide character (III).mass 0 to 30% of powdered hydrophobe polymers (IV).Type: GrantFiled: January 19, 1996Date of Patent: February 10, 1998Assignee: Etat Francais as represented by the Delegue General pour l'ArmementInventor: Christian Cambon
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Patent number: 5700856Abstract: A peroxide-generating composition for use in curing an unsaturated polyester resin and to the cured unsaturated polyester resin composition so prepared, particularly unsaturated polyester resin compositions containing inert filler materials used prepare a cast or molded product. The peroxide-generating composition comprises an allyl alcohol alkanoate, such as allyl alcohol propoxylate, which in the presence of a metal salt promoter, such as cobalt carboxylate, either with the allyl alcohol alkanoate or separately as a prepromoter in the unsaturated polyester resin composition provides for the generation from the allyl alcohol alkanoate of a peroxide to effect the in situ cure of the unsaturated polyester resin composition.Type: GrantFiled: April 10, 1996Date of Patent: December 23, 1997Assignee: Hehr International Inc.Inventor: Stuart B. Smith
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Patent number: 5536793Abstract: Concentrates produced by melt processing a branching agent and a polyester carrier are disclosed. The concentrates are useful in melt processing polyesters. The concentrates contain sufficiently high concentrations of a branching agent to minimize the formation of crosslinked compounds in the concentrates. Process for using the concentrate also are disclosed.Type: GrantFiled: June 7, 1995Date of Patent: July 16, 1996Assignee: Amoco CorporationInventors: George E. Rotter, Weilong Chiang, Boh C. Tsai, John L. Melquist, Cheryl A. Pauer, Stephen Y. Chen
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Patent number: 5508343Abstract: An antistatic composition comprising an admixture of a water soluble polymer of a quaternary ammonium salt and a an amino or sulfonyl titanate or zirconate composition. The titanate or zirconate composition is present in the admixture in an amount sufficient to reduce the moisture sensitivity of the quaternary ammonium salt polymer while retaining its antistatic properties. The antistatic properties of the composition are greater than the additive antistatic properties of the polymer and the titanate or zirconate composition. An associated method and coated antistatic surface are also disclosed.Type: GrantFiled: August 31, 1994Date of Patent: April 16, 1996Assignee: Rexam Industries CorporationInventor: Leonard Holley
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Patent number: 5503698Abstract: A chemical solder is described that includes an organometallic complex or compound which thermally degrades within a predetermined temperature range to a metal and volatile compounds. The solder also includes a polymeric matrix that decomposes within the same temperature range to volatile fractions, thereby leaving only the metal. A method for bonding first and second bodies is disclosed wherein a chemical solder, as above-described, is disposed between the first and second bodies and heat is applied to elevate the solder to the predetermined temperature range to thermally degrade the organometallic compound and to decompose the polymeric matrix. The remaining metal bonds the first and second bodies.Type: GrantFiled: July 9, 1991Date of Patent: April 2, 1996Assignee: International Business Machines CorporationInventors: Martin J. Goldberg, Hiroshi Ito, Caroline A. Kovac, Michael J. Palmer, Roger A. Pollak, Paige A. Poore
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Patent number: 5498651Abstract: A method for polymerizing macrocyclic polyester oligomers comprising the step of contacting macrocyclic polyester oligomers and polymerization catalysts in the presence of epoxides and/or thioepoxides.Type: GrantFiled: June 19, 1995Date of Patent: March 12, 1996Assignee: General Electric CompanyInventor: Daniel J. Brunelle