From Reactant-containing Atom Other Than N, C, H, O, Or Halogen Patents (Class 524/610)
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Patent number: 5883200Abstract: A coating composition characterized in that it contains a compound obtained by reacting an amino resin with an organic polyphosphonic acid.Type: GrantFiled: August 22, 1996Date of Patent: March 16, 1999Assignee: Dai Nippon Toryo Co., Ltd.Inventors: Harufumi Tsuchiya, Hiroaki Omoto, Hiroyuki Mishima, Tsunehiko Toyoda
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Patent number: 5520922Abstract: There are provided formable compositions which comprise:(A) 25 to 80% by weight of a glass ionomer cement, containing (a) an aluminum fluorosilicate glass, (b) at least one polymeric polyacid with an average molecular weight >500, (c) water and (d) optionally a chelating agent;(B) and 20 to 75% by weight of a fluoride and/or oxide and/or mixed fluoride and/or mixed oxide of heavy metal elements which are essentially insoluble at ambient temperatures in an aqueous solution containing the polymeric polyacid and/or an aqueous solution containing the chelating agent.The compositions are especially well suited as filling materials for dental root canals.Type: GrantFiled: October 18, 1994Date of Patent: May 28, 1996Assignee: THERA Patent GmbH & Co. KG, Gesellschaft fur industrielle SchutzrechteInventors: Oswald Gasser, Rainer Guggenberger
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Patent number: 5423432Abstract: Provided are water-dissipatable, sulfo-containing polyesters and polyester-amides having copolymerized therein thermally stable near infrared flourophoric compounds. The polymers are useful in coating or ink compositions, which are in turn useful for marking articles for identification/authentication purposes. Also provided is a method for invisibly marking such articles and a method for detecting and sorting articles by utilizing the near infrared flourophoric ink or coating compositions.Type: GrantFiled: May 5, 1994Date of Patent: June 13, 1995Assignee: Eastman Chemical CompanyInventors: James J. Krutak, Michael R. Cushman, William W. Parham, Clarence A. Coates, Max A. Weaver, Gabor Patonay
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Patent number: 5422384Abstract: The present invention relates to new glass/polymer composites and methods for making them. More specifically, the invention is glass/polymer composites having phases that are at the molecular level and thereby practicably indistinguishable. The invention further discloses making molecular phase glass/polymer composites by mixing a glass and a polymer in a compatible solvent.Type: GrantFiled: November 25, 1992Date of Patent: June 6, 1995Assignee: Battelle Memorial InstituteInventors: W. D. Samuels, Gregory J. Exarhos
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Patent number: 5340896Abstract: Aluminum-nitrogen polymers comprising a backbone of alternating aluminum and nitrogen atoms both having pendant organic groups, wherein some of the pendant organic groups are unsaturated, are prepared by reacting an unsaturated organic nitrile with a dialkylaluminum hydride. The polymers are crosslinked by supplying energy to generate free radicals. The crosslinked polymers can be pyrolyzed to form an aluminum nitride ceramic.Type: GrantFiled: November 8, 1993Date of Patent: August 23, 1994Inventor: James A. Jensen
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Patent number: 5260397Abstract: Aluminum-nitrogen polymers comprising a backbone of alternating aluminum and nitrogen atoms both having pendant organic groups, wherein some of the pendant organic groups are unsaturated, are prepared by reacting an unsaturated organic nitrile with a dialkylaluminum hydride. The polymers are crosslinked by supplying energy to generate free radicals. The crosslinked polymers can be pyrolyzed to form an aluminum nitride ceramic.Type: GrantFiled: February 3, 1992Date of Patent: November 9, 1993Inventor: James A. Jensen
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Patent number: 5227454Abstract: Soluble and/or meltable benzothiazole-containing polyaryl ethers with a glass transition temperature of above 150.degree. C. and a melting point of up to 450.degree. C. are composed essentially of repeat units of the formula I ##STR1## whose rings may be substituted by C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.Type: GrantFiled: September 24, 1991Date of Patent: July 13, 1993Assignee: BASF AktiengesellschaftInventors: Peter Wolf, Gerhard Heinz
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Patent number: 5104602Abstract: Fibers formed of a blend of metal oxide, such as titanium or zirconium oxide, with etheric phosphazene are formed by preparing solutions of etheric phosphazene and inorganic alkoxides, such as titanium isopropoxide. The solutions are then formed into fibers and cured at room temperature or with moderate heating. Fibers produced can be extensible, tough, hard, flexible, or brittle. They are multicomponent blends of the titaninum or zirconium oxide and phosphazene. The composite may be doped with low lattice energy salts to form conductive fibers.Type: GrantFiled: December 15, 1989Date of Patent: April 14, 1992Assignee: Eastman Kodak CompanyInventors: Christine J. T. Landry, Wayne T. Ferrar, Bradley K. Coltrain
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Patent number: 5041512Abstract: An organoaluminum polymer formed from R.sub.3 A1 and dialkylaluminum amide that is useful for forming shaped articles of inorganic aluminum nitride alone or with nitrides (other than AlN), oxides, borides, carbides or combinations thereof; R being selected from hydrogen; C.sub.1 to C.sub.10 alkyl; halogen; and substituted or unsubstituted phenyl, naphthyl and biphenyl; no more than two of the R groups being alkyl.Type: GrantFiled: April 14, 1989Date of Patent: August 20, 1991Assignee: E. I. Du Pont de Nemours and CompanyInventor: Frederick N. Tebbe
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Patent number: 5010128Abstract: The invention provides a blend of metal oxide, such as silicon oxide, with etheric phosphazene. The invention optionally contains salt for antistatic coatings. The composition of the invention is formed by preparing solutions of etheric phosphazene and alkoxysilane, such as tetraethoxysilane. The solutions are then coated onto suitable substrates, or cast films and cured at room temperature or with moderate heating. The coatings and films produced are transparent, tough, hard, and flexible. They are multicomponent blends of the silicon oxide and phosphazene. It is also within the invention to form the blends with other metal oxides, rather than silicon, such as titanium, aluminum, or zirconium. The composite may be doped with low lattice energy salts to form antistatic composites.Type: GrantFiled: March 27, 1989Date of Patent: April 23, 1991Assignee: Eastman Kodak CompanyInventors: Bradley K. Coltrain, Wayne T. Ferrar, Christine J. Landry
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Patent number: 4968776Abstract: The sizing agent according to the present invention contains as the essential component a high molecular compound having an weight-average molecular weight of not less than 20,000 prepared by reacting(A) a polyhydroxy compound having an weight-average molecular weight of not less than 1,000, which is prepared by an addition polymerization of ethylene oxide or alkylene oxides comprising ethylene oxide to an organic compound having two active hydrogens, with(B) a polycarboxylic acid, a polycarboxylic acid anhydride or a lower ester of a polycarboxylic acid.Type: GrantFiled: October 24, 1989Date of Patent: November 6, 1990Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Takeshi Fujita, Tadayuki Sugimoto, Kazuyo Aketa
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Patent number: 4966937Abstract: A process for forming a low smoke, low flame spread composition comprising mixing polybenzimidazole fiber; an inorganic powder filler; and a non-fluorinated phosphazene polymer of the formula ##STR1## where x is an integer from about 20 to about 50,000, Q and Q' are the same or different and are C.sub.1 to C.sub.6 linear or branched alkoxy or substituted or unsubstituted aryloxy and Q" is a group having olefinic unsaturation; and a fluorinate phosphazene polymer of the formula ##STR2## where y is an integer from about 20 to about 50,000 Q.sub.f and Q'.sub.f are the same or different and are --OCH.sub.2 (CF.sub.2).sub.n CF.sub.3 or --OCH.sub.2 (CF.sub.2).sub.n CF.sub.2 H where n is the integer 1 to 20 and Q"' is a group having olefinic unsaturation.Type: GrantFiled: May 24, 1989Date of Patent: October 30, 1990Assignee: Ethyl CorporationInventor: Suae-Chen Chang
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Patent number: 4912191Abstract: Polyfluoroalkoxyphosphazenes cured through eugenoxy groups result in elastomer compositions having higher modulus, tensile strength and elongation retention and lower compression set compared to a similar polyfluoroalkoxyphosphazene cured through conventional ortho-allylphenoxy groups.Type: GrantFiled: November 14, 1988Date of Patent: March 27, 1990Inventor: W. Dirk Klobucar
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Patent number: 4711742Abstract: This invention relates to solutions comprising doped and undoped poly(substituted heterocycles) and an organic solvent which can be used to form conducting polymer articles, including films.Type: GrantFiled: January 12, 1987Date of Patent: December 8, 1987Assignee: Allied CorporationInventors: Kwan-Yue A. Jen, Ronald L. Elsenbaumer
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Patent number: 4696968Abstract: An organoaluminum polymer formed from R.sub.3 Al and R.sub.2 AlNH.sub.2 that is useful for forming shaped articles of inorganic aluminum nitride along or with other nitrides, oxides, carbides or combinations thereof; R being selected from C.sub.x H.sub.2x+1 wherein x is 1 to 10.Type: GrantFiled: September 4, 1986Date of Patent: September 29, 1987Assignee: E. I. Du Pont de Nemours and CompanyInventor: Frederick N. Tebbe
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Patent number: 4620944Abstract: Macromolecular material of ionic conduction constituted by a salt in solution in a polyether. The polyether is polycondensed and/or cross-linked and presents at least two chains connected to each other by a bridge that comprises a silicon, cadmium, boron or titanium atom connected to one of the chains by an oxygen atom.Application to producing electrodes and electrolytes for electrochemical accumulators.Type: GrantFiled: May 29, 1985Date of Patent: November 4, 1986Assignees: Societe Nationale Elf Aquitaine, Hydro-QuebecInventors: Michel Armand, Daniel Muller, Jean-Michel Chabagno
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Patent number: 4609724Abstract: Alkoxyphosphazene polymer is prepared in a homogeneous system by admixing chloropolymer dissolved in cyclohexane or a mix of cyclohexane and C.sub.5 -C.sub.7 alkane with alkali metal alkoxide dissolved in tetrahydrofuran, reacting, desalting the resulting reaction solution and concentrating by a first step involving admixing non-solvent which is cyclohexane (and/or C.sub.5 -C.sub.7 alkane if that is also present in the reaction solution) to cause coagulation thereby forming a higher viscosity rubber phase enriched in polymer and a lower viscosity liquid phase depleted in polymer and separating the rubber and liquid phases and a second step involving evaporating the residual solvent and non-solvent. The first concentrating step is preferably carried out utilizing an extruder.Type: GrantFiled: April 29, 1985Date of Patent: September 2, 1986Assignee: The Firestone Tire & Rubber CompanyInventors: Robert A. Elefritz, William M. Cole, Charles R. Johnson
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Patent number: 4567229Abstract: Polyphosphazenes containing 20-80 mole percent phenoxy, 20-80 mole percent alkylphenoxy and 2-30 mole percent alkoxy substituents possess low glass transition temperature while still exhibiting good smoke values in standard tests.Type: GrantFiled: December 18, 1984Date of Patent: January 28, 1986Assignee: Ethyl CorporationInventors: F. Alexander Pettigrew, Harold R. Penton
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Patent number: 4446268Abstract: Asymmetric carboxylic acid ester having a long chain alcohol component are effective mold release agents in thermoplastic resins, ester of the formula ##STR1## wherein R.sub.1 is alkyl of from one to about five carbon atoms, inclusive; and R.sub.2 is alkyl of from about ten to about thirty carbon atoms, inclusive or monoalkenyl of from about ten to about thirty carbon atoms, inclusive, with the provisos that unsaturation is not on the carbon attached to the oxygen and the ester is essentially non volatizable under processing conditions.Type: GrantFiled: July 26, 1982Date of Patent: May 1, 1984Assignee: General Electric CompanyInventor: Garland G. Lee
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Patent number: 4415719Abstract: Thermoplastic, branched aromatic polyphosphonates with average molecular weights (number average M.sub.n) of from 11,000 to more than 200,000, obtainable by transesterifying (a) from 97 to 100 moles of at least one diaryl phosphonate, and (b) from 0 to 3 moles of at least one triaryl phosphate--the sum of the moles of (a) and (b) being 100--with (c) from 90 to 99 moles of at least one aromatic dihydroxy compound, and (d) from 0 to 3 moles of at least one aromatic trihydroxy or tetradhydroxy compound--with the proviso that at least one of the components (b) and (d) is present in a quantity of at least 0.001 mole and that, where (b) and (d) are used, the maximum limit on the moles is 3.0.Type: GrantFiled: December 7, 1981Date of Patent: November 15, 1983Assignee: Bayer AktiengesellschaftInventors: Manfred Schmidt, Ludwig Bottenbruch, Dieter Freitag, Klaus Reinking, Harry Rohr, Hans-Dieter Block